dropbox: make across config server side Move/Copy/DirMove fallback to copy

If we are doing a cross remote transfer then attempting a Move/Copy/DirMove where we don't have permission gives `from_lookup/not_found` errors. This patch notices that error and only if we are doing a cross remote transfer it engages the fallback where the file is streamed. See: https://forum.rclone.org/t/dropbox-io-error-movedir-failed-from-lookup-not-found-when-try-to-move-copy-works/34088
2026-01-10 04:23:28 +00:00 · 2022-11-15 12:39:17 +00:00
746 changed files with 59649 additions and 113529 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+github: [ncw]
+patreon: njcw
+liberapay: ncw
+custom: ["https://rclone.org/donate/"]
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,6 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,31 +8,29 @@ name: build
 on:
  push:
    branches:
-      - '**'
+      - '*'
    tags:
-      - '**'
+      - '*'
  pull_request:
  workflow_dispatch:
    inputs:
      manual:
-        description: Manual run (bypass default conditions)
-        type: boolean
        required: true
        default: true

 jobs:
  build:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
-        job_name: ['linux', 'linux_386', 'mac_amd64', 'mac_arm64', 'windows', 'other_os', 'go1.19', 'go1.20']
+        job_name: ['linux', 'linux_386', 'mac_amd64', 'mac_arm64', 'windows', 'other_os', 'go1.17', 'go1.18']

        include:
          - job_name: linux
            os: ubuntu-latest
-            go: '1.21'
+            go: '1.19'
            gotags: cmount
            build_flags: '-include "^linux/"'
            check: true
@@ -43,14 +41,14 @@ jobs:

          - job_name: linux_386
            os: ubuntu-latest
-            go: '1.21'
+            go: '1.19'
            goarch: 386
            gotags: cmount
            quicktest: true

          - job_name: mac_amd64
            os: macos-11
-            go: '1.21'
+            go: '1.19'
            gotags: 'cmount'
            build_flags: '-include "^darwin/amd64" -cgo'
            quicktest: true
@@ -59,14 +57,14 @@ jobs:

          - job_name: mac_arm64
            os: macos-11
-            go: '1.21'
+            go: '1.19'
            gotags: 'cmount'
            build_flags: '-include "^darwin/arm64" -cgo -macos-arch arm64 -cgo-cflags=-I/usr/local/include -cgo-ldflags=-L/usr/local/lib'
            deploy: true

          - job_name: windows
            os: windows-latest
-            go: '1.21'
+            go: '1.19'
            gotags: cmount
            cgo: '0'
            build_flags: '-include "^windows/"'
@@ -76,20 +74,20 @@ jobs:

          - job_name: other_os
            os: ubuntu-latest
-            go: '1.21'
+            go: '1.19'
            build_flags: '-exclude "^(windows/|darwin/|linux/)"'
            compile_all: true
            deploy: true

-          - job_name: go1.19
+          - job_name: go1.17
            os: ubuntu-latest
-            go: '1.19'
+            go: '1.17'
            quicktest: true
            racequicktest: true

-          - job_name: go1.20
+          - job_name: go1.18
            os: ubuntu-latest
-            go: '1.20'
+            go: '1.18'
            quicktest: true
            racequicktest: true

@@ -99,12 +97,12 @@ jobs:

    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
          go-version: ${{ matrix.go }}
          check-latest: true
@@ -124,17 +122,12 @@ jobs:
          sudo modprobe fuse
          sudo chmod 666 /dev/fuse
          sudo chown root:$USER /etc/fuse.conf
-          sudo apt-get install fuse3 libfuse-dev rpm pkg-config
+          sudo apt-get install fuse libfuse-dev rpm pkg-config
        if: matrix.os == 'ubuntu-latest'

      - name: Install Libraries on macOS
        shell: bash
        run: |
-          # https://github.com/Homebrew/brew/issues/15621#issuecomment-1619266788
-          # https://github.com/orgs/Homebrew/discussions/4612#discussioncomment-6319008
-          unset HOMEBREW_NO_INSTALL_FROM_API
-          brew untap --force homebrew/core
-          brew untap --force homebrew/cask
          brew update
          brew install --cask macfuse
        if: matrix.os == 'macos-11'
@@ -222,17 +215,17 @@ jobs:
          RCLONE_CONFIG_PASS: ${{ secrets.RCLONE_CONFIG_PASS }}
        # working-directory: '$(modulePath)'
        # Deploy binaries if enabled in config && not a PR && not a fork
-        if: env.RCLONE_CONFIG_PASS != '' && matrix.deploy && github.head_ref == '' && github.repository == 'rclone/rclone'
+        if: matrix.deploy && github.head_ref == '' && github.repository == 'rclone/rclone'

  lint:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 30
    name: "lint"
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3

      - name: Code quality test
        uses: golangci/golangci-lint-action@v3
@@ -242,9 +235,9 @@ jobs:

      # Run govulncheck on the latest go version, the one we build binaries with
      - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
-          go-version: '1.21'
+          go-version: 1.19
          check-latest: true

      - name: Install govulncheck
@@ -254,22 +247,22 @@ jobs:
        run: govulncheck ./...

  android:
-    if: ${{ github.event.inputs.manual == 'true' || (github.repository == 'rclone/rclone' && (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name)) }}
+    if: ${{ github.repository == 'rclone/rclone' || github.event.inputs.manual }}
    timeout-minutes: 30
    name: "android-all"
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      # Upgrade together with NDK version
      - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
-          go-version: '1.21'
+          go-version: 1.19

      - name: Go module cache
        uses: actions/cache@v3
@@ -357,4 +350,4 @@ jobs:
        env:
          RCLONE_CONFIG_PASS: ${{ secrets.RCLONE_CONFIG_PASS }}
        # Upload artifacts if not a PR && not a fork
-        if: env.RCLONE_CONFIG_PASS != '' && github.head_ref == '' && github.repository == 'rclone/rclone'
+        if: github.head_ref == '' && github.repository == 'rclone/rclone'
--- a/.github/workflows/build_publish_beta_docker_image.yml
+++ b/.github/workflows/build_publish_beta_docker_image.yml
@@ -1,61 +0,0 @@
-name: Docker beta build
-
-on:
-    push:
-      branches:
-        - master
-jobs:
-    build:
-        if: github.repository == 'rclone/rclone'
-        runs-on: ubuntu-latest
-        name: Build image job
-        steps:
-            - name: Checkout master
-              uses: actions/checkout@v4
-              with:
-                fetch-depth: 0
-            - name: Login to Docker Hub
-              uses: docker/login-action@v3
-              with:
-                username: ${{ secrets.DOCKERHUB_USERNAME }}
-                password: ${{ secrets.DOCKERHUB_TOKEN }}
-            - name: Extract metadata (tags, labels) for Docker
-              id: meta
-              uses: docker/metadata-action@v5
-              with:
-                images: ghcr.io/${{ github.repository }}
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v3
-            - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v3
-            - name: Login to GitHub Container Registry
-              uses: docker/login-action@v3
-              with:
-                registry: ghcr.io
-                # This is the user that triggered the Workflow. In this case, it will
-                # either be the user whom created the Release or manually triggered
-                # the workflow_dispatch.
-                username: ${{ github.actor }}
-                # `secrets.GITHUB_TOKEN` is a secret that's automatically generated by
-                # GitHub Actions at the start of a workflow run to identify the job.
-                # This is used to authenticate against GitHub Container Registry.
-                # See https://docs.github.com/en/actions/security-guides/automatic-token-authentication#about-the-github_token-secret
-                # for more detailed information.
-                password: ${{ secrets.GITHUB_TOKEN }}
-
-            - name: Build and publish image
-              uses: docker/build-push-action@v5
-              with:
-                file: Dockerfile
-                context: .
-                push: true # push the image to ghcr
-                tags: |
-                  ghcr.io/rclone/rclone:beta
-                  rclone/rclone:beta
-                labels: ${{ steps.meta.outputs.labels }}
-                platforms: linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6
-                cache-from: type=gha
-                cache-to: type=gha,mode=max
-                provenance: false
-              # Eventually cache will need to be cleared if builds more frequent than once a week
-              # https://github.com/docker/build-push-action/issues/252
--- a/.github/workflows/build_publish_docker_image.yml
+++ b/.github/workflows/build_publish_docker_image.yml
@@ -0,0 +1,26 @@
+name: Docker beta build
+
+on:
+    push:
+      branches:
+        - master
+
+jobs:
+    build:
+        if: github.repository == 'rclone/rclone'
+        runs-on: ubuntu-latest
+        name: Build image job
+        steps:
+            - name: Checkout master
+              uses: actions/checkout@v3
+              with:
+                fetch-depth: 0
+            - name: Build and publish image
+              uses: ilteoood/docker_buildx@1.1.0
+              with:
+                tag: beta
+                imageName: rclone/rclone
+                platform: linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/arm/v6
+                publish: true
+                dockerHubUser: ${{ secrets.DOCKER_HUB_USER }}
+                dockerHubPassword: ${{ secrets.DOCKER_HUB_PASSWORD }}
--- a/.github/workflows/build_publish_release_docker_image.yml
+++ b/.github/workflows/build_publish_release_docker_image.yml
@@ -11,7 +11,7 @@ jobs:
        name: Build image job
        steps:
            - name: Checkout master
-              uses: actions/checkout@v4
+              uses: actions/checkout@v3
              with:
                fetch-depth: 0
            - name: Get actual patch version
@@ -40,7 +40,7 @@ jobs:
        name: Build docker plugin job
        steps:
            - name: Checkout master
-              uses: actions/checkout@v4
+              uses: actions/checkout@v3
              with:
                fetch-depth: 0
            - name: Build and publish docker plugin
--- a/.github/workflows/winget.yml
+++ b/.github/workflows/winget.yml
@@ -1,14 +0,0 @@
-name: Publish to Winget
-on:
-  release:
-    types: [released]
-
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: vedantmgoyal2009/winget-releaser@v2
-        with:
-          identifier: Rclone.Rclone
-          installers-regex: '-windows-\w+\.zip$'
-          token: ${{ secrets.WINGET_TOKEN }}
--- a/.gitignore
+++ b/.gitignore
@@ -8,10 +8,10 @@ rclone.iml
 .idea
 .history
 *.test
+*.log
 *.iml
 fuzz-build.zip
 *.orig
 *.rej
 Thumbs.db
 __pycache__
-.DS_Store
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -2,17 +2,15 @@

 linters:
  enable:
+    - deadcode
    - errcheck
    - goimports
    - revive
    - ineffassign
+    - structcheck
+    - varcheck
    - govet
    - unconvert
-    - staticcheck
-    - gosimple
-    - stylecheck
-    - unused
-    - misspell
    #- prealloc
    #- maligned
  disable-all: true
@@ -27,74 +25,6 @@ issues:
  # Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
  max-same-issues: 0

-  exclude-rules:
-
-    - linters:
-      - staticcheck
-      text: 'SA1019: "github.com/rclone/rclone/cmd/serve/httplib" is deprecated'
-
-  # don't disable the revive messages about comments on exported functions
-  include:
-    - EXC0012
-    - EXC0013
-    - EXC0014
-    - EXC0015
-
 run:
  # timeout for analysis, e.g. 30s, 5m, default is 1m
  timeout: 10m
-
-linters-settings:
-  revive:
-    # setting rules seems to disable all the rules, so re-enable them here
-    rules:
-      - name: blank-imports
-        disabled: false
-      - name: context-as-argument
-        disabled: false
-      - name: context-keys-type
-        disabled: false
-      - name: dot-imports
-        disabled: false
-      - name: empty-block
-        disabled: true
-      - name: error-naming
-        disabled: false
-      - name: error-return
-        disabled: false
-      - name: error-strings
-        disabled: false
-      - name: errorf
-        disabled: false
-      - name: exported
-        disabled: false
-      - name: increment-decrement
-        disabled: true
-      - name: indent-error-flow
-        disabled: false
-      - name: package-comments
-        disabled: false
-      - name: range
-        disabled: false
-      - name: receiver-naming
-        disabled: false
-      - name: redefines-builtin-id
-        disabled: true
-      - name: superfluous-else
-        disabled: true
-      - name: time-naming
-        disabled: false
-      - name: unexported-return
-        disabled: false
-      - name: unreachable-code
-        disabled: true
-      - name: unused-parameter
-        disabled: true
-      - name: var-declaration
-        disabled: false
-      - name: var-naming
-        disabled: false
-  stylecheck:
-    # Only enable the checks performed by the staticcheck stand-alone tool,
-    # as documented here: https://staticcheck.io/docs/configuration/options/#checks
-    checks: ["all", "-ST1000", "-ST1003", "-ST1016", "-ST1020", "-ST1021", "-ST1022", "-ST1023"]
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -419,7 +419,7 @@ remote or an fs.

 Research

-  * Look at the interfaces defined in `fs/types.go`
+  * Look at the interfaces defined in `fs/fs.go`
  * Study one or more of the existing remotes

 Getting going
@@ -428,19 +428,14 @@ Getting going
    * box is a good one to start from if you have a directory-based remote
    * b2 is a good one to start from if you have a bucket-based remote
  * Add your remote to the imports in `backend/all/all.go`
-  * HTTP based remotes are easiest to maintain if they use rclone's [lib/rest](https://pkg.go.dev/github.com/rclone/rclone/lib/rest) module, but if there is a really good go SDK then use that instead.
+  * HTTP based remotes are easiest to maintain if they use rclone's rest module, but if there is a really good go SDK then use that instead.
  * Try to implement as many optional methods as possible as it makes the remote more usable.
-  * Use [lib/encoder](https://pkg.go.dev/github.com/rclone/rclone/lib/encoder) to make sure we can encode any path name and `rclone info` to help determine the encodings needed
+  * Use lib/encoder to make sure we can encode any path name and `rclone info` to help determine the encodings needed
    * `rclone purge -v TestRemote:rclone-info`
    * `rclone test info --all --remote-encoding None -vv --write-json remote.json TestRemote:rclone-info`
    * `go run cmd/test/info/internal/build_csv/main.go -o remote.csv remote.json`
    * open `remote.csv` in a spreadsheet and examine

-Important:
-
-  * Please use [lib/rest](https://pkg.go.dev/github.com/rclone/rclone/lib/rest) if you are implementing a REST like backend and parsing XML/JSON in the backend. It makes maintenance much easier.
-  * If your backend is HTTP based then please use rclone's Client or Transport from [fs/fshttp](https://pkg.go.dev/github.com/rclone/rclone/fs/fshttp) - this adds features like `--dump bodies`, `--tpslimit`, `--user-agent` without you having to code anything!
-
 Unit tests

  * Create a config entry called `TestRemote` for the unit tests to use
@@ -474,7 +469,7 @@ alphabetical order of full name of remote (e.g. `drive` is ordered as
  * `README.md` - main GitHub page
  * `docs/content/remote.md` - main docs page (note the backend options are automatically added to this file with `make backenddocs`)
    * make sure this has the `autogenerated options` comments in (see your reference backend docs)
-    * update them in your backend with `bin/make_backend_docs.py remote`
+    * update them with `make backenddocs` - revert any changes in other backends
  * `docs/content/overview.md` - overview docs
  * `docs/content/docs.md` - list of remotes in config section
  * `docs/content/_index.md` - front page of rclone.org
@@ -484,46 +479,6 @@ alphabetical order of full name of remote (e.g. `drive` is ordered as
 Once you've written the docs, run `make serve` and check they look OK
 in the web browser and the links (internal and external) all work.

-## Adding a new s3 provider
-
-It is quite easy to add a new S3 provider to rclone.
-
-You'll need to modify the following files
-
- `backend/s3/s3.go`
-    - Add the provider to `providerOption` at the top of the file
-    - Add endpoints and other config for your provider gated on the provider in `fs.RegInfo`.
-    - Exclude your provider from genric config questions (eg `region` and `endpoint).
-    - Add the provider to the `setQuirks` function - see the documentation there.
- `docs/content/s3.md`
-    - Add the provider at the top of the page.
-    - Add a section about the provider linked from there.
-    - Add a transcript of a trial `rclone config` session
-        - Edit the transcript to remove things which might change in subsequent versions
-    - **Do not** alter or add to the autogenerated parts of `s3.md`
-    - **Do not** run `make backenddocs` or `bin/make_backend_docs.py s3`
- `README.md` - this is the home page in github
-    - Add the provider and a link to the section you wrote in `docs/contents/s3.md`
- `docs/content/_index.md` - this is the home page of rclone.org
-    - Add the provider and a link to the section you wrote in `docs/contents/s3.md`
-
-When adding the provider, endpoints, quirks, docs etc keep them in
-alphabetical order by `Provider` name, but with `AWS` first and
-`Other` last.
-
-Once you've written the docs, run `make serve` and check they look OK
-in the web browser and the links (internal and external) all work.
-
-Once you've written the code, test `rclone config` works to your
-satisfaction, and check the integration tests work `go test -v -remote
-NewS3Provider:`. You may need to adjust the quirks to get them to
-pass. Some providers just can't pass the tests with control characters
-in the names so if these fail and the provider doesn't support
-`urlEncodeListings` in the quirks then ignore them. Note that the
-`SetTier` test may also fail on non AWS providers.
-
-For an example of adding an s3 provider see [eb3082a1](https://github.com/rclone/rclone/commit/eb3082a1ebdb76d5625f14cedec3f5154a5e7b10).
-
 ## Writing a plugin ##

 New features (backends, commands) can also be added "out-of-tree", through Go plugins.
--- a/2
+++ b/2
@@ -11,7 +11,7 @@ RUN ./rclone version
 # Begin final image
 FROM alpine:latest

-RUN apk --no-cache add ca-certificates fuse3 tzdata && \
+RUN apk --no-cache add ca-certificates fuse tzdata && \
  echo "user_allow_other" >> /etc/fuse.conf

 COPY --from=builder /go/src/github.com/rclone/rclone/rclone /usr/local/bin/
--- a/MAINTAINERS.md
+++ b/MAINTAINERS.md
@@ -16,11 +16,6 @@ Current active maintainers of rclone are:
 | Max Sum          | @Max-Sum          | union backend                |
 | Fred             | @creativeprojects | seafile backend              |
 | Caleb Case       | @calebcase        | storj backend                |
-| wiserain         | @wiserain         | pikpak backend               |
-| albertony        | @albertony        |                              |
-| Chun-Hung Tseng  | @henrybear327     | Proton Drive Backend         |
-| Hideo Aoyama     | @boukendesho      | snap packaging               |
-| nielash          | @nielash          | bisync                       |

 **This is a work in progress Draft**

--- a/MANUAL.html
+++ b/MANUAL.html
--- a/MANUAL.md
+++ b/MANUAL.md
--- a/MANUAL.txt
+++ b/MANUAL.txt
--- a/9
+++ b/9
@@ -66,10 +66,6 @@ btest:
 	@echo "[$(TAG)]($(BETA_URL)) on branch [$(BRANCH)](https://github.com/rclone/rclone/tree/$(BRANCH)) (uploaded in 15-30 mins)" | xclip -r -sel clip
 	@echo "Copied markdown of beta release to clip board"

-btesth:
-	@echo "<a href="$(BETA_URL)">$(TAG)</a> on branch <a href="https://github.com/rclone/rclone/tree/$(BRANCH)">$(BRANCH)</a> (uploaded in 15-30 mins)" | xclip -r -sel clip -t text/html
-	@echo "Copied beta release in HTML to clip board"
-
 version:
 	@echo '$(TAG)'

@@ -85,9 +81,6 @@ quicktest:
 racequicktest:
 	RCLONE_CONFIG="/notfound" go test $(BUILDTAGS) -cpu=2 -race ./...

-compiletest:
-	RCLONE_CONFIG="/notfound" go test $(BUILDTAGS) -run XXX ./...
-
 # Do source code quality checks
 check:	rclone
 	@echo "-- START CODE QUALITY REPORT -------------------------------"
@@ -100,7 +93,7 @@ build_dep:

 # Get the release dependencies we only install on linux
 release_dep_linux:
-	go install github.com/goreleaser/nfpm/v2/cmd/nfpm@latest
+	go run bin/get-github-release.go -extract nfpm goreleaser/nfpm 'nfpm_.*_Linux_x86_64\.tar\.gz'

 # Get the release dependencies we only install on Windows
 release_dep_windows:
--- a/README.md
+++ b/README.md
@@ -25,19 +25,18 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * Alibaba Cloud (Aliyun) Object Storage System (OSS) [:page_facing_up:](https://rclone.org/s3/#alibaba-oss)
  * Amazon Drive [:page_facing_up:](https://rclone.org/amazonclouddrive/) ([See note](https://rclone.org/amazonclouddrive/#status))
  * Amazon S3 [:page_facing_up:](https://rclone.org/s3/)
-  * ArvanCloud Object Storage (AOS) [:page_facing_up:](https://rclone.org/s3/#arvan-cloud-object-storage-aos)
  * Backblaze B2 [:page_facing_up:](https://rclone.org/b2/)
  * Box [:page_facing_up:](https://rclone.org/box/)
  * Ceph [:page_facing_up:](https://rclone.org/s3/#ceph)
  * China Mobile Ecloud Elastic Object Storage (EOS) [:page_facing_up:](https://rclone.org/s3/#china-mobile-ecloud-eos)
  * Cloudflare R2 [:page_facing_up:](https://rclone.org/s3/#cloudflare-r2)
+  * Arvan Cloud Object Storage (AOS) [:page_facing_up:](https://rclone.org/s3/#arvan-cloud-object-storage-aos)
  * Citrix ShareFile [:page_facing_up:](https://rclone.org/sharefile/)
  * DigitalOcean Spaces [:page_facing_up:](https://rclone.org/s3/#digitalocean-spaces)
  * Digi Storage [:page_facing_up:](https://rclone.org/koofr/#digi-storage)
  * Dreamhost [:page_facing_up:](https://rclone.org/s3/#dreamhost)
  * Dropbox [:page_facing_up:](https://rclone.org/dropbox/)
  * Enterprise File Fabric [:page_facing_up:](https://rclone.org/filefabric/)
-  * Fastmail Files [:page_facing_up:](https://rclone.org/webdav/#fastmail-files)
  * FTP [:page_facing_up:](https://rclone.org/ftp/)
  * Google Cloud Storage [:page_facing_up:](https://rclone.org/googlecloudstorage/)
  * Google Drive [:page_facing_up:](https://rclone.org/drive/)
@@ -51,9 +50,6 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * IBM COS S3 [:page_facing_up:](https://rclone.org/s3/#ibm-cos-s3)
  * IONOS Cloud [:page_facing_up:](https://rclone.org/s3/#ionos)
  * Koofr [:page_facing_up:](https://rclone.org/koofr/)
-  * Leviia Object Storage [:page_facing_up:](https://rclone.org/s3/#leviia)
-  * Liara Object Storage [:page_facing_up:](https://rclone.org/s3/#liara-object-storage)
-  * Linode Object Storage [:page_facing_up:](https://rclone.org/s3/#linode)
  * Mail.ru Cloud [:page_facing_up:](https://rclone.org/mailru/)
  * Memset Memstore [:page_facing_up:](https://rclone.org/swift/)
  * Mega [:page_facing_up:](https://rclone.org/mega/)
@@ -63,21 +59,16 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * Minio [:page_facing_up:](https://rclone.org/s3/#minio)
  * Nextcloud [:page_facing_up:](https://rclone.org/webdav/#nextcloud)
  * OVH [:page_facing_up:](https://rclone.org/swift/)
-  * Blomp Cloud Storage [:page_facing_up:](https://rclone.org/swift/)
  * OpenDrive [:page_facing_up:](https://rclone.org/opendrive/)
  * OpenStack Swift [:page_facing_up:](https://rclone.org/swift/)
  * Oracle Cloud Storage [:page_facing_up:](https://rclone.org/swift/)
  * Oracle Object Storage [:page_facing_up:](https://rclone.org/oracleobjectstorage/)
  * ownCloud [:page_facing_up:](https://rclone.org/webdav/#owncloud)
  * pCloud [:page_facing_up:](https://rclone.org/pcloud/)
-  * Petabox [:page_facing_up:](https://rclone.org/s3/#petabox)
-  * PikPak [:page_facing_up:](https://rclone.org/pikpak/)
  * premiumize.me [:page_facing_up:](https://rclone.org/premiumizeme/)
  * put.io [:page_facing_up:](https://rclone.org/putio/)
-  * Proton Drive [:page_facing_up:](https://rclone.org/protondrive/)
  * QingStor [:page_facing_up:](https://rclone.org/qingstor/)
  * Qiniu Cloud Object Storage (Kodo) [:page_facing_up:](https://rclone.org/s3/#qiniu)
-  * Quatrix [:page_facing_up:](https://rclone.org/quatrix/)
  * Rackspace Cloud Files [:page_facing_up:](https://rclone.org/swift/)
  * RackCorp Object Storage [:page_facing_up:](https://rclone.org/s3/#RackCorp)
  * Scaleway [:page_facing_up:](https://rclone.org/s3/#scaleway)
@@ -88,7 +79,6 @@ Rclone *("rsync for cloud storage")* is a command-line program to sync files and
  * StackPath [:page_facing_up:](https://rclone.org/s3/#stackpath)
  * Storj [:page_facing_up:](https://rclone.org/storj/)
  * SugarSync [:page_facing_up:](https://rclone.org/sugarsync/)
-  * Synology C2 Object Storage [:page_facing_up:](https://rclone.org/s3/#synology-c2)
  * Tencent Cloud Object Storage (COS) [:page_facing_up:](https://rclone.org/s3/#tencent-cos)
  * Wasabi [:page_facing_up:](https://rclone.org/s3/#wasabi)
  * WebDAV [:page_facing_up:](https://rclone.org/webdav/)
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -10,7 +10,7 @@ This file describes how to make the various kinds of releases
 ## Making a release

  * git checkout master # see below for stable branch
-  * git pull # IMPORTANT
+  * git pull
  * git status - make sure everything is checked in
  * Check GitHub actions build for master is Green
  * make test # see integration test server or run locally
@@ -21,7 +21,6 @@ This file describes how to make the various kinds of releases
  * git status - to check for new man pages - git add them
  * git commit -a -v -m "Version v1.XX.0"
  * make retag
-  * git push origin # without --follow-tags so it doesn't push the tag if it fails
  * git push --follow-tags origin
  * # Wait for the GitHub builds to complete then...
  * make fetch_binaries
@@ -75,7 +74,8 @@ Set vars
 First make the release branch.  If this is a second point release then
 this will be done already.

-  * git co -b ${BASE_TAG}-stable ${BASE_TAG}.0
+  * git branch ${BASE_TAG} ${BASE_TAG}-stable
+  * git co ${BASE_TAG}-stable
  * make startstable

 Now
@@ -90,28 +90,6 @@ Now
  * git commit -a -v -m "Changelog updates from Version ${NEW_TAG}"
  * git push

-## Update the website between releases
-
-Create an update website branch based off the last release
-
-    git co -b update-website
-
-If the branch already exists, double check there are no commits that need saving.
-
-Now reset the branch to the last release
-
-    git reset --hard v1.64.0
-
-Create the changes, check them in, test with `make serve` then
-
-    make upload_test_website
-
-Check out https://test.rclone.org and when happy
-
-    make upload_website
-
-Cherry pick any changes back to master and the stable branch if it is active.
-
 ## Making a manual build of docker

 The rclone docker image should autobuild on via GitHub actions.  If it doesn't
--- a/2
+++ b/2
@@ -1 +1 @@
-v1.65.0
+v1.61.0
--- a/backend/all/all.go
+++ b/backend/all/all.go
@@ -36,12 +36,9 @@ import (
 	_ "github.com/rclone/rclone/backend/opendrive"
 	_ "github.com/rclone/rclone/backend/oracleobjectstorage"
 	_ "github.com/rclone/rclone/backend/pcloud"
-	_ "github.com/rclone/rclone/backend/pikpak"
 	_ "github.com/rclone/rclone/backend/premiumizeme"
-	_ "github.com/rclone/rclone/backend/protondrive"
 	_ "github.com/rclone/rclone/backend/putio"
 	_ "github.com/rclone/rclone/backend/qingstor"
-	_ "github.com/rclone/rclone/backend/quatrix"
 	_ "github.com/rclone/rclone/backend/s3"
 	_ "github.com/rclone/rclone/backend/seafile"
 	_ "github.com/rclone/rclone/backend/sftp"
--- a/backend/azureblob/azureblob.go
+++ b/backend/azureblob/azureblob.go
--- a/backend/azureblob/azureblob_internal_test.go
+++ b/backend/azureblob/azureblob_internal_test.go
@@ -20,18 +20,17 @@ func (f *Fs) InternalTest(t *testing.T) {

 func TestIncrement(t *testing.T) {
 	for _, test := range []struct {
-		in   [8]byte
-		want [8]byte
+		in   []byte
+		want []byte
 	}{
-		{[8]byte{0, 0, 0, 0}, [8]byte{1, 0, 0, 0}},
-		{[8]byte{0xFE, 0, 0, 0}, [8]byte{0xFF, 0, 0, 0}},
-		{[8]byte{0xFF, 0, 0, 0}, [8]byte{0, 1, 0, 0}},
-		{[8]byte{0, 1, 0, 0}, [8]byte{1, 1, 0, 0}},
-		{[8]byte{0xFF, 0xFF, 0xFF, 0xFE}, [8]byte{0, 0, 0, 0xFF}},
-		{[8]byte{0xFF, 0xFF, 0xFF, 0xFF}, [8]byte{0, 0, 0, 0, 1}},
-		{[8]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, [8]byte{0, 0, 0, 0, 0, 0, 0}},
+		{[]byte{0, 0, 0, 0}, []byte{1, 0, 0, 0}},
+		{[]byte{0xFE, 0, 0, 0}, []byte{0xFF, 0, 0, 0}},
+		{[]byte{0xFF, 0, 0, 0}, []byte{0, 1, 0, 0}},
+		{[]byte{0, 1, 0, 0}, []byte{1, 1, 0, 0}},
+		{[]byte{0xFF, 0xFF, 0xFF, 0xFE}, []byte{0, 0, 0, 0xFF}},
+		{[]byte{0xFF, 0xFF, 0xFF, 0xFF}, []byte{0, 0, 0, 0}},
 	} {
-		increment(&test.in)
+		increment(test.in)
 		assert.Equal(t, test.want, test.in)
 	}
 }
--- a/backend/azureblob/azureblob_test.go
+++ b/backend/azureblob/azureblob_test.go
@@ -6,10 +6,10 @@
 package azureblob

 import (
+	"context"
 	"testing"

 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
 	"github.com/stretchr/testify/assert"
 )
@@ -17,31 +17,10 @@ import (
 // TestIntegration runs integration tests against the remote
 func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
-		RemoteName:  "TestAzureBlob:",
-		NilObject:   (*Object)(nil),
-		TiersToTest: []string{"Hot", "Cool"},
-		ChunkedUpload: fstests.ChunkedUploadConfig{
-			MinChunkSize: defaultChunkSize,
-		},
-	})
-}
-
-// TestIntegration2 runs integration tests against the remote
-func TestIntegration2(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("Skipping as -remote set")
-	}
-	name := "TestAzureBlob"
-	fstests.Run(t, &fstests.Opt{
-		RemoteName:  name + ":",
-		NilObject:   (*Object)(nil),
-		TiersToTest: []string{"Hot", "Cool"},
-		ChunkedUpload: fstests.ChunkedUploadConfig{
-			MinChunkSize: defaultChunkSize,
-		},
-		ExtraConfig: []fstests.ExtraConfigItem{
-			{Name: name, Key: "directory_markers", Value: "true"},
-		},
+		RemoteName:    "TestAzureBlob:",
+		NilObject:     (*Object)(nil),
+		TiersToTest:   []string{"Hot", "Cool"},
+		ChunkedUpload: fstests.ChunkedUploadConfig{},
 	})
 }

@@ -53,6 +32,36 @@ var (
 	_ fstests.SetUploadChunkSizer = (*Fs)(nil)
 )

+// TestServicePrincipalFileSuccess checks that, given a proper JSON file, we can create a token.
+func TestServicePrincipalFileSuccess(t *testing.T) {
+	ctx := context.TODO()
+	credentials := `
+{
+    "appId": "my application (client) ID",
+    "password": "my secret",
+    "tenant": "my active directory tenant ID"
+}
+`
+	tokenRefresher, err := newServicePrincipalTokenRefresher(ctx, []byte(credentials))
+	if assert.NoError(t, err) {
+		assert.NotNil(t, tokenRefresher)
+	}
+}
+
+// TestServicePrincipalFileFailure checks that, given a JSON file with a missing secret, it returns an error.
+func TestServicePrincipalFileFailure(t *testing.T) {
+	ctx := context.TODO()
+	credentials := `
+{
+    "appId": "my application (client) ID",
+    "tenant": "my active directory tenant ID"
+}
+`
+	_, err := newServicePrincipalTokenRefresher(ctx, []byte(credentials))
+	assert.Error(t, err)
+	assert.EqualError(t, err, "error creating service principal token: parameter 'secret' cannot be empty")
+}
+
 func TestValidateAccessTier(t *testing.T) {
 	tests := map[string]struct {
 		accessTier string
--- a/backend/azureblob/imds.go
+++ b/backend/azureblob/imds.go
@@ -0,0 +1,136 @@
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js
+
+package azureblob
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/Azure/go-autorest/autorest/adal"
+	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/fshttp"
+)
+
+const (
+	azureResource      = "https://storage.azure.com"
+	imdsAPIVersion     = "2018-02-01"
+	msiEndpointDefault = "http://169.254.169.254/metadata/identity/oauth2/token"
+)
+
+// This custom type is used to add the port the test server has bound to
+// to the request context.
+type testPortKey string
+
+type msiIdentifierType int
+
+const (
+	msiClientID msiIdentifierType = iota
+	msiObjectID
+	msiResourceID
+)
+
+type userMSI struct {
+	Type  msiIdentifierType
+	Value string
+}
+
+type httpError struct {
+	Response *http.Response
+}
+
+func (e httpError) Error() string {
+	return fmt.Sprintf("HTTP error %v (%v)", e.Response.StatusCode, e.Response.Status)
+}
+
+// GetMSIToken attempts to obtain an MSI token from the Azure Instance
+// Metadata Service.
+func GetMSIToken(ctx context.Context, identity *userMSI) (adal.Token, error) {
+	// Attempt to get an MSI token; silently continue if unsuccessful.
+	// This code has been lovingly stolen from azcopy's OAuthTokenManager.
+	result := adal.Token{}
+	req, err := http.NewRequestWithContext(ctx, "GET", msiEndpointDefault, nil)
+	if err != nil {
+		fs.Debugf(nil, "Failed to create request: %v", err)
+		return result, err
+	}
+	params := req.URL.Query()
+	params.Set("resource", azureResource)
+	params.Set("api-version", imdsAPIVersion)
+
+	// Specify user-assigned identity if requested.
+	if identity != nil {
+		switch identity.Type {
+		case msiClientID:
+			params.Set("client_id", identity.Value)
+		case msiObjectID:
+			params.Set("object_id", identity.Value)
+		case msiResourceID:
+			params.Set("mi_res_id", identity.Value)
+		default:
+			// If this happens, the calling function and this one don't agree on
+			// what valid ID types exist.
+			return result, fmt.Errorf("unknown MSI identity type specified")
+		}
+	}
+	req.URL.RawQuery = params.Encode()
+
+	// The Metadata header is required by all calls to IMDS.
+	req.Header.Set("Metadata", "true")
+
+	// If this function is run in a test, query the test server instead of IMDS.
+	testPort, isTest := ctx.Value(testPortKey("testPort")).(int)
+	if isTest {
+		req.URL.Host = fmt.Sprintf("localhost:%d", testPort)
+		req.Host = req.URL.Host
+	}
+
+	// Send request
+	httpClient := fshttp.NewClient(ctx)
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return result, fmt.Errorf("MSI is not enabled on this VM: %w", err)
+	}
+	defer func() { // resp and Body should not be nil
+		_, err = io.Copy(io.Discard, resp.Body)
+		if err != nil {
+			fs.Debugf(nil, "Unable to drain IMDS response: %v", err)
+		}
+		err = resp.Body.Close()
+		if err != nil {
+			fs.Debugf(nil, "Unable to close IMDS response: %v", err)
+		}
+	}()
+	// Check if the status code indicates success
+	// The request returns 200 currently, add 201 and 202 as well for possible extension.
+	switch resp.StatusCode {
+	case 200, 201, 202:
+		break
+	default:
+		body, _ := io.ReadAll(resp.Body)
+		fs.Errorf(nil, "Couldn't obtain OAuth token from IMDS; server returned status code %d and body: %v", resp.StatusCode, string(body))
+		return result, httpError{Response: resp}
+	}
+
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return result, fmt.Errorf("couldn't read IMDS response: %w", err)
+	}
+	// Remove BOM, if any. azcopy does this so I'm following along.
+	b = bytes.TrimPrefix(b, []byte("\xef\xbb\xbf"))
+
+	// This would be a good place to persist the token if a large number of rclone
+	// invocations are being made in a short amount of time. If the token is
+	// persisted, the azureblob code will need to check for expiry before every
+	// storage API call.
+	err = json.Unmarshal(b, &result)
+	if err != nil {
+		return result, fmt.Errorf("couldn't unmarshal IMDS response: %w", err)
+	}
+
+	return result, nil
+}
--- a/backend/azureblob/imds_test.go
+++ b/backend/azureblob/imds_test.go
@@ -0,0 +1,118 @@
+//go:build !plan9 && !solaris && !js
+// +build !plan9,!solaris,!js
+
+package azureblob
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/Azure/go-autorest/autorest/adal"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func handler(t *testing.T, actual *map[string]string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		err := r.ParseForm()
+		require.NoError(t, err)
+		parameters := r.URL.Query()
+		(*actual)["path"] = r.URL.Path
+		(*actual)["Metadata"] = r.Header.Get("Metadata")
+		(*actual)["method"] = r.Method
+		for paramName := range parameters {
+			(*actual)[paramName] = parameters.Get(paramName)
+		}
+		// Make response.
+		response := adal.Token{}
+		responseBytes, err := json.Marshal(response)
+		require.NoError(t, err)
+		_, err = w.Write(responseBytes)
+		require.NoError(t, err)
+	}
+}
+
+func TestManagedIdentity(t *testing.T) {
+	// test user-assigned identity specifiers to use
+	testMSIClientID := "d859b29f-5c9c-42f8-a327-ec1bc6408d79"
+	testMSIObjectID := "9ffeb650-3ca0-4278-962b-5a38d520591a"
+	testMSIResourceID := "/subscriptions/fe714c49-b8a4-4d49-9388-96a20daa318f/resourceGroups/somerg/providers/Microsoft.ManagedIdentity/userAssignedIdentities/someidentity"
+	tests := []struct {
+		identity              *userMSI
+		identityParameterName string
+		expectedAbsent        []string
+	}{
+		{&userMSI{msiClientID, testMSIClientID}, "client_id", []string{"object_id", "mi_res_id"}},
+		{&userMSI{msiObjectID, testMSIObjectID}, "object_id", []string{"client_id", "mi_res_id"}},
+		{&userMSI{msiResourceID, testMSIResourceID}, "mi_res_id", []string{"object_id", "client_id"}},
+		{nil, "(default)", []string{"object_id", "client_id", "mi_res_id"}},
+	}
+	alwaysExpected := map[string]string{
+		"path":        "/metadata/identity/oauth2/token",
+		"resource":    "https://storage.azure.com",
+		"Metadata":    "true",
+		"api-version": "2018-02-01",
+		"method":      "GET",
+	}
+	for _, test := range tests {
+		actual := make(map[string]string, 10)
+		testServer := httptest.NewServer(handler(t, &actual))
+		defer testServer.Close()
+		testServerPort, err := strconv.Atoi(strings.Split(testServer.URL, ":")[2])
+		require.NoError(t, err)
+		ctx := context.WithValue(context.TODO(), testPortKey("testPort"), testServerPort)
+		_, err = GetMSIToken(ctx, test.identity)
+		require.NoError(t, err)
+
+		// Validate expected query parameters present
+		expected := make(map[string]string)
+		for k, v := range alwaysExpected {
+			expected[k] = v
+		}
+		if test.identity != nil {
+			expected[test.identityParameterName] = test.identity.Value
+		}
+
+		for key := range expected {
+			value, exists := actual[key]
+			if assert.Truef(t, exists, "test of %s: query parameter %s was not passed",
+				test.identityParameterName, key) {
+				assert.Equalf(t, expected[key], value,
+					"test of %s: parameter %s has incorrect value", test.identityParameterName, key)
+			}
+		}
+
+		// Validate unexpected query parameters absent
+		for _, key := range test.expectedAbsent {
+			_, exists := actual[key]
+			assert.Falsef(t, exists, "query parameter %s was unexpectedly passed")
+		}
+	}
+}
+
+func errorHandler(resultCode int) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		http.Error(w, "Test error generated", resultCode)
+	}
+}
+
+func TestIMDSErrors(t *testing.T) {
+	errorCodes := []int{404, 429, 500}
+	for _, code := range errorCodes {
+		testServer := httptest.NewServer(errorHandler(code))
+		defer testServer.Close()
+		testServerPort, err := strconv.Atoi(strings.Split(testServer.URL, ":")[2])
+		require.NoError(t, err)
+		ctx := context.WithValue(context.TODO(), testPortKey("testPort"), testServerPort)
+		_, err = GetMSIToken(ctx, nil)
+		require.Error(t, err)
+		httpErr, ok := err.(httpError)
+		require.Truef(t, ok, "HTTP error %d did not result in an httpError object", code)
+		assert.Equalf(t, httpErr.Response.StatusCode, code, "desired error %d but didn't get it", code)
+	}
+}
--- a/backend/b2/api/types.go
+++ b/backend/b2/api/types.go
@@ -33,18 +33,10 @@ var _ fserrors.Fataler = (*Error)(nil)

 // Bucket describes a B2 bucket
 type Bucket struct {
-	ID             string          `json:"bucketId"`
-	AccountID      string          `json:"accountId"`
-	Name           string          `json:"bucketName"`
-	Type           string          `json:"bucketType"`
-	LifecycleRules []LifecycleRule `json:"lifecycleRules,omitempty"`
-}
-
-// LifecycleRule is a single lifecycle rule
-type LifecycleRule struct {
-	DaysFromHidingToDeleting  *int   `json:"daysFromHidingToDeleting"`
-	DaysFromUploadingToHiding *int   `json:"daysFromUploadingToHiding"`
-	FileNamePrefix            string `json:"fileNamePrefix"`
+	ID        string `json:"bucketId"`
+	AccountID string `json:"accountId"`
+	Name      string `json:"bucketName"`
+	Type      string `json:"bucketType"`
 }

 // Timestamp is a UTC time when this file was uploaded. It is a base
@@ -214,10 +206,9 @@ type FileInfo struct {

 // CreateBucketRequest is used to create a bucket
 type CreateBucketRequest struct {
-	AccountID      string          `json:"accountId"`
-	Name           string          `json:"bucketName"`
-	Type           string          `json:"bucketType"`
-	LifecycleRules []LifecycleRule `json:"lifecycleRules,omitempty"`
+	AccountID string `json:"accountId"`
+	Name      string `json:"bucketName"`
+	Type      string `json:"bucketType"`
 }

 // DeleteBucketRequest is used to create a bucket
@@ -340,11 +331,3 @@ type CopyPartRequest struct {
 	PartNumber  int64  `json:"partNumber"`      // Which part this is (starting from 1)
 	Range       string `json:"range,omitempty"` // The range of bytes to copy. If not provided, the whole source file will be copied.
 }
-
-// UpdateBucketRequest describes a request to modify a B2 bucket
-type UpdateBucketRequest struct {
-	ID             string          `json:"bucketId"`
-	AccountID      string          `json:"accountId"`
-	Type           string          `json:"bucketType,omitempty"`
-	LifecycleRules []LifecycleRule `json:"lifecycleRules,omitempty"`
-}
--- a/backend/b2/b2.go
+++ b/backend/b2/b2.go
@@ -32,7 +32,6 @@ import (
 	"github.com/rclone/rclone/fs/walk"
 	"github.com/rclone/rclone/lib/bucket"
 	"github.com/rclone/rclone/lib/encoder"
-	"github.com/rclone/rclone/lib/multipart"
 	"github.com/rclone/rclone/lib/pacer"
 	"github.com/rclone/rclone/lib/pool"
 	"github.com/rclone/rclone/lib/rest"
@@ -58,7 +57,9 @@ const (
 	minChunkSize        = 5 * fs.Mebi
 	defaultChunkSize    = 96 * fs.Mebi
 	defaultUploadCutoff = 200 * fs.Mebi
-	largeFileCopyCutoff = 4 * fs.Gibi // 5E9 is the max
+	largeFileCopyCutoff = 4 * fs.Gibi              // 5E9 is the max
+	memoryPoolFlushTime = fs.Duration(time.Minute) // flush the cached buffers after this long
+	memoryPoolUseMmap   = false
 )

 // Globals
@@ -73,17 +74,14 @@ func init() {
 		Name:        "b2",
 		Description: "Backblaze B2",
 		NewFs:       NewFs,
-		CommandHelp: commandHelp,
 		Options: []fs.Option{{
-			Name:      "account",
-			Help:      "Account ID or Application Key ID.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "account",
+			Help:     "Account ID or Application Key ID.",
+			Required: true,
 		}, {
-			Name:      "key",
-			Help:      "Application Key.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "key",
+			Help:     "Application Key.",
+			Required: true,
 		}, {
 			Name:     "endpoint",
 			Help:     "Endpoint for the service.\n\nLeave blank normally.",
@@ -149,18 +147,6 @@ might a maximum of "--transfers" chunks in progress at once.
 5,000,000 Bytes is the minimum size.`,
 			Default:  defaultChunkSize,
 			Advanced: true,
-		}, {
-			Name: "upload_concurrency",
-			Help: `Concurrency for multipart uploads.
-
-This is the number of chunks of the same file that are uploaded
-concurrently.
-
-Note that chunks are stored in memory and there may be up to
-"--transfers" * "--b2-upload-concurrency" chunks stored at once
-in memory.`,
-			Default:  4,
-			Advanced: true,
 		}, {
 			Name: "disable_checksum",
 			Help: `Disable checksums for large (> upload cutoff) files.
@@ -200,41 +186,16 @@ The minimum value is 1 second. The maximum value is one week.`,
 			Advanced: true,
 		}, {
 			Name:     "memory_pool_flush_time",
-			Default:  fs.Duration(time.Minute),
+			Default:  memoryPoolFlushTime,
 			Advanced: true,
-			Hide:     fs.OptionHideBoth,
-			Help:     `How often internal memory buffer pools will be flushed. (no longer used)`,
+			Help: `How often internal memory buffer pools will be flushed.
+Uploads which requires additional buffers (f.e multipart) will use memory pool for allocations.
+This option controls how often unused buffers will be removed from the pool.`,
 		}, {
 			Name:     "memory_pool_use_mmap",
-			Default:  false,
-			Advanced: true,
-			Hide:     fs.OptionHideBoth,
-			Help:     `Whether to use mmap buffers in internal memory pool. (no longer used)`,
-		}, {
-			Name: "lifecycle",
-			Help: `Set the number of days deleted files should be kept when creating a bucket.
-
-On bucket creation, this parameter is used to create a lifecycle rule
-for the entire bucket.
-
-If lifecycle is 0 (the default) it does not create a lifecycle rule so
-the default B2 behaviour applies. This is to create versions of files
-on delete and overwrite and to keep them indefinitely.
-
-If lifecycle is >0 then it creates a single rule setting the number of
-days before a file that is deleted or overwritten is deleted
-permanently. This is known as daysFromHidingToDeleting in the b2 docs.
-
-The minimum value for this parameter is 1 day.
-
-You can also enable hard_delete in the config also which will mean
-deletions won't cause versions but overwrites will still cause
-versions to be made.
-
-See: [rclone backend lifecycle](#lifecycle) for setting lifecycles after bucket creation.
-`,
-			Default:  0,
+			Default:  memoryPoolUseMmap,
 			Advanced: true,
+			Help:     `Whether to use mmap buffers in internal memory pool.`,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -261,11 +222,11 @@ type Options struct {
 	UploadCutoff                  fs.SizeSuffix        `config:"upload_cutoff"`
 	CopyCutoff                    fs.SizeSuffix        `config:"copy_cutoff"`
 	ChunkSize                     fs.SizeSuffix        `config:"chunk_size"`
-	UploadConcurrency             int                  `config:"upload_concurrency"`
 	DisableCheckSum               bool                 `config:"disable_checksum"`
 	DownloadURL                   string               `config:"download_url"`
 	DownloadAuthorizationDuration fs.Duration          `config:"download_auth_duration"`
-	Lifecycle                     int                  `config:"lifecycle"`
+	MemoryPoolFlushTime           fs.Duration          `config:"memory_pool_flush_time"`
+	MemoryPoolUseMmap             bool                 `config:"memory_pool_use_mmap"`
 	Enc                           encoder.MultiEncoder `config:"encoding"`
 }

@@ -290,6 +251,7 @@ type Fs struct {
 	authMu          sync.Mutex                             // lock for authorizing the account
 	pacer           *fs.Pacer                              // To pace and retry the API calls
 	uploadToken     *pacer.TokenDispenser                  // control concurrency
+	pool            *pool.Pool                             // memory pool
 }

 // Object describes a b2 object
@@ -494,6 +456,12 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		uploads:     make(map[string][]*api.GetUploadURLResponse),
 		pacer:       fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 		uploadToken: pacer.NewTokenDispenser(ci.Transfers),
+		pool: pool.New(
+			time.Duration(opt.MemoryPoolFlushTime),
+			int(opt.ChunkSize),
+			ci.Transfers,
+			opt.MemoryPoolUseMmap,
+		),
 	}
 	f.setRoot(root)
 	f.features = (&fs.Features{
@@ -627,24 +595,23 @@ func (f *Fs) clearUploadURL(bucketID string) {
 	f.uploadMu.Unlock()
 }

-// getRW gets a RW buffer and an upload token
+// getBuf gets a buffer of f.opt.ChunkSize and an upload token
 //
 // If noBuf is set then it just gets an upload token
-func (f *Fs) getRW(noBuf bool) (rw *pool.RW) {
+func (f *Fs) getBuf(noBuf bool) (buf []byte) {
 	f.uploadToken.Get()
 	if !noBuf {
-		rw = multipart.NewRW()
+		buf = f.pool.Get()
 	}
-	return rw
+	return buf
 }

-// putRW returns a RW buffer to the memory pool and returns an upload
-// token
+// putBuf returns a buffer to the memory pool and an upload token
 //
-// If buf is nil then it just returns the upload token
-func (f *Fs) putRW(rw *pool.RW) {
-	if rw != nil {
-		_ = rw.Close()
+// If noBuf is set then it just returns the upload token
+func (f *Fs) putBuf(buf []byte, noBuf bool) {
+	if !noBuf {
+		f.pool.Put(buf)
 	}
 	f.uploadToken.Put()
 }
@@ -851,7 +818,7 @@ func (f *Fs) listDir(ctx context.Context, bucket, directory, prefix string, addB

 // listBuckets returns all the buckets to out
 func (f *Fs) listBuckets(ctx context.Context) (entries fs.DirEntries, err error) {
-	err = f.listBucketsToFn(ctx, "", func(bucket *api.Bucket) error {
+	err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
 		d := fs.NewDir(bucket.Name, time.Time{})
 		entries = append(entries, d)
 		return nil
@@ -944,14 +911,11 @@ func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (
 type listBucketFn func(*api.Bucket) error

 // listBucketsToFn lists the buckets to the function supplied
-func (f *Fs) listBucketsToFn(ctx context.Context, bucketName string, fn listBucketFn) error {
+func (f *Fs) listBucketsToFn(ctx context.Context, fn listBucketFn) error {
 	var account = api.ListBucketsRequest{
 		AccountID: f.info.AccountID,
 		BucketID:  f.info.Allowed.BucketID,
 	}
-	if bucketName != "" && account.BucketID == "" {
-		account.BucketName = f.opt.Enc.FromStandardName(bucketName)
-	}

 	var response api.ListBucketsResponse
 	opts := rest.Opts{
@@ -997,7 +961,7 @@ func (f *Fs) getbucketType(ctx context.Context, bucket string) (bucketType strin
 	if bucketType != "" {
 		return bucketType, nil
 	}
-	err = f.listBucketsToFn(ctx, bucket, func(bucket *api.Bucket) error {
+	err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
 		// listBucketsToFn reads bucket Types
 		return nil
 	})
@@ -1032,7 +996,7 @@ func (f *Fs) getBucketID(ctx context.Context, bucket string) (bucketID string, e
 	if bucketID != "" {
 		return bucketID, nil
 	}
-	err = f.listBucketsToFn(ctx, bucket, func(bucket *api.Bucket) error {
+	err = f.listBucketsToFn(ctx, func(bucket *api.Bucket) error {
 		// listBucketsToFn sets IDs
 		return nil
 	})
@@ -1096,11 +1060,6 @@ func (f *Fs) makeBucket(ctx context.Context, bucket string) error {
 			Name:      f.opt.Enc.FromStandardName(bucket),
 			Type:      "allPrivate",
 		}
-		if f.opt.Lifecycle > 0 {
-			request.LifecycleRules = []api.LifecycleRule{{
-				DaysFromHidingToDeleting: &f.opt.Lifecycle,
-			}}
-		}
 		var response api.Bucket
 		err := f.pacer.Call(func() (bool, error) {
 			resp, err := f.srv.CallJSON(ctx, &opts, &request, &response)
@@ -1262,7 +1221,7 @@ func (f *Fs) purge(ctx context.Context, dir string, oldOnly bool) error {
 					fs.Errorf(object.Name, "Can't create object %v", err)
 					continue
 				}
-				tr := accounting.Stats(ctx).NewCheckingTransfer(oi, "deleting")
+				tr := accounting.Stats(ctx).NewCheckingTransfer(oi)
 				err = f.deleteByID(ctx, object.ID, object.Name)
 				checkErr(err)
 				tr.Done(ctx, err)
@@ -1276,7 +1235,7 @@ func (f *Fs) purge(ctx context.Context, dir string, oldOnly bool) error {
 			if err != nil {
 				fs.Errorf(object, "Can't create object %+v", err)
 			}
-			tr := accounting.Stats(ctx).NewCheckingTransfer(oi, "checking")
+			tr := accounting.Stats(ctx).NewCheckingTransfer(oi)
 			if oldOnly && last != remote {
 				// Check current version of the file
 				if object.Action == "hide" {
@@ -1332,7 +1291,7 @@ func (f *Fs) copy(ctx context.Context, dstObj *Object, srcObj *Object, newInfo *
 		if err != nil {
 			return err
 		}
-		return up.Copy(ctx)
+		return up.Upload(ctx)
 	}

 	dstBucket, dstPath := dstObj.split()
@@ -1461,7 +1420,7 @@ func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration,
 	if err != nil {
 		return "", err
 	}
-	absPath := "/" + urlEncode(bucketPath)
+	absPath := "/" + bucketPath
 	link = RootURL + "/file/" + urlEncode(bucket) + absPath
 	bucketType, err := f.getbucketType(ctx, bucket)
 	if err != nil {
@@ -1900,11 +1859,11 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	if size < 0 {
+	if size == -1 {
 		// Check if the file is large enough for a chunked upload (needs to be at least two chunks)
-		rw := o.fs.getRW(false)
+		buf := o.fs.getBuf(false)

-		n, err := io.CopyN(rw, in, int64(o.fs.opt.ChunkSize))
+		n, err := io.ReadFull(in, buf)
 		if err == nil {
 			bufReader := bufio.NewReader(in)
 			in = bufReader
@@ -1915,30 +1874,26 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 			fs.Debugf(o, "File is big enough for chunked streaming")
 			up, err := o.fs.newLargeUpload(ctx, o, in, src, o.fs.opt.ChunkSize, false, nil)
 			if err != nil {
-				o.fs.putRW(rw)
+				o.fs.putBuf(buf, false)
 				return err
 			}
 			// NB Stream returns the buffer and token
-			return up.Stream(ctx, rw)
-		} else if err == io.EOF {
+			return up.Stream(ctx, buf)
+		} else if err == io.EOF || err == io.ErrUnexpectedEOF {
 			fs.Debugf(o, "File has %d bytes, which makes only one chunk. Using direct upload.", n)
-			defer o.fs.putRW(rw)
-			size = n
-			in = rw
+			defer o.fs.putBuf(buf, false)
+			size = int64(n)
+			in = bytes.NewReader(buf[:n])
 		} else {
-			o.fs.putRW(rw)
+			o.fs.putBuf(buf, false)
 			return err
 		}
 	} else if size > int64(o.fs.opt.UploadCutoff) {
-		chunkWriter, err := multipart.UploadMultipart(ctx, src, in, multipart.UploadMultipartOptions{
-			Open:        o.fs,
-			OpenOptions: options,
-		})
+		up, err := o.fs.newLargeUpload(ctx, o, in, src, o.fs.opt.ChunkSize, false, nil)
 		if err != nil {
 			return err
 		}
-		up := chunkWriter.(*largeUpload)
-		return o.decodeMetaDataFileInfo(up.info)
+		return up.Upload(ctx)
 	}

 	modTime := src.ModTime(ctx)
@@ -2046,41 +2001,6 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	return o.decodeMetaDataFileInfo(&response)
 }

-// OpenChunkWriter returns the chunk size and a ChunkWriter
-//
-// Pass in the remote and the src object
-// You can also use options to hint at the desired chunk size
-func (f *Fs) OpenChunkWriter(ctx context.Context, remote string, src fs.ObjectInfo, options ...fs.OpenOption) (info fs.ChunkWriterInfo, writer fs.ChunkWriter, err error) {
-	// FIXME what if file is smaller than 1 chunk?
-	if f.opt.Versions {
-		return info, nil, errNotWithVersions
-	}
-	if f.opt.VersionAt.IsSet() {
-		return info, nil, errNotWithVersionAt
-	}
-	//size := src.Size()
-
-	// Temporary Object under construction
-	o := &Object{
-		fs:     f,
-		remote: src.Remote(),
-	}
-
-	bucket, _ := o.split()
-	err = f.makeBucket(ctx, bucket)
-	if err != nil {
-		return info, nil, err
-	}
-
-	info = fs.ChunkWriterInfo{
-		ChunkSize:   int64(f.opt.ChunkSize),
-		Concurrency: o.fs.opt.UploadConcurrency,
-		//LeavePartsOnError: o.fs.opt.LeavePartsOnError,
-	}
-	up, err := f.newLargeUpload(ctx, o, nil, src, f.opt.ChunkSize, false, nil)
-	return info, up, err
-}
-
 // Remove an object
 func (o *Object) Remove(ctx context.Context) error {
 	bucket, bucketPath := o.split()
@@ -2106,149 +2026,16 @@ func (o *Object) ID() string {
 	return o.id
 }

-var lifecycleHelp = fs.CommandHelp{
-	Name:  "lifecycle",
-	Short: "Read or set the lifecycle for a bucket",
-	Long: `This command can be used to read or set the lifecycle for a bucket.
-
-Usage Examples:
-
-To show the current lifecycle rules:
-
-    rclone backend lifecycle b2:bucket
-
-This will dump something like this showing the lifecycle rules.
-
-    [
-        {
-            "daysFromHidingToDeleting": 1,
-            "daysFromUploadingToHiding": null,
-            "fileNamePrefix": ""
-        }
-    ]
-
-If there are no lifecycle rules (the default) then it will just return [].
-
-To reset the current lifecycle rules:
-
-    rclone backend lifecycle b2:bucket -o daysFromHidingToDeleting=30
-    rclone backend lifecycle b2:bucket -o daysFromUploadingToHiding=5 -o daysFromHidingToDeleting=1
-
-This will run and then print the new lifecycle rules as above.
-
-Rclone only lets you set lifecycles for the whole bucket with the
-fileNamePrefix = "".
-
-You can't disable versioning with B2. The best you can do is to set
-the daysFromHidingToDeleting to 1 day. You can enable hard_delete in
-the config also which will mean deletions won't cause versions but
-overwrites will still cause versions to be made.
-
-    rclone backend lifecycle b2:bucket -o daysFromHidingToDeleting=1
-
-See: https://www.backblaze.com/docs/cloud-storage-lifecycle-rules
-`,
-	Opts: map[string]string{
-		"daysFromHidingToDeleting":  "After a file has been hidden for this many days it is deleted. 0 is off.",
-		"daysFromUploadingToHiding": "This many days after uploading a file is hidden",
-	},
-}
-
-func (f *Fs) lifecycleCommand(ctx context.Context, name string, arg []string, opt map[string]string) (out interface{}, err error) {
-	var newRule api.LifecycleRule
-	if daysStr := opt["daysFromHidingToDeleting"]; daysStr != "" {
-		days, err := strconv.Atoi(daysStr)
-		if err != nil {
-			return nil, fmt.Errorf("bad daysFromHidingToDeleting: %w", err)
-		}
-		newRule.DaysFromHidingToDeleting = &days
-	}
-	if daysStr := opt["daysFromUploadingToHiding"]; daysStr != "" {
-		days, err := strconv.Atoi(daysStr)
-		if err != nil {
-			return nil, fmt.Errorf("bad daysFromUploadingToHiding: %w", err)
-		}
-		newRule.DaysFromUploadingToHiding = &days
-	}
-	bucketName, _ := f.split("")
-	if bucketName == "" {
-		return nil, errors.New("bucket required")
-
-	}
-
-	var bucket *api.Bucket
-	if newRule.DaysFromHidingToDeleting != nil || newRule.DaysFromUploadingToHiding != nil {
-		bucketID, err := f.getBucketID(ctx, bucketName)
-		if err != nil {
-			return nil, err
-		}
-		opts := rest.Opts{
-			Method: "POST",
-			Path:   "/b2_update_bucket",
-		}
-		var request = api.UpdateBucketRequest{
-			ID:             bucketID,
-			AccountID:      f.info.AccountID,
-			LifecycleRules: []api.LifecycleRule{newRule},
-		}
-		var response api.Bucket
-		err = f.pacer.Call(func() (bool, error) {
-			resp, err := f.srv.CallJSON(ctx, &opts, &request, &response)
-			return f.shouldRetry(ctx, resp, err)
-		})
-		if err != nil {
-			return nil, err
-		}
-		bucket = &response
-	} else {
-		err = f.listBucketsToFn(ctx, bucketName, func(b *api.Bucket) error {
-			bucket = b
-			return nil
-		})
-		if err != nil {
-			return nil, err
-		}
-	}
-	if bucket == nil {
-		return nil, fs.ErrorDirNotFound
-	}
-	return bucket.LifecycleRules, nil
-}
-
-var commandHelp = []fs.CommandHelp{
-	lifecycleHelp,
-}
-
-// Command the backend to run a named command
-//
-// The command run is name
-// args may be used to read arguments from
-// opts may be used to read optional arguments from
-//
-// The result should be capable of being JSON encoded
-// If it is a string or a []string it will be shown to the user
-// otherwise it will be JSON encoded and shown to the user like that
-func (f *Fs) Command(ctx context.Context, name string, arg []string, opt map[string]string) (out interface{}, err error) {
-	switch name {
-	case "lifecycle":
-		return f.lifecycleCommand(ctx, name, arg, opt)
-	default:
-		return nil, fs.ErrorCommandNotFound
-	}
-}
-
 // Check the interfaces are satisfied
 var (
-	_ fs.Fs              = &Fs{}
-	_ fs.Purger          = &Fs{}
-	_ fs.Copier          = &Fs{}
-	_ fs.PutStreamer     = &Fs{}
-	_ fs.CleanUpper      = &Fs{}
-	_ fs.ListRer         = &Fs{}
-	_ fs.PublicLinker    = &Fs{}
-	_ fs.OpenChunkWriter = &Fs{}
-	_ fs.Commander       = &Fs{}
-	_ fs.Object          = &Object{}
-	_ fs.MimeTyper       = &Object{}
-	_ fs.IDer            = &Object{}
+	_ fs.Fs           = &Fs{}
+	_ fs.Purger       = &Fs{}
+	_ fs.Copier       = &Fs{}
+	_ fs.PutStreamer  = &Fs{}
+	_ fs.CleanUpper   = &Fs{}
+	_ fs.ListRer      = &Fs{}
+	_ fs.PublicLinker = &Fs{}
+	_ fs.Object       = &Object{}
+	_ fs.MimeTyper    = &Object{}
+	_ fs.IDer         = &Object{}
 )
--- a/backend/b2/upload.go
+++ b/backend/b2/upload.go
@@ -5,6 +5,7 @@
 package b2

 import (
+	"bytes"
 	"context"
 	"crypto/sha1"
 	"encoding/hex"
@@ -20,7 +21,6 @@ import (
 	"github.com/rclone/rclone/fs/chunksize"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/atexit"
-	"github.com/rclone/rclone/lib/pool"
 	"github.com/rclone/rclone/lib/rest"
 	"golang.org/x/sync/errgroup"
 )
@@ -78,14 +78,12 @@ type largeUpload struct {
 	wrap      accounting.WrapFn               // account parts being transferred
 	id        string                          // ID of the file being uploaded
 	size      int64                           // total size
-	parts     int                             // calculated number of parts, if known
-	sha1smu   sync.Mutex                      // mutex to protect sha1s
+	parts     int64                           // calculated number of parts, if known
 	sha1s     []string                        // slice of SHA1s for each part
 	uploadMu  sync.Mutex                      // lock for upload variable
 	uploads   []*api.GetUploadPartURLResponse // result of get upload URL calls
 	chunkSize int64                           // chunk size to use
 	src       *Object                         // if copying, object we are reading from
-	info      *api.FileInfo                   // final response with info about the object
 }

 // newLargeUpload starts an upload of object o from in with metadata in src
@@ -93,16 +91,18 @@ type largeUpload struct {
 // If newInfo is set then metadata from that will be used instead of reading it from src
 func (f *Fs) newLargeUpload(ctx context.Context, o *Object, in io.Reader, src fs.ObjectInfo, defaultChunkSize fs.SizeSuffix, doCopy bool, newInfo *api.File) (up *largeUpload, err error) {
 	size := src.Size()
-	parts := 0
+	parts := int64(0)
+	sha1SliceSize := int64(maxParts)
 	chunkSize := defaultChunkSize
 	if size == -1 {
 		fs.Debugf(o, "Streaming upload with --b2-chunk-size %s allows uploads of up to %s and will fail only when that limit is reached.", f.opt.ChunkSize, maxParts*f.opt.ChunkSize)
 	} else {
 		chunkSize = chunksize.Calculator(o, size, maxParts, defaultChunkSize)
-		parts = int(size / int64(chunkSize))
+		parts = size / int64(chunkSize)
 		if size%int64(chunkSize) != 0 {
 			parts++
 		}
+		sha1SliceSize = parts
 	}

 	opts := rest.Opts{
@@ -150,7 +150,7 @@ func (f *Fs) newLargeUpload(ctx context.Context, o *Object, in io.Reader, src fs
 		id:        response.ID,
 		size:      size,
 		parts:     parts,
-		sha1s:     make([]string, 0, 16),
+		sha1s:     make([]string, sha1SliceSize),
 		chunkSize: int64(chunkSize),
 	}
 	// unwrap the accounting from the input, we use wrap to put it
@@ -169,26 +169,24 @@ func (f *Fs) newLargeUpload(ctx context.Context, o *Object, in io.Reader, src fs
 // This should be returned with returnUploadURL when finished
 func (up *largeUpload) getUploadURL(ctx context.Context) (upload *api.GetUploadPartURLResponse, err error) {
 	up.uploadMu.Lock()
-	if len(up.uploads) > 0 {
+	defer up.uploadMu.Unlock()
+	if len(up.uploads) == 0 {
+		opts := rest.Opts{
+			Method: "POST",
+			Path:   "/b2_get_upload_part_url",
+		}
+		var request = api.GetUploadPartURLRequest{
+			ID: up.id,
+		}
+		err := up.f.pacer.Call(func() (bool, error) {
+			resp, err := up.f.srv.CallJSON(ctx, &opts, &request, &upload)
+			return up.f.shouldRetry(ctx, resp, err)
+		})
+		if err != nil {
+			return nil, fmt.Errorf("failed to get upload URL: %w", err)
+		}
+	} else {
 		upload, up.uploads = up.uploads[0], up.uploads[1:]
-		up.uploadMu.Unlock()
-		return upload, nil
-	}
-	up.uploadMu.Unlock()
-
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/b2_get_upload_part_url",
-	}
-	var request = api.GetUploadPartURLRequest{
-		ID: up.id,
-	}
-	err = up.f.pacer.Call(func() (bool, error) {
-		resp, err := up.f.srv.CallJSON(ctx, &opts, &request, &upload)
-		return up.f.shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return nil, fmt.Errorf("failed to get upload URL: %w", err)
 	}
 	return upload, nil
 }
@@ -203,39 +201,10 @@ func (up *largeUpload) returnUploadURL(upload *api.GetUploadPartURLResponse) {
 	up.uploadMu.Unlock()
 }

-// Add an sha1 to the being built up sha1s
-func (up *largeUpload) addSha1(chunkNumber int, sha1 string) {
-	up.sha1smu.Lock()
-	defer up.sha1smu.Unlock()
-	if len(up.sha1s) < chunkNumber+1 {
-		up.sha1s = append(up.sha1s, make([]string, chunkNumber+1-len(up.sha1s))...)
-	}
-	up.sha1s[chunkNumber] = sha1
-}
-
-// WriteChunk will write chunk number with reader bytes, where chunk number >= 0
-func (up *largeUpload) WriteChunk(ctx context.Context, chunkNumber int, reader io.ReadSeeker) (size int64, err error) {
-	// Only account after the checksum reads have been done
-	if do, ok := reader.(pool.DelayAccountinger); ok {
-		// To figure out this number, do a transfer and if the accounted size is 0 or a
-		// multiple of what it should be, increase or decrease this number.
-		do.DelayAccounting(1)
-	}
-
-	err = up.f.pacer.Call(func() (bool, error) {
-		// Discover the size by seeking to the end
-		size, err = reader.Seek(0, io.SeekEnd)
-		if err != nil {
-			return false, err
-		}
-
-		// rewind the reader on retry and after reading size
-		_, err = reader.Seek(0, io.SeekStart)
-		if err != nil {
-			return false, err
-		}
-
-		fs.Debugf(up.o, "Sending chunk %d length %d", chunkNumber, size)
+// Transfer a chunk
+func (up *largeUpload) transferChunk(ctx context.Context, part int64, body []byte) error {
+	err := up.f.pacer.Call(func() (bool, error) {
+		fs.Debugf(up.o, "Sending chunk %d length %d", part, len(body))

 		// Get upload URL
 		upload, err := up.getUploadURL(ctx)
@@ -243,8 +212,8 @@ func (up *largeUpload) WriteChunk(ctx context.Context, chunkNumber int, reader i
 			return false, err
 		}

-		in := newHashAppendingReader(reader, sha1.New())
-		sizeWithHash := size + int64(in.AdditionalLength())
+		in := newHashAppendingReader(bytes.NewReader(body), sha1.New())
+		size := int64(len(body)) + int64(in.AdditionalLength())

 		// Authorization
 		//
@@ -274,10 +243,10 @@ func (up *largeUpload) WriteChunk(ctx context.Context, chunkNumber int, reader i
 			Body:    up.wrap(in),
 			ExtraHeaders: map[string]string{
 				"Authorization":    upload.AuthorizationToken,
-				"X-Bz-Part-Number": fmt.Sprintf("%d", chunkNumber+1),
+				"X-Bz-Part-Number": fmt.Sprintf("%d", part),
 				sha1Header:         "hex_digits_at_end",
 			},
-			ContentLength: &sizeWithHash,
+			ContentLength: &size,
 		}

 		var response api.UploadPartResponse
@@ -285,7 +254,7 @@ func (up *largeUpload) WriteChunk(ctx context.Context, chunkNumber int, reader i
 		resp, err := up.f.srv.CallJSON(ctx, &opts, nil, &response)
 		retry, err := up.f.shouldRetry(ctx, resp, err)
 		if err != nil {
-			fs.Debugf(up.o, "Error sending chunk %d (retry=%v): %v: %#v", chunkNumber, retry, err, err)
+			fs.Debugf(up.o, "Error sending chunk %d (retry=%v): %v: %#v", part, retry, err, err)
 		}
 		// On retryable error clear PartUploadURL
 		if retry {
@@ -293,30 +262,30 @@ func (up *largeUpload) WriteChunk(ctx context.Context, chunkNumber int, reader i
 			upload = nil
 		}
 		up.returnUploadURL(upload)
-		up.addSha1(chunkNumber, in.HexSum())
+		up.sha1s[part-1] = in.HexSum()
 		return retry, err
 	})
 	if err != nil {
-		fs.Debugf(up.o, "Error sending chunk %d: %v", chunkNumber, err)
+		fs.Debugf(up.o, "Error sending chunk %d: %v", part, err)
 	} else {
-		fs.Debugf(up.o, "Done sending chunk %d", chunkNumber)
+		fs.Debugf(up.o, "Done sending chunk %d", part)
 	}
-	return size, err
+	return err
 }

 // Copy a chunk
-func (up *largeUpload) copyChunk(ctx context.Context, part int, partSize int64) error {
+func (up *largeUpload) copyChunk(ctx context.Context, part int64, partSize int64) error {
 	err := up.f.pacer.Call(func() (bool, error) {
 		fs.Debugf(up.o, "Copying chunk %d length %d", part, partSize)
 		opts := rest.Opts{
 			Method: "POST",
 			Path:   "/b2_copy_part",
 		}
-		offset := int64(part) * up.chunkSize // where we are in the source file
+		offset := (part - 1) * up.chunkSize // where we are in the source file
 		var request = api.CopyPartRequest{
 			SourceID:    up.src.id,
 			LargeFileID: up.id,
-			PartNumber:  int64(part + 1),
+			PartNumber:  part,
 			Range:       fmt.Sprintf("bytes=%d-%d", offset, offset+partSize-1),
 		}
 		var response api.UploadPartResponse
@@ -325,7 +294,7 @@ func (up *largeUpload) copyChunk(ctx context.Context, part int, partSize int64)
 		if err != nil {
 			fs.Debugf(up.o, "Error copying chunk %d (retry=%v): %v: %#v", part, retry, err, err)
 		}
-		up.addSha1(part, response.SHA1)
+		up.sha1s[part-1] = response.SHA1
 		return retry, err
 	})
 	if err != nil {
@@ -336,8 +305,8 @@ func (up *largeUpload) copyChunk(ctx context.Context, part int, partSize int64)
 	return err
 }

-// Close closes off the large upload
-func (up *largeUpload) Close(ctx context.Context) error {
+// finish closes off the large upload
+func (up *largeUpload) finish(ctx context.Context) error {
 	fs.Debugf(up.o, "Finishing large file %s with %d parts", up.what, up.parts)
 	opts := rest.Opts{
 		Method: "POST",
@@ -355,12 +324,11 @@ func (up *largeUpload) Close(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	up.info = &response
-	return nil
+	return up.o.decodeMetaDataFileInfo(&response)
 }

-// Abort aborts the large upload
-func (up *largeUpload) Abort(ctx context.Context) error {
+// cancel aborts the large upload
+func (up *largeUpload) cancel(ctx context.Context) error {
 	fs.Debugf(up.o, "Cancelling large file %s", up.what)
 	opts := rest.Opts{
 		Method: "POST",
@@ -385,98 +353,128 @@ func (up *largeUpload) Abort(ctx context.Context) error {
 // reaches EOF.
 //
 // Note that initialUploadBlock must be returned to f.putBuf()
-func (up *largeUpload) Stream(ctx context.Context, initialUploadBlock *pool.RW) (err error) {
-	defer atexit.OnError(&err, func() { _ = up.Abort(ctx) })()
+func (up *largeUpload) Stream(ctx context.Context, initialUploadBlock []byte) (err error) {
+	defer atexit.OnError(&err, func() { _ = up.cancel(ctx) })()
 	fs.Debugf(up.o, "Starting streaming of large file (id %q)", up.id)
 	var (
 		g, gCtx      = errgroup.WithContext(ctx)
 		hasMoreParts = true
 	)
-	up.size = initialUploadBlock.Size()
-	for part := 0; hasMoreParts; part++ {
-		// Get a block of memory from the pool and token which limits concurrency.
-		var rw *pool.RW
-		if part == 1 {
-			rw = initialUploadBlock
-		} else {
-			rw = up.f.getRW(false)
-		}
-
-		// Fail fast, in case an errgroup managed function returns an error
-		// gCtx is cancelled. There is no point in uploading all the other parts.
-		if gCtx.Err() != nil {
-			up.f.putRW(rw)
-			break
-		}
-
-		// Read the chunk
-		var n int64
-		if part == 1 {
-			n = rw.Size()
-		} else {
-			n, err = io.CopyN(rw, up.in, up.chunkSize)
-			if err == io.EOF {
-				fs.Debugf(up.o, "Read less than a full chunk, making this the last one.")
-				hasMoreParts = false
-			} else if err != nil {
-				// other kinds of errors indicate failure
-				up.f.putRW(rw)
-				return err
+	up.size = int64(len(initialUploadBlock))
+	g.Go(func() error {
+		for part := int64(1); hasMoreParts; part++ {
+			// Get a block of memory from the pool and token which limits concurrency.
+			var buf []byte
+			if part == 1 {
+				buf = initialUploadBlock
+			} else {
+				buf = up.f.getBuf(false)
 			}
-		}

-		// Keep stats up to date
-		up.parts = part
-		up.size += n
-		if part > maxParts {
-			up.f.putRW(rw)
-			return fmt.Errorf("%q too big (%d bytes so far) makes too many parts %d > %d - increase --b2-chunk-size", up.o, up.size, up.parts, maxParts)
-		}
+			// Fail fast, in case an errgroup managed function returns an error
+			// gCtx is cancelled. There is no point in uploading all the other parts.
+			if gCtx.Err() != nil {
+				up.f.putBuf(buf, false)
+				return nil
+			}

-		part := part // for the closure
-		g.Go(func() (err error) {
-			defer up.f.putRW(rw)
-			_, err = up.WriteChunk(gCtx, part, rw)
-			return err
-		})
-	}
+			// Read the chunk
+			var n int
+			if part == 1 {
+				n = len(buf)
+			} else {
+				n, err = io.ReadFull(up.in, buf)
+				if err == io.ErrUnexpectedEOF {
+					fs.Debugf(up.o, "Read less than a full chunk, making this the last one.")
+					buf = buf[:n]
+					hasMoreParts = false
+				} else if err == io.EOF {
+					fs.Debugf(up.o, "Could not read any more bytes, previous chunk was the last.")
+					up.f.putBuf(buf, false)
+					return nil
+				} else if err != nil {
+					// other kinds of errors indicate failure
+					up.f.putBuf(buf, false)
+					return err
+				}
+			}
+
+			// Keep stats up to date
+			up.parts = part
+			up.size += int64(n)
+			if part > maxParts {
+				up.f.putBuf(buf, false)
+				return fmt.Errorf("%q too big (%d bytes so far) makes too many parts %d > %d - increase --b2-chunk-size", up.o, up.size, up.parts, maxParts)
+			}
+
+			part := part // for the closure
+			g.Go(func() (err error) {
+				defer up.f.putBuf(buf, false)
+				return up.transferChunk(gCtx, part, buf)
+			})
+		}
+		return nil
+	})
 	err = g.Wait()
 	if err != nil {
 		return err
 	}
-	return up.Close(ctx)
+	up.sha1s = up.sha1s[:up.parts]
+	return up.finish(ctx)
 }

-// Copy the chunks from the source to the destination
-func (up *largeUpload) Copy(ctx context.Context) (err error) {
-	defer atexit.OnError(&err, func() { _ = up.Abort(ctx) })()
+// Upload uploads the chunks from the input
+func (up *largeUpload) Upload(ctx context.Context) (err error) {
+	defer atexit.OnError(&err, func() { _ = up.cancel(ctx) })()
 	fs.Debugf(up.o, "Starting %s of large file in %d chunks (id %q)", up.what, up.parts, up.id)
 	var (
 		g, gCtx   = errgroup.WithContext(ctx)
 		remaining = up.size
 	)
-	g.SetLimit(up.f.opt.UploadConcurrency)
-	for part := 0; part <= up.parts; part++ {
-		// Fail fast, in case an errgroup managed function returns an error
-		// gCtx is cancelled. There is no point in copying all the other parts.
-		if gCtx.Err() != nil {
-			break
-		}
+	g.Go(func() error {
+		for part := int64(1); part <= up.parts; part++ {
+			// Get a block of memory from the pool and token which limits concurrency.
+			buf := up.f.getBuf(up.doCopy)

-		reqSize := remaining
-		if reqSize >= up.chunkSize {
-			reqSize = up.chunkSize
-		}
+			// Fail fast, in case an errgroup managed function returns an error
+			// gCtx is cancelled. There is no point in uploading all the other parts.
+			if gCtx.Err() != nil {
+				up.f.putBuf(buf, up.doCopy)
+				return nil
+			}

-		part := part // for the closure
-		g.Go(func() (err error) {
-			return up.copyChunk(gCtx, part, reqSize)
-		})
-		remaining -= reqSize
-	}
+			reqSize := remaining
+			if reqSize >= up.chunkSize {
+				reqSize = up.chunkSize
+			}
+
+			if !up.doCopy {
+				// Read the chunk
+				buf = buf[:reqSize]
+				_, err = io.ReadFull(up.in, buf)
+				if err != nil {
+					up.f.putBuf(buf, up.doCopy)
+					return err
+				}
+			}
+
+			part := part // for the closure
+			g.Go(func() (err error) {
+				defer up.f.putBuf(buf, up.doCopy)
+				if !up.doCopy {
+					err = up.transferChunk(gCtx, part, buf)
+				} else {
+					err = up.copyChunk(gCtx, part, reqSize)
+				}
+				return err
+			})
+			remaining -= reqSize
+		}
+		return nil
+	})
 	err = g.Wait()
 	if err != nil {
 		return err
 	}
-	return up.Close(ctx)
+	return up.finish(ctx)
 }
--- a/backend/box/api/types.go
+++ b/backend/box/api/types.go
@@ -52,7 +52,7 @@ func (e *Error) Error() string {
 		out += ": " + e.Message
 	}
 	if e.ContextInfo != nil {
-		out += fmt.Sprintf(" (%s)", string(e.ContextInfo))
+		out += fmt.Sprintf(" (%+v)", e.ContextInfo)
 	}
 	return out
 }
@@ -63,7 +63,7 @@ var _ error = (*Error)(nil)
 // ItemFields are the fields needed for FileInfo
 var ItemFields = "type,id,sequence_id,etag,sha1,name,size,created_at,modified_at,content_created_at,content_modified_at,item_status,shared_link,owned_by"

-// Types of things in Item/ItemMini
+// Types of things in Item
 const (
 	ItemTypeFolder    = "folder"
 	ItemTypeFile      = "file"
@@ -72,31 +72,20 @@ const (
 	ItemStatusDeleted = "deleted"
 )

-// ItemMini is a subset of the elements in a full Item returned by some API calls
-type ItemMini struct {
-	Type       string `json:"type"`
-	ID         string `json:"id"`
-	SequenceID int64  `json:"sequence_id,string"`
-	Etag       string `json:"etag"`
-	SHA1       string `json:"sha1"`
-	Name       string `json:"name"`
-}
-
 // Item describes a folder or a file as returned by Get Folder Items and others
 type Item struct {
-	Type              string   `json:"type"`
-	ID                string   `json:"id"`
-	SequenceID        int64    `json:"sequence_id,string"`
-	Etag              string   `json:"etag"`
-	SHA1              string   `json:"sha1"`
-	Name              string   `json:"name"`
-	Size              float64  `json:"size"` // box returns this in xEyy format for very large numbers - see #2261
-	CreatedAt         Time     `json:"created_at"`
-	ModifiedAt        Time     `json:"modified_at"`
-	ContentCreatedAt  Time     `json:"content_created_at"`
-	ContentModifiedAt Time     `json:"content_modified_at"`
-	ItemStatus        string   `json:"item_status"` // active, trashed if the file has been moved to the trash, and deleted if the file has been permanently deleted
-	Parent            ItemMini `json:"parent"`
+	Type              string  `json:"type"`
+	ID                string  `json:"id"`
+	SequenceID        string  `json:"sequence_id"`
+	Etag              string  `json:"etag"`
+	SHA1              string  `json:"sha1"`
+	Name              string  `json:"name"`
+	Size              float64 `json:"size"` // box returns this in xEyy format for very large numbers - see #2261
+	CreatedAt         Time    `json:"created_at"`
+	ModifiedAt        Time    `json:"modified_at"`
+	ContentCreatedAt  Time    `json:"content_created_at"`
+	ContentModifiedAt Time    `json:"content_modified_at"`
+	ItemStatus        string  `json:"item_status"` // active, trashed if the file has been moved to the trash, and deleted if the file has been permanently deleted
 	SharedLink        struct {
 		URL    string `json:"url,omitempty"`
 		Access string `json:"access,omitempty"`
@@ -292,30 +281,3 @@ type User struct {
 	Address       string    `json:"address"`
 	AvatarURL     string    `json:"avatar_url"`
 }
-
-// FileTreeChangeEventTypes are the events that can require cache invalidation
-var FileTreeChangeEventTypes = map[string]struct{}{
-	"ITEM_COPY":                 {},
-	"ITEM_CREATE":               {},
-	"ITEM_MAKE_CURRENT_VERSION": {},
-	"ITEM_MODIFY":               {},
-	"ITEM_MOVE":                 {},
-	"ITEM_RENAME":               {},
-	"ITEM_TRASH":                {},
-	"ITEM_UNDELETE_VIA_TRASH":   {},
-	"ITEM_UPLOAD":               {},
-}
-
-// Event is an array element in the response returned from /events
-type Event struct {
-	EventType string `json:"event_type"`
-	EventID   string `json:"event_id"`
-	Source    Item   `json:"source"`
-}
-
-// Events is returned from /events
-type Events struct {
-	ChunkSize          int64   `json:"chunk_size"`
-	Entries            []Event `json:"entries"`
-	NextStreamPosition int64   `json:"next_stream_position"`
-}
--- a/backend/box/box.go
+++ b/backend/box/box.go
@@ -27,7 +27,6 @@ import (
 	"sync/atomic"
 	"time"

-	"github.com/golang-jwt/jwt/v4"
 	"github.com/rclone/rclone/backend/box/api"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/config"
@@ -46,6 +45,7 @@ import (
 	"github.com/rclone/rclone/lib/rest"
 	"github.com/youmark/pkcs8"
 	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/jws"
 )

 const (
@@ -76,11 +76,6 @@ var (
 	}
 )

-type boxCustomClaims struct {
-	jwt.StandardClaims
-	BoxSubType string `json:"box_sub_type,omitempty"`
-}
-
 // Register with Fs
 func init() {
 	fs.Register(&fs.RegInfo{
@@ -107,18 +102,16 @@ func init() {
 			return nil, nil
 		},
 		Options: append(oauthutil.SharedOptions, []fs.Option{{
-			Name:      "root_folder_id",
-			Help:      "Fill in for rclone to use a non root folder as its starting point.",
-			Default:   "0",
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "root_folder_id",
+			Help:     "Fill in for rclone to use a non root folder as its starting point.",
+			Default:  "0",
+			Advanced: true,
 		}, {
 			Name: "box_config_file",
 			Help: "Box App config.json location\n\nLeave blank normally." + env.ShellExpandHelp,
 		}, {
-			Name:      "access_token",
-			Help:      "Box App Primary Access Token\n\nLeave blank normally.",
-			Sensitive: true,
+			Name: "access_token",
+			Help: "Box App Primary Access Token\n\nLeave blank normally.",
 		}, {
 			Name:    "box_sub_type",
 			Default: "user",
@@ -149,23 +142,6 @@ func init() {
 			Default:  "",
 			Help:     "Only show items owned by the login (email address) passed in.",
 			Advanced: true,
-		}, {
-			Name:    "impersonate",
-			Default: "",
-			Help: `Impersonate this user ID when using a service account.
-
-Setting this flag allows rclone, when using a JWT service account, to
-act on behalf of another user by setting the as-user header.
-
-The user ID is the Box identifier for a user. User IDs can found for
-any user via the GET /users endpoint, which is only available to
-admins, or by calling the GET /users/me endpoint with an authenticated
-user session.
-
-See: https://developer.box.com/guides/authentication/jwt/as-user/
-`,
-			Advanced:  true,
-			Sensitive: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -202,7 +178,7 @@ func refreshJWTToken(ctx context.Context, jsonFile string, boxSubType string, na
 	signingHeaders := getSigningHeaders(boxConfig)
 	queryParams := getQueryParams(boxConfig)
 	client := fshttp.NewClient(ctx)
-	err = jwtutil.Config("box", name, tokenURL, *claims, signingHeaders, queryParams, privateKey, m, client)
+	err = jwtutil.Config("box", name, claims, signingHeaders, queryParams, privateKey, m, client)
 	return err
 }

@@ -218,31 +194,34 @@ func getBoxConfig(configFile string) (boxConfig *api.ConfigJSON, err error) {
 	return boxConfig, nil
 }

-func getClaims(boxConfig *api.ConfigJSON, boxSubType string) (claims *boxCustomClaims, err error) {
+func getClaims(boxConfig *api.ConfigJSON, boxSubType string) (claims *jws.ClaimSet, err error) {
 	val, err := jwtutil.RandomHex(20)
 	if err != nil {
 		return nil, fmt.Errorf("box: failed to generate random string for jti: %w", err)
 	}

-	claims = &boxCustomClaims{
-		//lint:ignore SA1019 since we need to use jwt.StandardClaims even if deprecated in jwt-go v4 until a more permanent solution is ready in time before jwt-go v5 where it is removed entirely
-		//nolint:staticcheck // Don't include staticcheck when running golangci-lint to avoid SA1019
-		StandardClaims: jwt.StandardClaims{
-			Id:        val,
-			Issuer:    boxConfig.BoxAppSettings.ClientID,
-			Subject:   boxConfig.EnterpriseID,
-			Audience:  tokenURL,
-			ExpiresAt: time.Now().Add(time.Second * 45).Unix(),
+	claims = &jws.ClaimSet{
+		Iss: boxConfig.BoxAppSettings.ClientID,
+		Sub: boxConfig.EnterpriseID,
+		Aud: tokenURL,
+		Exp: time.Now().Add(time.Second * 45).Unix(),
+		PrivateClaims: map[string]interface{}{
+			"box_sub_type": boxSubType,
+			"aud":          tokenURL,
+			"jti":          val,
 		},
-		BoxSubType: boxSubType,
 	}
+
 	return claims, nil
 }

-func getSigningHeaders(boxConfig *api.ConfigJSON) map[string]interface{} {
-	signingHeaders := map[string]interface{}{
-		"kid": boxConfig.BoxAppSettings.AppAuth.PublicKeyID,
+func getSigningHeaders(boxConfig *api.ConfigJSON) *jws.Header {
+	signingHeaders := &jws.Header{
+		Algorithm: "RS256",
+		Typ:       "JWT",
+		KeyID:     boxConfig.BoxAppSettings.AppAuth.PublicKeyID,
 	}
+
 	return signingHeaders
 }

@@ -279,29 +258,19 @@ type Options struct {
 	AccessToken   string               `config:"access_token"`
 	ListChunk     int                  `config:"list_chunk"`
 	OwnedBy       string               `config:"owned_by"`
-	Impersonate   string               `config:"impersonate"`
-}
-
-// ItemMeta defines metadata we cache for each Item ID
-type ItemMeta struct {
-	SequenceID int64  // the most recent event processed for this item
-	ParentID   string // ID of the parent directory of this item
-	Name       string // leaf name of this item
 }

 // Fs represents a remote box
 type Fs struct {
-	name            string                // name of this remote
-	root            string                // the path we are working on
-	opt             Options               // parsed options
-	features        *fs.Features          // optional features
-	srv             *rest.Client          // the connection to the server
-	dirCache        *dircache.DirCache    // Map of directory path to directory id
-	pacer           *fs.Pacer             // pacer for API calls
-	tokenRenewer    *oauthutil.Renew      // renew the token on expiry
-	uploadToken     *pacer.TokenDispenser // control concurrency
-	itemMetaCacheMu *sync.Mutex           // protects itemMetaCache
-	itemMetaCache   map[string]ItemMeta   // map of Item ID to selected metadata
+	name         string                // name of this remote
+	root         string                // the path we are working on
+	opt          Options               // parsed options
+	features     *fs.Features          // optional features
+	srv          *rest.Client          // the connection to the server
+	dirCache     *dircache.DirCache    // Map of directory path to directory id
+	pacer        *fs.Pacer             // pacer for API calls
+	tokenRenewer *oauthutil.Renew      // renew the token on expiry
+	uploadToken  *pacer.TokenDispenser // control concurrency
 }

 // Object describes a box object
@@ -449,14 +418,12 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e

 	ci := fs.GetConfig(ctx)
 	f := &Fs{
-		name:            name,
-		root:            root,
-		opt:             *opt,
-		srv:             rest.NewClient(client).SetRoot(rootURL),
-		pacer:           fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
-		uploadToken:     pacer.NewTokenDispenser(ci.Transfers),
-		itemMetaCacheMu: new(sync.Mutex),
-		itemMetaCache:   make(map[string]ItemMeta),
+		name:        name,
+		root:        root,
+		opt:         *opt,
+		srv:         rest.NewClient(client).SetRoot(rootURL),
+		pacer:       fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
+		uploadToken: pacer.NewTokenDispenser(ci.Transfers),
 	}
 	f.features = (&fs.Features{
 		CaseInsensitive:         true,
@@ -469,11 +436,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		f.srv.SetHeader("Authorization", "Bearer "+f.opt.AccessToken)
 	}

-	// If using impersonate set an as-user header
-	if f.opt.Impersonate != "" {
-		f.srv.SetHeader("as-user", f.opt.Impersonate)
-	}
-
 	jsonFile, ok := m.Get("box_config_file")
 	boxSubType, boxSubTypeOk := m.Get("box_sub_type")

@@ -716,17 +678,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 			}
 			entries = append(entries, o)
 		}
-
-		// Cache some metadata for this Item to help us process events later
-		// on. In particular, the box event API does not provide the old path
-		// of the Item when it is renamed/deleted/moved/etc.
-		f.itemMetaCacheMu.Lock()
-		cachedItemMeta, found := f.itemMetaCache[info.ID]
-		if !found || cachedItemMeta.SequenceID < info.SequenceID {
-			f.itemMetaCache[info.ID] = ItemMeta{SequenceID: info.SequenceID, ParentID: directoryID, Name: info.Name}
-		}
-		f.itemMetaCacheMu.Unlock()
-
 		return false
 	})
 	if err != nil {
@@ -1166,7 +1117,7 @@ func (f *Fs) deletePermanently(ctx context.Context, itemType, id string) error {
 // CleanUp empties the trash
 func (f *Fs) CleanUp(ctx context.Context) (err error) {
 	var (
-		deleteErrors       atomic.Uint64
+		deleteErrors       = int64(0)
 		concurrencyControl = make(chan struct{}, fs.GetConfig(ctx).Checkers)
 		wg                 sync.WaitGroup
 	)
@@ -1182,7 +1133,7 @@ func (f *Fs) CleanUp(ctx context.Context) (err error) {
 				err := f.deletePermanently(ctx, item.Type, item.ID)
 				if err != nil {
 					fs.Errorf(f, "failed to delete trash item %q (%q): %v", item.Name, item.ID, err)
-					deleteErrors.Add(1)
+					atomic.AddInt64(&deleteErrors, 1)
 				}
 			}()
 		} else {
@@ -1191,277 +1142,12 @@ func (f *Fs) CleanUp(ctx context.Context) (err error) {
 		return false
 	})
 	wg.Wait()
-	if deleteErrors.Load() != 0 {
-		return fmt.Errorf("failed to delete %d trash items", deleteErrors.Load())
+	if deleteErrors != 0 {
+		return fmt.Errorf("failed to delete %d trash items", deleteErrors)
 	}
 	return err
 }

-// ChangeNotify calls the passed function with a path that has had changes.
-// If the implementation uses polling, it should adhere to the given interval.
-//
-// Automatically restarts itself in case of unexpected behavior of the remote.
-//
-// Close the returned channel to stop being notified.
-func (f *Fs) ChangeNotify(ctx context.Context, notifyFunc func(string, fs.EntryType), pollIntervalChan <-chan time.Duration) {
-	go func() {
-		// get the `stream_position` early so all changes from now on get processed
-		streamPosition, err := f.changeNotifyStreamPosition(ctx)
-		if err != nil {
-			fs.Infof(f, "Failed to get StreamPosition: %s", err)
-		}
-
-		// box can send duplicate Event IDs. Use this map to track and filter
-		// the ones we've already processed.
-		processedEventIDs := make(map[string]time.Time)
-
-		var ticker *time.Ticker
-		var tickerC <-chan time.Time
-		for {
-			select {
-			case pollInterval, ok := <-pollIntervalChan:
-				if !ok {
-					if ticker != nil {
-						ticker.Stop()
-					}
-					return
-				}
-				if ticker != nil {
-					ticker.Stop()
-					ticker, tickerC = nil, nil
-				}
-				if pollInterval != 0 {
-					ticker = time.NewTicker(pollInterval)
-					tickerC = ticker.C
-				}
-			case <-tickerC:
-				if streamPosition == "" {
-					streamPosition, err = f.changeNotifyStreamPosition(ctx)
-					if err != nil {
-						fs.Infof(f, "Failed to get StreamPosition: %s", err)
-						continue
-					}
-				}
-
-				// Garbage collect EventIDs older than 1 minute
-				for eventID, timestamp := range processedEventIDs {
-					if time.Since(timestamp) > time.Minute {
-						delete(processedEventIDs, eventID)
-					}
-				}
-
-				streamPosition, err = f.changeNotifyRunner(ctx, notifyFunc, streamPosition, processedEventIDs)
-				if err != nil {
-					fs.Infof(f, "Change notify listener failure: %s", err)
-				}
-			}
-		}
-	}()
-}
-
-func (f *Fs) changeNotifyStreamPosition(ctx context.Context) (streamPosition string, err error) {
-	opts := rest.Opts{
-		Method:     "GET",
-		Path:       "/events",
-		Parameters: fieldsValue(),
-	}
-	opts.Parameters.Set("stream_position", "now")
-	opts.Parameters.Set("stream_type", "changes")
-
-	var result api.Events
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.srv.CallJSON(ctx, &opts, nil, &result)
-		return shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return "", err
-	}
-
-	return strconv.FormatInt(result.NextStreamPosition, 10), nil
-}
-
-// Attempts to construct the full path for an object, given the ID of its
-// parent directory and the name of the object.
-//
-// Can return "" if the parentID is not currently in the directory cache.
-func (f *Fs) getFullPath(parentID string, childName string) (fullPath string) {
-	fullPath = ""
-	name := f.opt.Enc.ToStandardName(childName)
-	if parentID != "" {
-		if parentDir, ok := f.dirCache.GetInv(parentID); ok {
-			if len(parentDir) > 0 {
-				fullPath = parentDir + "/" + name
-			} else {
-				fullPath = name
-			}
-		}
-	} else {
-		// No parent, this object is at the root
-		fullPath = name
-	}
-	return fullPath
-}
-
-func (f *Fs) changeNotifyRunner(ctx context.Context, notifyFunc func(string, fs.EntryType), streamPosition string, processedEventIDs map[string]time.Time) (nextStreamPosition string, err error) {
-	nextStreamPosition = streamPosition
-
-	for {
-		limit := f.opt.ListChunk
-
-		// box only allows a max of 500 events
-		if limit > 500 {
-			limit = 500
-		}
-
-		opts := rest.Opts{
-			Method:     "GET",
-			Path:       "/events",
-			Parameters: fieldsValue(),
-		}
-		opts.Parameters.Set("stream_position", nextStreamPosition)
-		opts.Parameters.Set("stream_type", "changes")
-		opts.Parameters.Set("limit", strconv.Itoa(limit))
-
-		var result api.Events
-		var resp *http.Response
-		fs.Debugf(f, "Checking for changes on remote (next_stream_position: %q)", nextStreamPosition)
-		err = f.pacer.Call(func() (bool, error) {
-			resp, err = f.srv.CallJSON(ctx, &opts, nil, &result)
-			return shouldRetry(ctx, resp, err)
-		})
-		if err != nil {
-			return "", err
-		}
-
-		if result.ChunkSize != int64(len(result.Entries)) {
-			return "", fmt.Errorf("invalid response to event request, chunk_size (%v) not equal to number of entries (%v)", result.ChunkSize, len(result.Entries))
-		}
-
-		nextStreamPosition = strconv.FormatInt(result.NextStreamPosition, 10)
-		if result.ChunkSize == 0 {
-			return nextStreamPosition, nil
-		}
-
-		type pathToClear struct {
-			path      string
-			entryType fs.EntryType
-		}
-		var pathsToClear []pathToClear
-		newEventIDs := 0
-		for _, entry := range result.Entries {
-			eventDetails := fmt.Sprintf("[%q(%d)|%s|%s|%s|%s]", entry.Source.Name, entry.Source.SequenceID,
-				entry.Source.Type, entry.EventType, entry.Source.ID, entry.EventID)
-
-			if entry.EventID == "" {
-				fs.Debugf(f, "%s ignored due to missing EventID", eventDetails)
-				continue
-			}
-			if _, ok := processedEventIDs[entry.EventID]; ok {
-				fs.Debugf(f, "%s ignored due to duplicate EventID", eventDetails)
-				continue
-			}
-			processedEventIDs[entry.EventID] = time.Now()
-			newEventIDs++
-
-			if entry.Source.ID == "" { // missing File or Folder ID
-				fs.Debugf(f, "%s ignored due to missing SourceID", eventDetails)
-				continue
-			}
-			if entry.Source.Type != api.ItemTypeFile && entry.Source.Type != api.ItemTypeFolder { // event is not for a file or folder
-				fs.Debugf(f, "%s ignored due to unsupported SourceType", eventDetails)
-				continue
-			}
-
-			// Only interested in event types that result in a file tree change
-			if _, found := api.FileTreeChangeEventTypes[entry.EventType]; !found {
-				fs.Debugf(f, "%s ignored due to unsupported EventType", eventDetails)
-				continue
-			}
-
-			f.itemMetaCacheMu.Lock()
-			itemMeta, cachedItemMetaFound := f.itemMetaCache[entry.Source.ID]
-			if cachedItemMetaFound {
-				if itemMeta.SequenceID >= entry.Source.SequenceID {
-					// Item in the cache has the same or newer SequenceID than
-					// this event. Ignore this event, it must be old.
-					f.itemMetaCacheMu.Unlock()
-					fs.Debugf(f, "%s ignored due to old SequenceID (%q)", eventDetails, itemMeta.SequenceID)
-					continue
-				}
-
-				// This event is newer. Delete its entry from the cache,
-				// we'll notify about its change below, then it's up to a
-				// future list operation to repopulate the cache.
-				delete(f.itemMetaCache, entry.Source.ID)
-			}
-			f.itemMetaCacheMu.Unlock()
-
-			entryType := fs.EntryDirectory
-			if entry.Source.Type == api.ItemTypeFile {
-				entryType = fs.EntryObject
-			}
-
-			// The box event only includes the new path for the object (e.g.
-			// the path after the object was moved). If there was an old path
-			// saved in our cache, it must be cleared.
-			if cachedItemMetaFound {
-				path := f.getFullPath(itemMeta.ParentID, itemMeta.Name)
-				if path != "" {
-					fs.Debugf(f, "%s added old path (%q) for notify", eventDetails, path)
-					pathsToClear = append(pathsToClear, pathToClear{path: path, entryType: entryType})
-				} else {
-					fs.Debugf(f, "%s old parent not cached", eventDetails)
-				}
-
-				// If this is a directory, also delete it from the dir cache.
-				// This will effectively invalidate the item metadata cache
-				// entries for all descendents of this directory, since we
-				// will no longer be able to construct a full path for them.
-				// This is exactly what we want, since we don't want to notify
-				// on the paths of these descendents if one of their ancestors
-				// has been renamed/deleted.
-				if entry.Source.Type == api.ItemTypeFolder {
-					f.dirCache.FlushDir(path)
-				}
-			}
-
-			// If the item is "active", then it is not trashed or deleted, so
-			// it potentially has a valid parent.
-			//
-			// Construct the new path of the object, based on the Parent ID
-			// and its name. If we get an empty result, it means we don't
-			// currently know about this object so notification is unnecessary.
-			if entry.Source.ItemStatus == api.ItemStatusActive {
-				path := f.getFullPath(entry.Source.Parent.ID, entry.Source.Name)
-				if path != "" {
-					fs.Debugf(f, "%s added new path (%q) for notify", eventDetails, path)
-					pathsToClear = append(pathsToClear, pathToClear{path: path, entryType: entryType})
-				} else {
-					fs.Debugf(f, "%s new parent not found", eventDetails)
-				}
-			}
-		}
-
-		// box can sometimes repeatedly return the same Event IDs within a
-		// short period of time. If it stops giving us new ones, treat it
-		// the same as if it returned us none at all.
-		if newEventIDs == 0 {
-			return nextStreamPosition, nil
-		}
-
-		notifiedPaths := make(map[string]bool)
-		for _, p := range pathsToClear {
-			if _, ok := notifiedPaths[p.path]; ok {
-				continue
-			}
-			notifiedPaths[p.path] = true
-			notifyFunc(p.path, p.entryType)
-		}
-		fs.Debugf(f, "Received %v events, resulting in %v paths and %v notifications", len(result.Entries), len(pathsToClear), len(notifiedPaths))
-	}
-}
-
 // DirCacheFlush resets the directory cache - used in testing as an
 // optional interface
 func (f *Fs) DirCacheFlush() {
--- a/backend/cache/cache.go
+++ b/backend/cache/cache.go
@@ -76,19 +76,17 @@ func init() {
 			Name: "plex_url",
 			Help: "The URL of the Plex server.",
 		}, {
-			Name:      "plex_username",
-			Help:      "The username of the Plex user.",
-			Sensitive: true,
+			Name: "plex_username",
+			Help: "The username of the Plex user.",
 		}, {
 			Name:       "plex_password",
 			Help:       "The password of the Plex user.",
 			IsPassword: true,
 		}, {
-			Name:      "plex_token",
-			Help:      "The plex token for authentication - auto set normally.",
-			Hide:      fs.OptionHideBoth,
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "plex_token",
+			Help:     "The plex token for authentication - auto set normally.",
+			Hide:     fs.OptionHideBoth,
+			Advanced: true,
 		}, {
 			Name:     "plex_insecure",
 			Help:     "Skip all certificate verification when connecting to the Plex server.",
@@ -1040,7 +1038,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 		}
 		fs.Debugf(dir, "list: remove entry: %v", entryRemote)
 	}
-	entries = nil //nolint:ineffassign
+	entries = nil

 	// and then iterate over the ones from source (temp Objects will override source ones)
 	var batchDirectories []*Directory
@@ -1789,7 +1787,7 @@ func (f *Fs) CleanUpCache(ignoreLastTs bool) {
 	}
 }

-// StopBackgroundRunners will signal all the runners to stop their work
+// StopBackgroundRunners will signall all the runners to stop their work
 // can be triggered from a terminate signal or from testing between runs
 func (f *Fs) StopBackgroundRunners() {
 	f.cleanupChan <- false
--- a/backend/cache/cache_internal_test.go
+++ b/backend/cache/cache_internal_test.go
@@ -101,12 +101,14 @@ func TestMain(m *testing.M) {

 func TestInternalListRootAndInnerRemotes(t *testing.T) {
 	id := fmt.Sprintf("tilrair%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	// Instantiate inner fs
 	innerFolder := "inner"
 	runInstance.mkdir(t, rootFs, innerFolder)
-	rootFs2, _ := runInstance.newCacheFs(t, remoteName, id+"/"+innerFolder, true, true, nil)
+	rootFs2, boltDb2 := runInstance.newCacheFs(t, remoteName, id+"/"+innerFolder, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs2, boltDb2)

 	runInstance.writeObjectString(t, rootFs2, "one", "content")
 	listRoot, err := runInstance.list(t, rootFs, "")
@@ -223,7 +225,8 @@ func TestInternalVfsCache(t *testing.T) {

 func TestInternalObjWrapFsFound(t *testing.T) {
 	id := fmt.Sprintf("tiowff%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -255,7 +258,8 @@ func TestInternalObjWrapFsFound(t *testing.T) {

 func TestInternalObjNotFound(t *testing.T) {
 	id := fmt.Sprintf("tionf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	obj, err := rootFs.NewObject(context.Background(), "404")
 	require.Error(t, err)
@@ -265,7 +269,8 @@ func TestInternalObjNotFound(t *testing.T) {
 func TestInternalCachedWrittenContentMatches(t *testing.T) {
 	testy.SkipUnreliable(t)
 	id := fmt.Sprintf("ticwcm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -292,7 +297,8 @@ func TestInternalDoubleWrittenContentMatches(t *testing.T) {
 		t.Skip("Skip test on windows/386")
 	}
 	id := fmt.Sprintf("tidwcm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	// write the object
 	runInstance.writeRemoteString(t, rootFs, "one", "one content")
@@ -310,7 +316,8 @@ func TestInternalDoubleWrittenContentMatches(t *testing.T) {
 func TestInternalCachedUpdatedContentMatches(t *testing.T) {
 	testy.SkipUnreliable(t)
 	id := fmt.Sprintf("ticucm%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	var err error

 	// create some rand test data
@@ -339,7 +346,8 @@ func TestInternalCachedUpdatedContentMatches(t *testing.T) {
 func TestInternalWrappedWrittenContentMatches(t *testing.T) {
 	id := fmt.Sprintf("tiwwcm%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if runInstance.rootIsCrypt {
 		t.Skip("test skipped with crypt remote")
 	}
@@ -369,7 +377,8 @@ func TestInternalWrappedWrittenContentMatches(t *testing.T) {
 func TestInternalLargeWrittenContentMatches(t *testing.T) {
 	id := fmt.Sprintf("tilwcm%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if runInstance.rootIsCrypt {
 		t.Skip("test skipped with crypt remote")
 	}
@@ -395,7 +404,8 @@ func TestInternalLargeWrittenContentMatches(t *testing.T) {

 func TestInternalWrappedFsChangeNotSeen(t *testing.T) {
 	id := fmt.Sprintf("tiwfcns%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -449,7 +459,8 @@ func TestInternalWrappedFsChangeNotSeen(t *testing.T) {

 func TestInternalMoveWithNotify(t *testing.T) {
 	id := fmt.Sprintf("timwn%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if !runInstance.wrappedIsExternal {
 		t.Skipf("Not external")
 	}
@@ -535,7 +546,8 @@ func TestInternalMoveWithNotify(t *testing.T) {

 func TestInternalNotifyCreatesEmptyParts(t *testing.T) {
 	id := fmt.Sprintf("tincep%v", time.Now().Unix())
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	if !runInstance.wrappedIsExternal {
 		t.Skipf("Not external")
 	}
@@ -621,7 +633,8 @@ func TestInternalNotifyCreatesEmptyParts(t *testing.T) {

 func TestInternalChangeSeenAfterDirCacheFlush(t *testing.T) {
 	id := fmt.Sprintf("ticsadcf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -653,7 +666,8 @@ func TestInternalChangeSeenAfterDirCacheFlush(t *testing.T) {

 func TestInternalCacheWrites(t *testing.T) {
 	id := "ticw"
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"writes": "true"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, map[string]string{"writes": "true"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -674,7 +688,8 @@ func TestInternalMaxChunkSizeRespected(t *testing.T) {
 		t.Skip("Skip test on windows/386")
 	}
 	id := fmt.Sprintf("timcsr%v", time.Now().Unix())
-	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"workers": "1"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil, map[string]string{"workers": "1"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)
@@ -709,7 +724,8 @@ func TestInternalMaxChunkSizeRespected(t *testing.T) {
 func TestInternalExpiredEntriesRemoved(t *testing.T) {
 	id := fmt.Sprintf("tieer%v", time.Now().Unix())
 	vfsflags.Opt.DirCacheTime = time.Second * 4 // needs to be lower than the defined
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true, nil)
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true, map[string]string{"info_age": "5s"}, nil)
+	defer runInstance.cleanupFs(t, rootFs, boltDb)
 	cfs, err := runInstance.getCacheFs(rootFs)
 	require.NoError(t, err)

@@ -746,7 +762,9 @@ func TestInternalBug2117(t *testing.T) {
 	vfsflags.Opt.DirCacheTime = time.Second * 10

 	id := fmt.Sprintf("tib2117%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, false, true, map[string]string{"info_age": "72h", "chunk_clean_interval": "15m"})
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true, nil,
+		map[string]string{"info_age": "72h", "chunk_clean_interval": "15m"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	if runInstance.rootIsCrypt {
 		t.Skipf("skipping crypt")
@@ -847,7 +865,7 @@ func (r *run) encryptRemoteIfNeeded(t *testing.T, remote string) string {
 	return enc
 }

-func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool, flags map[string]string) (fs.Fs, *cache.Persistent) {
+func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool, cfg map[string]string, flags map[string]string) (fs.Fs, *cache.Persistent) {
 	fstest.Initialise()
 	remoteExists := false
 	for _, s := range config.FileSections() {
@@ -940,15 +958,10 @@ func (r *run) newCacheFs(t *testing.T, remote, id string, needRemote, purge bool
 	}
 	err = f.Mkdir(context.Background(), "")
 	require.NoError(t, err)
-
-	t.Cleanup(func() {
-		runInstance.cleanupFs(t, f)
-	})
-
 	return f, boltDb
 }

-func (r *run) cleanupFs(t *testing.T, f fs.Fs) {
+func (r *run) cleanupFs(t *testing.T, f fs.Fs, b *cache.Persistent) {
 	err := f.Features().Purge(context.Background(), "")
 	require.NoError(t, err)
 	cfs, err := r.getCacheFs(f)
@@ -1098,6 +1111,27 @@ func (r *run) list(t *testing.T, f fs.Fs, remote string) ([]interface{}, error)
 	return l, err
 }

+func (r *run) copyFile(t *testing.T, f fs.Fs, src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = in.Close()
+	}()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = out.Close()
+	}()
+
+	_, err = io.Copy(out, in)
+	return err
+}
+
 func (r *run) dirMove(t *testing.T, rootFs fs.Fs, src, dst string) error {
 	var err error

--- a/backend/cache/cache_test.go
+++ b/backend/cache/cache_test.go
@@ -18,7 +18,7 @@ func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:                   "TestCache:",
 		NilObject:                    (*cache.Object)(nil),
-		UnimplementableFsMethods:     []string{"PublicLink", "OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"PublicLink", "OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType", "ID", "GetTier", "SetTier", "Metadata"},
 		SkipInvalidUTF8:              true, // invalid UTF-8 confuses the cache
 	})
--- a/backend/cache/cache_upload_test.go
+++ b/backend/cache/cache_upload_test.go
@@ -21,8 +21,10 @@ import (

 func TestInternalUploadTempDirCreated(t *testing.T) {
 	id := fmt.Sprintf("tiutdc%v", time.Now().Unix())
-	runInstance.newCacheFs(t, remoteName, id, false, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, false, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id)})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	_, err := os.Stat(path.Join(runInstance.tmpUploadDir, id))
 	require.NoError(t, err)
@@ -61,7 +63,9 @@ func testInternalUploadQueueOneFile(t *testing.T, id string, rootFs fs.Fs, boltD
 func TestInternalUploadQueueOneFileNoRest(t *testing.T) {
 	id := fmt.Sprintf("tiuqofnr%v", time.Now().Unix())
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "0s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	testInternalUploadQueueOneFile(t, id, rootFs, boltDb)
 }
@@ -69,15 +73,19 @@ func TestInternalUploadQueueOneFileNoRest(t *testing.T) {
 func TestInternalUploadQueueOneFileWithRest(t *testing.T) {
 	id := fmt.Sprintf("tiuqofwr%v", time.Now().Unix())
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1m"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	testInternalUploadQueueOneFile(t, id, rootFs, boltDb)
 }

 func TestInternalUploadMoveExistingFile(t *testing.T) {
 	id := fmt.Sprintf("tiumef%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "3s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "one")
 	require.NoError(t, err)
@@ -111,8 +119,10 @@ func TestInternalUploadMoveExistingFile(t *testing.T) {

 func TestInternalUploadTempPathCleaned(t *testing.T) {
 	id := fmt.Sprintf("tiutpc%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"cache-tmp-upload-path": path.Join(runInstance.tmpUploadDir, id), "cache-tmp-wait-time": "5s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "one")
 	require.NoError(t, err)
@@ -152,19 +162,21 @@ func TestInternalUploadTempPathCleaned(t *testing.T) {

 func TestInternalUploadQueueMoreFiles(t *testing.T) {
 	id := fmt.Sprintf("tiuqmf%v", time.Now().Unix())
-	rootFs, _ := runInstance.newCacheFs(t, remoteName, id, true, true,
+	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1s"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	err := rootFs.Mkdir(context.Background(), "test")
 	require.NoError(t, err)
 	minSize := 5242880
 	maxSize := 10485760
 	totalFiles := 10
-	randInstance := rand.New(rand.NewSource(time.Now().Unix()))
+	rand.Seed(time.Now().Unix())

 	lastFile := ""
 	for i := 0; i < totalFiles; i++ {
-		size := int64(randInstance.Intn(maxSize-minSize) + minSize)
+		size := int64(rand.Intn(maxSize-minSize) + minSize)
 		testReader := runInstance.randomReader(t, size)
 		remote := "test/" + strconv.Itoa(i) + ".bin"
 		runInstance.writeRemoteReader(t, rootFs, remote, testReader)
@@ -201,7 +213,9 @@ func TestInternalUploadQueueMoreFiles(t *testing.T) {
 func TestInternalUploadTempFileOperations(t *testing.T) {
 	id := "tiutfo"
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1h"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	boltDb.PurgeTempUploads()

@@ -329,7 +343,9 @@ func TestInternalUploadTempFileOperations(t *testing.T) {
 func TestInternalUploadUploadingFileOperations(t *testing.T) {
 	id := "tiuufo"
 	rootFs, boltDb := runInstance.newCacheFs(t, remoteName, id, true, true,
+		nil,
 		map[string]string{"tmp_upload_path": path.Join(runInstance.tmpUploadDir, id), "tmp_wait_time": "1h"})
+	defer runInstance.cleanupFs(t, rootFs, boltDb)

 	boltDb.PurgeTempUploads()

--- a/backend/chunker/chunker_test.go
+++ b/backend/chunker/chunker_test.go
@@ -40,7 +40,6 @@ func TestIntegration(t *testing.T) {
 		UnimplementableFsMethods: []string{
 			"PublicLink",
 			"OpenWriterAt",
-			"OpenChunkWriter",
 			"MergeDirs",
 			"DirCacheFlush",
 			"UserInfo",
--- a/backend/combine/combine.go
+++ b/backend/combine/combine.go
@@ -1,4 +1,4 @@
-// Package combine implements a backend to combine multiple remotes in a directory tree
+// Package combine implents a backend to combine multiple remotes in a directory tree
 package combine

 /*
@@ -233,7 +233,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	canMove := true
 	for _, u := range f.upstreams {
@@ -290,16 +289,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		}
 	}

-	// Enable CleanUp when any upstreams support it
-	if features.CleanUp == nil {
-		for _, u := range f.upstreams {
-			if u.f.Features().CleanUp != nil {
-				features.CleanUp = f.CleanUp
-				break
-			}
-		}
-	}
-
 	// Enable ChangeNotify when any upstreams support it
 	if features.ChangeNotify == nil {
 		for _, u := range f.upstreams {
@@ -310,9 +299,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (outFs fs
 		}
 	}

-	// show that we wrap other backends
-	features.Overlay = true
-
 	f.features = features

 	// Get common intersection of hashes
@@ -365,7 +351,7 @@ func (f *Fs) multithread(ctx context.Context, fn func(context.Context, *upstream
 	return g.Wait()
 }

-// join the elements together but unlike path.Join return empty string
+// join the elements together but unline path.Join return empty string
 func join(elem ...string) string {
 	result := path.Join(elem...)
 	if result == "." {
@@ -645,7 +631,7 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, stream bo
 	if err != nil {
 		return nil, err
 	}
-	uSrc := fs.NewOverrideRemote(src, uRemote)
+	uSrc := operations.NewOverrideRemote(src, uRemote)
 	var o fs.Object
 	if stream {
 		o, err = u.f.Features().PutStream(ctx, in, uSrc, options...)
@@ -901,100 +887,6 @@ func (f *Fs) Shutdown(ctx context.Context) error {
 	})
 }

-// PublicLink generates a public link to the remote path (usually readable by anyone)
-func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration, unlink bool) (string, error) {
-	u, uRemote, err := f.findUpstream(remote)
-	if err != nil {
-		return "", err
-	}
-	do := u.f.Features().PublicLink
-	if do == nil {
-		return "", fs.ErrorNotImplemented
-	}
-	return do(ctx, uRemote, expire, unlink)
-}
-
-// PutUnchecked in to the remote path with the modTime given of the given size
-//
-// May create the object even if it returns an error - if so
-// will return the object and the error, otherwise will return
-// nil and the error
-//
-// May create duplicates or return errors if src already
-// exists.
-func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
-	srcPath := src.Remote()
-	u, uRemote, err := f.findUpstream(srcPath)
-	if err != nil {
-		return nil, err
-	}
-	do := u.f.Features().PutUnchecked
-	if do == nil {
-		return nil, fs.ErrorNotImplemented
-	}
-	uSrc := fs.NewOverrideRemote(src, uRemote)
-	return do(ctx, in, uSrc, options...)
-}
-
-// MergeDirs merges the contents of all the directories passed
-// in into the first one and rmdirs the other directories.
-func (f *Fs) MergeDirs(ctx context.Context, dirs []fs.Directory) error {
-	if len(dirs) == 0 {
-		return nil
-	}
-	var (
-		u     *upstream
-		uDirs []fs.Directory
-	)
-	for _, dir := range dirs {
-		uNew, uDir, err := f.findUpstream(dir.Remote())
-		if err != nil {
-			return err
-		}
-		if u == nil {
-			u = uNew
-		} else if u != uNew {
-			return fmt.Errorf("can't merge directories from different upstreams")
-		}
-		uDirs = append(uDirs, fs.NewOverrideDirectory(dir, uDir))
-	}
-	do := u.f.Features().MergeDirs
-	if do == nil {
-		return fs.ErrorNotImplemented
-	}
-	return do(ctx, uDirs)
-}
-
-// CleanUp the trash in the Fs
-//
-// Implement this if you have a way of emptying the trash or
-// otherwise cleaning up old versions of files.
-func (f *Fs) CleanUp(ctx context.Context) error {
-	return f.multithread(ctx, func(ctx context.Context, u *upstream) error {
-		if do := u.f.Features().CleanUp; do != nil {
-			return do(ctx)
-		}
-		return nil
-	})
-}
-
-// OpenWriterAt opens with a handle for random access writes
-//
-// Pass in the remote desired and the size if known.
-//
-// It truncates any existing object
-func (f *Fs) OpenWriterAt(ctx context.Context, remote string, size int64) (fs.WriterAtCloser, error) {
-	u, uRemote, err := f.findUpstream(remote)
-	if err != nil {
-		return nil, err
-	}
-	do := u.f.Features().OpenWriterAt
-	if do == nil {
-		return nil, fs.ErrorNotImplemented
-	}
-	return do(ctx, uRemote, size)
-}
-
 // Object describes a wrapped Object
 //
 // This is a wrapped Object which knows its path prefix
@@ -1024,7 +916,7 @@ func (o *Object) String() string {
 func (o *Object) Remote() string {
 	newPath, err := o.u.pathAdjustment.do(o.Object.String())
 	if err != nil {
-		fs.Errorf(o.Object, "Bad object: %v", err)
+		fs.Errorf(o, "Bad object: %v", err)
 		return err.Error()
 	}
 	return newPath
@@ -1096,10 +988,5 @@ var (
 	_ fs.Abouter         = (*Fs)(nil)
 	_ fs.ListRer         = (*Fs)(nil)
 	_ fs.Shutdowner      = (*Fs)(nil)
-	_ fs.PublicLinker    = (*Fs)(nil)
-	_ fs.PutUncheckeder  = (*Fs)(nil)
-	_ fs.MergeDirser     = (*Fs)(nil)
-	_ fs.CleanUpper      = (*Fs)(nil)
-	_ fs.OpenWriterAter  = (*Fs)(nil)
 	_ fs.FullObject      = (*Object)(nil)
 )
--- a/backend/combine/combine_test.go
+++ b/backend/combine/combine_test.go
@@ -10,11 +10,6 @@ import (
 	"github.com/rclone/rclone/fstest/fstests"
 )

-var (
-	unimplementableFsMethods     = []string{"UnWrap", "WrapFs", "SetWrapper", "UserInfo", "Disconnect", "OpenChunkWriter"}
-	unimplementableObjectMethods = []string{}
-)
-
 // TestIntegration runs integration tests against the remote
 func TestIntegration(t *testing.T) {
 	if *fstest.RemoteName == "" {
@@ -22,8 +17,8 @@ func TestIntegration(t *testing.T) {
 	}
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:                   *fstest.RemoteName,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		UnimplementableFsMethods:     []string{"OpenWriterAt", "DuplicateFiles"},
+		UnimplementableObjectMethods: []string{"MimeType"},
 	})
 }

@@ -40,9 +35,7 @@ func TestLocal(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		QuickTestOK:                  true,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		QuickTestOK: true,
 	})
 }

@@ -58,9 +51,7 @@ func TestMemory(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		QuickTestOK:                  true,
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
+		QuickTestOK: true,
 	})
 }

@@ -77,8 +68,6 @@ func TestMixed(t *testing.T) {
 			{Name: name, Key: "type", Value: "combine"},
 			{Name: name, Key: "upstreams", Value: upstreams},
 		},
-		UnimplementableFsMethods:     unimplementableFsMethods,
-		UnimplementableObjectMethods: unimplementableObjectMethods,
 	})
 }

--- a/backend/compress/compress.go
+++ b/backend/compress/compress.go
@@ -186,7 +186,6 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f).Mask(ctx, wrappedFs).WrapsFs(f, wrappedFs)
 	// We support reading MIME types no matter the wrapped fs
 	f.features.ReadMimeType = true
@@ -257,16 +256,6 @@ func isMetadataFile(filename string) bool {
 	return strings.HasSuffix(filename, metaFileExt)
 }

-// Checks whether a file is a metadata file and returns the original
-// file name and a flag indicating whether it was a metadata file or
-// not.
-func unwrapMetadataFile(filename string) (string, bool) {
-	if !isMetadataFile(filename) {
-		return "", false
-	}
-	return filename[:len(filename)-len(metaFileExt)], true
-}
-
 // makeDataName generates the file name for a data file with specified compression mode
 func makeDataName(remote string, size int64, mode int) (newRemote string) {
 	if mode != Uncompressed {
@@ -989,8 +978,7 @@ func (f *Fs) ChangeNotify(ctx context.Context, notifyFunc func(string, fs.EntryT
 	wrappedNotifyFunc := func(path string, entryType fs.EntryType) {
 		fs.Logf(f, "path %q entryType %d", path, entryType)
 		var (
-			wrappedPath    string
-			isMetadataFile bool
+			wrappedPath string
 		)
 		switch entryType {
 		case fs.EntryDirectory:
@@ -998,10 +986,7 @@ func (f *Fs) ChangeNotify(ctx context.Context, notifyFunc func(string, fs.EntryT
 		case fs.EntryObject:
 			// Note: All we really need to do to monitor the object is to check whether the metadata changed,
 			// as the metadata contains the hash. This will work unless there's a hash collision and the sizes stay the same.
-			wrappedPath, isMetadataFile = unwrapMetadataFile(path)
-			if !isMetadataFile {
-				return
-			}
+			wrappedPath = makeMetadataName(path)
 		default:
 			fs.Errorf(path, "press ChangeNotify: ignoring unknown EntryType %d", entryType)
 			return
--- a/backend/compress/compress_test.go
+++ b/backend/compress/compress_test.go
@@ -14,26 +14,23 @@ import (
 	"github.com/rclone/rclone/fstest/fstests"
 )

-var defaultOpt = fstests.Opt{
-	RemoteName: "TestCompress:",
-	NilObject:  (*Object)(nil),
-	UnimplementableFsMethods: []string{
-		"OpenWriterAt",
-		"OpenChunkWriter",
-		"MergeDirs",
-		"DirCacheFlush",
-		"PutUnchecked",
-		"PutStream",
-		"UserInfo",
-		"Disconnect",
-	},
-	TiersToTest:                  []string{"STANDARD", "STANDARD_IA"},
-	UnimplementableObjectMethods: []string{},
-}
-
 // TestIntegration runs integration tests against the remote
 func TestIntegration(t *testing.T) {
-	fstests.Run(t, &defaultOpt)
+	opt := fstests.Opt{
+		RemoteName: *fstest.RemoteName,
+		NilObject:  (*Object)(nil),
+		UnimplementableFsMethods: []string{
+			"OpenWriterAt",
+			"MergeDirs",
+			"DirCacheFlush",
+			"PutUnchecked",
+			"PutStream",
+			"UserInfo",
+			"Disconnect",
+		},
+		TiersToTest:                  []string{"STANDARD", "STANDARD_IA"},
+		UnimplementableObjectMethods: []string{}}
+	fstests.Run(t, &opt)
 }

 // TestRemoteGzip tests GZIP compression
@@ -43,13 +40,27 @@ func TestRemoteGzip(t *testing.T) {
 	}
 	tempdir := filepath.Join(os.TempDir(), "rclone-compress-test-gzip")
 	name := "TestCompressGzip"
-	opt := defaultOpt
-	opt.RemoteName = name + ":"
-	opt.ExtraConfig = []fstests.ExtraConfigItem{
-		{Name: name, Key: "type", Value: "compress"},
-		{Name: name, Key: "remote", Value: tempdir},
-		{Name: name, Key: "compression_mode", Value: "gzip"},
-	}
-	opt.QuickTestOK = true
-	fstests.Run(t, &opt)
+	fstests.Run(t, &fstests.Opt{
+		RemoteName: name + ":",
+		NilObject:  (*Object)(nil),
+		UnimplementableFsMethods: []string{
+			"OpenWriterAt",
+			"MergeDirs",
+			"DirCacheFlush",
+			"PutUnchecked",
+			"PutStream",
+			"UserInfo",
+			"Disconnect",
+		},
+		UnimplementableObjectMethods: []string{
+			"GetTier",
+			"SetTier",
+		},
+		ExtraConfig: []fstests.ExtraConfigItem{
+			{Name: name, Key: "type", Value: "compress"},
+			{Name: name, Key: "remote", Value: tempdir},
+			{Name: name, Key: "compression_mode", Value: "gzip"},
+		},
+		QuickTestOK: true,
+	})
 }
--- a/backend/crypt/cipher.go
+++ b/backend/crypt/cipher.go
@@ -21,7 +21,6 @@ import (
 	"github.com/rclone/rclone/backend/crypt/pkcs7"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/accounting"
-	"github.com/rclone/rclone/lib/readers"
 	"github.com/rclone/rclone/lib/version"
 	"github.com/rfjakob/eme"
 	"golang.org/x/crypto/nacl/secretbox"
@@ -38,6 +37,7 @@ const (
 	blockHeaderSize     = secretbox.Overhead
 	blockDataSize       = 64 * 1024
 	blockSize           = blockHeaderSize + blockDataSize
+	encryptedSuffix     = ".bin" // when file name encryption is off we add this suffix to make sure the cloud provider doesn't process the file
 )

 // Errors returned by cipher
@@ -53,9 +53,8 @@ var (
 	ErrorEncryptedBadBlock       = errors.New("failed to authenticate decrypted block - bad password?")
 	ErrorBadBase32Encoding       = errors.New("bad base32 filename encoding")
 	ErrorFileClosed              = errors.New("file already closed")
-	ErrorNotAnEncryptedFile      = errors.New("not an encrypted file - does not match suffix")
+	ErrorNotAnEncryptedFile      = errors.New("not an encrypted file - no \"" + encryptedSuffix + "\" suffix")
 	ErrorBadSeek                 = errors.New("Seek beyond end of file")
-	ErrorSuffixMissingDot        = errors.New("suffix config setting should include a '.'")
 	defaultSalt                  = []byte{0xA8, 0x0D, 0xF4, 0x3A, 0x8F, 0xBD, 0x03, 0x08, 0xA7, 0xCA, 0xB8, 0x3E, 0x58, 0x1F, 0x86, 0xB1}
 	obfuscQuoteRune              = '!'
 )
@@ -170,30 +169,27 @@ func NewNameEncoding(s string) (enc fileNameEncoding, err error) {

 // Cipher defines an encoding and decoding cipher for the crypt backend
 type Cipher struct {
-	dataKey         [32]byte                  // Key for secretbox
-	nameKey         [32]byte                  // 16,24 or 32 bytes
-	nameTweak       [nameCipherBlockSize]byte // used to tweak the name crypto
-	block           gocipher.Block
-	mode            NameEncryptionMode
-	fileNameEnc     fileNameEncoding
-	buffers         sync.Pool // encrypt/decrypt buffers
-	cryptoRand      io.Reader // read crypto random numbers from here
-	dirNameEncrypt  bool
-	passBadBlocks   bool // if set passed bad blocks as zeroed blocks
-	encryptedSuffix string
+	dataKey        [32]byte                  // Key for secretbox
+	nameKey        [32]byte                  // 16,24 or 32 bytes
+	nameTweak      [nameCipherBlockSize]byte // used to tweak the name crypto
+	block          gocipher.Block
+	mode           NameEncryptionMode
+	fileNameEnc    fileNameEncoding
+	buffers        sync.Pool // encrypt/decrypt buffers
+	cryptoRand     io.Reader // read crypto random numbers from here
+	dirNameEncrypt bool
 }

 // newCipher initialises the cipher.  If salt is "" then it uses a built in salt val
 func newCipher(mode NameEncryptionMode, password, salt string, dirNameEncrypt bool, enc fileNameEncoding) (*Cipher, error) {
 	c := &Cipher{
-		mode:            mode,
-		fileNameEnc:     enc,
-		cryptoRand:      rand.Reader,
-		dirNameEncrypt:  dirNameEncrypt,
-		encryptedSuffix: ".bin",
+		mode:           mode,
+		fileNameEnc:    enc,
+		cryptoRand:     rand.Reader,
+		dirNameEncrypt: dirNameEncrypt,
 	}
 	c.buffers.New = func() interface{} {
-		return new([blockSize]byte)
+		return make([]byte, blockSize)
 	}
 	err := c.Key(password, salt)
 	if err != nil {
@@ -202,29 +198,11 @@ func newCipher(mode NameEncryptionMode, password, salt string, dirNameEncrypt bo
 	return c, nil
 }

-// setEncryptedSuffix set suffix, or an empty string
-func (c *Cipher) setEncryptedSuffix(suffix string) {
-	if strings.EqualFold(suffix, "none") {
-		c.encryptedSuffix = ""
-		return
-	}
-	if !strings.HasPrefix(suffix, ".") {
-		fs.Errorf(nil, "crypt: bad suffix: %v", ErrorSuffixMissingDot)
-		suffix = "." + suffix
-	}
-	c.encryptedSuffix = suffix
-}
-
-// Call to set bad block pass through
-func (c *Cipher) setPassBadBlocks(passBadBlocks bool) {
-	c.passBadBlocks = passBadBlocks
-}
-
 // Key creates all the internal keys from the password passed in using
 // scrypt.
 //
 // If salt is "" we use a fixed salt just to make attackers lives
-// slightly harder than using no salt.
+// slighty harder than using no salt.
 //
 // Note that empty password makes all 0x00 keys which is used in the
 // tests.
@@ -252,12 +230,15 @@ func (c *Cipher) Key(password, salt string) (err error) {
 }

 // getBlock gets a block from the pool of size blockSize
-func (c *Cipher) getBlock() *[blockSize]byte {
-	return c.buffers.Get().(*[blockSize]byte)
+func (c *Cipher) getBlock() []byte {
+	return c.buffers.Get().([]byte)
 }

 // putBlock returns a block to the pool of size blockSize
-func (c *Cipher) putBlock(buf *[blockSize]byte) {
+func (c *Cipher) putBlock(buf []byte) {
+	if len(buf) != blockSize {
+		panic("bad blocksize returned to pool")
+	}
 	c.buffers.Put(buf)
 }

@@ -527,7 +508,7 @@ func (c *Cipher) encryptFileName(in string) string {
 // EncryptFileName encrypts a file path
 func (c *Cipher) EncryptFileName(in string) string {
 	if c.mode == NameEncryptionOff {
-		return in + c.encryptedSuffix
+		return in + encryptedSuffix
 	}
 	return c.encryptFileName(in)
 }
@@ -587,8 +568,8 @@ func (c *Cipher) decryptFileName(in string) (string, error) {
 // DecryptFileName decrypts a file path
 func (c *Cipher) DecryptFileName(in string) (string, error) {
 	if c.mode == NameEncryptionOff {
-		remainingLength := len(in) - len(c.encryptedSuffix)
-		if remainingLength == 0 || !strings.HasSuffix(in, c.encryptedSuffix) {
+		remainingLength := len(in) - len(encryptedSuffix)
+		if remainingLength == 0 || !strings.HasSuffix(in, encryptedSuffix) {
 			return "", ErrorNotAnEncryptedFile
 		}
 		decrypted := in[:remainingLength]
@@ -628,7 +609,7 @@ func (n *nonce) pointer() *[fileNonceSize]byte {
 // fromReader fills the nonce from an io.Reader - normally the OSes
 // crypto random number generator
 func (n *nonce) fromReader(in io.Reader) error {
-	read, err := readers.ReadFill(in, (*n)[:])
+	read, err := io.ReadFull(in, (*n)[:])
 	if read != fileNonceSize {
 		return fmt.Errorf("short read of nonce: %w", err)
 	}
@@ -683,8 +664,8 @@ type encrypter struct {
 	in       io.Reader
 	c        *Cipher
 	nonce    nonce
-	buf      *[blockSize]byte
-	readBuf  *[blockSize]byte
+	buf      []byte
+	readBuf  []byte
 	bufIndex int
 	bufSize  int
 	err      error
@@ -709,9 +690,9 @@ func (c *Cipher) newEncrypter(in io.Reader, nonce *nonce) (*encrypter, error) {
 		}
 	}
 	// Copy magic into buffer
-	copy((*fh.buf)[:], fileMagicBytes)
+	copy(fh.buf, fileMagicBytes)
 	// Copy nonce into buffer
-	copy((*fh.buf)[fileMagicSize:], fh.nonce[:])
+	copy(fh.buf[fileMagicSize:], fh.nonce[:])
 	return fh, nil
 }

@@ -726,20 +707,22 @@ func (fh *encrypter) Read(p []byte) (n int, err error) {
 	if fh.bufIndex >= fh.bufSize {
 		// Read data
 		// FIXME should overlap the reads with a go-routine and 2 buffers?
-		readBuf := (*fh.readBuf)[:blockDataSize]
-		n, err = readers.ReadFill(fh.in, readBuf)
+		readBuf := fh.readBuf[:blockDataSize]
+		n, err = io.ReadFull(fh.in, readBuf)
 		if n == 0 {
+			// err can't be nil since:
+			// n == len(buf) if and only if err == nil.
 			return fh.finish(err)
 		}
 		// possibly err != nil here, but we will process the
-		// data and the next call to ReadFill will return 0, err
+		// data and the next call to ReadFull will return 0, err
 		// Encrypt the block using the nonce
-		secretbox.Seal((*fh.buf)[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
+		secretbox.Seal(fh.buf[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
 		fh.bufIndex = 0
 		fh.bufSize = blockHeaderSize + n
 		fh.nonce.increment()
 	}
-	n = copy(p, (*fh.buf)[fh.bufIndex:fh.bufSize])
+	n = copy(p, fh.buf[fh.bufIndex:fh.bufSize])
 	fh.bufIndex += n
 	return n, nil
 }
@@ -780,8 +763,8 @@ type decrypter struct {
 	nonce        nonce
 	initialNonce nonce
 	c            *Cipher
-	buf          *[blockSize]byte
-	readBuf      *[blockSize]byte
+	buf          []byte
+	readBuf      []byte
 	bufIndex     int
 	bufSize      int
 	err          error
@@ -799,12 +782,12 @@ func (c *Cipher) newDecrypter(rc io.ReadCloser) (*decrypter, error) {
 		limit:   -1,
 	}
 	// Read file header (magic + nonce)
-	readBuf := (*fh.readBuf)[:fileHeaderSize]
-	n, err := readers.ReadFill(fh.rc, readBuf)
-	if n < fileHeaderSize && err == io.EOF {
+	readBuf := fh.readBuf[:fileHeaderSize]
+	_, err := io.ReadFull(fh.rc, readBuf)
+	if err == io.EOF || err == io.ErrUnexpectedEOF {
 		// This read from 0..fileHeaderSize-1 bytes
 		return nil, fh.finishAndClose(ErrorEncryptedFileTooShort)
-	} else if err != io.EOF && err != nil {
+	} else if err != nil {
 		return nil, fh.finishAndClose(err)
 	}
 	// check the magic
@@ -862,8 +845,10 @@ func (c *Cipher) newDecrypterSeek(ctx context.Context, open OpenRangeSeek, offse
 func (fh *decrypter) fillBuffer() (err error) {
 	// FIXME should overlap the reads with a go-routine and 2 buffers?
 	readBuf := fh.readBuf
-	n, err := readers.ReadFill(fh.rc, (*readBuf)[:])
+	n, err := io.ReadFull(fh.rc, readBuf)
 	if n == 0 {
+		// err can't be nil since:
+		// n == len(buf) if and only if err == nil.
 		return err
 	}
 	// possibly err != nil here, but we will process the data and
@@ -871,25 +856,18 @@ func (fh *decrypter) fillBuffer() (err error) {

 	// Check header + 1 byte exists
 	if n <= blockHeaderSize {
-		if err != nil && err != io.EOF {
+		if err != nil {
 			return err // return pending error as it is likely more accurate
 		}
 		return ErrorEncryptedFileBadHeader
 	}
 	// Decrypt the block using the nonce
-	_, ok := secretbox.Open((*fh.buf)[:0], (*readBuf)[:n], fh.nonce.pointer(), &fh.c.dataKey)
+	_, ok := secretbox.Open(fh.buf[:0], readBuf[:n], fh.nonce.pointer(), &fh.c.dataKey)
 	if !ok {
-		if err != nil && err != io.EOF {
+		if err != nil {
 			return err // return pending error as it is likely more accurate
 		}
-		if !fh.c.passBadBlocks {
-			return ErrorEncryptedBadBlock
-		}
-		fs.Errorf(nil, "crypt: ignoring: %v", ErrorEncryptedBadBlock)
-		// Zero out the bad block and continue
-		for i := range (*fh.buf)[:n] {
-			(*fh.buf)[i] = 0
-		}
+		return ErrorEncryptedBadBlock
 	}
 	fh.bufIndex = 0
 	fh.bufSize = n - blockHeaderSize
@@ -915,7 +893,7 @@ func (fh *decrypter) Read(p []byte) (n int, err error) {
 	if fh.limit >= 0 && fh.limit < int64(toCopy) {
 		toCopy = int(fh.limit)
 	}
-	n = copy(p, (*fh.buf)[fh.bufIndex:fh.bufIndex+toCopy])
+	n = copy(p, fh.buf[fh.bufIndex:fh.bufIndex+toCopy])
 	fh.bufIndex += n
 	if fh.limit >= 0 {
 		fh.limit -= int64(n)
@@ -926,8 +904,9 @@ func (fh *decrypter) Read(p []byte) (n int, err error) {
 	return n, nil
 }

-// calculateUnderlying converts an (offset, limit) in an encrypted file
-// into an (underlyingOffset, underlyingLimit) for the underlying file.
+// calculateUnderlying converts an (offset, limit) in a crypted file
+// into an (underlyingOffset, underlyingLimit) for the underlying
+// file.
 //
 // It also returns number of bytes to discard after reading the first
 // block and number of blocks this is from the start so the nonce can
--- a/backend/crypt/cipher_test.go
+++ b/backend/crypt/cipher_test.go
@@ -27,14 +27,14 @@ func TestNewNameEncryptionMode(t *testing.T) {
 		{"off", NameEncryptionOff, ""},
 		{"standard", NameEncryptionStandard, ""},
 		{"obfuscate", NameEncryptionObfuscated, ""},
-		{"potato", NameEncryptionOff, "unknown file name encryption mode \"potato\""},
+		{"potato", NameEncryptionOff, "Unknown file name encryption mode \"potato\""},
 	} {
 		actual, actualErr := NewNameEncryptionMode(test.in)
 		assert.Equal(t, actual, test.expected)
 		if test.expectedErr == "" {
 			assert.NoError(t, actualErr)
 		} else {
-			assert.EqualError(t, actualErr, test.expectedErr)
+			assert.Error(t, actualErr, test.expectedErr)
 		}
 	}
 }
@@ -405,13 +405,6 @@ func TestNonStandardEncryptFileName(t *testing.T) {
 	// Off mode
 	c, _ := newCipher(NameEncryptionOff, "", "", true, nil)
 	assert.Equal(t, "1/12/123.bin", c.EncryptFileName("1/12/123"))
-	// Off mode with custom suffix
-	c, _ = newCipher(NameEncryptionOff, "", "", true, nil)
-	c.setEncryptedSuffix(".jpg")
-	assert.Equal(t, "1/12/123.jpg", c.EncryptFileName("1/12/123"))
-	// Off mode with empty suffix
-	c.setEncryptedSuffix("none")
-	assert.Equal(t, "1/12/123", c.EncryptFileName("1/12/123"))
 	// Obfuscation mode
 	c, _ = newCipher(NameEncryptionObfuscated, "", "", true, nil)
 	assert.Equal(t, "49.6/99.23/150.890/53.!!lipps", c.EncryptFileName("1/12/123/!hello"))
@@ -490,27 +483,21 @@ func TestNonStandardDecryptFileName(t *testing.T) {
 			in             string
 			expected       string
 			expectedErr    error
-			customSuffix   string
 		}{
-			{NameEncryptionOff, true, "1/12/123.bin", "1/12/123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123.bix", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionOff, true, ".bin", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionOff, true, "1/12/123-v2001-02-03-040506-123.bin", "1/12/123-v2001-02-03-040506-123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123", nil, ""},
-			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt", nil, ""},
-			{NameEncryptionOff, true, "1/12/123.jpg", "1/12/123", nil, ".jpg"},
-			{NameEncryptionOff, true, "1/12/123", "1/12/123", nil, "none"},
-			{NameEncryptionObfuscated, true, "!.hello", "hello", nil, ""},
-			{NameEncryptionObfuscated, true, "hello", "", ErrorNotAnEncryptedFile, ""},
-			{NameEncryptionObfuscated, true, "161.\u00e4", "\u00a1", nil, ""},
-			{NameEncryptionObfuscated, true, "160.\u03c2", "\u03a0", nil, ""},
-			{NameEncryptionObfuscated, false, "1/12/123/53.!!lipps", "1/12/123/!hello", nil, ""},
-			{NameEncryptionObfuscated, false, "1/12/123/53-v2001-02-03-040506-123.!!lipps", "1/12/123/!hello-v2001-02-03-040506-123", nil, ""},
+			{NameEncryptionOff, true, "1/12/123.bin", "1/12/123", nil},
+			{NameEncryptionOff, true, "1/12/123.bix", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionOff, true, ".bin", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionOff, true, "1/12/123-v2001-02-03-040506-123.bin", "1/12/123-v2001-02-03-040506-123", nil},
+			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123", nil},
+			{NameEncryptionOff, true, "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt.bin", "1/12/123-v1970-01-01-010101-123-v2001-02-03-040506-123.txt", nil},
+			{NameEncryptionObfuscated, true, "!.hello", "hello", nil},
+			{NameEncryptionObfuscated, true, "hello", "", ErrorNotAnEncryptedFile},
+			{NameEncryptionObfuscated, true, "161.\u00e4", "\u00a1", nil},
+			{NameEncryptionObfuscated, true, "160.\u03c2", "\u03a0", nil},
+			{NameEncryptionObfuscated, false, "1/12/123/53.!!lipps", "1/12/123/!hello", nil},
+			{NameEncryptionObfuscated, false, "1/12/123/53-v2001-02-03-040506-123.!!lipps", "1/12/123/!hello-v2001-02-03-040506-123", nil},
 		} {
 			c, _ := newCipher(test.mode, "", "", test.dirNameEncrypt, enc)
-			if test.customSuffix != "" {
-				c.setEncryptedSuffix(test.customSuffix)
-			}
 			actual, actualErr := c.DecryptFileName(test.in)
 			what := fmt.Sprintf("Testing %q (mode=%v)", test.in, test.mode)
 			assert.Equal(t, test.expected, actual, what)
@@ -739,7 +726,7 @@ func TestNonceFromReader(t *testing.T) {
 	assert.Equal(t, nonce{'1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o'}, x)
 	buf = bytes.NewBufferString("123456789abcdefghijklmn")
 	err = x.fromReader(buf)
-	assert.EqualError(t, err, "short read of nonce: EOF")
+	assert.Error(t, err, "short read of nonce")
 }

 func TestNonceFromBuf(t *testing.T) {
@@ -1063,7 +1050,7 @@ func TestRandomSource(t *testing.T) {
 	_, _ = source.Read(buf)
 	sink = newRandomSource(1e8)
 	_, err = io.Copy(sink, source)
-	assert.EqualError(t, err, "Error in stream at 1")
+	assert.Error(t, err, "Error in stream")
 }

 type zeroes struct{}
@@ -1180,13 +1167,13 @@ func TestNewEncrypter(t *testing.T) {
 	fh, err := c.newEncrypter(z, nil)
 	assert.NoError(t, err)
 	assert.Equal(t, nonce{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, fh.nonce)
-	assert.Equal(t, []byte{'R', 'C', 'L', 'O', 'N', 'E', 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, (*fh.buf)[:32])
+	assert.Equal(t, []byte{'R', 'C', 'L', 'O', 'N', 'E', 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}, fh.buf[:32])

 	// Test error path
 	c.cryptoRand = bytes.NewBufferString("123456789abcdefghijklmn")
 	fh, err = c.newEncrypter(z, nil)
 	assert.Nil(t, fh)
-	assert.EqualError(t, err, "short read of nonce: EOF")
+	assert.Error(t, err, "short read of nonce")
 }

 // Test the stream returning 0, io.ErrUnexpectedEOF - this used to
@@ -1237,7 +1224,7 @@ func TestNewDecrypter(t *testing.T) {
 		cd := newCloseDetector(bytes.NewBuffer(file0[:i]))
 		fh, err = c.newDecrypter(cd)
 		assert.Nil(t, fh)
-		assert.EqualError(t, err, ErrorEncryptedFileTooShort.Error())
+		assert.Error(t, err, ErrorEncryptedFileTooShort.Error())
 		assert.Equal(t, 1, cd.closed)
 	}

@@ -1245,7 +1232,7 @@ func TestNewDecrypter(t *testing.T) {
 	cd = newCloseDetector(er)
 	fh, err = c.newDecrypter(cd)
 	assert.Nil(t, fh)
-	assert.EqualError(t, err, "potato")
+	assert.Error(t, err, "potato")
 	assert.Equal(t, 1, cd.closed)

 	// bad magic
@@ -1256,7 +1243,7 @@ func TestNewDecrypter(t *testing.T) {
 		cd := newCloseDetector(bytes.NewBuffer(file0copy))
 		fh, err := c.newDecrypter(cd)
 		assert.Nil(t, fh)
-		assert.EqualError(t, err, ErrorEncryptedBadMagic.Error())
+		assert.Error(t, err, ErrorEncryptedBadMagic.Error())
 		file0copy[i] ^= 0x1
 		assert.Equal(t, 1, cd.closed)
 	}
@@ -1508,10 +1495,8 @@ func TestDecrypterRead(t *testing.T) {
 		case i == fileHeaderSize:
 			// This would normally produce an error *except* on the first block
 			expectedErr = nil
-		case i <= fileHeaderSize+blockHeaderSize:
-			expectedErr = ErrorEncryptedFileBadHeader
 		default:
-			expectedErr = ErrorEncryptedBadBlock
+			expectedErr = io.ErrUnexpectedEOF
 		}
 		if expectedErr != nil {
 			assert.EqualError(t, err, expectedErr.Error(), what)
@@ -1529,7 +1514,7 @@ func TestDecrypterRead(t *testing.T) {
 	fh, err := c.newDecrypter(cd)
 	assert.NoError(t, err)
 	_, err = io.ReadAll(fh)
-	assert.EqualError(t, err, "potato")
+	assert.Error(t, err, "potato")
 	assert.Equal(t, 0, cd.closed)

 	// Test corrupting the input
@@ -1540,26 +1525,15 @@ func TestDecrypterRead(t *testing.T) {
 		file16copy[i] ^= 0xFF
 		fh, err := c.newDecrypter(io.NopCloser(bytes.NewBuffer(file16copy)))
 		if i < fileMagicSize {
-			assert.EqualError(t, err, ErrorEncryptedBadMagic.Error())
+			assert.Error(t, err, ErrorEncryptedBadMagic.Error())
 			assert.Nil(t, fh)
 		} else {
 			assert.NoError(t, err)
 			_, err = io.ReadAll(fh)
-			assert.EqualError(t, err, ErrorEncryptedBadBlock.Error())
+			assert.Error(t, err, ErrorEncryptedFileBadHeader.Error())
 		}
 		file16copy[i] ^= 0xFF
 	}
-
-	// Test that we can corrupt a byte and read zeroes if
-	// passBadBlocks is set
-	copy(file16copy, file16)
-	file16copy[len(file16copy)-1] ^= 0xFF
-	c.passBadBlocks = true
-	fh, err = c.newDecrypter(io.NopCloser(bytes.NewBuffer(file16copy)))
-	assert.NoError(t, err)
-	buf, err := io.ReadAll(fh)
-	assert.NoError(t, err)
-	assert.Equal(t, make([]byte, 16), buf)
 }

 func TestDecrypterClose(t *testing.T) {
@@ -1580,7 +1554,7 @@ func TestDecrypterClose(t *testing.T) {

 	// double close
 	err = fh.Close()
-	assert.EqualError(t, err, ErrorFileClosed.Error())
+	assert.Error(t, err, ErrorFileClosed.Error())
 	assert.Equal(t, 1, cd.closed)

 	// try again reading the file this time
@@ -1607,6 +1581,8 @@ func TestPutGetBlock(t *testing.T) {
 	block := c.getBlock()
 	c.putBlock(block)
 	c.putBlock(block)
+
+	assert.Panics(t, func() { c.putBlock(block[:len(block)-1]) })
 }

 func TestKey(t *testing.T) {
--- a/backend/crypt/crypt.go
+++ b/backend/crypt/crypt.go
@@ -48,7 +48,7 @@ func init() {
 					Help:  "Very simple filename obfuscation.",
 				}, {
 					Value: "off",
-					Help:  "Don't encrypt the file names.\nAdds a \".bin\", or \"suffix\" extension only.",
+					Help:  "Don't encrypt the file names.\nAdds a \".bin\" extension only.",
 				},
 			},
 		}, {
@@ -79,9 +79,7 @@ NB If filename_encryption is "off" then this option will do nothing.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different crypt configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different crypt configs.

 Normally this option is not what you want, but if you have two crypts
 pointing to the same backend you can use it.
@@ -121,15 +119,6 @@ names, or for debugging purposes.`,
 					Help:  "Encrypt file data.",
 				},
 			},
-		}, {
-			Name: "pass_bad_blocks",
-			Help: `If set this will pass bad blocks through as all 0.
-
-This should not be set in normal operation, it should only be set if
-trying to recover an encrypted file with errors and it is desired to
-recover as much of the file as possible.`,
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name: "filename_encoding",
 			Help: `How to encode the encrypted filename to text string.
@@ -149,18 +138,10 @@ length and if it's case sensitive.`,
 				},
 				{
 					Value: "base32768",
-					Help:  "Encode using base32768. Suitable if your remote counts UTF-16 or\nUnicode codepoint instead of UTF-8 byte length. (Eg. Onedrive, Dropbox)",
+					Help:  "Encode using base32768. Suitable if your remote counts UTF-16 or\nUnicode codepoint instead of UTF-8 byte length. (Eg. Onedrive)",
 				},
 			},
 			Advanced: true,
-		}, {
-			Name: "suffix",
-			Help: `If this is set it will override the default suffix of ".bin".
-
-Setting suffix to "none" will result in an empty suffix. This may be useful 
-when the path length is critical.`,
-			Default:  ".bin",
-			Advanced: true,
 		}},
 	})
 }
@@ -193,8 +174,6 @@ func newCipherForConfig(opt *Options) (*Cipher, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed to make cipher: %w", err)
 	}
-	cipher.setEncryptedSuffix(opt.Suffix)
-	cipher.setPassBadBlocks(opt.PassBadBlocks)
 	return cipher, nil
 }

@@ -256,7 +235,7 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 	// the features here are ones we could support, and they are
 	// ANDed with the ones from wrappedFs
 	f.features = (&fs.Features{
-		CaseInsensitive:         !cipher.dirNameEncrypt || cipher.NameEncryptionMode() == NameEncryptionOff,
+		CaseInsensitive:         cipher.NameEncryptionMode() == NameEncryptionOff,
 		DuplicateFiles:          true,
 		ReadMimeType:            false, // MimeTypes not supported with crypt
 		WriteMimeType:           false,
@@ -268,7 +247,6 @@ func NewFs(ctx context.Context, name, rpath string, m configmap.Mapper) (fs.Fs,
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}).Fill(ctx, f).Mask(ctx, wrappedFs).WrapsFs(f, wrappedFs)

 	return f, err
@@ -284,9 +262,7 @@ type Options struct {
 	Password2               string `config:"password2"`
 	ServerSideAcrossConfigs bool   `config:"server_side_across_configs"`
 	ShowMapping             bool   `config:"show_mapping"`
-	PassBadBlocks           bool   `config:"pass_bad_blocks"`
 	FilenameEncoding        string `config:"filename_encoding"`
-	Suffix                  string `config:"suffix"`
 }

 // Fs represents a wrapped fs.Fs
@@ -420,8 +396,6 @@ type putFn func(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ..

 // put implements Put or PutStream
 func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options []fs.OpenOption, put putFn) (fs.Object, error) {
-	ci := fs.GetConfig(ctx)
-
 	if f.opt.NoDataEncryption {
 		o, err := put(ctx, in, f.newObjectInfo(src, nonce{}), options...)
 		if err == nil && o != nil {
@@ -439,9 +413,6 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options [
 	// Find a hash the destination supports to compute a hash of
 	// the encrypted data
 	ht := f.Fs.Hashes().GetOne()
-	if ci.IgnoreChecksum {
-		ht = hash.None
-	}
 	var hasher *hash.MultiHasher
 	if ht != hash.None {
 		hasher, err = hash.NewMultiHasherTypes(hash.NewHashSet(ht))
@@ -478,7 +449,7 @@ func (f *Fs) put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options [
 				if err != nil {
 					fs.Errorf(o, "Failed to remove corrupted object: %v", err)
 				}
-				return nil, fmt.Errorf("corrupted on transfer: %v encrypted hash differ src %q vs dst %q", ht, srcHash, dstHash)
+				return nil, fmt.Errorf("corrupted on transfer: %v crypted hash differ src %q vs dst %q", ht, srcHash, dstHash)
 			}
 			fs.Debugf(src, "%v = %s OK", ht, srcHash)
 		}
@@ -1076,11 +1047,10 @@ func (o *ObjectInfo) Hash(ctx context.Context, hash hash.Type) (string, error) {
 	// Get the underlying object if there is one
 	if srcObj, ok = o.ObjectInfo.(fs.Object); ok {
 		// Prefer direct interface assertion
-	} else if do, ok := o.ObjectInfo.(*fs.OverrideRemote); ok {
-		// Unwrap if it is an operations.OverrideRemote
+	} else if do, ok := o.ObjectInfo.(fs.ObjectUnWrapper); ok {
+		// Otherwise likely is an operations.OverrideRemote
 		srcObj = do.UnWrap()
 	} else {
-		// Otherwise don't unwrap any further
 		return "", nil
 	}
 	// if this is wrapping a local object then we work out the hash
--- a/backend/crypt/crypt_internal_test.go
+++ b/backend/crypt/crypt_internal_test.go
@@ -17,28 +17,41 @@ import (
 	"github.com/stretchr/testify/require"
 )

+type testWrapper struct {
+	fs.ObjectInfo
+}
+
+// UnWrap returns the Object that this Object is wrapping or nil if it
+// isn't wrapping anything
+func (o testWrapper) UnWrap() fs.Object {
+	if o, ok := o.ObjectInfo.(fs.Object); ok {
+		return o
+	}
+	return nil
+}
+
 // Create a temporary local fs to upload things from

-func makeTempLocalFs(t *testing.T) (localFs fs.Fs) {
+func makeTempLocalFs(t *testing.T) (localFs fs.Fs, cleanup func()) {
 	localFs, err := fs.TemporaryLocalFs(context.Background())
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	cleanup = func() {
 		require.NoError(t, localFs.Rmdir(context.Background(), ""))
-	})
-	return localFs
+	}
+	return localFs, cleanup
 }

 // Upload a file to a remote
-func uploadFile(t *testing.T, f fs.Fs, remote, contents string) (obj fs.Object) {
+func uploadFile(t *testing.T, f fs.Fs, remote, contents string) (obj fs.Object, cleanup func()) {
 	inBuf := bytes.NewBufferString(contents)
 	t1 := time.Date(2012, time.December, 17, 18, 32, 31, 0, time.UTC)
 	upSrc := object.NewStaticObjectInfo(remote, t1, int64(len(contents)), true, nil, nil)
 	obj, err := f.Put(context.Background(), inBuf, upSrc)
 	require.NoError(t, err)
-	t.Cleanup(func() {
+	cleanup = func() {
 		require.NoError(t, obj.Remove(context.Background()))
-	})
-	return obj
+	}
+	return obj, cleanup
 }

 // Test the ObjectInfo
@@ -52,9 +65,11 @@ func testObjectInfo(t *testing.T, f *Fs, wrap bool) {
 		path = "_wrap"
 	}

-	localFs := makeTempLocalFs(t)
+	localFs, cleanupLocalFs := makeTempLocalFs(t)
+	defer cleanupLocalFs()

-	obj := uploadFile(t, localFs, path, contents)
+	obj, cleanupObj := uploadFile(t, localFs, path, contents)
+	defer cleanupObj()

 	// encrypt the data
 	inBuf := bytes.NewBufferString(contents)
@@ -68,7 +83,7 @@ func testObjectInfo(t *testing.T, f *Fs, wrap bool) {
 	var oi fs.ObjectInfo = obj
 	if wrap {
 		// wrap the object in an fs.ObjectUnwrapper if required
-		oi = fs.NewOverrideRemote(oi, "new_remote")
+		oi = testWrapper{oi}
 	}

 	// wrap the object in a crypt for upload using the nonce we
@@ -101,13 +116,16 @@ func testComputeHash(t *testing.T, f *Fs) {
 		t.Skipf("%v: does not support hashes", f.Fs)
 	}

-	localFs := makeTempLocalFs(t)
+	localFs, cleanupLocalFs := makeTempLocalFs(t)
+	defer cleanupLocalFs()

 	// Upload a file to localFs as a test object
-	localObj := uploadFile(t, localFs, path, contents)
+	localObj, cleanupLocalObj := uploadFile(t, localFs, path, contents)
+	defer cleanupLocalObj()

 	// Upload the same data to the remote Fs also
-	remoteObj := uploadFile(t, f, path, contents)
+	remoteObj, cleanupRemoteObj := uploadFile(t, f, path, contents)
+	defer cleanupRemoteObj()

 	// Calculate the expected Hash of the remote object
 	computedHash, err := f.ComputeHash(ctx, remoteObj.(*Object), localObj, hashType)
--- a/backend/crypt/crypt_test.go
+++ b/backend/crypt/crypt_test.go
@@ -24,7 +24,7 @@ func TestIntegration(t *testing.T) {
 	fstests.Run(t, &fstests.Opt{
 		RemoteName:                   *fstest.RemoteName,
 		NilObject:                    (*crypt.Object)(nil),
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 	})
 }
@@ -45,7 +45,7 @@ func TestStandardBase32(t *testing.T) {
 			{Name: name, Key: "password", Value: obscure.MustObscure("potato")},
 			{Name: name, Key: "filename_encryption", Value: "standard"},
 		},
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
@@ -67,7 +67,7 @@ func TestStandardBase64(t *testing.T) {
 			{Name: name, Key: "filename_encryption", Value: "standard"},
 			{Name: name, Key: "filename_encoding", Value: "base64"},
 		},
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
@@ -89,7 +89,7 @@ func TestStandardBase32768(t *testing.T) {
 			{Name: name, Key: "filename_encryption", Value: "standard"},
 			{Name: name, Key: "filename_encoding", Value: "base32768"},
 		},
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
@@ -111,7 +111,7 @@ func TestOff(t *testing.T) {
 			{Name: name, Key: "password", Value: obscure.MustObscure("potato2")},
 			{Name: name, Key: "filename_encryption", Value: "off"},
 		},
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
@@ -137,7 +137,7 @@ func TestObfuscate(t *testing.T) {
 			{Name: name, Key: "filename_encryption", Value: "obfuscate"},
 		},
 		SkipBadWindowsCharacters:     true,
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
@@ -164,7 +164,7 @@ func TestNoDataObfuscate(t *testing.T) {
 			{Name: name, Key: "no_data_encryption", Value: "true"},
 		},
 		SkipBadWindowsCharacters:     true,
-		UnimplementableFsMethods:     []string{"OpenWriterAt", "OpenChunkWriter"},
+		UnimplementableFsMethods:     []string{"OpenWriterAt"},
 		UnimplementableObjectMethods: []string{"MimeType"},
 		QuickTestOK:                  true,
 	})
--- a/backend/drive/drive.go
+++ b/backend/drive/drive.go
@@ -18,6 +18,7 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -71,7 +72,7 @@ const (
 	// 1<<18 is the minimum size supported by the Google uploader, and there is no maximum.
 	minChunkSize     = fs.SizeSuffix(googleapi.MinUploadChunkSize)
 	defaultChunkSize = 8 * fs.Mebi
-	partialFields    = "id,name,size,md5Checksum,sha1Checksum,sha256Checksum,trashed,explicitlyTrashed,modifiedTime,createdTime,mimeType,parents,webViewLink,shortcutDetails,exportLinks,resourceKey"
+	partialFields    = "id,name,size,md5Checksum,trashed,explicitlyTrashed,modifiedTime,createdTime,mimeType,parents,webViewLink,shortcutDetails,exportLinks,resourceKey"
 	listRGrouping    = 50   // number of IDs to search at once when using ListR
 	listRInputBuffer = 1000 // size of input buffer when using ListR
 	defaultXDGIcon   = "text-html"
@@ -202,7 +203,7 @@ func init() {
 					m.Set("root_folder_id", "appDataFolder")
 				}

-				if opt.ServiceAccountFile == "" && opt.ServiceAccountCredentials == "" && !opt.EnvAuth {
+				if opt.ServiceAccountFile == "" && opt.ServiceAccountCredentials == "" {
 					return oauthutil.ConfigOut("teamdrive", &oauthutil.Options{
 						OAuth2Config: driveConfig,
 					})
@@ -277,23 +278,20 @@ Leave blank normally.
 Fill in to access "Computers" folders (see docs), or for rclone to use
 a non root folder as its starting point.
 `,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name: "service_account_file",
 			Help: "Service Account Credentials JSON file path.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login." + env.ShellExpandHelp,
 		}, {
-			Name:      "service_account_credentials",
-			Help:      "Service Account Credentials JSON blob.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login.",
-			Hide:      fs.OptionHideConfigurator,
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "service_account_credentials",
+			Help:     "Service Account Credentials JSON blob.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login.",
+			Hide:     fs.OptionHideConfigurator,
+			Advanced: true,
 		}, {
-			Name:      "team_drive",
-			Help:      "ID of the Shared Drive (Team Drive).",
-			Hide:      fs.OptionHideConfigurator,
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "team_drive",
+			Help:     "ID of the Shared Drive (Team Drive).",
+			Hide:     fs.OptionHideConfigurator,
+			Advanced: true,
 		}, {
 			Name:     "auth_owner_only",
 			Default:  false,
@@ -323,13 +321,13 @@ rather than shortcuts themselves when doing server side copies.`,
 		}, {
 			Name:    "skip_checksum_gphotos",
 			Default: false,
-			Help: `Skip checksums on Google photos and videos only.
+			Help: `Skip MD5 checksum on Google photos and videos only.

 Use this if you get checksum errors when transferring Google photos or
 videos.

 Setting this flag will cause Google photos and videos to return a
-blank checksums.
+blank MD5 checksum.

 Google photos are identified by being in the "photos" space.

@@ -419,11 +417,10 @@ date is used.`,
 			Help:     "Size of listing chunk 100-1000, 0 to disable.",
 			Advanced: true,
 		}, {
-			Name:      "impersonate",
-			Default:   "",
-			Help:      `Impersonate this user when using a service account.`,
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "impersonate",
+			Default:  "",
+			Help:     `Impersonate this user when using a service account.`,
+			Advanced: true,
 		}, {
 			Name:    "alternate_export",
 			Default: false,
@@ -455,11 +452,7 @@ If downloading a file returns the error "This file has been identified
 as malware or spam and cannot be downloaded" with the error code
 "cannotDownloadAbusiveFile" then supply this flag to rclone to
 indicate you acknowledge the risks of downloading the file and rclone
-will download it anyway.
-
-Note that if you are using service account it will need Manager
-permission (not Content Manager) to for this flag to work. If the SA
-does not have the right permission, Google will just ignore the flag.`,
+will download it anyway.`,
 			Advanced: true,
 		}, {
 			Name:     "keep_revision_forever",
@@ -503,9 +496,7 @@ need to use --ignore size also.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different drive configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different drive configs.

 This can be useful if you wish to do a server-side copy between two
 different Google drives.  Note that this isn't enabled by default
@@ -594,32 +585,9 @@ This resource key requirement only applies to a subset of old files.

 Note also that opening the folder once in the web interface (with the
 user you've authenticated rclone with) seems to be enough so that the
-resource key is not needed.
-`,
-			Advanced:  true,
-			Sensitive: true,
-		}, {
-			Name: "fast_list_bug_fix",
-			Help: `Work around a bug in Google Drive listing.
-
-Normally rclone will work around a bug in Google Drive when using
--fast-list (ListR) where the search "(A in parents) or (B in
-parents)" returns nothing sometimes. See #3114, #4289 and
-https://issuetracker.google.com/issues/149522397
-
-Rclone detects this by finding no items in more than one directory
-when listing and retries them as lists of individual directories.
-
-This means that if you have a lot of empty directories rclone will end
-up listing them all individually and this can take many more API
-calls.
-
-This flag allows the work-around to be disabled. This is **not**
-recommended in normal use - only if you have a particular case you are
-having trouble with like many empty directories.
+resource key is no needed.
 `,
 			Advanced: true,
-			Default:  true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -627,18 +595,6 @@ having trouble with like many empty directories.
 			// Encode invalid UTF-8 bytes as json doesn't handle them properly.
 			// Don't encode / as it's a valid name character in drive.
 			Default: encoder.EncodeInvalidUtf8,
-		}, {
-			Name:     "env_auth",
-			Help:     "Get IAM credentials from runtime (environment variables or instance meta data if no env vars).\n\nOnly applies if service_account_file and service_account_credentials is blank.",
-			Default:  false,
-			Advanced: true,
-			Examples: []fs.OptionExample{{
-				Value: "false",
-				Help:  "Enter credentials in the next step.",
-			}, {
-				Value: "true",
-				Help:  "Get GCP IAM credentials from the environment (env vars or IAM).",
-			}},
 		}}...),
 	})

@@ -694,9 +650,7 @@ type Options struct {
 	SkipShortcuts             bool                 `config:"skip_shortcuts"`
 	SkipDanglingShortcuts     bool                 `config:"skip_dangling_shortcuts"`
 	ResourceKey               string               `config:"resource_key"`
-	FastListBugFix            bool                 `config:"fast_list_bug_fix"`
 	Enc                       encoder.MultiEncoder `config:"encoding"`
-	EnvAuth                   bool                 `config:"env_auth"`
 }

 // Fs represents a remote drive server
@@ -751,8 +705,6 @@ type Object struct {
 	baseObject
 	url        string // Download URL of this object
 	md5sum     string // md5sum of the object
-	sha1sum    string // sha1sum of the object
-	sha256sum  string // sha256sum of the object
 	v2Download bool   // generate v2 download link ondemand
 }

@@ -806,7 +758,7 @@ func (f *Fs) shouldRetry(ctx context.Context, err error) (bool, error) {
 			} else if f.opt.StopOnDownloadLimit && reason == "downloadQuotaExceeded" {
 				fs.Errorf(f, "Received download limit error: %v", err)
 				return false, fserrors.FatalError(err)
-			} else if f.opt.StopOnUploadLimit && (reason == "quotaExceeded" || reason == "storageQuotaExceeded") {
+			} else if f.opt.StopOnUploadLimit && reason == "quotaExceeded" {
 				fs.Errorf(f, "Received upload limit error: %v", err)
 				return false, fserrors.FatalError(err)
 			} else if f.opt.StopOnUploadLimit && reason == "teamDriveFileLimitExceeded" {
@@ -1167,12 +1119,6 @@ func createOAuthClient(ctx context.Context, opt *Options, name string, m configm
 		if err != nil {
 			return nil, fmt.Errorf("failed to create oauth client from service account: %w", err)
 		}
-	} else if opt.EnvAuth {
-		scopes := driveScopes(opt.Scope)
-		oAuthClient, err = google.DefaultClient(ctx, scopes...)
-		if err != nil {
-			return nil, fmt.Errorf("failed to create client from environment: %w", err)
-		}
 	} else {
 		oAuthClient, _, err = oauthutil.NewClientWithBaseClient(ctx, name, m, driveConfig, getClient(ctx, opt))
 		if err != nil {
@@ -1416,8 +1362,6 @@ func (f *Fs) newRegularObject(remote string, info *drive.File) fs.Object {
 		for _, space := range info.Spaces {
 			if space == "photos" {
 				info.Md5Checksum = ""
-				info.Sha1Checksum = ""
-				info.Sha256Checksum = ""
 				break
 			}
 		}
@@ -1426,8 +1370,6 @@ func (f *Fs) newRegularObject(remote string, info *drive.File) fs.Object {
 		baseObject: f.newBaseObject(remote, info),
 		url:        fmt.Sprintf("%sfiles/%s?alt=media", f.svc.BasePath, actualID(info.Id)),
 		md5sum:     strings.ToLower(info.Md5Checksum),
-		sha1sum:    strings.ToLower(info.Sha1Checksum),
-		sha256sum:  strings.ToLower(info.Sha256Checksum),
 		v2Download: f.opt.V2DownloadMinSize != -1 && info.Size >= int64(f.opt.V2DownloadMinSize),
 	}
 	if info.ResourceKey != "" {
@@ -1548,9 +1490,6 @@ func (f *Fs) newObjectWithExportInfo(
 // NewObject finds the Object at remote.  If it can't be found
 // it returns the error fs.ErrorObjectNotFound.
 func (f *Fs) NewObject(ctx context.Context, remote string) (fs.Object, error) {
-	if strings.HasSuffix(remote, "/") {
-		return nil, fs.ErrorIsDir
-	}
 	info, extension, exportName, exportMimeType, isDocument, err := f.getRemoteInfoWithExport(ctx, remote)
 	if err != nil {
 		return nil, err
@@ -1920,7 +1859,7 @@ func (f *Fs) listRRunner(ctx context.Context, wg *sync.WaitGroup, in chan listRE
 		// drive where (A in parents) or (B in parents) returns nothing
 		// sometimes. See #3114, #4289 and
 		// https://issuetracker.google.com/issues/149522397
-		if f.opt.FastListBugFix && len(dirs) > 1 && !foundItems {
+		if len(dirs) > 1 && !foundItems {
 			if atomic.SwapInt32(&f.grouping, 1) != 1 {
 				fs.Debugf(f, "Disabling ListR to work around bug in drive as multi listing (%d) returned no entries", len(dirs))
 			}
@@ -2938,7 +2877,6 @@ func (f *Fs) changeNotifyRunner(ctx context.Context, notifyFunc func(string, fs.
 			if f.rootFolderID == "appDataFolder" {
 				changesCall.Spaces("appDataFolder")
 			}
-			changesCall.RestrictToMyDrive(!f.opt.SharedWithMe)
 			changeList, err = changesCall.Context(ctx).Do()
 			return f.shouldRetry(ctx, err)
 		})
@@ -3013,7 +2951,7 @@ func (f *Fs) DirCacheFlush() {

 // Hashes returns the supported hash sets.
 func (f *Fs) Hashes() hash.Set {
-	return hash.NewHashSet(hash.MD5, hash.SHA1, hash.SHA256)
+	return hash.Set(hash.MD5)
 }

 func (f *Fs) changeChunkSize(chunkSizeString string) (err error) {
@@ -3385,9 +3323,9 @@ This takes an optional directory to trash which make this easier to
 use via the API.

    rclone backend untrash drive:directory
-    rclone backend --interactive untrash drive:directory subdir
+    rclone backend -i untrash drive:directory subdir

-Use the --interactive/-i or --dry-run flag to see what would be restored before restoring it.
+Use the -i flag to see what would be restored before restoring it.

 Result:

@@ -3417,7 +3355,7 @@ component will be used as the file name.
 If the destination is a drive backend then server-side copying will be
 attempted if possible.

-Use the --interactive/-i or --dry-run flag to see what would be copied before copying.
+Use the -i flag to see what would be copied before copying.
 `,
 }, {
 	Name:  "exportformats",
@@ -3493,12 +3431,13 @@ func (f *Fs) Command(ctx context.Context, name string, arg []string, opt map[str
 		if err != nil {
 			return nil, err
 		}
+		re := regexp.MustCompile(`[^\w_. -]+`)
 		if _, ok := opt["config"]; ok {
 			lines := []string{}
 			upstreams := []string{}
 			names := make(map[string]struct{}, len(drives))
 			for i, drive := range drives {
-				name := fspath.MakeConfigName(drive.Name)
+				name := re.ReplaceAllString(drive.Name, "_")
 				for {
 					if _, found := names[name]; !found {
 						break
@@ -3574,16 +3513,10 @@ func (o *baseObject) Remote() string {

 // Hash returns the Md5sum of an object returning a lowercase hex string
 func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error) {
-	if t == hash.MD5 {
-		return o.md5sum, nil
+	if t != hash.MD5 {
+		return "", hash.ErrUnsupported
 	}
-	if t == hash.SHA1 {
-		return o.sha1sum, nil
-	}
-	if t == hash.SHA256 {
-		return o.sha256sum, nil
-	}
-	return "", hash.ErrUnsupported
+	return o.md5sum, nil
 }
 func (o *baseObject) Hash(ctx context.Context, t hash.Type) (string, error) {
 	if t != hash.MD5 {
@@ -3926,7 +3859,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	newO, err := o.fs.newObjectWithInfo(ctx, o.remote, info)
+	newO, err := o.fs.newObjectWithInfo(ctx, src.Remote(), info)
 	if err != nil {
 		return err
 	}
--- a/backend/drive/drive_internal_test.go
+++ b/backend/drive/drive_internal_test.go
@@ -243,15 +243,6 @@ func (f *Fs) InternalTestShouldRetry(t *testing.T) {
 	quotaExceededRetry, quotaExceededError := f.shouldRetry(ctx, &generic403)
 	assert.False(t, quotaExceededRetry)
 	assert.Equal(t, quotaExceededError, expectedQuotaError)
-
-	sqEItem := googleapi.ErrorItem{
-		Reason: "storageQuotaExceeded",
-	}
-	generic403.Errors[0] = sqEItem
-	expectedStorageQuotaError := fserrors.FatalError(&generic403)
-	storageQuotaExceededRetry, storageQuotaExceededError := f.shouldRetry(ctx, &generic403)
-	assert.False(t, storageQuotaExceededRetry)
-	assert.Equal(t, storageQuotaExceededError, expectedStorageQuotaError)
 }

 func (f *Fs) InternalTestDocumentImport(t *testing.T) {
--- a/backend/dropbox/batcher.go
+++ b/backend/dropbox/batcher.go
@@ -8,19 +8,122 @@ package dropbox

 import (
 	"context"
+	"errors"
 	"fmt"
+	"sync"
+	"time"

+	"github.com/dropbox/dropbox-sdk-go-unofficial/v6/dropbox/async"
 	"github.com/dropbox/dropbox-sdk-go-unofficial/v6/dropbox/files"
+	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/fserrors"
+	"github.com/rclone/rclone/lib/atexit"
 )

+const (
+	maxBatchSize          = 1000                   // max size the batch can be
+	defaultTimeoutSync    = 500 * time.Millisecond // kick off the batch if nothing added for this long (sync)
+	defaultTimeoutAsync   = 10 * time.Second       // kick off the batch if nothing added for this long (ssync)
+	defaultBatchSizeAsync = 100                    // default batch size if async
+)
+
+// batcher holds info about the current items waiting for upload
+type batcher struct {
+	f        *Fs                 // Fs this batch is part of
+	mode     string              // configured batch mode
+	size     int                 // maximum size for batch
+	timeout  time.Duration       // idle timeout for batch
+	async    bool                // whether we are using async batching
+	in       chan batcherRequest // incoming items to batch
+	closed   chan struct{}       // close to indicate batcher shut down
+	atexit   atexit.FnHandle     // atexit handle
+	shutOnce sync.Once           // make sure we shutdown once only
+	wg       sync.WaitGroup      // wait for shutdown
+}
+
+// batcherRequest holds an incoming request with a place for a reply
+type batcherRequest struct {
+	commitInfo *files.UploadSessionFinishArg
+	result     chan<- batcherResponse
+}
+
+// Return true if batcherRequest is the quit request
+func (br *batcherRequest) isQuit() bool {
+	return br.commitInfo == nil
+}
+
+// Send this to get the engine to quit
+var quitRequest = batcherRequest{}
+
+// batcherResponse holds a response to be delivered to clients waiting
+// for a batch to complete.
+type batcherResponse struct {
+	err   error
+	entry *files.FileMetadata
+}
+
+// newBatcher creates a new batcher structure
+func newBatcher(ctx context.Context, f *Fs, mode string, size int, timeout time.Duration) (*batcher, error) {
+	// fs.Debugf(f, "Creating batcher with mode %q, size %d, timeout %v", mode, size, timeout)
+	if size > maxBatchSize || size < 0 {
+		return nil, fmt.Errorf("dropbox: batch size must be < %d and >= 0 - it is currently %d", maxBatchSize, size)
+	}
+
+	async := false
+
+	switch mode {
+	case "sync":
+		if size <= 0 {
+			ci := fs.GetConfig(ctx)
+			size = ci.Transfers
+		}
+		if timeout <= 0 {
+			timeout = defaultTimeoutSync
+		}
+	case "async":
+		if size <= 0 {
+			size = defaultBatchSizeAsync
+		}
+		if timeout <= 0 {
+			timeout = defaultTimeoutAsync
+		}
+		async = true
+	case "off":
+		size = 0
+	default:
+		return nil, fmt.Errorf("dropbox: batch mode must be sync|async|off not %q", mode)
+	}
+
+	b := &batcher{
+		f:       f,
+		mode:    mode,
+		size:    size,
+		timeout: timeout,
+		async:   async,
+		in:      make(chan batcherRequest, size),
+		closed:  make(chan struct{}),
+	}
+	if b.Batching() {
+		b.atexit = atexit.Register(b.Shutdown)
+		b.wg.Add(1)
+		go b.commitLoop(context.Background())
+	}
+	return b, nil
+
+}
+
+// Batching returns true if batching is active
+func (b *batcher) Batching() bool {
+	return b.size > 0
+}
+
 // finishBatch commits the batch, returning a batch status to poll or maybe complete
-func (f *Fs) finishBatch(ctx context.Context, items []*files.UploadSessionFinishArg) (complete *files.UploadSessionFinishBatchResult, err error) {
+func (b *batcher) finishBatch(ctx context.Context, items []*files.UploadSessionFinishArg) (complete *files.UploadSessionFinishBatchResult, err error) {
 	var arg = &files.UploadSessionFinishBatchArg{
 		Entries: items,
 	}
-	err = f.pacer.Call(func() (bool, error) {
-		complete, err = f.srv.UploadSessionFinishBatchV2(arg)
+	err = b.f.pacer.Call(func() (bool, error) {
+		complete, err = b.f.srv.UploadSessionFinishBatchV2(arg)
 		// If error is insufficient space then don't retry
 		if e, ok := err.(files.UploadSessionFinishAPIError); ok {
 			if e.EndpointError != nil && e.EndpointError.Path != nil && e.EndpointError.Path.Tag == files.WriteErrorInsufficientSpace {
@@ -37,10 +140,66 @@ func (f *Fs) finishBatch(ctx context.Context, items []*files.UploadSessionFinish
 	return complete, nil
 }

-// Called by the batcher to commit a batch
-func (f *Fs) commitBatch(ctx context.Context, items []*files.UploadSessionFinishArg, results []*files.FileMetadata, errors []error) (err error) {
+// finishBatchJobStatus waits for the batch to complete returning completed entries
+func (b *batcher) finishBatchJobStatus(ctx context.Context, launchBatchStatus *files.UploadSessionFinishBatchLaunch) (complete *files.UploadSessionFinishBatchResult, err error) {
+	if launchBatchStatus.AsyncJobId == "" {
+		return nil, errors.New("wait for batch completion: empty job ID")
+	}
+	var batchStatus *files.UploadSessionFinishBatchJobStatus
+	sleepTime := 100 * time.Millisecond
+	const maxSleepTime = 1 * time.Second
+	startTime := time.Now()
+	try := 1
+	for {
+		remaining := time.Duration(b.f.opt.BatchCommitTimeout) - time.Since(startTime)
+		if remaining < 0 {
+			break
+		}
+		err = b.f.pacer.Call(func() (bool, error) {
+			batchStatus, err = b.f.srv.UploadSessionFinishBatchCheck(&async.PollArg{
+				AsyncJobId: launchBatchStatus.AsyncJobId,
+			})
+			return shouldRetry(ctx, err)
+		})
+		if err != nil {
+			fs.Debugf(b.f, "Wait for batch: sleeping for %v after error: %v: try %d remaining %v", sleepTime, err, try, remaining)
+		} else {
+			if batchStatus.Tag == "complete" {
+				fs.Debugf(b.f, "Upload batch completed in %v", time.Since(startTime))
+				return batchStatus.Complete, nil
+			}
+			fs.Debugf(b.f, "Wait for batch: sleeping for %v after status: %q: try %d remaining %v", sleepTime, batchStatus.Tag, try, remaining)
+		}
+		time.Sleep(sleepTime)
+		sleepTime *= 2
+		if sleepTime > maxSleepTime {
+			sleepTime = maxSleepTime
+		}
+		try++
+	}
+	if err == nil {
+		err = errors.New("batch didn't complete")
+	}
+	return nil, fmt.Errorf("wait for batch failed after %d tries in %v: %w", try, time.Since(startTime), err)
+}
+
+// commit a batch
+func (b *batcher) commitBatch(ctx context.Context, items []*files.UploadSessionFinishArg, results []chan<- batcherResponse) (err error) {
+	// If commit fails then signal clients if sync
+	var signalled = b.async
+	defer func() {
+		if err != nil && signalled {
+			// Signal to clients that there was an error
+			for _, result := range results {
+				result <- batcherResponse{err: err}
+			}
+		}
+	}()
+	desc := fmt.Sprintf("%s batch length %d starting with: %s", b.mode, len(items), items[0].Commit.Path)
+	fs.Debugf(b.f, "Committing %s", desc)
+
 	// finalise the batch getting either a result or a job id to poll
-	complete, err := f.finishBatch(ctx, items)
+	complete, err := b.finishBatch(ctx, items)
 	if err != nil {
 		return err
 	}
@@ -51,13 +210,19 @@ func (f *Fs) commitBatch(ctx context.Context, items []*files.UploadSessionFinish
 		return fmt.Errorf("expecting %d items in batch but got %d", len(results), len(entries))
 	}

-	// Format results for return
+	// Report results to clients
+	var (
+		errorTag   = ""
+		errorCount = 0
+	)
 	for i := range results {
 		item := entries[i]
+		resp := batcherResponse{}
 		if item.Tag == "success" {
-			results[i] = item.Success
+			resp.entry = item.Success
 		} else {
-			errorTag := item.Tag
+			errorCount++
+			errorTag = item.Tag
 			if item.Failure != nil {
 				errorTag = item.Failure.Tag
 				if item.Failure.LookupFailed != nil {
@@ -70,9 +235,112 @@ func (f *Fs) commitBatch(ctx context.Context, items []*files.UploadSessionFinish
 					errorTag += "/" + item.Failure.PropertiesError.Tag
 				}
 			}
-			errors[i] = fmt.Errorf("upload failed: %s", errorTag)
+			resp.err = fmt.Errorf("batch upload failed: %s", errorTag)
+		}
+		if !b.async {
+			results[i] <- resp
 		}
 	}
+	// Show signalled so no need to report error to clients from now on
+	signalled = true

+	// Report an error if any failed in the batch
+	if errorTag != "" {
+		return fmt.Errorf("batch had %d errors: last error: %s", errorCount, errorTag)
+	}
+
+	fs.Debugf(b.f, "Committed %s", desc)
 	return nil
 }
+
+// commitLoop runs the commit engine in the background
+func (b *batcher) commitLoop(ctx context.Context) {
+	var (
+		items     []*files.UploadSessionFinishArg // current batch of uncommitted files
+		results   []chan<- batcherResponse        // current batch of clients awaiting results
+		idleTimer = time.NewTimer(b.timeout)
+		commit    = func() {
+			err := b.commitBatch(ctx, items, results)
+			if err != nil {
+				fs.Errorf(b.f, "%s batch commit: failed to commit batch length %d: %v", b.mode, len(items), err)
+			}
+			items, results = nil, nil
+		}
+	)
+	defer b.wg.Done()
+	defer idleTimer.Stop()
+	idleTimer.Stop()
+
+outer:
+	for {
+		select {
+		case req := <-b.in:
+			if req.isQuit() {
+				break outer
+			}
+			items = append(items, req.commitInfo)
+			results = append(results, req.result)
+			idleTimer.Stop()
+			if len(items) >= b.size {
+				commit()
+			} else {
+				idleTimer.Reset(b.timeout)
+			}
+		case <-idleTimer.C:
+			if len(items) > 0 {
+				fs.Debugf(b.f, "Batch idle for %v so committing", b.timeout)
+				commit()
+			}
+		}
+
+	}
+	// commit any remaining items
+	if len(items) > 0 {
+		commit()
+	}
+}
+
+// Shutdown finishes any pending batches then shuts everything down
+//
+// Can be called from atexit handler
+func (b *batcher) Shutdown() {
+	if !b.Batching() {
+		return
+	}
+	b.shutOnce.Do(func() {
+		atexit.Unregister(b.atexit)
+		fs.Infof(b.f, "Committing uploads - please wait...")
+		// show that batcher is shutting down
+		close(b.closed)
+		// quit the commitLoop by sending a quitRequest message
+		//
+		// Note that we don't close b.in because that will
+		// cause write to closed channel in Commit when we are
+		// exiting due to a signal.
+		b.in <- quitRequest
+		b.wg.Wait()
+	})
+}
+
+// Commit commits the file using a batch call, first adding it to the
+// batch and then waiting for the batch to complete in a synchronous
+// way if async is not set.
+func (b *batcher) Commit(ctx context.Context, commitInfo *files.UploadSessionFinishArg) (entry *files.FileMetadata, err error) {
+	select {
+	case <-b.closed:
+		return nil, fserrors.FatalError(errors.New("batcher is shutting down"))
+	default:
+	}
+	fs.Debugf(b.f, "Adding %q to batch", commitInfo.Commit.Path)
+	resp := make(chan batcherResponse, 1)
+	b.in <- batcherRequest{
+		commitInfo: commitInfo,
+		result:     resp,
+	}
+	// If running async then don't wait for the result
+	if b.async {
+		return nil, nil
+	}
+	result := <-resp
+	return result.entry, result.err
+}
--- a/backend/dropbox/dropbox.go
+++ b/backend/dropbox/dropbox.go
@@ -47,7 +47,6 @@ import (
 	"github.com/rclone/rclone/fs/config/obscure"
 	"github.com/rclone/rclone/fs/fserrors"
 	"github.com/rclone/rclone/fs/hash"
-	"github.com/rclone/rclone/lib/batcher"
 	"github.com/rclone/rclone/lib/encoder"
 	"github.com/rclone/rclone/lib/oauthutil"
 	"github.com/rclone/rclone/lib/pacer"
@@ -59,7 +58,7 @@ import (
 const (
 	rcloneClientID              = "5jcck7diasz0rqy"
 	rcloneEncryptedClientSecret = "fRS5vVLr2v6FbyXYnIgjwBuUAt0osq_QZTXAEcmZ7g"
-	defaultMinSleep             = fs.Duration(10 * time.Millisecond)
+	minSleep                    = 10 * time.Millisecond
 	maxSleep                    = 2 * time.Second
 	decayConstant               = 2 // bigger for slower decay, exponential
 	// Upload chunk size - setting too small makes uploads slow.
@@ -122,14 +121,6 @@ var (

 	// Errors
 	errNotSupportedInSharedMode = fserrors.NoRetryError(errors.New("not supported in shared files mode"))
-
-	// Configure the batcher
-	defaultBatcherOptions = batcher.Options{
-		MaxBatchSize:          1000,
-		DefaultTimeoutSync:    500 * time.Millisecond,
-		DefaultTimeoutAsync:   10 * time.Second,
-		DefaultBatchSizeAsync: 100,
-	}
 )

 // Gets an oauth config with the right scopes
@@ -161,7 +152,7 @@ func init() {
 				},
 			})
 		},
-		Options: append(append(oauthutil.SharedOptions, []fs.Option{{
+		Options: append(oauthutil.SharedOptions, []fs.Option{{
 			Name: "chunk_size",
 			Help: fmt.Sprintf(`Upload chunk size (< %v).

@@ -191,9 +182,8 @@ client_secret) to use this option as currently rclone's default set of
 permissions doesn't include "members.read". This can be added once
 v1.55 or later is in use everywhere.
 `,
-			Default:   "",
-			Advanced:  true,
-			Sensitive: true,
+			Default:  "",
+			Advanced: true,
 		}, {
 			Name: "shared_files",
 			Help: `Instructs rclone to work on individual shared files.
@@ -220,9 +210,66 @@ shared folder.`,
 			Default:  false,
 			Advanced: true,
 		}, {
-			Name:     "pacer_min_sleep",
-			Default:  defaultMinSleep,
-			Help:     "Minimum time to sleep between API calls.",
+			Name: "batch_mode",
+			Help: `Upload file batching sync|async|off.
+
+This sets the batch mode used by rclone.
+
+For full info see [the main docs](https://rclone.org/dropbox/#batch-mode)
+
+This has 3 possible values
+
+- off - no batching
+- sync - batch uploads and check completion (default)
+- async - batch upload and don't check completion
+
+Rclone will close any outstanding batches when it exits which may make
+a delay on quit.
+`,
+			Default:  "sync",
+			Advanced: true,
+		}, {
+			Name: "batch_size",
+			Help: `Max number of files in upload batch.
+
+This sets the batch size of files to upload. It has to be less than 1000.
+
+By default this is 0 which means rclone which calculate the batch size
+depending on the setting of batch_mode.
+
+- batch_mode: async - default batch_size is 100
+- batch_mode: sync - default batch_size is the same as --transfers
+- batch_mode: off - not in use
+
+Rclone will close any outstanding batches when it exits which may make
+a delay on quit.
+
+Setting this is a great idea if you are uploading lots of small files
+as it will make them a lot quicker. You can use --transfers 32 to
+maximise throughput.
+`,
+			Default:  0,
+			Advanced: true,
+		}, {
+			Name: "batch_timeout",
+			Help: `Max time to allow an idle upload batch before uploading.
+
+If an upload batch is idle for more than this long then it will be
+uploaded.
+
+The default for this is 0 which means rclone will choose a sensible
+default based on the batch_mode in use.
+
+- batch_mode: async - default batch_timeout is 500ms
+- batch_mode: sync - default batch_timeout is 10s
+- batch_mode: off - not in use
+`,
+			Default:  fs.Duration(0),
+			Advanced: true,
+		}, {
+			Name:     "batch_commit_timeout",
+			Help:     `Max time to wait for a batch to finish committing`,
+			Default:  fs.Duration(10 * time.Minute),
 			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
@@ -237,22 +284,22 @@ shared folder.`,
 				encoder.EncodeDel |
 				encoder.EncodeRightSpace |
 				encoder.EncodeInvalidUtf8,
-		}}...), defaultBatcherOptions.FsOptions("For full info see [the main docs](https://rclone.org/dropbox/#batch-mode)\n\n")...),
+		}}...),
 	})
 }

 // Options defines the configuration for this backend
 type Options struct {
-	ChunkSize     fs.SizeSuffix        `config:"chunk_size"`
-	Impersonate   string               `config:"impersonate"`
-	SharedFiles   bool                 `config:"shared_files"`
-	SharedFolders bool                 `config:"shared_folders"`
-	BatchMode     string               `config:"batch_mode"`
-	BatchSize     int                  `config:"batch_size"`
-	BatchTimeout  fs.Duration          `config:"batch_timeout"`
-	AsyncBatch    bool                 `config:"async_batch"`
-	PacerMinSleep fs.Duration          `config:"pacer_min_sleep"`
-	Enc           encoder.MultiEncoder `config:"encoding"`
+	ChunkSize          fs.SizeSuffix        `config:"chunk_size"`
+	Impersonate        string               `config:"impersonate"`
+	SharedFiles        bool                 `config:"shared_files"`
+	SharedFolders      bool                 `config:"shared_folders"`
+	BatchMode          string               `config:"batch_mode"`
+	BatchSize          int                  `config:"batch_size"`
+	BatchTimeout       fs.Duration          `config:"batch_timeout"`
+	BatchCommitTimeout fs.Duration          `config:"batch_commit_timeout"`
+	AsyncBatch         bool                 `config:"async_batch"`
+	Enc                encoder.MultiEncoder `config:"encoding"`
 }

 // Fs represents a remote dropbox server
@@ -271,7 +318,7 @@ type Fs struct {
 	slashRootSlash string         // root with "/" prefix and postfix, lowercase
 	pacer          *fs.Pacer      // To pace the API calls
 	ns             string         // The namespace we are using or "" for none
-	batcher        *batcher.Batcher[*files.UploadSessionFinishArg, *files.FileMetadata]
+	batcher        *batcher       // batch builder
 }

 // Object describes a dropbox object
@@ -395,13 +442,9 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		name:  name,
 		opt:   *opt,
 		ci:    ci,
-		pacer: fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(opt.PacerMinSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
+		pacer: fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 	}
-	batcherOptions := defaultBatcherOptions
-	batcherOptions.Mode = f.opt.BatchMode
-	batcherOptions.Size = f.opt.BatchSize
-	batcherOptions.Timeout = time.Duration(f.opt.BatchTimeout)
-	f.batcher, err = batcher.New(ctx, f, f.commitBatch, batcherOptions)
+	f.batcher, err = newBatcher(ctx, f, f.opt.BatchMode, f.opt.BatchSize, time.Duration(f.opt.BatchTimeout))
 	if err != nil {
 		return nil, err
 	}
@@ -493,7 +536,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			default:
 				return nil, err
 			}
-			// if the mount failed we have to abort here
+			// if the moint failed we have to abort here
 		}
 		// if the mount succeeded it's now a normal folder in the users root namespace
 		// we disable shared folder mode and proceed normally
@@ -676,7 +719,7 @@ func (f *Fs) listSharedFolders(ctx context.Context) (entries fs.DirEntries, err
 		}
 		for _, entry := range res.Entries {
 			leaf := f.opt.Enc.ToStandardName(entry.Name)
-			d := fs.NewDir(leaf, time.Time{}).SetID(entry.SharedFolderId)
+			d := fs.NewDir(leaf, time.Now()).SetID(entry.SharedFolderId)
 			entries = append(entries, d)
 			if err != nil {
 				return nil, err
@@ -863,7 +906,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 			leaf := f.opt.Enc.ToStandardName(path.Base(entryPath))
 			remote := path.Join(dir, leaf)
 			if folderInfo != nil {
-				d := fs.NewDir(remote, time.Time{}).SetID(folderInfo.Id)
+				d := fs.NewDir(remote, time.Now()).SetID(folderInfo.Id)
 				entries = append(entries, d)
 			} else if fileInfo != nil {
 				o, err := f.newObjectWithInfo(ctx, remote, fileInfo)
@@ -1035,6 +1078,15 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
+		switch e := err.(type) {
+		case files.CopyV2APIError:
+			// If we are doing a cross remote transfer then from_lookup/not_found indicates we
+			// don't have permission to read the source, so engage the slow path
+			if srcObj.fs != f && e.EndpointError != nil && e.EndpointError.FromLookup != nil && e.EndpointError.FromLookup.Tag == files.LookupErrorNotFound {
+				fs.Debugf(srcObj, "Copy failed attempting fallback: %v", err)
+				return nil, fs.ErrorCantCopy
+			}
+		}
 		return nil, fmt.Errorf("copy failed: %w", err)
 	}

@@ -1096,6 +1148,15 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object,
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
+		switch e := err.(type) {
+		case files.MoveV2APIError:
+			// If we are doing a cross remote transfer then from_lookup/not_found indicates we
+			// don't have permission to read the source, so engage the slow path
+			if srcObj.fs != f && e.EndpointError != nil && e.EndpointError.FromLookup != nil && e.EndpointError.FromLookup.Tag == files.LookupErrorNotFound {
+				fs.Debugf(srcObj, "Move failed attempting fallback: %v", err)
+				return nil, fs.ErrorCantMove
+			}
+		}
 		return nil, fmt.Errorf("move failed: %w", err)
 	}

@@ -1214,6 +1275,15 @@ func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
+		switch e := err.(type) {
+		case files.MoveV2APIError:
+			// If we are doing a cross remote transfer then from_lookup/not_found indicates we
+			// don't have permission to read the source, so engage the slow path
+			if srcFs != f && e.EndpointError != nil && e.EndpointError.FromLookup != nil && e.EndpointError.FromLookup.Tag == files.LookupErrorNotFound {
+				fs.Debugf(srcFs, "DirMove failed attempting fallback: %v", err)
+				return fs.ErrorCantDirMove
+			}
+		}
 		return fmt.Errorf("MoveDir failed: %w", err)
 	}

@@ -1672,7 +1742,7 @@ func (o *Object) uploadChunked(ctx context.Context, in0 io.Reader, commitInfo *f
 	// If we are batching then we should have written all the data now
 	// store the commit info now for a batch commit
 	if o.fs.batcher.Batching() {
-		return o.fs.batcher.Commit(ctx, o.remote, args)
+		return o.fs.batcher.Commit(ctx, args)
 	}

 	err = o.fs.pacer.Call(func() (bool, error) {
--- a/backend/fichier/api.go
+++ b/backend/fichier/api.go
@@ -28,14 +28,14 @@ var retryErrorCodes = []int{
 	509, // Bandwidth Limit Exceeded
 }

-var errorRegex = regexp.MustCompile(`#(\d{1,3})`)
+var errorRegex = regexp.MustCompile(`#\d{1,3}`)

 func parseFichierError(err error) int {
 	matches := errorRegex.FindStringSubmatch(err.Error())
 	if len(matches) == 0 {
 		return 0
 	}
-	code, err := strconv.Atoi(matches[1])
+	code, err := strconv.Atoi(matches[0])
 	if err != nil {
 		fs.Debugf(nil, "failed parsing fichier error: %v", err)
 		return 0
@@ -118,9 +118,6 @@ func (f *Fs) getDownloadToken(ctx context.Context, url string) (*GetTokenRespons
 		Single: 1,
 		Pass:   f.opt.FilePassword,
 	}
-	if f.opt.CDN {
-		request.CDN = 1
-	}
 	opts := rest.Opts{
 		Method: "POST",
 		Path:   "/download/get_token.cgi",
@@ -408,32 +405,6 @@ func (f *Fs) moveFile(ctx context.Context, url string, folderID int, rename stri
 	return response, nil
 }

-func (f *Fs) moveDir(ctx context.Context, folderID int, newLeaf string, destinationFolderID int) (response *MoveDirResponse, err error) {
-	request := &MoveDirRequest{
-		FolderID:            folderID,
-		DestinationFolderID: destinationFolderID,
-		Rename:              newLeaf,
-		// DestinationUser:     destinationUser,
-	}
-
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/folder/mv.cgi",
-	}
-
-	response = &MoveDirResponse{}
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err := f.rest.CallJSON(ctx, &opts, request, response)
-		return shouldRetry(ctx, resp, err)
-	})
-
-	if err != nil {
-		return nil, fmt.Errorf("couldn't move dir: %w", err)
-	}
-
-	return response, nil
-}
-
 func (f *Fs) copyFile(ctx context.Context, url string, folderID int, rename string) (response *CopyFileResponse, err error) {
 	request := &CopyFileRequest{
 		URLs:     []string{url},
@@ -502,7 +473,7 @@ func (f *Fs) getUploadNode(ctx context.Context) (response *GetUploadNodeResponse
 		return shouldRetry(ctx, resp, err)
 	})
 	if err != nil {
-		return nil, fmt.Errorf("didn't get an upload node: %w", err)
+		return nil, fmt.Errorf("didnt got an upload node: %w", err)
 	}

 	// fs.Debugf(f, "Got Upload node")
--- a/backend/fichier/fichier.go
+++ b/backend/fichier/fichier.go
@@ -38,9 +38,8 @@ func init() {
 		Description: "1Fichier",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Help:      "Your API Key, get it from https://1fichier.com/console/params.pl.",
-			Name:      "api_key",
-			Sensitive: true,
+			Help: "Your API Key, get it from https://1fichier.com/console/params.pl.",
+			Name: "api_key",
 		}, {
 			Help:     "If you want to download a shared folder, add this parameter.",
 			Name:     "shared_folder",
@@ -55,11 +54,6 @@ func init() {
 			Name:       "folder_password",
 			Advanced:   true,
 			IsPassword: true,
-		}, {
-			Help:     "Set if you wish to use CDN download links.",
-			Name:     "cdn",
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -95,7 +89,6 @@ type Options struct {
 	SharedFolder   string               `config:"shared_folder"`
 	FilePassword   string               `config:"file_password"`
 	FolderPassword string               `config:"folder_password"`
-	CDN            bool                 `config:"cdn"`
 	Enc            encoder.MultiEncoder `config:"encoding"`
 }

@@ -340,7 +333,7 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .
 // checking to see if there is one already - use Put() for that.
 func (f *Fs) putUnchecked(ctx context.Context, in io.Reader, remote string, size int64, options ...fs.OpenOption) (fs.Object, error) {
 	if size > int64(300e9) {
-		return nil, errors.New("File too big, can't upload")
+		return nil, errors.New("File too big, cant upload")
 	} else if size == 0 {
 		return nil, fs.ErrorCantUploadEmptyFiles
 	}
@@ -488,51 +481,6 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	return dstObj, nil
 }

-// DirMove moves src, srcRemote to this remote at dstRemote
-// using server-side move operations.
-//
-// Will only be called if src.Fs().Name() == f.Name()
-//
-// If it isn't possible then return fs.ErrorCantDirMove.
-//
-// If destination exists then return fs.ErrorDirExists.
-//
-// This is complicated by the fact that we can't use moveDir to move
-// to a different directory AND rename at the same time as it can
-// overwrite files in the source directory.
-func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string) error {
-	srcFs, ok := src.(*Fs)
-	if !ok {
-		fs.Debugf(srcFs, "Can't move directory - not same remote type")
-		return fs.ErrorCantDirMove
-	}
-
-	srcID, _, _, dstDirectoryID, dstLeaf, err := f.dirCache.DirMove(ctx, srcFs.dirCache, srcFs.root, srcRemote, f.root, dstRemote)
-	if err != nil {
-		return err
-	}
-	srcIDnumeric, err := strconv.Atoi(srcID)
-	if err != nil {
-		return err
-	}
-	dstDirectoryIDnumeric, err := strconv.Atoi(dstDirectoryID)
-	if err != nil {
-		return err
-	}
-
-	var resp *MoveDirResponse
-	resp, err = f.moveDir(ctx, srcIDnumeric, dstLeaf, dstDirectoryIDnumeric)
-	if err != nil {
-		return fmt.Errorf("couldn't rename leaf: %w", err)
-	}
-	if resp.Status != "OK" {
-		return fmt.Errorf("couldn't rename leaf: %s", resp.Message)
-	}
-
-	srcFs.dirCache.FlushDir(srcRemote)
-	return nil
-}
-
 // Copy src to this remote using server side move operations.
 func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
 	srcObj, ok := src.(*Object)
@@ -606,7 +554,6 @@ func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration,
 var (
 	_ fs.Fs              = (*Fs)(nil)
 	_ fs.Mover           = (*Fs)(nil)
-	_ fs.DirMover        = (*Fs)(nil)
 	_ fs.Copier          = (*Fs)(nil)
 	_ fs.PublicLinker    = (*Fs)(nil)
 	_ fs.PutUncheckeder  = (*Fs)(nil)
--- a/backend/fichier/structs.go
+++ b/backend/fichier/structs.go
@@ -20,7 +20,6 @@ type DownloadRequest struct {
 	URL    string `json:"url"`
 	Single int    `json:"single"`
 	Pass   string `json:"pass,omitempty"`
-	CDN    int    `json:"cdn,omitempty"`
 }

 // RemoveFolderRequest is the request structure of the corresponding request
@@ -70,22 +69,6 @@ type MoveFileResponse struct {
 	URLs    []string `json:"urls"`
 }

-// MoveDirRequest is the request structure of the corresponding request
-type MoveDirRequest struct {
-	FolderID            int    `json:"folder_id"`
-	DestinationFolderID int    `json:"destination_folder_id,omitempty"`
-	DestinationUser     string `json:"destination_user"`
-	Rename              string `json:"rename,omitempty"`
-}
-
-// MoveDirResponse is the response structure of the corresponding request
-type MoveDirResponse struct {
-	Status  string `json:"status"`
-	Message string `json:"message"`
-	OldName string `json:"old_name"`
-	NewName string `json:"new_name"`
-}
-
 // CopyFileRequest is the request structure of the corresponding request
 type CopyFileRequest struct {
 	URLs     []string `json:"urls"`
--- a/backend/filefabric/filefabric.go
+++ b/backend/filefabric/filefabric.go
@@ -84,7 +84,6 @@ Leave blank normally.

 Fill in to make rclone start with directory of a given ID.
 `,
-			Sensitive: true,
 		}, {
 			Name: "permanent_token",
 			Help: `Permanent Authentication Token.
@@ -98,7 +97,6 @@ These tokens are normally valid for several years.

 For more info see: https://docs.storagemadeeasy.com/organisationcloud/api-tokens
 `,
-			Sensitive: true,
 		}, {
 			Name: "token",
 			Help: `Session Token.
@@ -108,8 +106,7 @@ usually valid for 1 hour.

 Don't set this value - rclone will set it automatically.
 `,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name: "token_expiry",
 			Help: `Token expiry time.
@@ -158,9 +155,9 @@ type Fs struct {
 	tokenMu         sync.Mutex         // hold when reading the token
 	token           string             // current access token
 	tokenExpiry     time.Time          // time the current token expires
-	tokenExpired    atomic.Int32
-	canCopyWithName bool          // set if detected that can use fi_name in copy
-	precision       time.Duration // precision reported
+	tokenExpired    int32              // read and written with atomic
+	canCopyWithName bool               // set if detected that can use fi_name in copy
+	precision       time.Duration      // precision reported
 }

 // Object describes a filefabric object
@@ -243,7 +240,7 @@ func (f *Fs) shouldRetry(ctx context.Context, resp *http.Response, err error, st
 		err = status // return the error from the RPC
 		code := status.GetCode()
 		if code == "login_token_expired" {
-			f.tokenExpired.Add(1)
+			atomic.AddInt32(&f.tokenExpired, 1)
 		} else {
 			for _, retryCode := range retryStatusCodes {
 				if code == retryCode.code {
@@ -323,12 +320,12 @@ func (f *Fs) getToken(ctx context.Context) (token string, err error) {
 	var refreshed = false
 	defer func() {
 		if refreshed {
-			f.tokenExpired.Store(0)
+			atomic.StoreInt32(&f.tokenExpired, 0)
 		}
 		f.tokenMu.Unlock()
 	}()

-	expired := f.tokenExpired.Load() != 0
+	expired := atomic.LoadInt32(&f.tokenExpired) != 0
 	if expired {
 		fs.Debugf(f, "Token invalid - refreshing")
 	}
--- a/backend/ftp/ftp.go
+++ b/backend/ftp/ftp.go
@@ -15,7 +15,7 @@ import (
 	"sync"
 	"time"

-	"github.com/jlaffaye/ftp"
+	"github.com/rclone/ftp"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/accounting"
 	"github.com/rclone/rclone/fs/config"
@@ -28,7 +28,6 @@ import (
 	"github.com/rclone/rclone/lib/encoder"
 	"github.com/rclone/rclone/lib/env"
 	"github.com/rclone/rclone/lib/pacer"
-	"github.com/rclone/rclone/lib/proxy"
 	"github.com/rclone/rclone/lib/readers"
 )

@@ -49,15 +48,13 @@ func init() {
 		Description: "FTP",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Name:      "host",
-			Help:      "FTP host to connect to.\n\nE.g. \"ftp.example.com\".",
-			Required:  true,
-			Sensitive: true,
+			Name:     "host",
+			Help:     "FTP host to connect to.\n\nE.g. \"ftp.example.com\".",
+			Required: true,
 		}, {
-			Name:      "user",
-			Help:      "FTP username.",
-			Default:   currentUser,
-			Sensitive: true,
+			Name:    "user",
+			Help:    "FTP username.",
+			Default: currentUser,
 		}, {
 			Name:    "port",
 			Help:    "FTP port number.",
@@ -73,7 +70,7 @@ func init() {
 When using implicit FTP over TLS the client connects using TLS
 right from the start which breaks compatibility with
 non-TLS-aware servers. This is usually served over port 990 rather
-than port 21. Cannot be used in combination with explicit FTPS.`,
+than port 21. Cannot be used in combination with explicit FTP.`,
 			Default: false,
 		}, {
 			Name: "explicit_tls",
@@ -81,7 +78,7 @@ than port 21. Cannot be used in combination with explicit FTPS.`,

 When using explicit FTP over TLS the client explicitly requests
 security from the server in order to upgrade a plain text connection
-to an encrypted one. Cannot be used in combination with implicit FTPS.`,
+to an encrypted one. Cannot be used in combination with implicit FTP.`,
 			Default: false,
 		}, {
 			Name: "concurrency",
@@ -175,18 +172,6 @@ Enabled by default. Use 0 to disable.`,
 If this is set and no password is supplied then rclone will ask for a password
 `,
 			Advanced: true,
-		}, {
-			Name:    "socks_proxy",
-			Default: "",
-			Help: `Socks 5 proxy host.
-		
-		Supports the format user:pass@host:port, user@host:port, host:port.
-		
-		Example:
-		
-			myUser:myPass@localhost:9005
-		`,
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -231,7 +216,6 @@ type Options struct {
 	ShutTimeout       fs.Duration          `config:"shut_timeout"`
 	AskPassword       bool                 `config:"ask_password"`
 	Enc               encoder.MultiEncoder `config:"encoding"`
-	SocksProxy        string               `config:"socks_proxy"`
 }

 // Fs represents a remote FTP server
@@ -249,6 +233,7 @@ type Fs struct {
 	pool     []*ftp.ServerConn
 	drain    *time.Timer // used to drain the pool when we stop using the connections
 	tokens   *pacer.TokenDispenser
+	tlsConf  *tls.Config
 	pacer    *fs.Pacer // pacer for FTP connections
 	fGetTime bool      // true if the ftp library accepts GetTime
 	fSetTime bool      // true if the ftp library accepts SetTime
@@ -330,67 +315,26 @@ func (dl *debugLog) Write(p []byte) (n int, err error) {
 	return len(p), nil
 }

-// Return a *textproto.Error if err contains one or nil otherwise
-func textprotoError(err error) (errX *textproto.Error) {
-	if errors.As(err, &errX) {
-		return errX
-	}
-	return nil
-}
-
-// returns true if this FTP error should be retried
-func isRetriableFtpError(err error) bool {
-	if errX := textprotoError(err); errX != nil {
-		switch errX.Code {
-		case ftp.StatusNotAvailable, ftp.StatusTransfertAborted:
-			return true
-		}
-	}
-	return false
-}
-
 // shouldRetry returns a boolean as to whether this err deserve to be
 // retried.  It returns the err as a convenience
 func shouldRetry(ctx context.Context, err error) (bool, error) {
 	if fserrors.ContextError(ctx, &err) {
 		return false, err
 	}
-	if isRetriableFtpError(err) {
-		return true, err
+	switch errX := err.(type) {
+	case *textproto.Error:
+		switch errX.Code {
+		case ftp.StatusNotAvailable:
+			return true, err
+		}
 	}
 	return fserrors.ShouldRetry(err), err
 }

-// Get a TLS config with a unique session cache.
-//
-// We can't share session caches between connections.
-//
-// See: https://github.com/rclone/rclone/issues/7234
-func (f *Fs) tlsConfig() *tls.Config {
-	var tlsConfig *tls.Config
-	if f.opt.TLS || f.opt.ExplicitTLS {
-		tlsConfig = &tls.Config{
-			ServerName:         f.opt.Host,
-			InsecureSkipVerify: f.opt.SkipVerifyTLSCert,
-		}
-		if f.opt.TLSCacheSize > 0 {
-			tlsConfig.ClientSessionCache = tls.NewLRUClientSessionCache(f.opt.TLSCacheSize)
-		}
-		if f.opt.DisableTLS13 {
-			tlsConfig.MaxVersion = tls.VersionTLS12
-		}
-	}
-	return tlsConfig
-}
-
 // Open a new connection to the FTP server.
 func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 	fs.Debugf(f, "Connecting to FTP server")

-	// tls.Config for this connection only. Will be used for data
-	// and control connections.
-	tlsConfig := f.tlsConfig()
-
 	// Make ftp library dial with fshttp dialer optionally using TLS
 	initialConnection := true
 	dial := func(network, address string) (conn net.Conn, err error) {
@@ -398,17 +342,12 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 		defer func() {
 			fs.Debugf(f, "> dial: conn=%T, err=%v", conn, err)
 		}()
-		baseDialer := fshttp.NewDialer(ctx)
-		if f.opt.SocksProxy != "" {
-			conn, err = proxy.SOCKS5Dial(network, address, f.opt.SocksProxy, baseDialer)
-		} else {
-			conn, err = baseDialer.Dial(network, address)
-		}
+		conn, err = fshttp.NewDialer(ctx).Dial(network, address)
 		if err != nil {
 			return nil, err
 		}
 		// Connect using cleartext only for non TLS
-		if tlsConfig == nil {
+		if f.tlsConf == nil {
 			return conn, nil
 		}
 		// Initial connection only needs to be cleartext for explicit TLS
@@ -417,7 +356,7 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 			return conn, nil
 		}
 		// Upgrade connection to TLS
-		tlsConn := tls.Client(conn, tlsConfig)
+		tlsConn := tls.Client(conn, f.tlsConf)
 		// Do the initial handshake - tls.Client doesn't do it for us
 		// If we do this then connections to proftpd/pureftpd lock up
 		// See: https://github.com/rclone/rclone/issues/6426
@@ -439,9 +378,9 @@ func (f *Fs) ftpConnection(ctx context.Context) (c *ftp.ServerConn, err error) {
 	if f.opt.TLS {
 		// Our dialer takes care of TLS but ftp library also needs tlsConf
 		// as a trigger for sending PSBZ and PROT options to server.
-		ftpConfig = append(ftpConfig, ftp.DialWithTLS(tlsConfig))
+		ftpConfig = append(ftpConfig, ftp.DialWithTLS(f.tlsConf))
 	} else if f.opt.ExplicitTLS {
-		ftpConfig = append(ftpConfig, ftp.DialWithExplicitTLS(tlsConfig))
+		ftpConfig = append(ftpConfig, ftp.DialWithExplicitTLS(f.tlsConf))
 	}
 	if f.opt.DisableEPSV {
 		ftpConfig = append(ftpConfig, ftp.DialWithDisabledEPSV(true))
@@ -524,7 +463,8 @@ func (f *Fs) putFtpConnection(pc **ftp.ServerConn, err error) {
 	*pc = nil
 	if err != nil {
 		// If not a regular FTP error code then check the connection
-		if tpErr := textprotoError(err); tpErr != nil {
+		var tpErr *textproto.Error
+		if !errors.As(err, &tpErr) {
 			nopErr := c.NoOp()
 			if nopErr != nil {
 				fs.Debugf(f, "Connection failed, closing: %v", nopErr)
@@ -596,6 +536,19 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (ff fs.Fs
 	if opt.TLS && opt.ExplicitTLS {
 		return nil, errors.New("implicit TLS and explicit TLS are mutually incompatible, please revise your config")
 	}
+	var tlsConfig *tls.Config
+	if opt.TLS || opt.ExplicitTLS {
+		tlsConfig = &tls.Config{
+			ServerName:         opt.Host,
+			InsecureSkipVerify: opt.SkipVerifyTLSCert,
+		}
+		if opt.TLSCacheSize > 0 {
+			tlsConfig.ClientSessionCache = tls.NewLRUClientSessionCache(opt.TLSCacheSize)
+		}
+		if opt.DisableTLS13 {
+			tlsConfig.MaxVersion = tls.VersionTLS12
+		}
+	}
 	u := protocol + path.Join(dialAddr+"/", root)
 	ci := fs.GetConfig(ctx)
 	f := &Fs{
@@ -608,11 +561,11 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (ff fs.Fs
 		pass:     pass,
 		dialAddr: dialAddr,
 		tokens:   pacer.NewTokenDispenser(opt.Concurrency),
+		tlsConf:  tlsConfig,
 		pacer:    fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 	}
 	f.features = (&fs.Features{
 		CanHaveEmptyDirectories: true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	// set the pool drainer timer going
 	if f.opt.IdleTimeout > 0 {
@@ -660,7 +613,8 @@ func (f *Fs) Shutdown(ctx context.Context) error {

 // translateErrorFile turns FTP errors into rclone errors if possible for a file
 func translateErrorFile(err error) error {
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable, ftp.StatusFileActionIgnored:
 			err = fs.ErrorObjectNotFound
@@ -671,7 +625,8 @@ func translateErrorFile(err error) error {

 // translateErrorDir turns FTP errors into rclone errors if possible for a directory
 func translateErrorDir(err error) error {
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable, ftp.StatusFileActionIgnored:
 			err = fs.ErrorDirNotFound
@@ -702,7 +657,8 @@ func (f *Fs) dirFromStandardPath(dir string) string {
 // findItem finds a directory entry for the name in its parent directory
 func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err error) {
 	// defer fs.Trace(remote, "")("o=%v, err=%v", &o, &err)
-	if remote == "" || remote == "." || remote == "/" {
+	fullPath := path.Join(f.root, remote)
+	if fullPath == "" || fullPath == "." || fullPath == "/" {
 		// if root, assume exists and synthesize an entry
 		return &ftp.Entry{
 			Name: "",
@@ -710,38 +666,13 @@ func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err
 			Time: time.Now(),
 		}, nil
 	}
+	dir := path.Dir(fullPath)
+	base := path.Base(fullPath)

 	c, err := f.getFtpConnection(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("findItem: %w", err)
 	}
-
-	// returns TRUE if MLST is supported which is required to call GetEntry
-	if c.IsTimePreciseInList() {
-		entry, err := c.GetEntry(f.opt.Enc.FromStandardPath(remote))
-		f.putFtpConnection(&c, err)
-		if err != nil {
-			err = translateErrorFile(err)
-			if err == fs.ErrorObjectNotFound {
-				return nil, nil
-			}
-			if errX := textprotoError(err); errX != nil {
-				switch errX.Code {
-				case ftp.StatusBadArguments:
-					err = nil
-				}
-			}
-			return nil, err
-		}
-		if entry != nil {
-			f.entryToStandard(entry)
-		}
-		return entry, nil
-	}
-
-	dir := path.Dir(remote)
-	base := path.Base(remote)
-
 	files, err := c.List(f.dirFromStandardPath(dir))
 	f.putFtpConnection(&c, err)
 	if err != nil {
@@ -760,7 +691,7 @@ func (f *Fs) findItem(ctx context.Context, remote string) (entry *ftp.Entry, err
 // it returns the error fs.ErrorObjectNotFound.
 func (f *Fs) NewObject(ctx context.Context, remote string) (o fs.Object, err error) {
 	// defer fs.Trace(remote, "")("o=%v, err=%v", &o, &err)
-	entry, err := f.findItem(ctx, path.Join(f.root, remote))
+	entry, err := f.findItem(ctx, remote)
 	if err != nil {
 		return nil, err
 	}
@@ -782,7 +713,7 @@ func (f *Fs) NewObject(ctx context.Context, remote string) (o fs.Object, err err

 // dirExists checks the directory pointed to by remote exists or not
 func (f *Fs) dirExists(ctx context.Context, remote string) (exists bool, err error) {
-	entry, err := f.findItem(ctx, path.Join(f.root, remote))
+	entry, err := f.findItem(ctx, remote)
 	if err != nil {
 		return false, fmt.Errorf("dirExists: %w", err)
 	}
@@ -926,18 +857,32 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 // getInfo reads the FileInfo for a path
 func (f *Fs) getInfo(ctx context.Context, remote string) (fi *FileInfo, err error) {
 	// defer fs.Trace(remote, "")("fi=%v, err=%v", &fi, &err)
-	file, err := f.findItem(ctx, remote)
+	dir := path.Dir(remote)
+	base := path.Base(remote)
+
+	c, err := f.getFtpConnection(ctx)
 	if err != nil {
-		return nil, err
-	} else if file != nil {
-		info := &FileInfo{
-			Name:    remote,
-			Size:    file.Size,
-			ModTime: file.Time,
-			precise: f.fLstTime,
-			IsDir:   file.Type == ftp.EntryTypeFolder,
+		return nil, fmt.Errorf("getInfo: %w", err)
+	}
+	files, err := c.List(f.dirFromStandardPath(dir))
+	f.putFtpConnection(&c, err)
+	if err != nil {
+		return nil, translateErrorFile(err)
+	}
+
+	for i := range files {
+		file := files[i]
+		f.entryToStandard(file)
+		if file.Name == base {
+			info := &FileInfo{
+				Name:    remote,
+				Size:    file.Size,
+				ModTime: file.Time,
+				precise: f.fLstTime,
+				IsDir:   file.Type == ftp.EntryTypeFolder,
+			}
+			return info, nil
 		}
-		return info, nil
 	}
 	return nil, fs.ErrorObjectNotFound
 }
@@ -968,7 +913,8 @@ func (f *Fs) mkdir(ctx context.Context, abspath string) error {
 	}
 	err = c.MakeDir(f.dirFromStandardPath(abspath))
 	f.putFtpConnection(&c, err)
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusFileUnavailable: // dir already exists: see issue #2181
 			err = nil
@@ -1137,7 +1083,7 @@ func (o *Object) ModTime(ctx context.Context) time.Time {
 // SetModTime sets the modification time of the object
 func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
 	if !o.fs.fSetTime {
-		fs.Debugf(o.fs, "SetModTime is not supported")
+		fs.Errorf(o.fs, "SetModTime is not supported")
 		return nil
 	}
 	c, err := o.fs.getFtpConnection(ctx)
@@ -1209,7 +1155,8 @@ func (f *ftpReadCloser) Close() error {
 	// mask the error if it was caused by a premature close
 	// NB StatusAboutToSend is to work around a bug in pureftpd
 	// See: https://github.com/rclone/rclone/issues/3445#issuecomment-521654257
-	if errX := textprotoError(err); errX != nil {
+	switch errX := err.(type) {
+	case *textproto.Error:
 		switch errX.Code {
 		case ftp.StatusTransfertAborted, ftp.StatusFileUnavailable, ftp.StatusAboutToSend:
 			err = nil
@@ -1235,26 +1182,15 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (rc io.Read
 			}
 		}
 	}
-
-	var (
-		fd *ftp.Response
-		c  *ftp.ServerConn
-	)
-	err = o.fs.pacer.Call(func() (bool, error) {
-		c, err = o.fs.getFtpConnection(ctx)
-		if err != nil {
-			return false, err // getFtpConnection has retries already
-		}
-		fd, err = c.RetrFrom(o.fs.opt.Enc.FromStandardPath(path), uint64(offset))
-		if err != nil {
-			o.fs.putFtpConnection(&c, err)
-		}
-		return shouldRetry(ctx, err)
-	})
+	c, err := o.fs.getFtpConnection(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("open: %w", err)
 	}
-
+	fd, err := c.RetrFrom(o.fs.opt.Enc.FromStandardPath(path), uint64(offset))
+	if err != nil {
+		o.fs.putFtpConnection(&c, err)
+		return nil, fmt.Errorf("open: %w", err)
+	}
 	rc = &ftpReadCloser{rc: readers.NewLimitedReadCloser(fd, limit), c: c, f: o.fs}
 	return rc, nil
 }
@@ -1287,10 +1223,13 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	}
 	err = c.Stor(o.fs.opt.Enc.FromStandardPath(path), in)
 	// Ignore error 250 here - send by some servers
-	if errX := textprotoError(err); errX != nil {
-		switch errX.Code {
-		case ftp.StatusRequestedFileActionOK:
-			err = nil
+	if err != nil {
+		switch errX := err.(type) {
+		case *textproto.Error:
+			switch errX.Code {
+			case ftp.StatusRequestedFileActionOK:
+				err = nil
+			}
 		}
 	}
 	if err != nil {
--- a/backend/googlecloudstorage/googlecloudstorage.go
+++ b/backend/googlecloudstorage/googlecloudstorage.go
@@ -82,8 +82,7 @@ func init() {
 			saFile, _ := m.Get("service_account_file")
 			saCreds, _ := m.Get("service_account_credentials")
 			anonymous, _ := m.Get("anonymous")
-			envAuth, _ := m.Get("env_auth")
-			if saFile != "" || saCreds != "" || anonymous == "true" || envAuth == "true" {
+			if saFile != "" || saCreds != "" || anonymous == "true" {
 				return nil, nil
 			}
 			return oauthutil.ConfigOut("", &oauthutil.Options{
@@ -91,21 +90,15 @@ func init() {
 			})
 		},
 		Options: append(oauthutil.SharedOptions, []fs.Option{{
-			Name:      "project_number",
-			Help:      "Project number.\n\nOptional - needed only for list/create/delete buckets - see your developer console.",
-			Sensitive: true,
-		}, {
-			Name:      "user_project",
-			Help:      "User project.\n\nOptional - needed only for requester pays.",
-			Sensitive: true,
+			Name: "project_number",
+			Help: "Project number.\n\nOptional - needed only for list/create/delete buckets - see your developer console.",
 		}, {
 			Name: "service_account_file",
 			Help: "Service Account Credentials JSON file path.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login." + env.ShellExpandHelp,
 		}, {
-			Name:      "service_account_credentials",
-			Help:      "Service Account Credentials JSON blob.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login.",
-			Hide:      fs.OptionHideBoth,
-			Sensitive: true,
+			Name: "service_account_credentials",
+			Help: "Service Account Credentials JSON blob.\n\nLeave blank normally.\nNeeded only if you want use SA instead of interactive login.",
+			Hide: fs.OptionHideBoth,
 		}, {
 			Name:    "anonymous",
 			Help:    "Access public buckets and objects without credentials.\n\nSet to 'true' if you just want to download files and don't configure credentials.",
@@ -304,15 +297,6 @@ Docs: https://cloud.google.com/storage/docs/bucket-policy-only
 				Value: "DURABLE_REDUCED_AVAILABILITY",
 				Help:  "Durable reduced availability storage class",
 			}},
-		}, {
-			Name:     "directory_markers",
-			Default:  false,
-			Advanced: true,
-			Help: `Upload an empty object with a trailing slash when a new directory is created
-
-Empty folders are unsupported for bucket based remotes, this option creates an empty
-object ending with "/", to persist the folder.
-`,
 		}, {
 			Name: "no_check_bucket",
 			Help: `If set, don't attempt to check the bucket exists or create it.
@@ -346,17 +330,6 @@ can't check the size and hash but the file contents will be decompressed.
 			Default: (encoder.Base |
 				encoder.EncodeCrLf |
 				encoder.EncodeInvalidUtf8),
-		}, {
-			Name:    "env_auth",
-			Help:    "Get GCP IAM credentials from runtime (environment variables or instance meta data if no env vars).\n\nOnly applies if service_account_file and service_account_credentials is blank.",
-			Default: false,
-			Examples: []fs.OptionExample{{
-				Value: "false",
-				Help:  "Enter credentials in the next step.",
-			}, {
-				Value: "true",
-				Help:  "Get GCP IAM credentials from the environment (env vars or IAM).",
-			}},
 		}}...),
 	})
 }
@@ -364,7 +337,6 @@ can't check the size and hash but the file contents will be decompressed.
 // Options defines the configuration for this backend
 type Options struct {
 	ProjectNumber             string               `config:"project_number"`
-	UserProject               string               `config:"user_project"`
 	ServiceAccountFile        string               `config:"service_account_file"`
 	ServiceAccountCredentials string               `config:"service_account_credentials"`
 	Anonymous                 bool                 `config:"anonymous"`
@@ -377,8 +349,6 @@ type Options struct {
 	Decompress                bool                 `config:"decompress"`
 	Endpoint                  string               `config:"endpoint"`
 	Enc                       encoder.MultiEncoder `config:"encoding"`
-	EnvAuth                   bool                 `config:"env_auth"`
-	DirectoryMarkers          bool                 `config:"directory_markers"`
 }

 // Fs represents a remote storage server
@@ -474,7 +444,7 @@ func parsePath(path string) (root string) {
 // split returns bucket and bucketPath from the rootRelativePath
 // relative to f.root
 func (f *Fs) split(rootRelativePath string) (bucketName, bucketPath string) {
-	bucketName, bucketPath = bucket.Split(bucket.Join(f.root, rootRelativePath))
+	bucketName, bucketPath = bucket.Split(path.Join(f.root, rootRelativePath))
 	return f.opt.Enc.FromStandardName(bucketName), f.opt.Enc.FromStandardPath(bucketPath)
 }

@@ -530,11 +500,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		if err != nil {
 			return nil, fmt.Errorf("failed configuring Google Cloud Storage Service Account: %w", err)
 		}
-	} else if opt.EnvAuth {
-		oAuthClient, err = google.DefaultClient(ctx, storage.DevstorageFullControlScope)
-		if err != nil {
-			return nil, fmt.Errorf("failed to configure Google Cloud Storage: %w", err)
-		}
 	} else {
 		oAuthClient, _, err = oauthutil.NewClient(ctx, name, m, storageConfig)
 		if err != nil {
@@ -560,9 +525,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		BucketBased:       true,
 		BucketBasedRootOK: true,
 	}).Fill(ctx, f)
-	if opt.DirectoryMarkers {
-		f.features.CanHaveEmptyDirectories = true
-	}

 	// Create a new authorized Drive client.
 	f.client = oAuthClient
@@ -579,11 +541,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		// Check to see if the object exists
 		encodedDirectory := f.opt.Enc.FromStandardPath(f.rootDirectory)
 		err = f.pacer.Call(func() (bool, error) {
-			get := f.svc.Objects.Get(f.rootBucket, encodedDirectory).Context(ctx)
-			if f.opt.UserProject != "" {
-				get = get.UserProject(f.opt.UserProject)
-			}
-			_, err = get.Do()
+			_, err = f.svc.Objects.Get(f.rootBucket, encodedDirectory).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err == nil {
@@ -643,13 +601,9 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 		directory += "/"
 	}
 	list := f.svc.Objects.List(bucket).Prefix(directory).MaxResults(listChunks)
-	if f.opt.UserProject != "" {
-		list = list.UserProject(f.opt.UserProject)
-	}
 	if !recurse {
 		list = list.Delimiter("/")
 	}
-	foundItems := 0
 	for {
 		var objects *storage.Objects
 		err = f.pacer.Call(func() (bool, error) {
@@ -665,7 +619,6 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 			return err
 		}
 		if !recurse {
-			foundItems += len(objects.Prefixes)
 			var object storage.Object
 			for _, remote := range objects.Prefixes {
 				if !strings.HasSuffix(remote, "/") {
@@ -686,29 +639,22 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 				}
 			}
 		}
-		foundItems += len(objects.Items)
 		for _, object := range objects.Items {
 			remote := f.opt.Enc.ToStandardPath(object.Name)
 			if !strings.HasPrefix(remote, prefix) {
 				fs.Logf(f, "Odd name received %q", object.Name)
 				continue
 			}
-			isDirectory := remote == "" || strings.HasSuffix(remote, "/")
-			// is this a directory marker?
-			if isDirectory {
-				// Don't insert the root directory
-				if remote == directory {
-					continue
-				}
-				// process directory markers as directories
-				remote = strings.TrimRight(remote, "/")
-			}
 			remote = remote[len(prefix):]
+			isDirectory := remote == "" || strings.HasSuffix(remote, "/")
 			if addBucket {
 				remote = path.Join(bucket, remote)
 			}
-
-			err = fn(remote, object, isDirectory)
+			// is this a directory marker?
+			if isDirectory {
+				continue // skip directory marker
+			}
+			err = fn(remote, object, false)
 			if err != nil {
 				return err
 			}
@@ -718,17 +664,6 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 		}
 		list.PageToken(objects.NextPageToken)
 	}
-	if f.opt.DirectoryMarkers && foundItems == 0 && directory != "" {
-		// Determine whether the directory exists or not by whether it has a marker
-		_, err := f.readObjectInfo(ctx, bucket, directory)
-		if err != nil {
-			if err == fs.ErrorObjectNotFound {
-				return fs.ErrorDirNotFound
-			}
-			return err
-		}
-	}
-
 	return nil
 }

@@ -772,9 +707,6 @@ func (f *Fs) listBuckets(ctx context.Context) (entries fs.DirEntries, err error)
 		return nil, errors.New("can't list buckets without project number")
 	}
 	listBuckets := f.svc.Buckets.List(f.opt.ProjectNumber).MaxResults(listChunks)
-	if f.opt.UserProject != "" {
-		listBuckets = listBuckets.UserProject(f.opt.UserProject)
-	}
 	for {
 		var buckets *storage.Buckets
 		err = f.pacer.Call(func() (bool, error) {
@@ -892,69 +824,10 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
 	return f.Put(ctx, in, src, options...)
 }

-// Create directory marker file and parents
-func (f *Fs) createDirectoryMarker(ctx context.Context, bucket, dir string) error {
-	if !f.opt.DirectoryMarkers || bucket == "" {
-		return nil
-	}
-
-	// Object to be uploaded
-	o := &Object{
-		fs:      f,
-		modTime: time.Now(),
-	}
-
-	for {
-		_, bucketPath := f.split(dir)
-		// Don't create the directory marker if it is the bucket or at the very root
-		if bucketPath == "" {
-			break
-		}
-		o.remote = dir + "/"
-
-		// Check to see if object already exists
-		_, err := o.readObjectInfo(ctx)
-		if err == nil {
-			return nil
-		}
-
-		// Upload it if not
-		fs.Debugf(o, "Creating directory marker")
-		content := io.Reader(strings.NewReader(""))
-		err = o.Update(ctx, content, o)
-		if err != nil {
-			return fmt.Errorf("creating directory marker failed: %w", err)
-		}
-
-		// Now check parent directory exists
-		dir = path.Dir(dir)
-		if dir == "/" || dir == "." {
-			break
-		}
-	}
-
-	return nil
-}
-
 // Mkdir creates the bucket if it doesn't exist
 func (f *Fs) Mkdir(ctx context.Context, dir string) (err error) {
 	bucket, _ := f.split(dir)
-	e := f.checkBucket(ctx, bucket)
-	if e != nil {
-		return e
-	}
-	return f.createDirectoryMarker(ctx, bucket, dir)
-
-}
-
-// mkdirParent creates the parent bucket/directory if it doesn't exist
-func (f *Fs) mkdirParent(ctx context.Context, remote string) error {
-	remote = strings.TrimRight(remote, "/")
-	dir := path.Dir(remote)
-	if dir == "/" || dir == "." {
-		dir = ""
-	}
-	return f.Mkdir(ctx, dir)
+	return f.makeBucket(ctx, bucket)
 }

 // makeBucket creates the bucket if it doesn't exist
@@ -963,11 +836,7 @@ func (f *Fs) makeBucket(ctx context.Context, bucket string) (err error) {
 		// List something from the bucket to see if it exists.  Doing it like this enables the use of a
 		// service account that only has the "Storage Object Admin" role.  See #2193 for details.
 		err = f.pacer.Call(func() (bool, error) {
-			list := f.svc.Objects.List(bucket).MaxResults(1).Context(ctx)
-			if f.opt.UserProject != "" {
-				list = list.UserProject(f.opt.UserProject)
-			}
-			_, err = list.Do()
+			_, err = f.svc.Objects.List(bucket).MaxResults(1).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err == nil {
@@ -1002,11 +871,7 @@ func (f *Fs) makeBucket(ctx context.Context, bucket string) (err error) {
 			if !f.opt.BucketPolicyOnly {
 				insertBucket.PredefinedAcl(f.opt.BucketACL)
 			}
-			insertBucket = insertBucket.Context(ctx)
-			if f.opt.UserProject != "" {
-				insertBucket = insertBucket.UserProject(f.opt.UserProject)
-			}
-			_, err = insertBucket.Do()
+			_, err = insertBucket.Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 	}, nil)
@@ -1026,28 +891,12 @@ func (f *Fs) checkBucket(ctx context.Context, bucket string) error {
 // to delete was not empty.
 func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
 	bucket, directory := f.split(dir)
-	// Remove directory marker file
-	if f.opt.DirectoryMarkers && bucket != "" && dir != "" {
-		o := &Object{
-			fs:     f,
-			remote: dir + "/",
-		}
-		fs.Debugf(o, "Removing directory marker")
-		err := o.Remove(ctx)
-		if err != nil {
-			return fmt.Errorf("removing directory marker failed: %w", err)
-		}
-	}
 	if bucket == "" || directory != "" {
 		return nil
 	}
 	return f.cache.Remove(bucket, func() error {
 		return f.pacer.Call(func() (bool, error) {
-			deleteBucket := f.svc.Buckets.Delete(bucket).Context(ctx)
-			if f.opt.UserProject != "" {
-				deleteBucket = deleteBucket.UserProject(f.opt.UserProject)
-			}
-			err = deleteBucket.Do()
+			err = f.svc.Buckets.Delete(bucket).Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 	})
@@ -1069,7 +918,7 @@ func (f *Fs) Precision() time.Duration {
 // If it isn't possible then return fs.ErrorCantCopy
 func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object, error) {
 	dstBucket, dstPath := f.split(remote)
-	err := f.mkdirParent(ctx, remote)
+	err := f.checkBucket(ctx, dstBucket)
 	if err != nil {
 		return nil, err
 	}
@@ -1093,11 +942,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	var rewriteResponse *storage.RewriteResponse
 	for {
 		err = f.pacer.Call(func() (bool, error) {
-			rewriteRequest = rewriteRequest.Context(ctx)
-			if f.opt.UserProject != "" {
-				rewriteRequest.UserProject(f.opt.UserProject)
-			}
-			rewriteResponse, err = rewriteRequest.Do()
+			rewriteResponse, err = rewriteRequest.Context(ctx).Do()
 			return shouldRetry(ctx, err)
 		})
 		if err != nil {
@@ -1207,17 +1052,8 @@ func (o *Object) setMetaData(info *storage.Object) {
 // readObjectInfo reads the definition for an object
 func (o *Object) readObjectInfo(ctx context.Context) (object *storage.Object, err error) {
 	bucket, bucketPath := o.split()
-	return o.fs.readObjectInfo(ctx, bucket, bucketPath)
-}
-
-// readObjectInfo reads the definition for an object
-func (f *Fs) readObjectInfo(ctx context.Context, bucket, bucketPath string) (object *storage.Object, err error) {
-	err = f.pacer.Call(func() (bool, error) {
-		get := f.svc.Objects.Get(bucket, bucketPath).Context(ctx)
-		if f.opt.UserProject != "" {
-			get = get.UserProject(f.opt.UserProject)
-		}
-		object, err = get.Do()
+	err = o.fs.pacer.Call(func() (bool, error) {
+		object, err = o.fs.svc.Objects.Get(bucket, bucketPath).Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1289,11 +1125,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) (err error)
 		if !o.fs.opt.BucketPolicyOnly {
 			copyObject.DestinationPredefinedAcl(o.fs.opt.ObjectACL)
 		}
-		copyObject = copyObject.Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			copyObject = copyObject.UserProject(o.fs.opt.UserProject)
-		}
-		newObject, err = copyObject.Do()
+		newObject, err = copyObject.Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1310,9 +1142,6 @@ func (o *Object) Storable() bool {

 // Open an object for read
 func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.ReadCloser, err error) {
-	if o.fs.opt.UserProject != "" {
-		o.url = o.url + "&userProject=" + o.fs.opt.UserProject
-	}
 	req, err := http.NewRequestWithContext(ctx, "GET", o.url, nil)
 	if err != nil {
 		return nil, err
@@ -1356,14 +1185,11 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 // Update the object with the contents of the io.Reader, modTime and size
 //
 // The new object may have been created if an error is returned
-func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
+func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
 	bucket, bucketPath := o.split()
-	// Create parent dir/bucket if not saving directory marker
-	if !strings.HasSuffix(o.remote, "/") {
-		err = o.fs.mkdirParent(ctx, o.remote)
-		if err != nil {
-			return err
-		}
+	err := o.fs.checkBucket(ctx, bucket)
+	if err != nil {
+		return err
 	}
 	modTime := src.ModTime(ctx)

@@ -1408,11 +1234,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		if !o.fs.opt.BucketPolicyOnly {
 			insertObject.PredefinedAcl(o.fs.opt.ObjectACL)
 		}
-		insertObject = insertObject.Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			insertObject = insertObject.UserProject(o.fs.opt.UserProject)
-		}
-		newObject, err = insertObject.Do()
+		newObject, err = insertObject.Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
@@ -1427,11 +1249,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 func (o *Object) Remove(ctx context.Context) (err error) {
 	bucket, bucketPath := o.split()
 	err = o.fs.pacer.Call(func() (bool, error) {
-		deleteBucket := o.fs.svc.Objects.Delete(bucket, bucketPath).Context(ctx)
-		if o.fs.opt.UserProject != "" {
-			deleteBucket = deleteBucket.UserProject(o.fs.opt.UserProject)
-		}
-		err = deleteBucket.Do()
+		err = o.fs.svc.Objects.Delete(bucket, bucketPath).Context(ctx).Do()
 		return shouldRetry(ctx, err)
 	})
 	return err
--- a/backend/googlecloudstorage/googlecloudstorage_test.go
+++ b/backend/googlecloudstorage/googlecloudstorage_test.go
@@ -6,7 +6,6 @@ import (
 	"testing"

 	"github.com/rclone/rclone/backend/googlecloudstorage"
-	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
 )

@@ -17,17 +16,3 @@ func TestIntegration(t *testing.T) {
 		NilObject:  (*googlecloudstorage.Object)(nil),
 	})
 }
-
-func TestIntegration2(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("Skipping as -remote set")
-	}
-	name := "TestGoogleCloudStorage"
-	fstests.Run(t, &fstests.Opt{
-		RemoteName: name + ":",
-		NilObject:  (*googlecloudstorage.Object)(nil),
-		ExtraConfig: []fstests.ExtraConfigItem{
-			{Name: name, Key: "directory_markers", Value: "true"},
-		},
-	})
-}
--- a/backend/googlephotos/googlephotos.go
+++ b/backend/googlephotos/googlephotos.go
@@ -29,7 +29,6 @@ import (
 	"github.com/rclone/rclone/fs/fshttp"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/fs/log"
-	"github.com/rclone/rclone/lib/batcher"
 	"github.com/rclone/rclone/lib/encoder"
 	"github.com/rclone/rclone/lib/oauthutil"
 	"github.com/rclone/rclone/lib/pacer"
@@ -72,14 +71,6 @@ var (
 		ClientSecret: obscure.MustReveal(rcloneEncryptedClientSecret),
 		RedirectURL:  oauthutil.RedirectURL,
 	}
-
-	// Configure the batcher
-	defaultBatcherOptions = batcher.Options{
-		MaxBatchSize:          50,
-		DefaultTimeoutSync:    1000 * time.Millisecond,
-		DefaultTimeoutAsync:   10 * time.Second,
-		DefaultBatchSizeAsync: 50,
-	}
 )

 // Register with Fs
@@ -120,7 +111,7 @@ will count towards storage in your Google Account.`)
 			}
 			return nil, fmt.Errorf("unknown state %q", config.State)
 		},
-		Options: append(append(oauthutil.SharedOptions, []fs.Option{{
+		Options: append(oauthutil.SharedOptions, []fs.Option{{
 			Name:    "read_only",
 			Default: false,
 			Help: `Set to make the Google Photos backend read only.
@@ -167,7 +158,7 @@ listings and won't be transferred.`,
 			Default: (encoder.Base |
 				encoder.EncodeCrLf |
 				encoder.EncodeInvalidUtf8),
-		}}...), defaultBatcherOptions.FsOptions("")...),
+		}}...),
 	})
 }

@@ -178,9 +169,6 @@ type Options struct {
 	StartYear       int                  `config:"start_year"`
 	IncludeArchived bool                 `config:"include_archived"`
 	Enc             encoder.MultiEncoder `config:"encoding"`
-	BatchMode       string               `config:"batch_mode"`
-	BatchSize       int                  `config:"batch_size"`
-	BatchTimeout    fs.Duration          `config:"batch_timeout"`
 }

 // Fs represents a remote storage server
@@ -199,7 +187,6 @@ type Fs struct {
 	uploadedMu sync.Mutex             // to protect the below
 	uploaded   dirtree.DirTree        // record of uploaded items
 	createMu   sync.Mutex             // held when creating albums to prevent dupes
-	batcher    *batcher.Batcher[uploadedItem, *api.MediaItem]
 }

 // Object describes a storage object
@@ -325,14 +312,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		albums:    map[bool]*albums{},
 		uploaded:  dirtree.New(),
 	}
-	batcherOptions := defaultBatcherOptions
-	batcherOptions.Mode = f.opt.BatchMode
-	batcherOptions.Size = f.opt.BatchSize
-	batcherOptions.Timeout = time.Duration(f.opt.BatchTimeout)
-	f.batcher, err = batcher.New(ctx, f, f.commitBatch, batcherOptions)
-	if err != nil {
-		return nil, err
-	}
 	f.features = (&fs.Features{
 		ReadMimeType: true,
 	}).Fill(ctx, f)
@@ -802,13 +781,6 @@ func (f *Fs) Hashes() hash.Set {
 	return hash.Set(hash.None)
 }

-// Shutdown the backend, closing any background tasks and any
-// cached connections.
-func (f *Fs) Shutdown(ctx context.Context) error {
-	f.batcher.Shutdown()
-	return nil
-}
-
 // ------------------------------------------------------------

 // Fs returns the parent Fs
@@ -989,82 +961,6 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 	return resp.Body, err
 }

-// input to the batcher
-type uploadedItem struct {
-	AlbumID     string // desired album
-	UploadToken string // upload ID
-}
-
-// Commit a batch of items to albumID returning the errors in errors
-func (f *Fs) commitBatchAlbumID(ctx context.Context, items []uploadedItem, results []*api.MediaItem, errors []error, albumID string) {
-	// Create the media item from an UploadToken, optionally adding to an album
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/mediaItems:batchCreate",
-	}
-	var request = api.BatchCreateRequest{
-		AlbumID: albumID,
-	}
-	itemsInBatch := 0
-	for i := range items {
-		if items[i].AlbumID == albumID {
-			request.NewMediaItems = append(request.NewMediaItems, api.NewMediaItem{
-				SimpleMediaItem: api.SimpleMediaItem{
-					UploadToken: items[i].UploadToken,
-				},
-			})
-			itemsInBatch++
-		}
-	}
-	var result api.BatchCreateResponse
-	var resp *http.Response
-	var err error
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.srv.CallJSON(ctx, &opts, request, &result)
-		return shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		err = fmt.Errorf("failed to create media item: %w", err)
-	}
-	if err == nil && len(result.NewMediaItemResults) != itemsInBatch {
-		err = fmt.Errorf("bad response to BatchCreate expecting %d items but got %d", itemsInBatch, len(result.NewMediaItemResults))
-	}
-	j := 0
-	for i := range items {
-		if items[i].AlbumID == albumID {
-			if err == nil {
-				media := &result.NewMediaItemResults[j]
-				if media.Status.Code != 0 {
-					errors[i] = fmt.Errorf("upload failed: %s (%d)", media.Status.Message, media.Status.Code)
-				} else {
-					results[i] = &media.MediaItem
-				}
-			} else {
-				errors[i] = err
-			}
-			j++
-		}
-	}
-}
-
-// Called by the batcher to commit a batch
-func (f *Fs) commitBatch(ctx context.Context, items []uploadedItem, results []*api.MediaItem, errors []error) (err error) {
-	// Discover all the AlbumIDs as we have to upload these separately
-	//
-	// Should maybe have one batcher per AlbumID
-	albumIDs := map[string]struct{}{}
-	for i := range items {
-		albumIDs[items[i].AlbumID] = struct{}{}
-	}
-
-	// batch the albums
-	for albumID := range albumIDs {
-		// errors returned in errors
-		f.commitBatchAlbumID(ctx, items, results, errors, albumID)
-	}
-	return nil
-}
-
 // Update the object with the contents of the io.Reader, modTime and size
 //
 // The new object may have been created if an error is returned
@@ -1125,26 +1021,37 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		return errors.New("empty upload token")
 	}

-	uploaded := uploadedItem{
-		AlbumID:     albumID,
-		UploadToken: uploadToken,
+	// Create the media item from an UploadToken, optionally adding to an album
+	opts = rest.Opts{
+		Method: "POST",
+		Path:   "/mediaItems:batchCreate",
 	}
-
-	// Save the upload into an album
-	var info *api.MediaItem
-	if o.fs.batcher.Batching() {
-		info, err = o.fs.batcher.Commit(ctx, o.remote, uploaded)
-	} else {
-		errors := make([]error, 1)
-		results := make([]*api.MediaItem, 1)
-		err = o.fs.commitBatch(ctx, []uploadedItem{uploaded}, results, errors)
-		if err != nil {
-			err = errors[0]
-			info = results[0]
-		}
+	var request = api.BatchCreateRequest{
+		AlbumID: albumID,
+		NewMediaItems: []api.NewMediaItem{
+			{
+				SimpleMediaItem: api.SimpleMediaItem{
+					UploadToken: uploadToken,
+				},
+			},
+		},
 	}
-
-	o.setMetaData(info)
+	var result api.BatchCreateResponse
+	err = o.fs.pacer.Call(func() (bool, error) {
+		resp, err = o.fs.srv.CallJSON(ctx, &opts, request, &result)
+		return shouldRetry(ctx, resp, err)
+	})
+	if err != nil {
+		return fmt.Errorf("failed to create media item: %w", err)
+	}
+	if len(result.NewMediaItemResults) != 1 {
+		return errors.New("bad response to BatchCreate wrong number of items")
+	}
+	mediaItemResult := result.NewMediaItemResults[0]
+	if mediaItemResult.Status.Code != 0 {
+		return fmt.Errorf("upload failed: %s (%d)", mediaItemResult.Status.Message, mediaItemResult.Status.Code)
+	}
+	o.setMetaData(&mediaItemResult.MediaItem)

 	// Add upload to internal storage
 	if pattern.isUpload {
--- a/backend/googlephotos/googlephotos_test.go
+++ b/backend/googlephotos/googlephotos_test.go
@@ -12,6 +12,7 @@ import (
 	_ "github.com/rclone/rclone/backend/local"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/hash"
+	"github.com/rclone/rclone/fs/operations"
 	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/lib/random"
 	"github.com/stretchr/testify/assert"
@@ -55,7 +56,7 @@ func TestIntegration(t *testing.T) {
 			require.NoError(t, err)
 			in, err := srcObj.Open(ctx)
 			require.NoError(t, err)
-			dstObj, err := f.Put(ctx, in, fs.NewOverrideRemote(srcObj, remote))
+			dstObj, err := f.Put(ctx, in, operations.NewOverrideRemote(srcObj, remote))
 			require.NoError(t, err)
 			assert.Equal(t, remote, dstObj.Remote())
 			_ = in.Close()
@@ -220,7 +221,7 @@ func TestIntegration(t *testing.T) {
 		require.NoError(t, err)
 		in, err := srcObj.Open(ctx)
 		require.NoError(t, err)
-		dstObj, err := f.Put(ctx, in, fs.NewOverrideRemote(srcObj, remote))
+		dstObj, err := f.Put(ctx, in, operations.NewOverrideRemote(srcObj, remote))
 		require.NoError(t, err)
 		assert.Equal(t, remote, dstObj.Remote())
 		_ = in.Close()
--- a/backend/hasher/commands.go
+++ b/backend/hasher/commands.go
@@ -161,7 +161,7 @@ func (f *Fs) dbImport(ctx context.Context, hashName, sumRemote string, sticky bo
 			if err := o.putHashes(ctx, hashMap{hashType: hash}); err != nil {
 				fs.Errorf(nil, "%s: failed to import: %v", remote, err)
 			}
-			accounting.Stats(ctx).NewCheckingTransfer(obj, "importing").Done(ctx, err)
+			accounting.Stats(ctx).NewCheckingTransfer(obj).Done(ctx, err)
 			doneCount++
 		}
 	})
--- a/backend/hasher/hasher.go
+++ b/backend/hasher/hasher.go
@@ -166,7 +166,6 @@ func NewFs(ctx context.Context, fsname, rpath string, cmap configmap.Mapper) (fs
 		ReadMetadata:            true,
 		WriteMetadata:           true,
 		UserMetadata:            true,
-		PartialUploads:          true,
 	}
 	f.features = stubFeatures.Fill(ctx, f).Mask(ctx, f.Fs).WrapsFs(f, f.Fs)

--- a/backend/hasher/hasher_test.go
+++ b/backend/hasher/hasher_test.go
@@ -23,7 +23,6 @@ func TestIntegration(t *testing.T) {
 		NilObject:  (*hasher.Object)(nil),
 		UnimplementableFsMethods: []string{
 			"OpenWriterAt",
-			"OpenChunkWriter",
 		},
 		UnimplementableObjectMethods: []string{},
 	}
--- a/backend/hdfs/fs.go
+++ b/backend/hdfs/fs.go
@@ -21,7 +21,6 @@ import (
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/config/configstruct"
 	"github.com/rclone/rclone/fs/hash"
-	"github.com/rclone/rclone/lib/pacer"
 )

 // Fs represents a HDFS server
@@ -32,15 +31,8 @@ type Fs struct {
 	opt      Options        // options for this backend
 	ci       *fs.ConfigInfo // global config
 	client   *hdfs.Client
-	pacer    *fs.Pacer // pacer for API calls
 }

-const (
-	minSleep      = 20 * time.Millisecond
-	maxSleep      = 10 * time.Second
-	decayConstant = 2 // bigger for slower decay, exponential
-)
-
 // copy-paste from https://github.com/colinmarc/hdfs/blob/master/cmd/hdfs/kerberos.go
 func getKerberosClient() (*krb.Client, error) {
 	configPath := os.Getenv("KRB5_CONFIG")
@@ -122,7 +114,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		opt:    *opt,
 		ci:     fs.GetConfig(ctx),
 		client: client,
-		pacer:  fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
 	}

 	f.features = (&fs.Features{
--- a/backend/hdfs/hdfs.go
+++ b/backend/hdfs/hdfs.go
@@ -19,10 +19,9 @@ func init() {
 		Description: "Hadoop distributed file system",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Name:      "namenode",
-			Help:      "Hadoop name node and port.\n\nE.g. \"namenode:8020\" to connect to host namenode at port 8020.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "namenode",
+			Help:     "Hadoop name node and port.\n\nE.g. \"namenode:8020\" to connect to host namenode at port 8020.",
+			Required: true,
 		}, {
 			Name: "username",
 			Help: "Hadoop user name.",
@@ -30,7 +29,6 @@ func init() {
 				Value: "root",
 				Help:  "Connect to hdfs as root.",
 			}},
-			Sensitive: true,
 		}, {
 			Name: "service_principal_name",
 			Help: `Kerberos service principal name for the namenode.
@@ -38,16 +36,15 @@ func init() {
 Enables KERBEROS authentication. Specifies the Service Principal Name
 (SERVICE/FQDN) for the namenode. E.g. \"hdfs/namenode.hadoop.docker\"
 for namenode running as service 'hdfs' with FQDN 'namenode.hadoop.docker'.`,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name: "data_transfer_protection",
 			Help: `Kerberos data transfer protection: authentication|integrity|privacy.

 Specifies whether or not authentication, data signature integrity
-checks, and wire encryption are required when communicating with
-the datanodes. Possible values are 'authentication', 'integrity'
-and 'privacy'. Used only with KERBEROS enabled.`,
+checks, and wire encryption is required when communicating the the
+datanodes. Possible values are 'authentication', 'integrity' and
+'privacy'. Used only with KERBEROS enabled.`,
 			Examples: []fs.OptionExample{{
 				Value: "privacy",
 				Help:  "Ensure authentication, integrity and encryption enabled.",
--- a/backend/hdfs/object.go
+++ b/backend/hdfs/object.go
@@ -5,12 +5,10 @@ package hdfs

 import (
 	"context"
-	"errors"
 	"io"
 	"path"
 	"time"

-	"github.com/colinmarc/hdfs/v2"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/readers"
@@ -108,7 +106,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read

 // Update object
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) error {
-	realpath := o.fs.realpath(o.remote)
+	realpath := o.fs.realpath(src.Remote())
 	dirname := path.Dir(realpath)
 	fs.Debugf(o.fs, "update [%s]", realpath)

@@ -143,23 +141,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		return err
 	}

-	// If the datanodes have acknowledged all writes but not yet
-	// to the namenode, FileWriter.Close can return ErrReplicating
-	// (wrapped in an os.PathError). This indicates that all data
-	// has been written, but the lease is still open for the file.
-	//
-	// It is safe in this case to either ignore the error (and let
-	// the lease expire on its own) or to call Close multiple
-	// times until it completes without an error. The Java client,
-	// for context, always chooses to retry, with exponential
-	// backoff.
-	err = o.fs.pacer.Call(func() (bool, error) {
-		err := out.Close()
-		if err == nil {
-			return false, nil
-		}
-		return errors.Is(err, hdfs.ErrReplicating), err
-	})
+	err = out.Close()
 	if err != nil {
 		cleanup()
 		return err
--- a/backend/hidrive/helpers.go
+++ b/backend/hidrive/helpers.go
@@ -294,6 +294,15 @@ func (f *Fs) copyOrMove(ctx context.Context, isDirectory bool, operationType Cop
 	return &result, nil
 }

+// copyDirectory moves the directory at the source-path to the destination-path and
+// returns the resulting api-object if successful.
+//
+// The operation will only be successful
+// if the parent-directory of the destination-path exists.
+func (f *Fs) copyDirectory(ctx context.Context, source string, destination string, onExist OnExistAction) (*api.HiDriveObject, error) {
+	return f.copyOrMove(ctx, true, CopyOriginalPreserveModTime, source, destination, onExist)
+}
+
 // moveDirectory moves the directory at the source-path to the destination-path and
 // returns the resulting api-object if successful.
 //
--- a/backend/hidrive/hidrive.go
+++ b/backend/hidrive/hidrive.go
@@ -2,7 +2,7 @@
 package hidrive

 // FIXME HiDrive only supports file or folder names of 255 characters or less.
-// Operations that create files or folders with longer names will throw an HTTP error:
+// Operations that create files oder folder with longer names will throw a HTTP error:
 // - 422 Unprocessable Entity
 // A more graceful way for rclone to handle this may be desirable.

@@ -338,7 +338,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			return nil, fmt.Errorf("could not access root-prefix: %w", err)
 		}
 		if item.Type != api.HiDriveObjectTypeDirectory {
-			return nil, errors.New("the root-prefix needs to point to a valid directory or be empty")
+			return nil, errors.New("The root-prefix needs to point to a valid directory or be empty")
 		}
 	}

--- a/backend/http/http.go
+++ b/backend/http/http.go
@@ -495,7 +495,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 					add(file)
 				case fs.ErrorNotAFile:
 					// ...found a directory not a file
-					add(fs.NewDir(remote, time.Time{}))
+					add(fs.NewDir(remote, timeUnset))
 				default:
 					fs.Debugf(remote, "skipping because of error: %v", err)
 				}
@@ -507,7 +507,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 		name = strings.TrimRight(name, "/")
 		remote := path.Join(dir, name)
 		if isDir {
-			add(fs.NewDir(remote, time.Time{}))
+			add(fs.NewDir(remote, timeUnset))
 		} else {
 			in <- remote
 		}
--- a/backend/http/http_internal_test.go
+++ b/backend/http/http_internal_test.go
@@ -33,9 +33,8 @@ var (
 	lineEndSize = 1
 )

-// prepareServer prepares the test server and shuts it down automatically
-// when the test completes.
-func prepareServer(t *testing.T) configmap.Simple {
+// prepareServer the test server and return a function to tidy it up afterwards
+func prepareServer(t *testing.T) (configmap.Simple, func()) {
 	// file server for test/files
 	fileServer := http.FileServer(http.Dir(filesPath))

@@ -79,21 +78,20 @@ func prepareServer(t *testing.T) configmap.Simple {
 		"url":     ts.URL,
 		"headers": strings.Join(headers, ","),
 	}
-	t.Cleanup(ts.Close)

-	return m
+	// return a function to tidy up
+	return m, ts.Close
 }

-// prepare prepares the test server and shuts it down automatically
-// when the test completes.
-func prepare(t *testing.T) fs.Fs {
-	m := prepareServer(t)
+// prepare the test server and return a function to tidy it up afterwards
+func prepare(t *testing.T) (fs.Fs, func()) {
+	m, tidy := prepareServer(t)

 	// Instantiate it
 	f, err := NewFs(context.Background(), remoteName, "", m)
 	require.NoError(t, err)

-	return f
+	return f, tidy
 }

 func testListRoot(t *testing.T, f fs.Fs, noSlash bool) {
@@ -136,19 +134,22 @@ func testListRoot(t *testing.T, f fs.Fs, noSlash bool) {
 }

 func TestListRoot(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()
 	testListRoot(t, f, false)
 }

 func TestListRootNoSlash(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
 	f.(*Fs).opt.NoSlash = true
+	defer tidy()

 	testListRoot(t, f, true)
 }

 func TestListSubDir(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	entries, err := f.List(context.Background(), "three")
 	require.NoError(t, err)
@@ -165,7 +166,8 @@ func TestListSubDir(t *testing.T) {
 }

 func TestNewObject(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	o, err := f.NewObject(context.Background(), "four/under four.txt")
 	require.NoError(t, err)
@@ -192,7 +194,8 @@ func TestNewObject(t *testing.T) {
 }

 func TestOpen(t *testing.T) {
-	m := prepareServer(t)
+	m, tidy := prepareServer(t)
+	defer tidy()

 	for _, head := range []bool{false, true} {
 		if !head {
@@ -254,7 +257,8 @@ func TestOpen(t *testing.T) {
 }

 func TestMimeType(t *testing.T) {
-	f := prepare(t)
+	f, tidy := prepare(t)
+	defer tidy()

 	o, err := f.NewObject(context.Background(), "four/under four.txt")
 	require.NoError(t, err)
@@ -265,7 +269,8 @@ func TestMimeType(t *testing.T) {
 }

 func TestIsAFileRoot(t *testing.T) {
-	m := prepareServer(t)
+	m, tidy := prepareServer(t)
+	defer tidy()

 	f, err := NewFs(context.Background(), remoteName, "one%.txt", m)
 	assert.Equal(t, err, fs.ErrorIsFile)
@@ -274,7 +279,8 @@ func TestIsAFileRoot(t *testing.T) {
 }

 func TestIsAFileSubDir(t *testing.T) {
-	m := prepareServer(t)
+	m, tidy := prepareServer(t)
+	defer tidy()

 	f, err := NewFs(context.Background(), remoteName, "three/underthree.txt", m)
 	assert.Equal(t, err, fs.ErrorIsFile)
--- a/backend/internetarchive/internetarchive.go
+++ b/backend/internetarchive/internetarchive.go
@@ -133,13 +133,11 @@ Owner is able to add custom keys. Metadata feature grabs all the keys including
 		},

 		Options: []fs.Option{{
-			Name:      "access_key_id",
-			Help:      "IAS3 Access Key.\n\nLeave blank for anonymous access.\nYou can find one here: https://archive.org/account/s3.php",
-			Sensitive: true,
+			Name: "access_key_id",
+			Help: "IAS3 Access Key.\n\nLeave blank for anonymous access.\nYou can find one here: https://archive.org/account/s3.php",
 		}, {
-			Name:      "secret_access_key",
-			Help:      "IAS3 Secret Key (password).\n\nLeave blank for anonymous access.",
-			Sensitive: true,
+			Name: "secret_access_key",
+			Help: "IAS3 Secret Key (password).\n\nLeave blank for anonymous access.",
 		}, {
 			// their official client (https://github.com/jjjake/internetarchive) hardcodes following the two
 			Name:     "endpoint",
--- a/backend/jottacloud/api/types.go
+++ b/backend/jottacloud/api/types.go
@@ -395,7 +395,7 @@ type JottaFile struct {
 	State           string    `xml:"currentRevision>state"`
 	CreatedAt       JottaTime `xml:"currentRevision>created"`
 	ModifiedAt      JottaTime `xml:"currentRevision>modified"`
-	UpdatedAt       JottaTime `xml:"currentRevision>updated"`
+	Updated         JottaTime `xml:"currentRevision>updated"`
 	Size            int64     `xml:"currentRevision>size"`
 	MimeType        string    `xml:"currentRevision>mime"`
 	MD5             string    `xml:"currentRevision>md5"`
--- a/backend/jottacloud/jottacloud.go
+++ b/backend/jottacloud/jottacloud.go
@@ -67,21 +67,13 @@ const (
 	legacyEncryptedClientSecret = "Vp8eAv7eVElMnQwN-kgU9cbhgApNDaMqWdlDi5qFydlQoji4JBxrGMF2"
 	legacyConfigVersion         = 0

-	teliaseCloudTokenURL = "https://cloud-auth.telia.se/auth/realms/telia_se/protocol/openid-connect/token"
-	teliaseCloudAuthURL  = "https://cloud-auth.telia.se/auth/realms/telia_se/protocol/openid-connect/auth"
-	teliaseCloudClientID = "desktop"
-
-	telianoCloudTokenURL = "https://sky-auth.telia.no/auth/realms/get/protocol/openid-connect/token"
-	telianoCloudAuthURL  = "https://sky-auth.telia.no/auth/realms/get/protocol/openid-connect/auth"
-	telianoCloudClientID = "desktop"
+	teliaCloudTokenURL = "https://cloud-auth.telia.se/auth/realms/telia_se/protocol/openid-connect/token"
+	teliaCloudAuthURL  = "https://cloud-auth.telia.se/auth/realms/telia_se/protocol/openid-connect/auth"
+	teliaCloudClientID = "desktop"

 	tele2CloudTokenURL = "https://mittcloud-auth.tele2.se/auth/realms/comhem/protocol/openid-connect/token"
 	tele2CloudAuthURL  = "https://mittcloud-auth.tele2.se/auth/realms/comhem/protocol/openid-connect/auth"
 	tele2CloudClientID = "desktop"
-
-	onlimeCloudTokenURL = "https://cloud-auth.onlime.dk/auth/realms/onlime_wl/protocol/openid-connect/token"
-	onlimeCloudAuthURL  = "https://cloud-auth.onlime.dk/auth/realms/onlime_wl/protocol/openid-connect/auth"
-	onlimeCloudClientID = "desktop"
 )

 // Register with Fs
@@ -92,34 +84,7 @@ func init() {
 		Description: "Jottacloud",
 		NewFs:       NewFs,
 		Config:      Config,
-		MetadataInfo: &fs.MetadataInfo{
-			Help: `Jottacloud has limited support for metadata, currently an extended set of timestamps.`,
-			System: map[string]fs.MetadataHelp{
-				"btime": {
-					Help:    "Time of file birth (creation), read from rclone metadata",
-					Type:    "RFC 3339",
-					Example: "2006-01-02T15:04:05.999999999Z07:00",
-				},
-				"mtime": {
-					Help:    "Time of last modification, read from rclone metadata",
-					Type:    "RFC 3339",
-					Example: "2006-01-02T15:04:05.999999999Z07:00",
-				},
-				"utime": {
-					Help:     "Time of last upload, when current revision was created, generated by backend",
-					Type:     "RFC 3339",
-					Example:  "2006-01-02T15:04:05.999999999Z07:00",
-					ReadOnly: true,
-				},
-				"content-type": {
-					Help:     "MIME type, also known as media type",
-					Type:     "string",
-					Example:  "text/plain",
-					ReadOnly: true,
-				},
-			},
-		},
-		Options: append(oauthutil.SharedOptions, []fs.Option{{
+		Options: []fs.Option{{
 			Name:     "md5_memory_limit",
 			Help:     "Files bigger than this will be cached on disk to calculate the MD5 if required.",
 			Default:  fs.SizeSuffix(10 * 1024 * 1024),
@@ -154,7 +119,7 @@ func init() {
 			Default: (encoder.Display |
 				encoder.EncodeWin | // :?"*<>|
 				encoder.EncodeInvalidUtf8),
-		}}...),
+		}},
 	})
 }

@@ -169,17 +134,11 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 			Value: "legacy",
 			Help:  "Legacy authentication.\nThis is only required for certain whitelabel versions of Jottacloud and not recommended for normal users.",
 		}, {
-			Value: "telia_se",
-			Help:  "Telia Cloud authentication.\nUse this if you are using Telia Cloud (Sweden).",
-		}, {
-			Value: "telia_no",
-			Help:  "Telia Sky authentication.\nUse this if you are using Telia Sky (Norway).",
+			Value: "telia",
+			Help:  "Telia Cloud authentication.\nUse this if you are using Telia Cloud.",
 		}, {
 			Value: "tele2",
 			Help:  "Tele2 Cloud authentication.\nUse this if you are using Tele2 Cloud.",
-		}, {
-			Value: "onlime",
-			Help:  "Onlime Cloud authentication.\nUse this if you are using Onlime Cloud.",
 		}})
 	case "auth_type_done":
 		// Jump to next state according to config chosen
@@ -272,32 +231,17 @@ machines.`)
 			return nil, fmt.Errorf("error while saving token: %w", err)
 		}
 		return fs.ConfigGoto("choose_device")
-	case "telia_se": // telia_se cloud config
+	case "telia": // telia cloud config
 		m.Set("configVersion", fmt.Sprint(configVersion))
-		m.Set(configClientID, teliaseCloudClientID)
-		m.Set(configTokenURL, teliaseCloudTokenURL)
+		m.Set(configClientID, teliaCloudClientID)
+		m.Set(configTokenURL, teliaCloudTokenURL)
 		return oauthutil.ConfigOut("choose_device", &oauthutil.Options{
 			OAuth2Config: &oauth2.Config{
 				Endpoint: oauth2.Endpoint{
-					AuthURL:  teliaseCloudAuthURL,
-					TokenURL: teliaseCloudTokenURL,
+					AuthURL:  teliaCloudAuthURL,
+					TokenURL: teliaCloudTokenURL,
 				},
-				ClientID:    teliaseCloudClientID,
-				Scopes:      []string{"openid", "jotta-default", "offline_access"},
-				RedirectURL: oauthutil.RedirectLocalhostURL,
-			},
-		})
-	case "telia_no": // telia_no cloud config
-		m.Set("configVersion", fmt.Sprint(configVersion))
-		m.Set(configClientID, telianoCloudClientID)
-		m.Set(configTokenURL, telianoCloudTokenURL)
-		return oauthutil.ConfigOut("choose_device", &oauthutil.Options{
-			OAuth2Config: &oauth2.Config{
-				Endpoint: oauth2.Endpoint{
-					AuthURL:  telianoCloudAuthURL,
-					TokenURL: telianoCloudTokenURL,
-				},
-				ClientID:    telianoCloudClientID,
+				ClientID:    teliaCloudClientID,
 				Scopes:      []string{"openid", "jotta-default", "offline_access"},
 				RedirectURL: oauthutil.RedirectLocalhostURL,
 			},
@@ -317,21 +261,6 @@ machines.`)
 				RedirectURL: oauthutil.RedirectLocalhostURL,
 			},
 		})
-	case "onlime": // onlime cloud config
-		m.Set("configVersion", fmt.Sprint(configVersion))
-		m.Set(configClientID, onlimeCloudClientID)
-		m.Set(configTokenURL, onlimeCloudTokenURL)
-		return oauthutil.ConfigOut("choose_device", &oauthutil.Options{
-			OAuth2Config: &oauth2.Config{
-				Endpoint: oauth2.Endpoint{
-					AuthURL:  onlimeCloudAuthURL,
-					TokenURL: onlimeCloudTokenURL,
-				},
-				ClientID:    onlimeCloudClientID,
-				Scopes:      []string{"openid", "jotta-default", "offline_access"},
-				RedirectURL: oauthutil.RedirectLocalhostURL,
-			},
-		})
 	case "choose_device":
 		return fs.ConfigConfirm("choose_device_query", false, "config_non_standard", `Use a non-standard device/mountpoint?
 Choosing no, the default, will let you access the storage used for the archive
@@ -524,9 +453,7 @@ type Object struct {
 	remote      string
 	hasMetaData bool
 	size        int64
-	createTime  time.Time
 	modTime     time.Time
-	updateTime  time.Time
 	md5         string
 	mimeType    string
 }
@@ -1001,9 +928,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		CanHaveEmptyDirectories: true,
 		ReadMimeType:            true,
 		WriteMimeType:           false,
-		ReadMetadata:            true,
-		WriteMetadata:           true,
-		UserMetadata:            false,
 	}).Fill(ctx, f)
 	f.jfsSrv.SetErrorHandler(errorHandler)
 	if opt.TrashedOnly { // we cannot support showing Trashed Files when using ListR right now
@@ -1190,7 +1114,6 @@ func parseListRStream(ctx context.Context, r io.Reader, filesystem *Fs, callback
 			remote:      filesystem.opt.Enc.ToStandardPath(path.Join(f.Path, f.Name)),
 			size:        f.Size,
 			md5:         f.Checksum,
-			createTime:  time.Time(f.Created),
 			modTime:     time.Time(f.Modified),
 		})
 	}
@@ -1420,7 +1343,7 @@ func (f *Fs) Purge(ctx context.Context, dir string) error {
 // is currently in trash, but can be made to match, it will be
 // restored. Returns ErrorObjectNotFound if upload will be necessary
 // to get a matching remote file.
-func (f *Fs) createOrUpdate(ctx context.Context, file string, createTime time.Time, modTime time.Time, size int64, md5 string) (info *api.JottaFile, err error) {
+func (f *Fs) createOrUpdate(ctx context.Context, file string, modTime time.Time, size int64, md5 string) (info *api.JottaFile, err error) {
 	opts := rest.Opts{
 		Method:       "POST",
 		Path:         f.filePath(file),
@@ -1430,10 +1353,11 @@ func (f *Fs) createOrUpdate(ctx context.Context, file string, createTime time.Ti

 	opts.Parameters.Set("cphash", "true")

+	fileDate := api.JottaTime(modTime).String()
 	opts.ExtraHeaders["JSize"] = strconv.FormatInt(size, 10)
 	opts.ExtraHeaders["JMd5"] = md5
-	opts.ExtraHeaders["JCreated"] = api.JottaTime(createTime).String()
-	opts.ExtraHeaders["JModified"] = api.JottaTime(modTime).String()
+	opts.ExtraHeaders["JCreated"] = fileDate
+	opts.ExtraHeaders["JModified"] = fileDate

 	var resp *http.Response
 	err = f.pacer.Call(func() (bool, error) {
@@ -1496,7 +1420,7 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	// if destination was a trashed file then after a successful copy the copied file is still in trash (bug in api?)
 	if err == nil && bool(info.Deleted) && !f.opt.TrashedOnly && info.State == "COMPLETED" {
 		fs.Debugf(src, "Server-side copied to trashed destination, restoring")
-		info, err = f.createOrUpdate(ctx, remote, srcObj.createTime, srcObj.modTime, srcObj.size, srcObj.md5)
+		info, err = f.createOrUpdate(ctx, remote, srcObj.modTime, srcObj.size, srcObj.md5)
 	}

 	if err != nil {
@@ -1759,9 +1683,7 @@ func (o *Object) setMetaData(info *api.JottaFile) (err error) {
 	o.size = info.Size
 	o.md5 = info.MD5
 	o.mimeType = info.MimeType
-	o.createTime = time.Time(info.CreatedAt)
 	o.modTime = time.Time(info.ModifiedAt)
-	o.updateTime = time.Time(info.UpdatedAt)
 	return nil
 }

@@ -1806,7 +1728,7 @@ func (o *Object) SetModTime(ctx context.Context, modTime time.Time) error {
 	// (note that if size/md5 does not match, the file content will
 	// also be modified if deduplication is possible, i.e. it is
 	// important to use correct/latest values)
-	_, err = o.fs.createOrUpdate(ctx, o.remote, o.createTime, modTime, o.size, o.md5)
+	_, err = o.fs.createOrUpdate(ctx, o.remote, modTime, o.size, o.md5)
 	if err != nil {
 		if err == fs.ErrorObjectNotFound {
 			// file was modified (size/md5 changed) between readMetaData and createOrUpdate?
@@ -1916,12 +1838,12 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		if err == nil {
 			// if the object exists delete it
 			err = o.remove(ctx, true)
-			if err != nil && err != fs.ErrorObjectNotFound {
-				// if delete failed then report that, unless it was because the file did not exist after all
+			if err != nil {
 				return fmt.Errorf("failed to remove old object: %w", err)
 			}
-		} else if err != fs.ErrorObjectNotFound {
-			// if the object does not exist we can just continue but if the error is something different we should report that
+		}
+		// if the object does not exist we can just continue but if the error is something different we should report that
+		if err != fs.ErrorObjectNotFound {
 			return err
 		}
 	}
@@ -1943,37 +1865,6 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		// Wrap the accounting back onto the stream
 		in = wrap(in)
 	}
-	// Fetch metadata if --metadata is in use
-	meta, err := fs.GetMetadataOptions(ctx, src, options)
-	if err != nil {
-		return fmt.Errorf("failed to read metadata from source object: %w", err)
-	}
-	var createdTime string
-	var modTime string
-	if meta != nil {
-		if v, ok := meta["btime"]; ok {
-			t, err := time.Parse(time.RFC3339Nano, v) // metadata stores RFC3339Nano timestamps
-			if err != nil {
-				fs.Debugf(o, "failed to parse metadata btime: %q: %v", v, err)
-			} else {
-				createdTime = api.Rfc3339Time(t).String() // jottacloud api wants RFC3339 timestamps
-			}
-		}
-		if v, ok := meta["mtime"]; ok {
-			t, err := time.Parse(time.RFC3339Nano, v)
-			if err != nil {
-				fs.Debugf(o, "failed to parse metadata mtime: %q: %v", v, err)
-			} else {
-				modTime = api.Rfc3339Time(t).String()
-			}
-		}
-	}
-	if modTime == "" { // prefer mtime in meta as Modified time, fallback to source ModTime
-		modTime = api.Rfc3339Time(src.ModTime(ctx)).String()
-	}
-	if createdTime == "" { // if no Created time set same as Modified
-		createdTime = modTime
-	}

 	// use the api to allocate the file first and get resume / deduplication info
 	var resp *http.Response
@@ -1983,12 +1874,13 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		Options:      options,
 		ExtraHeaders: make(map[string]string),
 	}
+	fileDate := api.Rfc3339Time(src.ModTime(ctx)).String()

 	// the allocate request
 	var request = api.AllocateFileRequest{
 		Bytes:    size,
-		Created:  createdTime,
-		Modified: modTime,
+		Created:  fileDate,
+		Modified: fileDate,
 		Md5:      md5String,
 		Path:     o.fs.allocatePathRaw(o.remote, true),
 	}
@@ -2003,10 +1895,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		return err
 	}

-	// If the file state is INCOMPLETE and CORRUPT, we must upload it.
-	// Else, if the file state is COMPLETE, we don't need to upload it because
-	// the content is already there, possibly it was created with deduplication,
-	// and also any metadata changes are already performed by the allocate request.
+	// If the file state is INCOMPLETE and CORRUPT, try to upload a then
 	if response.State != "COMPLETED" {
 		// how much do we still have to upload?
 		remainingBytes := size - response.ResumePos
@@ -2030,18 +1919,22 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		}

 		// send the remaining bytes
-		_, err = o.fs.apiSrv.CallJSON(ctx, &opts, nil, &result)
+		resp, err = o.fs.apiSrv.CallJSON(ctx, &opts, nil, &result)
 		if err != nil {
 			return err
 		}

-		// Upload response contains main metadata properties (size, md5 and modTime)
-		// which could be set back to the object, but it does not contain the
-		// necessary information to set the createTime and updateTime properties,
-		// so must therefore perform a read instead.
+		// finally update the meta data
+		o.hasMetaData = true
+		o.size = result.Bytes
+		o.md5 = result.Md5
+		o.modTime = time.Unix(result.Modified/1000, 0)
+	} else {
+		// If the file state is COMPLETE we don't need to upload it because the file was already found but we still ned to update our metadata
+		return o.readMetaData(ctx, true)
 	}
-	// in any case we must update the object meta data
-	return o.readMetaData(ctx, true)
+
+	return nil
 }

 func (o *Object) remove(ctx context.Context, hard bool) error {
@@ -2058,17 +1951,10 @@ func (o *Object) remove(ctx context.Context, hard bool) error {
 		opts.Parameters.Set("dl", "true")
 	}

-	err := o.fs.pacer.Call(func() (bool, error) {
+	return o.fs.pacer.Call(func() (bool, error) {
 		resp, err := o.fs.jfsSrv.CallXML(ctx, &opts, nil, nil)
 		return shouldRetry(ctx, resp, err)
 	})
-	if apiErr, ok := err.(*api.Error); ok {
-		// attempting to hard delete will fail if path does not exist, but standard delete will succeed
-		if apiErr.StatusCode == http.StatusNotFound {
-			return fs.ErrorObjectNotFound
-		}
-	}
-	return err
 }

 // Remove an object
@@ -2076,22 +1962,6 @@ func (o *Object) Remove(ctx context.Context) error {
 	return o.remove(ctx, o.fs.opt.HardDelete)
 }

-// Metadata returns metadata for an object
-//
-// It should return nil if there is no Metadata
-func (o *Object) Metadata(ctx context.Context) (metadata fs.Metadata, err error) {
-	err = o.readMetaData(ctx, false)
-	if err != nil {
-		fs.Logf(o, "Failed to read metadata: %v", err)
-		return nil, err
-	}
-	metadata.Set("btime", o.createTime.Format(time.RFC3339Nano)) // metadata timestamps should be RFC3339Nano
-	metadata.Set("mtime", o.modTime.Format(time.RFC3339Nano))
-	metadata.Set("utime", o.updateTime.Format(time.RFC3339Nano))
-	metadata.Set("content-type", o.mimeType)
-	return metadata, nil
-}
-
 // Check the interfaces are satisfied
 var (
 	_ fs.Fs           = (*Fs)(nil)
@@ -2106,5 +1976,4 @@ var (
 	_ fs.CleanUpper   = (*Fs)(nil)
 	_ fs.Object       = (*Object)(nil)
 	_ fs.MimeTyper    = (*Object)(nil)
-	_ fs.Metadataer   = (*Object)(nil)
 )
--- a/backend/jottacloud/jottacloud_internal_test.go
+++ b/backend/jottacloud/jottacloud_internal_test.go
@@ -1,17 +1,11 @@
 package jottacloud

 import (
-	"context"
 	"crypto/md5"
 	"fmt"
 	"io"
 	"testing"
-	"time"

-	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fstest"
-	"github.com/rclone/rclone/fstest/fstests"
-	"github.com/rclone/rclone/lib/random"
 	"github.com/rclone/rclone/lib/readers"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -46,48 +40,3 @@ func TestReadMD5(t *testing.T) {
 		})
 	}
 }
-
-func (f *Fs) InternalTestMetadata(t *testing.T) {
-	ctx := context.Background()
-	contents := random.String(1000)
-
-	item := fstest.NewItem("test-metadata", contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
-	utime := time.Now()
-	metadata := fs.Metadata{
-		"btime": "2009-05-06T04:05:06.499999999Z",
-		"mtime": "2010-06-07T08:09:07.599999999Z",
-		//"utime" - read-only
-		//"content-type" - read-only
-	}
-	obj := fstests.PutTestContentsMetadata(ctx, t, f, &item, contents, true, "text/html", metadata)
-	defer func() {
-		assert.NoError(t, obj.Remove(ctx))
-	}()
-	o := obj.(*Object)
-	gotMetadata, err := o.Metadata(ctx)
-	require.NoError(t, err)
-	for k, v := range metadata {
-		got := gotMetadata[k]
-		switch k {
-		case "btime":
-			assert.True(t, fstest.Time(v).Truncate(f.Precision()).Equal(fstest.Time(got)), fmt.Sprintf("btime not equal want %v got %v", v, got))
-		case "mtime":
-			assert.True(t, fstest.Time(v).Truncate(f.Precision()).Equal(fstest.Time(got)), fmt.Sprintf("btime not equal want %v got %v", v, got))
-		case "utime":
-			gotUtime := fstest.Time(got)
-			dt := gotUtime.Sub(utime)
-			assert.True(t, dt < time.Minute && dt > -time.Minute, fmt.Sprintf("utime more than 1 minute out want %v got %v delta %v", utime, gotUtime, dt))
-			assert.True(t, fstest.Time(v).Equal(fstest.Time(got)))
-		case "content-type":
-			assert.True(t, o.MimeType(ctx) == got)
-		default:
-			assert.Equal(t, v, got, k)
-		}
-	}
-}
-
-func (f *Fs) InternalTest(t *testing.T) {
-	t.Run("Metadata", f.InternalTestMetadata)
-}
-
-var _ fstests.InternalTester = (*Fs)(nil)
--- a/backend/koofr/koofr.go
+++ b/backend/koofr/koofr.go
@@ -61,10 +61,9 @@ func init() {
 			Default:  true,
 			Advanced: true,
 		}, {
-			Name:      "user",
-			Help:      "Your user name.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "user",
+			Help:     "Your user name.",
+			Required: true,
 		}, {
 			Name:       "password",
 			Help:       "Your password for rclone (generate one at https://app.koofr.net/app/admin/preferences/password).",
@@ -377,7 +376,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 	for i, file := range files {
 		remote := path.Join(dir, f.opt.Enc.ToStandardName(file.Name))
 		if file.Type == "dir" {
-			entries[i] = fs.NewDir(remote, time.Time{})
+			entries[i] = fs.NewDir(remote, time.Unix(0, 0))
 		} else {
 			entries[i] = &Object{
 				fs:     f,
--- a/backend/local/local.go
+++ b/backend/local/local.go
@@ -13,7 +13,6 @@ import (
 	"runtime"
 	"strings"
 	"sync"
-	"sync/atomic"
 	"time"
 	"unicode/utf8"

@@ -244,7 +243,7 @@ type Fs struct {
 	precision      time.Duration       // precision of local filesystem
 	warnedMu       sync.Mutex          // used for locking access to 'warned'.
 	warned         map[string]struct{} // whether we have warned about this string
-	xattrSupported atomic.Int32        // whether xattrs are supported
+	xattrSupported int32               // whether xattrs are supported (atomic access)

 	// do os.Lstat or os.Stat
 	lstat        func(name string) (os.FileInfo, error)
@@ -267,10 +266,7 @@ type Object struct {

 // ------------------------------------------------------------

-var (
-	errLinksAndCopyLinks = errors.New("can't use -l/--links with -L/--copy-links")
-	errLinksNeedsSuffix  = errors.New("need \"" + linkSuffix + "\" suffix to refer to symlink when using -l/--links")
-)
+var errLinksAndCopyLinks = errors.New("can't use -l/--links with -L/--copy-links")

 // NewFs constructs an Fs from the path
 func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, error) {
@@ -292,7 +288,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		lstat:  os.Lstat,
 	}
 	if xattrSupported {
-		f.xattrSupported.Store(1)
+		f.xattrSupported = 1
 	}
 	f.root = cleanRootPath(root, f.opt.NoUNC, f.opt.Enc)
 	f.features = (&fs.Features{
@@ -304,7 +300,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		WriteMetadata:           true,
 		UserMetadata:            xattrSupported, // can only R/W general purpose metadata if xattrs are supported
 		FilterAware:             true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	if opt.FollowSymlinks {
 		f.lstat = os.Stat
@@ -315,16 +310,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if err == nil {
 		f.dev = readDevice(fi, f.opt.OneFileSystem)
 	}
-	// Check to see if this is a .rclonelink if not found
-	hasLinkSuffix := strings.HasSuffix(f.root, linkSuffix)
-	if hasLinkSuffix && opt.TranslateSymlinks && os.IsNotExist(err) {
-		fi, err = f.lstat(strings.TrimSuffix(f.root, linkSuffix))
-	}
 	if err == nil && f.isRegular(fi.Mode()) {
-		// Handle the odd case, that a symlink was specified by name without the link suffix
-		if !hasLinkSuffix && opt.TranslateSymlinks && fi.Mode()&os.ModeSymlink != 0 {
-			return nil, errLinksNeedsSuffix
-		}
 		// It is a file, so use the parent as the root
 		f.root = filepath.Dir(f.root)
 		// return an error with an fs which points to the parent
@@ -517,7 +503,7 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 								continue
 							}
 						}
-						fierr = fmt.Errorf("failed to get info about directory entry %q: %w", namepath, fierr)
+						err = fmt.Errorf("failed to read directory %q: %w", namepath, err)
 						fs.Errorf(dir, "%v", fierr)
 						_ = accounting.Stats(ctx).Error(fserrors.NoRetryError(fierr)) // fail the sync
 						continue
@@ -538,10 +524,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 			if f.opt.FollowSymlinks && (mode&os.ModeSymlink) != 0 {
 				localPath := filepath.Join(fsDirPath, name)
 				fi, err = os.Stat(localPath)
-				// Quietly skip errors on excluded files and directories
-				if err != nil && useFilter && !filter.IncludeRemote(newRemote) {
-					continue
-				}
 				if os.IsNotExist(err) || isCircularSymlinkError(err) {
 					// Skip bad symlinks and circular symlinks
 					err = fserrors.NoRetryError(fmt.Errorf("symlink: %w", err))
@@ -554,6 +536,11 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 				}
 				mode = fi.Mode()
 			}
+			// Don't include non directory if not included
+			// we leave directory filtering to the layer above
+			if useFilter && !fi.IsDir() && !filter.IncludeRemote(newRemote) {
+				continue
+			}
 			if fi.IsDir() {
 				// Ignore directories which are symlinks.  These are junction points under windows which
 				// are kind of a souped up symlink. Unix doesn't have directories which are symlinks.
@@ -566,11 +553,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 				if f.opt.TranslateSymlinks && fi.Mode()&os.ModeSymlink != 0 {
 					newRemote += linkSuffix
 				}
-				// Don't include non directory if not included
-				// we leave directory filtering to the layer above
-				if useFilter && !filter.IncludeRemote(newRemote) {
-					continue
-				}
 				fso, err := f.newObjectWithInfo(newRemote, fi)
 				if err != nil {
 					return nil, err
@@ -642,13 +624,7 @@ func (f *Fs) Mkdir(ctx context.Context, dir string) error {
 //
 // If it isn't empty it will return an error
 func (f *Fs) Rmdir(ctx context.Context, dir string) error {
-	localPath := f.localPath(dir)
-	if fi, err := os.Stat(localPath); err != nil {
-		return err
-	} else if !fi.IsDir() {
-		return fs.ErrorIsFile
-	}
-	return os.Remove(localPath)
+	return os.Remove(f.localPath(dir))
 }

 // Precision of the file system
--- a/backend/local/local_internal_test.go
+++ b/backend/local/local_internal_test.go
@@ -14,12 +14,10 @@ import (
 	"time"

 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fs/accounting"
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/filter"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/fs/object"
-	"github.com/rclone/rclone/fs/operations"
 	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/lib/file"
 	"github.com/rclone/rclone/lib/readers"
@@ -35,6 +33,7 @@ func TestMain(m *testing.M) {
 // Test copy with source file that's updating
 func TestUpdatingCheck(t *testing.T) {
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	filePath := "sub dir/local test"
 	r.WriteFile(filePath, "content", time.Now())

@@ -79,6 +78,7 @@ func TestUpdatingCheck(t *testing.T) {
 func TestSymlink(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	f := r.Flocal.(*Fs)
 	dir := f.root

@@ -147,20 +147,6 @@ func TestSymlink(t *testing.T) {
 	_, err = r.Flocal.NewObject(ctx, "symlink2.txt")
 	require.Equal(t, fs.ErrorObjectNotFound, err)

-	// Check that NewFs works with the suffixed version and --links
-	f2, err := NewFs(ctx, "local", filepath.Join(dir, "symlink2.txt"+linkSuffix), configmap.Simple{
-		"links": "true",
-	})
-	require.Equal(t, fs.ErrorIsFile, err)
-	require.Equal(t, dir, f2.(*Fs).root)
-
-	// Check that NewFs doesn't see the non suffixed version with --links
-	f2, err = NewFs(ctx, "local", filepath.Join(dir, "symlink2.txt"), configmap.Simple{
-		"links": "true",
-	})
-	require.Equal(t, errLinksNeedsSuffix, err)
-	require.Nil(t, f2)
-
 	// Check reading the object
 	in, err := o.Open(ctx)
 	require.NoError(t, err)
@@ -191,6 +177,7 @@ func TestSymlinkError(t *testing.T) {
 func TestHashOnUpdate(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "file.txt"
 	when := time.Now()
 	r.WriteFile(filePath, "content", when)
@@ -221,6 +208,7 @@ func TestHashOnUpdate(t *testing.T) {
 func TestHashOnDelete(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "file.txt"
 	when := time.Now()
 	r.WriteFile(filePath, "content", when)
@@ -249,6 +237,7 @@ func TestHashOnDelete(t *testing.T) {
 func TestMetadata(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	const filePath = "metafile.txt"
 	when := time.Now()
 	const dayLength = len("2001-01-01")
@@ -383,6 +372,7 @@ func TestMetadata(t *testing.T) {
 func TestFilter(t *testing.T) {
 	ctx := context.Background()
 	r := fstest.NewRun(t)
+	defer r.Finalise()
 	when := time.Now()
 	r.WriteFile("included", "included file", when)
 	r.WriteFile("excluded", "excluded file", when)
@@ -411,147 +401,3 @@ func TestFilter(t *testing.T) {
 	sort.Sort(entries)
 	require.Equal(t, "[included]", fmt.Sprint(entries))
 }
-
-func testFilterSymlink(t *testing.T, copyLinks bool) {
-	ctx := context.Background()
-	r := fstest.NewRun(t)
-	defer r.Finalise()
-	when := time.Now()
-	f := r.Flocal.(*Fs)
-
-	// Create a file, a directory, a symlink to a file, a symlink to a directory and a dangling symlink
-	r.WriteFile("included.file", "included file", when)
-	r.WriteFile("included.dir/included.sub.file", "included sub file", when)
-	require.NoError(t, os.Symlink("included.file", filepath.Join(r.LocalName, "included.file.link")))
-	require.NoError(t, os.Symlink("included.dir", filepath.Join(r.LocalName, "included.dir.link")))
-	require.NoError(t, os.Symlink("dangling", filepath.Join(r.LocalName, "dangling.link")))
-
-	defer func() {
-		// Reset -L/-l mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Lstat
-	}()
-	if copyLinks {
-		// Set fs into "-L" mode
-		f.opt.FollowSymlinks = true
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Stat
-	} else {
-		// Set fs into "-l" mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = true
-		f.lstat = os.Lstat
-	}
-
-	// Check set up for filtering
-	assert.True(t, f.Features().FilterAware)
-
-	// Reset global error count
-	accounting.Stats(ctx).ResetErrors()
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	// Add a filter
-	ctx, fi := filter.AddConfig(ctx)
-	require.NoError(t, fi.AddRule("+ included.file"))
-	require.NoError(t, fi.AddRule("+ included.dir/**"))
-	if copyLinks {
-		require.NoError(t, fi.AddRule("+ included.file.link"))
-		require.NoError(t, fi.AddRule("+ included.dir.link/**"))
-	} else {
-		require.NoError(t, fi.AddRule("+ included.file.link.rclonelink"))
-		require.NoError(t, fi.AddRule("+ included.dir.link.rclonelink"))
-	}
-	require.NoError(t, fi.AddRule("- *"))
-
-	// Check listing without use filter flag
-	entries, err := f.List(ctx, "")
-	require.NoError(t, err)
-
-	if copyLinks {
-		// Check 1 global errors one for each dangling symlink
-		assert.Equal(t, int64(1), accounting.Stats(ctx).GetErrors(), "global errors found")
-	} else {
-		// Check 0 global errors as dangling symlink copied properly
-		assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-	}
-	accounting.Stats(ctx).ResetErrors()
-
-	sort.Sort(entries)
-	if copyLinks {
-		require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
-	} else {
-		require.Equal(t, "[dangling.link.rclonelink included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
-	}
-
-	// Add user filter flag
-	ctx = filter.SetUseFilter(ctx, true)
-
-	// Check listing with use filter flag
-	entries, err = f.List(ctx, "")
-	require.NoError(t, err)
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	sort.Sort(entries)
-	if copyLinks {
-		require.Equal(t, "[included.dir included.dir.link included.file included.file.link]", fmt.Sprint(entries))
-	} else {
-		require.Equal(t, "[included.dir included.dir.link.rclonelink included.file included.file.link.rclonelink]", fmt.Sprint(entries))
-	}
-
-	// Check listing through a symlink still works
-	entries, err = f.List(ctx, "included.dir")
-	require.NoError(t, err)
-	assert.Equal(t, int64(0), accounting.Stats(ctx).GetErrors(), "global errors found")
-
-	sort.Sort(entries)
-	require.Equal(t, "[included.dir/included.sub.file]", fmt.Sprint(entries))
-}
-
-func TestFilterSymlinkCopyLinks(t *testing.T) {
-	testFilterSymlink(t, true)
-}
-
-func TestFilterSymlinkLinks(t *testing.T) {
-	testFilterSymlink(t, false)
-}
-
-func TestCopySymlink(t *testing.T) {
-	ctx := context.Background()
-	r := fstest.NewRun(t)
-	defer r.Finalise()
-	when := time.Now()
-	f := r.Flocal.(*Fs)
-
-	// Create a file and a symlink to it
-	r.WriteFile("src/file.txt", "hello world", when)
-	require.NoError(t, os.Symlink("file.txt", filepath.Join(r.LocalName, "src", "link.txt")))
-	defer func() {
-		// Reset -L/-l mode
-		f.opt.FollowSymlinks = false
-		f.opt.TranslateSymlinks = false
-		f.lstat = os.Lstat
-	}()
-
-	// Set fs into "-l/--links" mode
-	f.opt.FollowSymlinks = false
-	f.opt.TranslateSymlinks = true
-	f.lstat = os.Lstat
-
-	// Create dst
-	require.NoError(t, f.Mkdir(ctx, "dst"))
-
-	// Do copy from src into dst
-	src, err := f.NewObject(ctx, "src/link.txt.rclonelink")
-	require.NoError(t, err)
-	require.NotNil(t, src)
-	dst, err := operations.Copy(ctx, f, nil, "dst/link.txt.rclonelink", src)
-	require.NoError(t, err)
-	require.NotNil(t, dst)
-
-	// Test that we made a symlink and it has the right contents
-	dstPath := filepath.Join(r.LocalName, "dst", "link.txt")
-	linkContents, err := os.Readlink(dstPath)
-	require.NoError(t, err)
-	assert.Equal(t, "file.txt", linkContents)
-}
--- a/backend/local/metadata_linux.go
+++ b/backend/local/metadata_linux.go
@@ -5,7 +5,6 @@ package local

 import (
 	"fmt"
-	"runtime"
 	"sync"
 	"time"

@@ -24,7 +23,7 @@ func (o *Object) readMetadataFromFile(m *fs.Metadata) (err error) {
 		// Check statx() is available as it was only introduced in kernel 4.11
 		// If not, fall back to fstatat() which was introduced in 2.6.16 which is guaranteed for all Go versions
 		var stat unix.Statx_t
-		if runtime.GOOS != "android" && unix.Statx(unix.AT_FDCWD, ".", 0, unix.STATX_ALL, &stat) != unix.ENOSYS {
+		if unix.Statx(unix.AT_FDCWD, ".", 0, unix.STATX_ALL, &stat) != unix.ENOSYS {
 			readMetadataFromFileFn = readMetadataFromFileStatx
 		} else {
 			readMetadataFromFileFn = readMetadataFromFileFstatat
@@ -92,7 +91,7 @@ func readMetadataFromFileFstatat(o *Object, m *fs.Metadata) (err error) {
 		// The types of t.Sec and t.Nsec vary from int32 to int64 on
 		// different Linux architectures so we need to cast them to
 		// int64 here and hence need to quiet the linter about
-		// unnecessary casts.
+		// unecessary casts.
 		//
 		// nolint: unconvert
 		m.Set(key, time.Unix(int64(t.Sec), int64(t.Nsec)).Format(metadataTimeFormat))
--- a/backend/local/xattr.go
+++ b/backend/local/xattr.go
@@ -6,6 +6,7 @@ package local
 import (
 	"fmt"
 	"strings"
+	"sync/atomic"
 	"syscall"

 	"github.com/pkg/xattr"
@@ -27,7 +28,7 @@ func (f *Fs) xattrIsNotSupported(err error) bool {
 	// Xattrs not supported can be ENOTSUP or ENOATTR or EINVAL (on Solaris)
 	if xattrErr.Err == syscall.EINVAL || xattrErr.Err == syscall.ENOTSUP || xattrErr.Err == xattr.ENOATTR {
 		// Show xattrs not supported
-		if f.xattrSupported.CompareAndSwap(1, 0) {
+		if atomic.CompareAndSwapInt32(&f.xattrSupported, 1, 0) {
 			fs.Errorf(f, "xattrs not supported - disabling: %v", err)
 		}
 		return true
@@ -40,7 +41,7 @@ func (f *Fs) xattrIsNotSupported(err error) bool {
 // It doesn't return any attributes owned by this backend in
 // metadataKeys
 func (o *Object) getXattr() (metadata fs.Metadata, err error) {
-	if !xattrSupported || o.fs.xattrSupported.Load() == 0 {
+	if !xattrSupported || atomic.LoadInt32(&o.fs.xattrSupported) == 0 {
 		return nil, nil
 	}
 	var list []string
@@ -89,7 +90,7 @@ func (o *Object) getXattr() (metadata fs.Metadata, err error) {
 //
 // It doesn't set any attributes owned by this backend in metadataKeys
 func (o *Object) setXattr(metadata fs.Metadata) (err error) {
-	if !xattrSupported || o.fs.xattrSupported.Load() == 0 {
+	if !xattrSupported || atomic.LoadInt32(&o.fs.xattrSupported) == 0 {
 		return nil
 	}
 	for k, value := range metadata {
--- a/backend/mailru/mailru.go
+++ b/backend/mailru/mailru.go
@@ -85,11 +85,10 @@ func init() {
 		Name:        "mailru",
 		Description: "Mail.ru Cloud",
 		NewFs:       NewFs,
-		Options: append(oauthutil.SharedOptions, []fs.Option{{
-			Name:      "user",
-			Help:      "User name (usually email).",
-			Required:  true,
-			Sensitive: true,
+		Options: []fs.Option{{
+			Name:     "user",
+			Help:     "User name (usually email).",
+			Required: true,
 		}, {
 			Name: "pass",
 			Help: `Password.
@@ -214,7 +213,7 @@ Supported quirks: atomicmkdir binlist unknowndirs`,
 				encoder.EncodeWin | // :?"*<>|
 				encoder.EncodeBackSlash |
 				encoder.EncodeInvalidUtf8),
-		}}...),
+		}},
 	})
 }

--- a/backend/mega/mega.go
+++ b/backend/mega/mega.go
@@ -58,10 +58,9 @@ func init() {
 		Description: "Mega",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Name:      "user",
-			Help:      "User name.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "user",
+			Help:     "User name.",
+			Required: true,
 		}, {
 			Name:       "pass",
 			Help:       "Password.",
@@ -84,17 +83,6 @@ than permanently deleting them.  If you specify this then rclone will
 permanently delete objects instead.`,
 			Default:  false,
 			Advanced: true,
-		}, {
-			Name: "use_https",
-			Help: `Use HTTPS for transfers.
-
-MEGA uses plain text HTTP connections by default.
-Some ISPs throttle HTTP connections, this causes transfers to become very slow.
-Enabling this will force MEGA to use HTTPS for all transfers.
-HTTPS is normally not necessary since all data is already encrypted anyway.
-Enabling it will increase CPU usage and add network overhead.`,
-			Default:  false,
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -112,7 +100,6 @@ type Options struct {
 	Pass       string               `config:"pass"`
 	Debug      bool                 `config:"debug"`
 	HardDelete bool                 `config:"hard_delete"`
-	UseHTTPS   bool                 `config:"use_https"`
 	Enc        encoder.MultiEncoder `config:"encoding"`
 }

@@ -206,7 +193,7 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	}
 	ci := fs.GetConfig(ctx)

-	// cache *mega.Mega on username so we can reuse and share
+	// cache *mega.Mega on username so we can re-use and share
 	// them between remotes.  They are expensive to make as they
 	// contain all the objects and sharing the objects makes the
 	// move code easier as we don't have to worry about mixing
@@ -217,7 +204,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if srv == nil {
 		srv = mega.New().SetClient(fshttp.NewClient(ctx))
 		srv.SetRetries(ci.LowLevelRetries) // let mega do the low level retries
-		srv.SetHTTPS(opt.UseHTTPS)
 		srv.SetLogger(func(format string, v ...interface{}) {
 			fs.Infof("*go-mega*", format, v...)
 		})
--- a/backend/netstorage/netstorage.go
+++ b/backend/netstorage/netstorage.go
@@ -65,13 +65,11 @@ HTTP is provided primarily for debugging purposes.`,
 			Help: `Domain+path of NetStorage host to connect to.

 Format should be ` + "`<domain>/<internal folders>`",
-			Required:  true,
-			Sensitive: true,
+			Required: true,
 		}, {
-			Name:      "account",
-			Help:      "Set the NetStorage account name",
-			Required:  true,
-			Sensitive: true,
+			Name:     "account",
+			Help:     "Set the NetStorage account name",
+			Required: true,
 		}, {
 			Name: "secret",
 			Help: `Set the NetStorage account secret/G2O key for authentication.
@@ -821,8 +819,6 @@ func (f *Fs) getAuth(req *http.Request) error {
 	// Set Authorization header
 	dataHeader := generateDataHeader(f)
 	path := req.URL.RequestURI()
-	//lint:ignore SA1008 false positive when running staticcheck, the header name is according to docs even if not canonical
-	//nolint:staticcheck // Don't include staticcheck when running golangci-lint to avoid SA1008
 	actionHeader := req.Header["X-Akamai-ACS-Action"][0]
 	fs.Debugf(nil, "NetStorage API %s call %s for path %q", req.Method, actionHeader, path)
 	req.Header.Set("X-Akamai-ACS-Auth-Data", dataHeader)
--- a/backend/onedrive/api/types.go
+++ b/backend/onedrive/api/types.go
@@ -99,16 +99,6 @@ type ItemReference struct {
 	DriveType string `json:"driveType"` // Type of the drive,	Read-Only
 }

-// GetID returns a normalized ID of the item
-// If DriveID is known it will be prefixed to the ID with # separator
-// Can be parsed using onedrive.parseNormalizedID(normalizedID)
-func (i *ItemReference) GetID() string {
-	if !strings.Contains(i.ID, "#") {
-		return i.DriveID + "#" + i.ID
-	}
-	return i.ID
-}
-
 // RemoteItemFacet groups data needed to reference a OneDrive remote item
 type RemoteItemFacet struct {
 	ID                   string               `json:"id"`                   // The unique identifier of the item within the remote Drive. Read-only.
@@ -136,7 +126,6 @@ type HashesType struct {
 	Sha1Hash     string `json:"sha1Hash"`     // hex encoded SHA1 hash for the contents of the file (if available)
 	Crc32Hash    string `json:"crc32Hash"`    // hex encoded CRC32 value of the file (if available)
 	QuickXorHash string `json:"quickXorHash"` // base64 encoded QuickXorHash value of the file (if available)
-	Sha256Hash   string `json:"sha256Hash"`   // hex encoded SHA256 value of the file (if available)
 }

 // FileFacet groups file-related data on OneDrive into a single structure.
@@ -195,8 +184,8 @@ type Item struct {
 	Deleted *DeletedFacet `json:"deleted"` // Information about the deleted state of the item. Read-only.
 }

-// DeltaResponse is the response to the view delta method
-type DeltaResponse struct {
+// ViewDeltaResponse is the response to the view delta method
+type ViewDeltaResponse struct {
 	Value      []Item `json:"value"`            // An array of Item objects which have been created, modified, or deleted.
 	NextLink   string `json:"@odata.nextLink"`  // A URL to retrieve the next available page of changes.
 	DeltaLink  string `json:"@odata.deltaLink"` // A URL returned instead of @odata.nextLink after all current changes have been returned. Used to read the next set of changes in the future.
@@ -448,27 +437,3 @@ type Version struct {
 type VersionsResponse struct {
 	Versions []Version `json:"value"`
 }
-
-// DriveResource is returned from /me/drive
-type DriveResource struct {
-	DriveID   string `json:"id"`
-	DriveName string `json:"name"`
-	DriveType string `json:"driveType"`
-}
-
-// DrivesResponse is returned from /sites/{siteID}/drives",
-type DrivesResponse struct {
-	Drives []DriveResource `json:"value"`
-}
-
-// SiteResource is part of the response from from "/sites/root:"
-type SiteResource struct {
-	SiteID   string `json:"id"`
-	SiteName string `json:"displayName"`
-	SiteURL  string `json:"webUrl"`
-}
-
-// SiteResponse is returned from "/sites/root:"
-type SiteResponse struct {
-	Sites []SiteResource `json:"value"`
-}
--- a/backend/onedrive/onedrive.go
+++ b/backend/onedrive/onedrive.go
@@ -131,11 +131,10 @@ Note that the chunks will be buffered into memory.`,
 			Default:  defaultChunkSize,
 			Advanced: true,
 		}, {
-			Name:      "drive_id",
-			Help:      "The ID of the drive to use.",
-			Default:   "",
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "drive_id",
+			Help:     "The ID of the drive to use.",
+			Default:  "",
+			Advanced: true,
 		}, {
 			Name:     "drive_type",
 			Help:     "The type of the drive (" + driveTypePersonal + " | " + driveTypeBusiness + " | " + driveTypeSharepoint + ").",
@@ -149,8 +148,7 @@ This isn't normally needed, but in special circumstances you might
 know the folder ID that you wish to access but not be able to get
 there through a path traversal.
 `,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name: "access_scopes",
 			Help: `Set scopes to be requested by rclone.
@@ -198,9 +196,7 @@ listing, set this option.`,
 		}, {
 			Name:    "server_side_across_configs",
 			Default: false,
-			Help: `Deprecated: use --server-side-across-configs instead.
-
-Allow server-side operations (e.g. copy) to work across different onedrive configs.
+			Help: `Allow server-side operations (e.g. copy) to work across different onedrive configs.

 This will only work if you are copying between two OneDrive *Personal* drives AND
 the files to copy are already shared between them.  In other cases, rclone will
@@ -261,67 +257,6 @@ this flag there.
 			Help: `Set the password for links created by the link command.

 At the time of writing this only works with OneDrive personal paid accounts.
-`,
-			Advanced:  true,
-			Sensitive: true,
-		}, {
-			Name:    "hash_type",
-			Default: "auto",
-			Help: `Specify the hash in use for the backend.
-
-This specifies the hash type in use. If set to "auto" it will use the
-default hash which is QuickXorHash.
-
-Before rclone 1.62 an SHA1 hash was used by default for Onedrive
-Personal. For 1.62 and later the default is to use a QuickXorHash for
-all onedrive types. If an SHA1 hash is desired then set this option
-accordingly.
-
-From July 2023 QuickXorHash will be the only available hash for
-both OneDrive for Business and OneDriver Personal.
-
-This can be set to "none" to not use any hashes.
-
-If the hash requested does not exist on the object, it will be
-returned as an empty string which is treated as a missing hash by
-rclone.
-`,
-			Examples: []fs.OptionExample{{
-				Value: "auto",
-				Help:  "Rclone chooses the best hash",
-			}, {
-				Value: "quickxor",
-				Help:  "QuickXor",
-			}, {
-				Value: "sha1",
-				Help:  "SHA1",
-			}, {
-				Value: "sha256",
-				Help:  "SHA256",
-			}, {
-				Value: "crc32",
-				Help:  "CRC32",
-			}, {
-				Value: "none",
-				Help:  "None - don't use any hashes",
-			}},
-			Advanced: true,
-		}, {
-			Name:    "av_override",
-			Default: false,
-			Help: `Allows download of files the server thinks has a virus.
-
-The onedrive/sharepoint server may check files uploaded with an Anti
-Virus checker. If it detects any potential viruses or malware it will
-block download of the file.
-
-In this case you will see a message like this
-
-    server reports this file is infected with a virus - use --onedrive-av-override to download anyway: Infected (name of virus): 403 Forbidden: 
-
-If you are 100% sure you want to download this file anyway then use
-the --onedrive-av-override flag, or av_override = true in the config
-file.
 `,
 			Advanced: true,
 		}, {
@@ -371,6 +306,28 @@ file.
 	})
 }

+type driveResource struct {
+	DriveID   string `json:"id"`
+	DriveName string `json:"name"`
+	DriveType string `json:"driveType"`
+}
+type drivesResponse struct {
+	Drives []driveResource `json:"value"`
+}
+
+type siteResource struct {
+	SiteID   string `json:"id"`
+	SiteName string `json:"displayName"`
+	SiteURL  string `json:"webUrl"`
+}
+type siteResponse struct {
+	Sites []siteResource `json:"value"`
+}
+type deltaResponse struct {
+	DeltaLink string     `json:"@odata.deltaLink"`
+	Value     []api.Item `json:"value"`
+}
+
 // Get the region and graphURL from the config
 func getRegionURL(m configmap.Mapper) (region, graphURL string) {
 	region, _ = m.Get("region")
@@ -397,7 +354,7 @@ func chooseDrive(ctx context.Context, name string, m configmap.Mapper, srv *rest
 			RootURL: graphURL,
 			Path:    "/sites/root:" + opt.relativePath,
 		}
-		site := api.SiteResource{}
+		site := siteResource{}
 		_, err := srv.CallJSON(ctx, &opt.opts, nil, &site)
 		if err != nil {
 			return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available site by relative path: %v", err))
@@ -414,7 +371,7 @@ func chooseDrive(ctx context.Context, name string, m configmap.Mapper, srv *rest
 		}
 	}

-	drives := api.DrivesResponse{}
+	drives := drivesResponse{}

 	// We don't have the final ID yet?
 	// query Microsoft Graph
@@ -427,7 +384,7 @@ func chooseDrive(ctx context.Context, name string, m configmap.Mapper, srv *rest
 		// Also call /me/drive as sometimes /me/drives doesn't return it #4068
 		if opt.opts.Path == "/me/drives" {
 			opt.opts.Path = "/me/drive"
-			meDrive := api.DriveResource{}
+			meDrive := driveResource{}
 			_, err := srv.CallJSON(ctx, &opt.opts, nil, &meDrive)
 			if err != nil {
 				return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available drives: %v", err))
@@ -446,7 +403,7 @@ func chooseDrive(ctx context.Context, name string, m configmap.Mapper, srv *rest
 			}
 		}
 	} else {
-		drives.Drives = append(drives.Drives, api.DriveResource{
+		drives.Drives = append(drives.Drives, driveResource{
 			DriveID:   opt.finalDriveID,
 			DriveName: "Chosen Drive ID",
 			DriveType: "drive",
@@ -550,18 +507,15 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 	case "url":
 		return fs.ConfigInput("url_end", "config_site_url", `Site URL

-Examples:
- "mysite"
- "https://XXX.sharepoint.com/sites/mysite"
- "https://XXX.sharepoint.com/teams/ID"
+Example: "https://contoso.sharepoint.com/sites/mysite" or "mysite"
 `)
 	case "url_end":
 		siteURL := config.Result
-		re := regexp.MustCompile(`https://.*\.sharepoint\.com(/.*)`)
+		re := regexp.MustCompile(`https://.*\.sharepoint.com/sites/(.*)`)
 		match := re.FindStringSubmatch(siteURL)
 		if len(match) == 2 {
 			return chooseDrive(ctx, name, m, srv, chooseDriveOpt{
-				relativePath: match[1],
+				relativePath: "/sites/" + match[1],
 			})
 		}
 		return chooseDrive(ctx, name, m, srv, chooseDriveOpt{
@@ -583,7 +537,7 @@ Examples:
 			Path:    "/sites?search=" + searchTerm,
 		}

-		sites := api.SiteResponse{}
+		sites := siteResponse{}
 		_, err := srv.CallJSON(ctx, &opts, nil, &sites)
 		if err != nil {
 			return fs.ConfigError("choose_type", fmt.Sprintf("Failed to query available sites: %v", err))
@@ -643,8 +597,6 @@ type Options struct {
 	LinkScope               string               `config:"link_scope"`
 	LinkType                string               `config:"link_type"`
 	LinkPassword            string               `config:"link_password"`
-	HashType                string               `config:"hash_type"`
-	AVOverride              bool                 `config:"av_override"`
 	Enc                     encoder.MultiEncoder `config:"encoding"`
 }

@@ -661,7 +613,6 @@ type Fs struct {
 	tokenRenewer *oauthutil.Renew   // renew the token on expiry
 	driveID      string             // ID to use for querying Microsoft Graph
 	driveType    string             // https://developer.microsoft.com/en-us/graph/docs/api-reference/v1.0/resources/drive
-	hashType     hash.Type          // type of the hash we are using
 }

 // Object describes a OneDrive object
@@ -675,7 +626,8 @@ type Object struct {
 	size          int64     // size of the object
 	modTime       time.Time // modification time of the object
 	id            string    // ID of the object
-	hash          string    // Hash of the content, usually QuickXorHash but set as hash_type
+	sha1          string    // SHA-1 of the object content
+	quickxorhash  string    // QuickXorHash of the object content
 	mimeType      string    // Content-Type of object from server (may not be as uploaded)
 }

@@ -930,7 +882,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		driveType: opt.DriveType,
 		srv:       rest.NewClient(oAuthClient).SetRoot(rootURL),
 		pacer:     fs.NewPacer(ctx, pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))),
-		hashType:  QuickXorHashType,
 	}
 	f.features = (&fs.Features{
 		CaseInsensitive:         true,
@@ -940,15 +891,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	}).Fill(ctx, f)
 	f.srv.SetErrorHandler(errorHandler)

-	// Set the user defined hash
-	if opt.HashType == "auto" || opt.HashType == "" {
-		opt.HashType = QuickXorHashType.String()
-	}
-	err = f.hashType.Set(opt.HashType)
-	if err != nil {
-		return nil, err
-	}
-
 	// Disable change polling in China region
 	// See: https://github.com/rclone/rclone/issues/6444
 	if f.opt.Region == regionCN {
@@ -1095,29 +1037,32 @@ func (f *Fs) CreateDir(ctx context.Context, dirID, leaf string) (newID string, e
 // If directories is set it only sends directories
 // User function to process a File item from listAll
 //
-// If an error is returned then processing stops
-type listAllFn func(*api.Item) error
+// Should return true to finish processing
+type listAllFn func(*api.Item) bool

 // Lists the directory required calling the user function on each item found
 //
 // If the user fn ever returns true then it early exits with found = true
-//
-// This listing function works on both normal listings and delta listings
-func (f *Fs) _listAll(ctx context.Context, dirID string, directoriesOnly bool, filesOnly bool, fn listAllFn, opts *rest.Opts, result any, pValue *[]api.Item, pNextLink *string) (err error) {
+func (f *Fs) listAll(ctx context.Context, dirID string, directoriesOnly bool, filesOnly bool, fn listAllFn) (found bool, err error) {
+	// Top parameter asks for bigger pages of data
+	// https://dev.onedrive.com/odata/optional-query-parameters.htm
+	opts := f.newOptsCall(dirID, "GET", fmt.Sprintf("/children?$top=%d", f.opt.ListChunk))
+OUTER:
 	for {
+		var result api.ListChildrenResponse
 		var resp *http.Response
 		err = f.pacer.Call(func() (bool, error) {
-			resp, err = f.srv.CallJSON(ctx, opts, nil, result)
+			resp, err = f.srv.CallJSON(ctx, &opts, nil, &result)
 			return shouldRetry(ctx, resp, err)
 		})
 		if err != nil {
-			return fmt.Errorf("couldn't list files: %w", err)
+			return found, fmt.Errorf("couldn't list files: %w", err)
 		}
-		if len(*pValue) == 0 {
+		if len(result.Value) == 0 {
 			break
 		}
-		for i := range *pValue {
-			item := &(*pValue)[i]
+		for i := range result.Value {
+			item := &result.Value[i]
 			isFolder := item.GetFolder() != nil
 			if isFolder {
 				if filesOnly {
@@ -1132,60 +1077,18 @@ func (f *Fs) _listAll(ctx context.Context, dirID string, directoriesOnly bool, f
 				continue
 			}
 			item.Name = f.opt.Enc.ToStandardName(item.GetName())
-			err = fn(item)
-			if err != nil {
-				return err
+			if fn(item) {
+				found = true
+				break OUTER
 			}
 		}
-		if *pNextLink == "" {
+		if result.NextLink == "" {
 			break
 		}
 		opts.Path = ""
-		opts.Parameters = nil
-		opts.RootURL = *pNextLink
-		// reset results
-		*pNextLink = ""
-		*pValue = nil
+		opts.RootURL = result.NextLink
 	}
-	return nil
-}
-
-// Lists the directory required calling the user function on each item found
-//
-// If the user fn ever returns true then it early exits with found = true
-func (f *Fs) listAll(ctx context.Context, dirID string, directoriesOnly bool, filesOnly bool, fn listAllFn) (err error) {
-	// Top parameter asks for bigger pages of data
-	// https://dev.onedrive.com/odata/optional-query-parameters.htm
-	opts := f.newOptsCall(dirID, "GET", fmt.Sprintf("/children?$top=%d", f.opt.ListChunk))
-	var result api.ListChildrenResponse
-	return f._listAll(ctx, dirID, directoriesOnly, filesOnly, fn, &opts, &result, &result.Value, &result.NextLink)
-}
-
-// Convert a list item into a DirEntry
-//
-// Can return nil for an item which should be skipped
-func (f *Fs) itemToDirEntry(ctx context.Context, dir string, info *api.Item) (entry fs.DirEntry, err error) {
-	if !f.opt.ExposeOneNoteFiles && info.GetPackageType() == api.PackageTypeOneNote {
-		fs.Debugf(info.Name, "OneNote file not shown in directory listing")
-		return nil, nil
-	}
-	remote := path.Join(dir, info.GetName())
-	folder := info.GetFolder()
-	if folder != nil {
-		// cache the directory ID for later lookups
-		id := info.GetID()
-		f.dirCache.Put(remote, id)
-		d := fs.NewDir(remote, time.Time(info.GetLastModifiedDateTime())).SetID(id)
-		d.SetItems(folder.ChildCount)
-		entry = d
-	} else {
-		o, err := f.newObjectWithInfo(ctx, remote, info)
-		if err != nil {
-			return nil, err
-		}
-		entry = o
-	}
-	return entry, nil
+	return
 }

 // List the objects and directories in dir into entries.  The
@@ -1202,137 +1105,41 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 	if err != nil {
 		return nil, err
 	}
-	err = f.listAll(ctx, directoryID, false, false, func(info *api.Item) error {
-		entry, err := f.itemToDirEntry(ctx, dir, info)
-		if err == nil {
-			entries = append(entries, entry)
+	var iErr error
+	_, err = f.listAll(ctx, directoryID, false, false, func(info *api.Item) bool {
+		if !f.opt.ExposeOneNoteFiles && info.GetPackageType() == api.PackageTypeOneNote {
+			fs.Debugf(info.Name, "OneNote file not shown in directory listing")
+			return false
 		}
-		return err
+
+		remote := path.Join(dir, info.GetName())
+		folder := info.GetFolder()
+		if folder != nil {
+			// cache the directory ID for later lookups
+			id := info.GetID()
+			f.dirCache.Put(remote, id)
+			d := fs.NewDir(remote, time.Time(info.GetLastModifiedDateTime())).SetID(id)
+			d.SetItems(folder.ChildCount)
+			entries = append(entries, d)
+		} else {
+			o, err := f.newObjectWithInfo(ctx, remote, info)
+			if err != nil {
+				iErr = err
+				return true
+			}
+			entries = append(entries, o)
+		}
+		return false
 	})
 	if err != nil {
 		return nil, err
 	}
+	if iErr != nil {
+		return nil, iErr
+	}
 	return entries, nil
 }

-// ListR lists the objects and directories of the Fs starting
-// from dir recursively into out.
-//
-// dir should be "" to start from the root, and should not
-// have trailing slashes.
-//
-// This should return ErrDirNotFound if the directory isn't
-// found.
-//
-// It should call callback for each tranche of entries read.
-// These need not be returned in any particular order.  If
-// callback returns an error then the listing will stop
-// immediately.
-//
-// Don't implement this unless you have a more efficient way
-// of listing recursively than doing a directory traversal.
-func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (err error) {
-	// Make sure this ID is in the directory cache
-	directoryID, err := f.dirCache.FindDir(ctx, dir, false)
-	if err != nil {
-		return err
-	}
-
-	// ListR only works at the root of a onedrive, not on a folder
-	// So we have to filter things outside of the root which is
-	// inefficient.
-
-	list := walk.NewListRHelper(callback)
-
-	// list a folder conventionally - used for shared folders
-	var listFolder func(dir string) error
-	listFolder = func(dir string) error {
-		entries, err := f.List(ctx, dir)
-		if err != nil {
-			return err
-		}
-		for _, entry := range entries {
-			err = list.Add(entry)
-			if err != nil {
-				return err
-			}
-			if _, isDir := entry.(fs.Directory); isDir {
-				err = listFolder(entry.Remote())
-				if err != nil {
-					return err
-				}
-			}
-		}
-		return nil
-	}
-
-	// This code relies on the fact that directories are sent before their children. This isn't
-	// mentioned in the docs though, so maybe it shouldn't be relied on.
-	seen := map[string]struct{}{}
-	fn := func(info *api.Item) error {
-		var parentPath string
-		var ok bool
-		id := info.GetID()
-		// The API can produce duplicates, so skip them
-		if _, found := seen[id]; found {
-			return nil
-		}
-		seen[id] = struct{}{}
-		// Skip the root directory
-		if id == directoryID {
-			return nil
-		}
-		// Skip deleted items
-		if info.Deleted != nil {
-			return nil
-		}
-		dirID := info.GetParentReference().GetID()
-		// Skip files that don't have their parent directory
-		// cached as they are outside the root.
-		parentPath, ok = f.dirCache.GetInv(dirID)
-		if !ok {
-			return nil
-		}
-		// Skip files not under the root directory
-		remote := path.Join(parentPath, info.GetName())
-		if dir != "" && !strings.HasPrefix(remote, dir+"/") {
-			return nil
-		}
-		entry, err := f.itemToDirEntry(ctx, parentPath, info)
-		if err != nil {
-			return err
-		}
-		err = list.Add(entry)
-		if err != nil {
-			return err
-		}
-		// If this is a shared folder, we'll need list it too
-		if info.RemoteItem != nil && info.RemoteItem.Folder != nil {
-			fs.Debugf(remote, "Listing shared directory")
-			return listFolder(remote)
-		}
-		return nil
-	}
-
-	opts := rest.Opts{
-		Method: "GET",
-		Path:   "/root/delta",
-		Parameters: map[string][]string{
-			// "token": {token},
-			"$top": {fmt.Sprintf("%d", f.opt.ListChunk)},
-		},
-	}
-
-	var result api.DeltaResponse
-	err = f._listAll(ctx, "", false, false, fn, &opts, &result, &result.Value, &result.NextLink)
-	if err != nil {
-		return err
-	}
-
-	return list.Flush()
-
-}
-
 // Creates from the parameters passed in a half finished Object which
 // must have setMetaData called on it
 //
@@ -1401,12 +1208,15 @@ func (f *Fs) purgeCheck(ctx context.Context, dir string, check bool) error {
 	}
 	if check {
 		// check to see if there are any items
-		err := f.listAll(ctx, rootID, false, false, func(item *api.Item) error {
-			return fs.ErrorDirectoryNotEmpty
+		found, err := f.listAll(ctx, rootID, false, false, func(item *api.Item) bool {
+			return true
 		})
 		if err != nil {
 			return err
 		}
+		if found {
+			return fs.ErrorDirectoryNotEmpty
+		}
 	}
 	err = f.deleteObject(ctx, rootID)
 	if err != nil {
@@ -1746,7 +1556,10 @@ func (f *Fs) About(ctx context.Context) (usage *fs.Usage, err error) {

 // Hashes returns the supported hash sets.
 func (f *Fs) Hashes() hash.Set {
-	return hash.Set(f.hashType)
+	if f.driveType == driveTypePersonal {
+		return hash.Set(hash.SHA1)
+	}
+	return hash.Set(QuickXorHashType)
 }

 // PublicLink returns a link for downloading without account.
@@ -1861,10 +1674,6 @@ func (f *Fs) CleanUp(ctx context.Context) error {
 	token := make(chan struct{}, f.ci.Checkers)
 	var wg sync.WaitGroup
 	err := walk.Walk(ctx, f, "", true, -1, func(path string, entries fs.DirEntries, err error) error {
-		if err != nil {
-			fs.Errorf(f, "Failed to list %q: %v", path, err)
-			return nil
-		}
 		err = entries.ForObjectError(func(obj fs.Object) error {
 			o, ok := obj.(*Object)
 			if !ok {
@@ -1959,8 +1768,14 @@ func (o *Object) rootPath() string {

 // Hash returns the SHA-1 of an object returning a lowercase hex string
 func (o *Object) Hash(ctx context.Context, t hash.Type) (string, error) {
-	if t == o.fs.hashType {
-		return o.hash, nil
+	if o.fs.driveType == driveTypePersonal {
+		if t == hash.SHA1 {
+			return o.sha1, nil
+		}
+	} else {
+		if t == QuickXorHashType {
+			return o.quickxorhash, nil
+		}
 	}
 	return "", hash.ErrUnsupported
 }
@@ -1991,23 +1806,16 @@ func (o *Object) setMetaData(info *api.Item) (err error) {
 	file := info.GetFile()
 	if file != nil {
 		o.mimeType = file.MimeType
-		o.hash = ""
-		switch o.fs.hashType {
-		case QuickXorHashType:
-			if file.Hashes.QuickXorHash != "" {
-				h, err := base64.StdEncoding.DecodeString(file.Hashes.QuickXorHash)
-				if err != nil {
-					fs.Errorf(o, "Failed to decode QuickXorHash %q: %v", file.Hashes.QuickXorHash, err)
-				} else {
-					o.hash = hex.EncodeToString(h)
-				}
+		if file.Hashes.Sha1Hash != "" {
+			o.sha1 = strings.ToLower(file.Hashes.Sha1Hash)
+		}
+		if file.Hashes.QuickXorHash != "" {
+			h, err := base64.StdEncoding.DecodeString(file.Hashes.QuickXorHash)
+			if err != nil {
+				fs.Errorf(o, "Failed to decode QuickXorHash %q: %v", file.Hashes.QuickXorHash, err)
+			} else {
+				o.quickxorhash = hex.EncodeToString(h)
 			}
-		case hash.SHA1:
-			o.hash = strings.ToLower(file.Hashes.Sha1Hash)
-		case hash.SHA256:
-			o.hash = strings.ToLower(file.Hashes.Sha256Hash)
-		case hash.CRC32:
-			o.hash = strings.ToLower(file.Hashes.Crc32Hash)
 		}
 	}
 	fileSystemInfo := info.GetFileSystemInfo()
@@ -2103,20 +1911,12 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
 	var resp *http.Response
 	opts := o.fs.newOptsCall(o.id, "GET", "/content")
 	opts.Options = options
-	if o.fs.opt.AVOverride {
-		opts.Parameters = url.Values{"AVOverride": {"1"}}
-	}

 	err = o.fs.pacer.Call(func() (bool, error) {
 		resp, err = o.fs.srv.Call(ctx, &opts)
 		return shouldRetry(ctx, resp, err)
 	})
 	if err != nil {
-		if resp != nil {
-			if virus := resp.Header.Get("X-Virus-Infected"); virus != "" {
-				err = fmt.Errorf("server reports this file is infected with a virus - use --onedrive-av-override to download anyway: %s: %w", virus, err)
-			}
-		}
 		return nil, err
 	}

@@ -2591,7 +2391,7 @@ func (f *Fs) changeNotifyStartPageToken(ctx context.Context) (nextDeltaToken str
 	return
 }

-func (f *Fs) changeNotifyNextChange(ctx context.Context, token string) (delta api.DeltaResponse, err error) {
+func (f *Fs) changeNotifyNextChange(ctx context.Context, token string) (delta deltaResponse, err error) {
 	opts := f.buildDriveDeltaOpts(token)

 	_, err = f.srv.CallJSON(ctx, &opts, nil, &delta)
@@ -2710,7 +2510,6 @@ var (
 	_ fs.Abouter         = (*Fs)(nil)
 	_ fs.PublicLinker    = (*Fs)(nil)
 	_ fs.CleanUpper      = (*Fs)(nil)
-	_ fs.ListRer         = (*Fs)(nil)
 	_ fs.Object          = (*Object)(nil)
 	_ fs.MimeTyper       = &Object{}
 	_ fs.IDer            = &Object{}
--- a/backend/onedrive/quickxorhash/quickxorhash.go
+++ b/backend/onedrive/quickxorhash/quickxorhash.go
@@ -7,40 +7,51 @@
 // See: https://docs.microsoft.com/en-us/onedrive/developer/code-snippets/quickxorhash
 package quickxorhash

-// This code was ported from a fast C-implementation from
-// https://github.com/namazso/QuickXorHash
-// which has licenced as BSD Zero Clause License
-//
-// BSD Zero Clause License
-//
-// Copyright (c) 2022 namazso <admin@namazso.eu>
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
-// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
-// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
-// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
-// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
-// PERFORMANCE OF THIS SOFTWARE.
+// This code was ported from the code snippet linked from
+// https://docs.microsoft.com/en-us/onedrive/developer/code-snippets/quickxorhash
+// Which has the copyright

-import "hash"
+// ------------------------------------------------------------------------------
+//  Copyright (c) 2016 Microsoft Corporation
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+// ------------------------------------------------------------------------------
+
+import (
+	"hash"
+)

 const (
 	// BlockSize is the preferred size for hashing
 	BlockSize = 64
 	// Size of the output checksum
-	Size        = 20
-	shift       = 11
-	widthInBits = 8 * Size
-	dataSize    = shift * widthInBits
+	Size           = 20
+	bitsInLastCell = 32
+	shift          = 11
+	widthInBits    = 8 * Size
+	dataSize       = (widthInBits-1)/64 + 1
 )

 type quickXorHash struct {
-	data [dataSize]byte
-	size uint64
+	data        [dataSize]uint64
+	lengthSoFar uint64
+	shiftSoFar  int
 }

 // New returns a new hash.Hash computing the quickXorHash checksum.
@@ -59,37 +70,94 @@ func New() hash.Hash {
 //
 // Implementations must not retain p.
 func (q *quickXorHash) Write(p []byte) (n int, err error) {
-	var i int
-	// fill last remain
-	lastRemain := q.size % dataSize
-	if lastRemain != 0 {
-		i += xorBytes(q.data[lastRemain:], p)
+	currentshift := q.shiftSoFar
+
+	// The bitvector where we'll start xoring
+	vectorArrayIndex := currentshift / 64
+
+	// The position within the bit vector at which we begin xoring
+	vectorOffset := currentshift % 64
+	iterations := len(p)
+	if iterations > widthInBits {
+		iterations = widthInBits
 	}

-	if i != len(p) {
-		for len(p)-i >= dataSize {
-			i += xorBytes(q.data[:], p[i:])
+	for i := 0; i < iterations; i++ {
+		isLastCell := vectorArrayIndex == len(q.data)-1
+		var bitsInVectorCell int
+		if isLastCell {
+			bitsInVectorCell = bitsInLastCell
+		} else {
+			bitsInVectorCell = 64
+		}
+
+		// There's at least 2 bitvectors before we reach the end of the array
+		if vectorOffset <= bitsInVectorCell-8 {
+			for j := i; j < len(p); j += widthInBits {
+				q.data[vectorArrayIndex] ^= uint64(p[j]) << uint(vectorOffset)
+			}
+		} else {
+			index1 := vectorArrayIndex
+			var index2 int
+			if isLastCell {
+				index2 = 0
+			} else {
+				index2 = vectorArrayIndex + 1
+			}
+			low := byte(bitsInVectorCell - vectorOffset)
+
+			xoredByte := byte(0)
+			for j := i; j < len(p); j += widthInBits {
+				xoredByte ^= p[j]
+			}
+			q.data[index1] ^= uint64(xoredByte) << uint(vectorOffset)
+			q.data[index2] ^= uint64(xoredByte) >> low
+		}
+		vectorOffset += shift
+		for vectorOffset >= bitsInVectorCell {
+			if isLastCell {
+				vectorArrayIndex = 0
+			} else {
+				vectorArrayIndex = vectorArrayIndex + 1
+			}
+			vectorOffset -= bitsInVectorCell
 		}
-		xorBytes(q.data[:], p[i:])
 	}
-	q.size += uint64(len(p))
+
+	// Update the starting position in a circular shift pattern
+	q.shiftSoFar = (q.shiftSoFar + shift*(len(p)%widthInBits)) % widthInBits
+
+	q.lengthSoFar += uint64(len(p))
+
 	return len(p), nil
 }

 // Calculate the current checksum
-func (q *quickXorHash) checkSum() (h [Size + 1]byte) {
-	for i := 0; i < dataSize; i++ {
-		shift := (i * 11) % 160
-		shiftBytes := shift / 8
-		shiftBits := shift % 8
-		shifted := int(q.data[i]) << shiftBits
-		h[shiftBytes] ^= byte(shifted)
-		h[shiftBytes+1] ^= byte(shifted >> 8)
+func (q *quickXorHash) checkSum() (h [Size]byte) {
+	// Output the data as little endian bytes
+	ph := 0
+	for i := 0; i < len(q.data)-1; i++ {
+		d := q.data[i]
+		_ = h[ph+7] // bounds check
+		h[ph+0] = byte(d >> (8 * 0))
+		h[ph+1] = byte(d >> (8 * 1))
+		h[ph+2] = byte(d >> (8 * 2))
+		h[ph+3] = byte(d >> (8 * 3))
+		h[ph+4] = byte(d >> (8 * 4))
+		h[ph+5] = byte(d >> (8 * 5))
+		h[ph+6] = byte(d >> (8 * 6))
+		h[ph+7] = byte(d >> (8 * 7))
+		ph += 8
 	}
-	h[0] ^= h[20]
+	// remaining 32 bits
+	d := q.data[len(q.data)-1]
+	h[Size-4] = byte(d >> (8 * 0))
+	h[Size-3] = byte(d >> (8 * 1))
+	h[Size-2] = byte(d >> (8 * 2))
+	h[Size-1] = byte(d >> (8 * 3))

 	// XOR the file length with the least significant bits in little endian format
-	d := q.size
+	d = q.lengthSoFar
 	h[Size-8] ^= byte(d >> (8 * 0))
 	h[Size-7] ^= byte(d >> (8 * 1))
 	h[Size-6] ^= byte(d >> (8 * 2))
@@ -106,7 +174,7 @@ func (q *quickXorHash) checkSum() (h [Size + 1]byte) {
 // It does not change the underlying hash state.
 func (q *quickXorHash) Sum(b []byte) []byte {
 	hash := q.checkSum()
-	return append(b, hash[:Size]...)
+	return append(b, hash[:]...)
 }

 // Reset resets the Hash to its initial state.
@@ -128,10 +196,8 @@ func (q *quickXorHash) BlockSize() int {
 }

 // Sum returns the quickXorHash checksum of the data.
-func Sum(data []byte) (h [Size]byte) {
+func Sum(data []byte) [Size]byte {
 	var d quickXorHash
 	_, _ = d.Write(data)
-	s := d.checkSum()
-	copy(h[:], s[:])
-	return h
+	return d.checkSum()
 }
--- a/backend/onedrive/quickxorhash/quickxorhash_test.go
+++ b/backend/onedrive/quickxorhash/quickxorhash_test.go
@@ -4,7 +4,6 @@ import (
 	"encoding/base64"
 	"fmt"
 	"hash"
-	"math/rand"
 	"testing"

 	"github.com/stretchr/testify/assert"
@@ -167,16 +166,3 @@ func TestReset(t *testing.T) {

 // check interface
 var _ hash.Hash = (*quickXorHash)(nil)
-
-func BenchmarkQuickXorHash(b *testing.B) {
-	b.SetBytes(1 << 20)
-	buf := make([]byte, 1<<20)
-	rand.Read(buf)
-	h := New()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		h.Reset()
-		h.Write(buf)
-		h.Sum(nil)
-	}
-}
--- a/backend/onedrive/quickxorhash/xor.go
+++ b/backend/onedrive/quickxorhash/xor.go
@@ -1,20 +0,0 @@
-//go:build !go1.20
-
-package quickxorhash
-
-func xorBytes(dst, src []byte) int {
-	n := len(dst)
-	if len(src) < n {
-		n = len(src)
-	}
-	if n == 0 {
-		return 0
-	}
-	dst = dst[:n]
-	//src = src[:n]
-	src = src[:len(dst)] // remove bounds check in loop
-	for i := range dst {
-		dst[i] ^= src[i]
-	}
-	return n
-}
--- a/backend/onedrive/quickxorhash/xor_1.20.go
+++ b/backend/onedrive/quickxorhash/xor_1.20.go
@@ -1,9 +0,0 @@
-//go:build go1.20
-
-package quickxorhash
-
-import "crypto/subtle"
-
-func xorBytes(dst, src []byte) int {
-	return subtle.XORBytes(dst, src, dst)
-}
--- a/backend/opendrive/opendrive.go
+++ b/backend/opendrive/opendrive.go
@@ -42,10 +42,9 @@ func init() {
 		Description: "OpenDrive",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Name:      "username",
-			Help:      "Username.",
-			Required:  true,
-			Sensitive: true,
+			Name:     "username",
+			Help:     "Username.",
+			Required: true,
 		}, {
 			Name:       "password",
 			Help:       "Password.",
@@ -767,17 +766,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 		return f.shouldRetry(ctx, resp, err)
 	})
 	if err != nil {
-		if apiError, ok := err.(*Error); ok {
-			// Work around a bug maybe in opendrive or maybe in rclone.
-			//
-			// We should know whether the folder exists or not by the call to
-			// FindDir above so exactly why it is not found here is a mystery.
-			//
-			// This manifests as a failure in fs/sync TestSyncOverlapWithFilter
-			if apiError.Info.Message == "Folder is already deleted" {
-				return fs.DirEntries{}, nil
-			}
-		}
 		return nil, fmt.Errorf("failed to get folder list: %w", err)
 	}

--- a/backend/oracleobjectstorage/byok.go
+++ b/backend/oracleobjectstorage/byok.go
@@ -1,129 +0,0 @@
-//go:build !plan9 && !solaris && !js
-// +build !plan9,!solaris,!js
-
-package oracleobjectstorage
-
-import (
-	"crypto/sha256"
-	"encoding/base64"
-	"errors"
-	"fmt"
-	"os"
-	"strings"
-
-	"github.com/oracle/oci-go-sdk/v65/common"
-	"github.com/oracle/oci-go-sdk/v65/objectstorage"
-)
-
-const (
-	sseDefaultAlgorithm = "AES256"
-)
-
-func getSha256(p []byte) []byte {
-	h := sha256.New()
-	h.Write(p)
-	return h.Sum(nil)
-}
-
-func validateSSECustomerKeyOptions(opt *Options) error {
-	if opt.SSEKMSKeyID != "" && (opt.SSECustomerKeyFile != "" || opt.SSECustomerKey != "") {
-		return errors.New("oos: can't use vault sse_kms_key_id and local sse_customer_key at the same time")
-	}
-	if opt.SSECustomerKey != "" && opt.SSECustomerKeyFile != "" {
-		return errors.New("oos: can't use sse_customer_key and sse_customer_key_file at the same time")
-	}
-	if opt.SSEKMSKeyID != "" {
-		return nil
-	}
-	err := populateSSECustomerKeys(opt)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func populateSSECustomerKeys(opt *Options) error {
-	if opt.SSECustomerKeyFile != "" {
-		// Reads the base64-encoded AES key data from the specified file and computes its SHA256 checksum
-		data, err := os.ReadFile(expandPath(opt.SSECustomerKeyFile))
-		if err != nil {
-			return fmt.Errorf("oos: error reading sse_customer_key_file: %v", err)
-		}
-		opt.SSECustomerKey = strings.TrimSpace(string(data))
-	}
-	if opt.SSECustomerKey != "" {
-		decoded, err := base64.StdEncoding.DecodeString(opt.SSECustomerKey)
-		if err != nil {
-			return fmt.Errorf("oos: Could not decode sse_customer_key_file: %w", err)
-		}
-		sha256Checksum := base64.StdEncoding.EncodeToString(getSha256(decoded))
-		if opt.SSECustomerKeySha256 == "" {
-			opt.SSECustomerKeySha256 = sha256Checksum
-		} else {
-			if opt.SSECustomerKeySha256 != sha256Checksum {
-				return fmt.Errorf("the computed SHA256 checksum "+
-					"(%v) of the key doesn't match the config entry sse_customer_key_sha256=(%v)",
-					sha256Checksum, opt.SSECustomerKeySha256)
-			}
-		}
-		if opt.SSECustomerAlgorithm == "" {
-			opt.SSECustomerAlgorithm = sseDefaultAlgorithm
-		}
-	}
-	return nil
-}
-
-// https://docs.oracle.com/en-us/iaas/Content/Object/Tasks/usingyourencryptionkeys.htm
-func useBYOKPutObject(fs *Fs, request *objectstorage.PutObjectRequest) {
-	if fs.opt.SSEKMSKeyID != "" {
-		request.OpcSseKmsKeyId = common.String(fs.opt.SSEKMSKeyID)
-	}
-	if fs.opt.SSECustomerAlgorithm != "" {
-		request.OpcSseCustomerAlgorithm = common.String(fs.opt.SSECustomerAlgorithm)
-	}
-	if fs.opt.SSECustomerKey != "" {
-		request.OpcSseCustomerKey = common.String(fs.opt.SSECustomerKey)
-	}
-	if fs.opt.SSECustomerKeySha256 != "" {
-		request.OpcSseCustomerKeySha256 = common.String(fs.opt.SSECustomerKeySha256)
-	}
-}
-
-func useBYOKHeadObject(fs *Fs, request *objectstorage.HeadObjectRequest) {
-	if fs.opt.SSECustomerAlgorithm != "" {
-		request.OpcSseCustomerAlgorithm = common.String(fs.opt.SSECustomerAlgorithm)
-	}
-	if fs.opt.SSECustomerKey != "" {
-		request.OpcSseCustomerKey = common.String(fs.opt.SSECustomerKey)
-	}
-	if fs.opt.SSECustomerKeySha256 != "" {
-		request.OpcSseCustomerKeySha256 = common.String(fs.opt.SSECustomerKeySha256)
-	}
-}
-
-func useBYOKGetObject(fs *Fs, request *objectstorage.GetObjectRequest) {
-	if fs.opt.SSECustomerAlgorithm != "" {
-		request.OpcSseCustomerAlgorithm = common.String(fs.opt.SSECustomerAlgorithm)
-	}
-	if fs.opt.SSECustomerKey != "" {
-		request.OpcSseCustomerKey = common.String(fs.opt.SSECustomerKey)
-	}
-	if fs.opt.SSECustomerKeySha256 != "" {
-		request.OpcSseCustomerKeySha256 = common.String(fs.opt.SSECustomerKeySha256)
-	}
-}
-
-func useBYOKCopyObject(fs *Fs, request *objectstorage.CopyObjectRequest) {
-	if fs.opt.SSEKMSKeyID != "" {
-		request.OpcSseKmsKeyId = common.String(fs.opt.SSEKMSKeyID)
-	}
-	if fs.opt.SSECustomerAlgorithm != "" {
-		request.OpcSseCustomerAlgorithm = common.String(fs.opt.SSECustomerAlgorithm)
-	}
-	if fs.opt.SSECustomerKey != "" {
-		request.OpcSseCustomerKey = common.String(fs.opt.SSECustomerKey)
-	}
-	if fs.opt.SSECustomerKeySha256 != "" {
-		request.OpcSseCustomerKeySha256 = common.String(fs.opt.SSECustomerKeySha256)
-	}
-}
--- a/backend/oracleobjectstorage/client.go
+++ b/backend/oracleobjectstorage/client.go
@@ -9,8 +9,6 @@ import (
 	"errors"
 	"net/http"
 	"os"
-	"path"
-	"strings"

 	"github.com/oracle/oci-go-sdk/v65/common"
 	"github.com/oracle/oci-go-sdk/v65/common/auth"
@@ -20,33 +18,15 @@ import (
 	"github.com/rclone/rclone/fs/fshttp"
 )

-func expandPath(filepath string) (expandedPath string) {
-	if filepath == "" {
-		return filepath
-	}
-	cleanedPath := path.Clean(filepath)
-	expandedPath = cleanedPath
-	if strings.HasPrefix(cleanedPath, "~") {
-		rest := cleanedPath[2:]
-		home, err := os.UserHomeDir()
-		if err != nil {
-			return expandedPath
-		}
-		expandedPath = path.Join(home, rest)
-	}
-	return
-}
-
 func getConfigurationProvider(opt *Options) (common.ConfigurationProvider, error) {
 	switch opt.Provider {
 	case instancePrincipal:
 		return auth.InstancePrincipalConfigurationProvider()
 	case userPrincipal:
-		expandConfigFilePath := expandPath(opt.ConfigFile)
-		if expandConfigFilePath != "" && !fileExists(expandConfigFilePath) {
-			fs.Errorf(userPrincipal, "oci config file doesn't exist at %v", expandConfigFilePath)
+		if opt.ConfigFile != "" && !fileExists(opt.ConfigFile) {
+			fs.Errorf(userPrincipal, "oci config file doesn't exist at %v", opt.ConfigFile)
 		}
-		return common.CustomProfileConfigProvider(expandConfigFilePath, opt.ConfigProfile), nil
+		return common.CustomProfileConfigProvider(opt.ConfigFile, opt.ConfigProfile), nil
 	case resourcePrincipal:
 		return auth.ResourcePrincipalConfigurationProvider()
 	case noAuth:
--- a/backend/oracleobjectstorage/command.go
+++ b/backend/oracleobjectstorage/command.go
@@ -6,7 +6,6 @@ package oracleobjectstorage
 import (
 	"context"
 	"fmt"
-	"sort"
 	"strings"
 	"time"

@@ -66,8 +65,8 @@ a bucket or with a bucket and path.
 	Long: `This command removes unfinished multipart uploads of age greater than
 max-age which defaults to 24 hours.

-Note that you can use --interactive/-i or --dry-run with this command to see what
-it would do.
+Note that you can use -i/--dry-run with this command to see what it
+would do.

    rclone backend cleanup oos:bucket/path/to/object
    rclone backend cleanup -o max-age=7w oos:bucket/path/to/object
@@ -197,32 +196,6 @@ func (f *Fs) listMultipartUploadsAll(ctx context.Context) (uploadsMap map[string
 // for "dir" and it returns "dirKey"
 func (f *Fs) listMultipartUploads(ctx context.Context, bucketName, directory string) (
 	uploads []*objectstorage.MultipartUpload, err error) {
-	return f.listMultipartUploadsObject(ctx, bucketName, directory, false)
-}
-
-// listMultipartUploads finds first outstanding multipart uploads for (bucket, key)
-//
-// Note that rather lazily we treat key as a prefix, so it matches
-// directories and objects. This could surprise the user if they ask
-// for "dir" and it returns "dirKey"
-func (f *Fs) findLatestMultipartUpload(ctx context.Context, bucketName, directory string) (
-	uploads []*objectstorage.MultipartUpload, err error) {
-	pastUploads, err := f.listMultipartUploadsObject(ctx, bucketName, directory, true)
-	if err != nil {
-		return nil, err
-	}
-
-	if len(pastUploads) > 0 {
-		sort.Slice(pastUploads, func(i, j int) bool {
-			return pastUploads[i].TimeCreated.After(pastUploads[j].TimeCreated.Time)
-		})
-		return pastUploads[:1], nil
-	}
-	return nil, err
-}
-
-func (f *Fs) listMultipartUploadsObject(ctx context.Context, bucketName, directory string, exact bool) (
-	uploads []*objectstorage.MultipartUpload, err error) {

 	uploads = []*objectstorage.MultipartUpload{}
 	req := objectstorage.ListMultipartUploadsRequest{
@@ -244,13 +217,7 @@ func (f *Fs) listMultipartUploadsObject(ctx context.Context, bucketName, directo
 			if directory != "" && item.Object != nil && !strings.HasPrefix(*item.Object, directory) {
 				continue
 			}
-			if exact {
-				if *item.Object == directory {
-					uploads = append(uploads, &response.Items[index])
-				}
-			} else {
-				uploads = append(uploads, &response.Items[index])
-			}
+			uploads = append(uploads, &response.Items[index])
 		}
 		if response.OpcNextPage == nil {
 			break
@@ -259,34 +226,3 @@ func (f *Fs) listMultipartUploadsObject(ctx context.Context, bucketName, directo
 	}
 	return uploads, nil
 }
-
-func (f *Fs) listMultipartUploadParts(ctx context.Context, bucketName, bucketPath string, uploadID string) (
-	uploadedParts map[int]objectstorage.MultipartUploadPartSummary, err error) {
-	uploadedParts = make(map[int]objectstorage.MultipartUploadPartSummary)
-	req := objectstorage.ListMultipartUploadPartsRequest{
-		NamespaceName: common.String(f.opt.Namespace),
-		BucketName:    common.String(bucketName),
-		ObjectName:    common.String(bucketPath),
-		UploadId:      common.String(uploadID),
-		Limit:         common.Int(1000),
-	}
-
-	var response objectstorage.ListMultipartUploadPartsResponse
-	for {
-		err = f.pacer.Call(func() (bool, error) {
-			response, err = f.srv.ListMultipartUploadParts(ctx, req)
-			return shouldRetry(ctx, response.HTTPResponse(), err)
-		})
-		if err != nil {
-			return uploadedParts, err
-		}
-		for _, item := range response.Items {
-			uploadedParts[*item.PartNumber] = item
-		}
-		if response.OpcNextPage == nil {
-			break
-		}
-		req.Page = response.OpcNextPage
-	}
-	return uploadedParts, nil
-}
--- a/backend/oracleobjectstorage/copy.go
+++ b/backend/oracleobjectstorage/copy.go
@@ -74,7 +74,6 @@ func (f *Fs) copy(ctx context.Context, dstObj *Object, srcObj *Object) (err erro
 		BucketName:        common.String(srcBucket),
 		CopyObjectDetails: copyObjectDetails,
 	}
-	useBYOKCopyObject(f, &req)
 	var resp objectstorage.CopyObjectResponse
 	err = f.pacer.Call(func() (bool, error) {
 		resp, err = f.srv.CopyObject(ctx, req)
--- a/backend/oracleobjectstorage/multipart.go
+++ b/backend/oracleobjectstorage/multipart.go
@@ -1,441 +0,0 @@
-//go:build !plan9 && !solaris && !js
-// +build !plan9,!solaris,!js
-
-package oracleobjectstorage
-
-import (
-	"context"
-	"crypto/md5"
-	"encoding/base64"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/ncw/swift/v2"
-	"github.com/rclone/rclone/lib/multipart"
-	"github.com/rclone/rclone/lib/pool"
-	"golang.org/x/net/http/httpguts"
-
-	"github.com/oracle/oci-go-sdk/v65/common"
-	"github.com/oracle/oci-go-sdk/v65/objectstorage"
-	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fs/chunksize"
-	"github.com/rclone/rclone/fs/hash"
-)
-
-var warnStreamUpload sync.Once
-
-// Info needed for an upload
-type uploadInfo struct {
-	req       *objectstorage.PutObjectRequest
-	md5sumHex string
-}
-
-type objectChunkWriter struct {
-	chunkSize       int64
-	size            int64
-	f               *Fs
-	bucket          *string
-	key             *string
-	uploadID        *string
-	partsToCommit   []objectstorage.CommitMultipartUploadPartDetails
-	partsToCommitMu sync.Mutex
-	existingParts   map[int]objectstorage.MultipartUploadPartSummary
-	eTag            string
-	md5sMu          sync.Mutex
-	md5s            []byte
-	ui              uploadInfo
-	o               *Object
-}
-
-func (o *Object) uploadMultipart(ctx context.Context, src fs.ObjectInfo, in io.Reader, options ...fs.OpenOption) error {
-	_, err := multipart.UploadMultipart(ctx, src, in, multipart.UploadMultipartOptions{
-		Open:        o.fs,
-		OpenOptions: options,
-	})
-	return err
-}
-
-// OpenChunkWriter returns the chunk size and a ChunkWriter
-//
-// Pass in the remote and the src object
-// You can also use options to hint at the desired chunk size
-func (f *Fs) OpenChunkWriter(
-	ctx context.Context,
-	remote string,
-	src fs.ObjectInfo,
-	options ...fs.OpenOption) (info fs.ChunkWriterInfo, writer fs.ChunkWriter, err error) {
-	// Temporary Object under construction
-	o := &Object{
-		fs:     f,
-		remote: remote,
-	}
-	ui, err := o.prepareUpload(ctx, src, options)
-	if err != nil {
-		return info, nil, fmt.Errorf("failed to prepare upload: %w", err)
-	}
-
-	uploadParts := f.opt.MaxUploadParts
-	if uploadParts < 1 {
-		uploadParts = 1
-	} else if uploadParts > maxUploadParts {
-		uploadParts = maxUploadParts
-	}
-	size := src.Size()
-
-	// calculate size of parts
-	chunkSize := f.opt.ChunkSize
-
-	// size can be -1 here meaning we don't know the size of the incoming file. We use ChunkSize
-	// buffers here (default 5 MiB). With a maximum number of parts (10,000) this will be a file of
-	// 48 GiB which seems like a not too unreasonable limit.
-	if size == -1 {
-		warnStreamUpload.Do(func() {
-			fs.Logf(f, "Streaming uploads using chunk size %v will have maximum file size of %v",
-				f.opt.ChunkSize, fs.SizeSuffix(int64(chunkSize)*int64(uploadParts)))
-		})
-	} else {
-		chunkSize = chunksize.Calculator(src, size, uploadParts, chunkSize)
-	}
-
-	uploadID, existingParts, err := o.createMultipartUpload(ctx, ui.req)
-	if err != nil {
-		return info, nil, fmt.Errorf("create multipart upload request failed: %w", err)
-	}
-	bucketName, bucketPath := o.split()
-	chunkWriter := &objectChunkWriter{
-		chunkSize:     int64(chunkSize),
-		size:          size,
-		f:             f,
-		bucket:        &bucketName,
-		key:           &bucketPath,
-		uploadID:      &uploadID,
-		existingParts: existingParts,
-		ui:            ui,
-		o:             o,
-	}
-	info = fs.ChunkWriterInfo{
-		ChunkSize:         int64(chunkSize),
-		Concurrency:       o.fs.opt.UploadConcurrency,
-		LeavePartsOnError: o.fs.opt.LeavePartsOnError,
-	}
-	fs.Debugf(o, "open chunk writer: started multipart upload: %v", uploadID)
-	return info, chunkWriter, err
-}
-
-// WriteChunk will write chunk number with reader bytes, where chunk number >= 0
-func (w *objectChunkWriter) WriteChunk(ctx context.Context, chunkNumber int, reader io.ReadSeeker) (bytesWritten int64, err error) {
-	if chunkNumber < 0 {
-		err := fmt.Errorf("invalid chunk number provided: %v", chunkNumber)
-		return -1, err
-	}
-	// Only account after the checksum reads have been done
-	if do, ok := reader.(pool.DelayAccountinger); ok {
-		// To figure out this number, do a transfer and if the accounted size is 0 or a
-		// multiple of what it should be, increase or decrease this number.
-		do.DelayAccounting(2)
-	}
-	m := md5.New()
-	currentChunkSize, err := io.Copy(m, reader)
-	if err != nil {
-		return -1, err
-	}
-	// If no data read, don't write the chunk
-	if currentChunkSize == 0 {
-		return 0, nil
-	}
-	md5sumBinary := m.Sum([]byte{})
-	w.addMd5(&md5sumBinary, int64(chunkNumber))
-	md5sum := base64.StdEncoding.EncodeToString(md5sumBinary[:])
-
-	// Object storage requires 1 <= PartNumber <= 10000
-	ossPartNumber := chunkNumber + 1
-	if existing, ok := w.existingParts[ossPartNumber]; ok {
-		if md5sum == *existing.Md5 {
-			fs.Debugf(w.o, "matched uploaded part found, part num %d, skipping part, md5=%v", *existing.PartNumber, md5sum)
-			w.addCompletedPart(existing.PartNumber, existing.Etag)
-			return currentChunkSize, nil
-		}
-	}
-	req := objectstorage.UploadPartRequest{
-		NamespaceName: common.String(w.f.opt.Namespace),
-		BucketName:    w.bucket,
-		ObjectName:    w.key,
-		UploadId:      w.uploadID,
-		UploadPartNum: common.Int(ossPartNumber),
-		ContentLength: common.Int64(currentChunkSize),
-		ContentMD5:    common.String(md5sum),
-	}
-	w.o.applyPartUploadOptions(w.ui.req, &req)
-	var resp objectstorage.UploadPartResponse
-	err = w.f.pacer.Call(func() (bool, error) {
-		// req.UploadPartBody = io.NopCloser(bytes.NewReader(buf))
-		// rewind the reader on retry and after reading md5
-		_, err = reader.Seek(0, io.SeekStart)
-		if err != nil {
-			return false, err
-		}
-		req.UploadPartBody = io.NopCloser(reader)
-		resp, err = w.f.srv.UploadPart(ctx, req)
-		if err != nil {
-			if ossPartNumber <= 8 {
-				return shouldRetry(ctx, resp.HTTPResponse(), err)
-			}
-			// retry all chunks once have done the first few
-			return true, err
-		}
-		return false, err
-	})
-	if err != nil {
-		fs.Errorf(w.o, "multipart upload failed to upload part:%d err: %v", ossPartNumber, err)
-		return -1, fmt.Errorf("multipart upload failed to upload part: %w", err)
-	}
-	w.addCompletedPart(&ossPartNumber, resp.ETag)
-	return currentChunkSize, err
-
-}
-
-// add a part number and etag to the completed parts
-func (w *objectChunkWriter) addCompletedPart(partNum *int, eTag *string) {
-	w.partsToCommitMu.Lock()
-	defer w.partsToCommitMu.Unlock()
-	w.partsToCommit = append(w.partsToCommit, objectstorage.CommitMultipartUploadPartDetails{
-		PartNum: partNum,
-		Etag:    eTag,
-	})
-}
-
-func (w *objectChunkWriter) Close(ctx context.Context) (err error) {
-	req := objectstorage.CommitMultipartUploadRequest{
-		NamespaceName: common.String(w.f.opt.Namespace),
-		BucketName:    w.bucket,
-		ObjectName:    w.key,
-		UploadId:      w.uploadID,
-	}
-	req.PartsToCommit = w.partsToCommit
-	var resp objectstorage.CommitMultipartUploadResponse
-	err = w.f.pacer.Call(func() (bool, error) {
-		resp, err = w.f.srv.CommitMultipartUpload(ctx, req)
-		// if multipart is corrupted, we will abort the uploadId
-		if isMultiPartUploadCorrupted(err) {
-			fs.Debugf(w.o, "multipart uploadId %v is corrupted, aborting...", *w.uploadID)
-			_ = w.Abort(ctx)
-			return false, err
-		}
-		return shouldRetry(ctx, resp.HTTPResponse(), err)
-	})
-	if err != nil {
-		return err
-	}
-	w.eTag = *resp.ETag
-	hashOfHashes := md5.Sum(w.md5s)
-	wantMultipartMd5 := fmt.Sprintf("%s-%d", base64.StdEncoding.EncodeToString(hashOfHashes[:]), len(w.partsToCommit))
-	gotMultipartMd5 := *resp.OpcMultipartMd5
-	if wantMultipartMd5 != gotMultipartMd5 {
-		fs.Errorf(w.o, "multipart upload corrupted: multipart md5 differ: expecting %s but got %s", wantMultipartMd5, gotMultipartMd5)
-		return fmt.Errorf("multipart upload corrupted: md5 differ: expecting %s but got %s", wantMultipartMd5, gotMultipartMd5)
-	}
-	fs.Debugf(w.o, "multipart upload %v md5 matched: expecting %s and got %s", *w.uploadID, wantMultipartMd5, gotMultipartMd5)
-	return nil
-}
-
-func isMultiPartUploadCorrupted(err error) bool {
-	if err == nil {
-		return false
-	}
-	// Check if this oci-err object, and if it is multipart commit error
-	if ociError, ok := err.(common.ServiceError); ok {
-		// If it is a timeout then we want to retry that
-		if ociError.GetCode() == "InvalidUploadPart" {
-			return true
-		}
-	}
-	return false
-}
-
-func (w *objectChunkWriter) Abort(ctx context.Context) error {
-	fs.Debugf(w.o, "Cancelling multipart upload")
-	err := w.o.fs.abortMultiPartUpload(
-		ctx,
-		w.bucket,
-		w.key,
-		w.uploadID)
-	if err != nil {
-		fs.Debugf(w.o, "Failed to cancel multipart upload: %v", err)
-	} else {
-		fs.Debugf(w.o, "canceled and aborted multipart upload: %v", *w.uploadID)
-	}
-	return err
-}
-
-// addMd5 adds a binary md5 to the md5 calculated so far
-func (w *objectChunkWriter) addMd5(md5binary *[]byte, chunkNumber int64) {
-	w.md5sMu.Lock()
-	defer w.md5sMu.Unlock()
-	start := chunkNumber * md5.Size
-	end := start + md5.Size
-	if extend := end - int64(len(w.md5s)); extend > 0 {
-		w.md5s = append(w.md5s, make([]byte, extend)...)
-	}
-	copy(w.md5s[start:end], (*md5binary)[:])
-}
-
-func (o *Object) prepareUpload(ctx context.Context, src fs.ObjectInfo, options []fs.OpenOption) (ui uploadInfo, err error) {
-	bucket, bucketPath := o.split()
-
-	ui.req = &objectstorage.PutObjectRequest{
-		NamespaceName: common.String(o.fs.opt.Namespace),
-		BucketName:    common.String(bucket),
-		ObjectName:    common.String(bucketPath),
-	}
-
-	// Set the mtime in the metadata
-	modTime := src.ModTime(ctx)
-	// Fetch metadata if --metadata is in use
-	meta, err := fs.GetMetadataOptions(ctx, src, options)
-	if err != nil {
-		return ui, fmt.Errorf("failed to read metadata from source object: %w", err)
-	}
-	ui.req.OpcMeta = make(map[string]string, len(meta)+2)
-	// merge metadata into request and user metadata
-	for k, v := range meta {
-		pv := common.String(v)
-		k = strings.ToLower(k)
-		switch k {
-		case "cache-control":
-			ui.req.CacheControl = pv
-		case "content-disposition":
-			ui.req.ContentDisposition = pv
-		case "content-encoding":
-			ui.req.ContentEncoding = pv
-		case "content-language":
-			ui.req.ContentLanguage = pv
-		case "content-type":
-			ui.req.ContentType = pv
-		case "tier":
-			// ignore
-		case "mtime":
-			// mtime in meta overrides source ModTime
-			metaModTime, err := time.Parse(time.RFC3339Nano, v)
-			if err != nil {
-				fs.Debugf(o, "failed to parse metadata %s: %q: %v", k, v, err)
-			} else {
-				modTime = metaModTime
-			}
-		case "btime":
-			// write as metadata since we can't set it
-			ui.req.OpcMeta[k] = v
-		default:
-			ui.req.OpcMeta[k] = v
-		}
-	}
-
-	// Set the mtime in the metadata
-	ui.req.OpcMeta[metaMtime] = swift.TimeToFloatString(modTime)
-
-	// read the md5sum if available
-	// - for non-multipart
-	//    - so we can add a ContentMD5
-	//    - so we can add the md5sum in the metadata as metaMD5Hash if using SSE/SSE-C
-	// - for multipart provided checksums aren't disabled
-	//    - so we can add the md5sum in the metadata as metaMD5Hash
-	size := src.Size()
-	isMultipart := size < 0 || size >= int64(o.fs.opt.UploadCutoff)
-	var md5sumBase64 string
-	if !isMultipart || !o.fs.opt.DisableChecksum {
-		ui.md5sumHex, err = src.Hash(ctx, hash.MD5)
-		if err == nil && matchMd5.MatchString(ui.md5sumHex) {
-			hashBytes, err := hex.DecodeString(ui.md5sumHex)
-			if err == nil {
-				md5sumBase64 = base64.StdEncoding.EncodeToString(hashBytes)
-				if isMultipart && !o.fs.opt.DisableChecksum {
-					// Set the md5sum as metadata on the object if
-					// - a multipart upload
-					// - the ETag is not an MD5, e.g. when using SSE/SSE-C
-					// provided checksums aren't disabled
-					ui.req.OpcMeta[metaMD5Hash] = md5sumBase64
-				}
-			}
-		}
-	}
-	// Set the content type if it isn't set already
-	if ui.req.ContentType == nil {
-		ui.req.ContentType = common.String(fs.MimeType(ctx, src))
-	}
-	if size >= 0 {
-		ui.req.ContentLength = common.Int64(size)
-	}
-	if md5sumBase64 != "" {
-		ui.req.ContentMD5 = &md5sumBase64
-	}
-	o.applyPutOptions(ui.req, options...)
-	useBYOKPutObject(o.fs, ui.req)
-	if o.fs.opt.StorageTier != "" {
-		storageTier, ok := objectstorage.GetMappingPutObjectStorageTierEnum(o.fs.opt.StorageTier)
-		if !ok {
-			return ui, fmt.Errorf("not a valid storage tier: %v", o.fs.opt.StorageTier)
-		}
-		ui.req.StorageTier = storageTier
-	}
-	// Check metadata keys and values are valid
-	for key, value := range ui.req.OpcMeta {
-		if !httpguts.ValidHeaderFieldName(key) {
-			fs.Errorf(o, "Dropping invalid metadata key %q", key)
-			delete(ui.req.OpcMeta, key)
-		} else if value == "" {
-			fs.Errorf(o, "Dropping nil metadata value for key %q", key)
-			delete(ui.req.OpcMeta, key)
-		} else if !httpguts.ValidHeaderFieldValue(value) {
-			fs.Errorf(o, "Dropping invalid metadata value %q for key %q", value, key)
-			delete(ui.req.OpcMeta, key)
-		}
-	}
-	return ui, nil
-}
-
-func (o *Object) createMultipartUpload(ctx context.Context, putReq *objectstorage.PutObjectRequest) (
-	uploadID string, existingParts map[int]objectstorage.MultipartUploadPartSummary, err error) {
-	bucketName, bucketPath := o.split()
-	f := o.fs
-	if f.opt.AttemptResumeUpload {
-		fs.Debugf(o, "attempting to resume upload for %v (if any)", o.remote)
-		resumeUploads, err := o.fs.findLatestMultipartUpload(ctx, bucketName, bucketPath)
-		if err == nil && len(resumeUploads) > 0 {
-			uploadID = *resumeUploads[0].UploadId
-			existingParts, err = f.listMultipartUploadParts(ctx, bucketName, bucketPath, uploadID)
-			if err == nil {
-				fs.Debugf(o, "resuming with existing upload id: %v", uploadID)
-				return uploadID, existingParts, err
-			}
-		}
-	}
-	req := objectstorage.CreateMultipartUploadRequest{
-		NamespaceName: common.String(o.fs.opt.Namespace),
-		BucketName:    common.String(bucketName),
-	}
-	req.Object = common.String(bucketPath)
-	if o.fs.opt.StorageTier != "" {
-		storageTier, ok := objectstorage.GetMappingStorageTierEnum(o.fs.opt.StorageTier)
-		if !ok {
-			return "", nil, fmt.Errorf("not a valid storage tier: %v", o.fs.opt.StorageTier)
-		}
-		req.StorageTier = storageTier
-	}
-	o.applyMultipartUploadOptions(putReq, &req)
-
-	var resp objectstorage.CreateMultipartUploadResponse
-	err = o.fs.pacer.Call(func() (bool, error) {
-		resp, err = o.fs.srv.CreateMultipartUpload(ctx, req)
-		return shouldRetry(ctx, resp.HTTPResponse(), err)
-	})
-	if err != nil {
-		return "", existingParts, err
-	}
-	existingParts = make(map[int]objectstorage.MultipartUploadPartSummary)
-	uploadID = *resp.UploadId
-	fs.Debugf(o, "created new upload id: %v", uploadID)
-	return uploadID, existingParts, err
-}
--- a/backend/oracleobjectstorage/object.go
+++ b/backend/oracleobjectstorage/object.go
@@ -4,14 +4,12 @@
 package oracleobjectstorage

 import (
-	"bytes"
 	"context"
 	"encoding/base64"
 	"encoding/hex"
 	"fmt"
 	"io"
 	"net/http"
-	"os"
 	"regexp"
 	"strconv"
 	"strings"
@@ -20,8 +18,10 @@ import (
 	"github.com/ncw/swift/v2"
 	"github.com/oracle/oci-go-sdk/v65/common"
 	"github.com/oracle/oci-go-sdk/v65/objectstorage"
+	"github.com/oracle/oci-go-sdk/v65/objectstorage/transfer"
 	"github.com/rclone/rclone/fs"
 	"github.com/rclone/rclone/fs/hash"
+	"github.com/rclone/rclone/lib/atexit"
 )

 // ------------------------------------------------------------
@@ -87,7 +87,6 @@ func (o *Object) headObject(ctx context.Context) (info *objectstorage.HeadObject
 		BucketName:    common.String(bucketName),
 		ObjectName:    common.String(objectPath),
 	}
-	useBYOKHeadObject(o.fs, &req)
 	var response objectstorage.HeadObjectResponse
 	err = o.fs.pacer.Call(func() (bool, error) {
 		var err error
@@ -100,7 +99,6 @@ func (o *Object) headObject(ctx context.Context) (info *objectstorage.HeadObject
 				return nil, fs.ErrorObjectNotFound
 			}
 		}
-		fs.Errorf(o, "Failed to head object: %v", err)
 		return nil, err
 	}
 	o.fs.cache.MarkOK(bucketName)
@@ -333,7 +331,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (io.ReadClo
 		ObjectName:    common.String(bucketPath),
 	}
 	o.applyGetObjectOptions(&req, options...)
-	useBYOKGetObject(o.fs, &req)
+
 	var resp objectstorage.GetObjectResponse
 	err := o.fs.pacer.Call(func() (bool, error) {
 		var err error
@@ -367,28 +365,9 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (io.ReadClo
 	return resp.HTTPResponse().Body, nil
 }

-func isZeroLength(streamReader io.Reader) bool {
-	switch v := streamReader.(type) {
-	case *bytes.Buffer:
-		return v.Len() == 0
-	case *bytes.Reader:
-		return v.Len() == 0
-	case *strings.Reader:
-		return v.Len() == 0
-	case *os.File:
-		fi, err := v.Stat()
-		if err != nil {
-			return false
-		}
-		return fi.Size() == 0
-	default:
-		return false
-	}
-}
-
 // Update an object if it has changed
 func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (err error) {
-	bucketName, _ := o.split()
+	bucketName, bucketPath := o.split()
 	err = o.fs.makeBucket(ctx, bucketName)
 	if err != nil {
 		return err
@@ -396,24 +375,139 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op

 	// determine if we like upload single or multipart.
 	size := src.Size()
-	multipart := size < 0 || size >= int64(o.fs.opt.UploadCutoff)
-	if isZeroLength(in) {
-		multipart = false
+	multipart := size >= int64(o.fs.opt.UploadCutoff)
+
+	// Set the mtime in the metadata
+	modTime := src.ModTime(ctx)
+	metadata := map[string]string{
+		metaMtime: swift.TimeToFloatString(modTime),
 	}
+
+	// read the md5sum if available
+	// - for non-multipart
+	//    - so we can add a ContentMD5
+	//    - so we can add the md5sum in the metadata as metaMD5Hash if using SSE/SSE-C
+	// - for multipart provided checksums aren't disabled
+	//    - so we can add the md5sum in the metadata as metaMD5Hash
+	var md5sumBase64 string
+	var md5sumHex string
+	if !multipart || !o.fs.opt.DisableChecksum {
+		md5sumHex, err = src.Hash(ctx, hash.MD5)
+		if err == nil && matchMd5.MatchString(md5sumHex) {
+			hashBytes, err := hex.DecodeString(md5sumHex)
+			if err == nil {
+				md5sumBase64 = base64.StdEncoding.EncodeToString(hashBytes)
+				if multipart && !o.fs.opt.DisableChecksum {
+					// Set the md5sum as metadata on the object if
+					// - a multipart upload
+					// - the ETag is not an MD5, e.g. when using SSE/SSE-C
+					// provided checksums aren't disabled
+					metadata[metaMD5Hash] = md5sumBase64
+				}
+			}
+		}
+	}
+	// Guess the content type
+	mimeType := fs.MimeType(ctx, src)
+
 	if multipart {
-		err = o.uploadMultipart(ctx, src, in)
+		chunkSize := int64(o.fs.opt.ChunkSize)
+		uploadRequest := transfer.UploadRequest{
+			NamespaceName:                       common.String(o.fs.opt.Namespace),
+			BucketName:                          common.String(bucketName),
+			ObjectName:                          common.String(bucketPath),
+			ContentType:                         common.String(mimeType),
+			PartSize:                            common.Int64(chunkSize),
+			AllowMultipartUploads:               common.Bool(true),
+			AllowParrallelUploads:               common.Bool(true),
+			ObjectStorageClient:                 o.fs.srv,
+			EnableMultipartChecksumVerification: common.Bool(!o.fs.opt.DisableChecksum),
+			NumberOfGoroutines:                  common.Int(o.fs.opt.UploadConcurrency),
+			Metadata:                            metadataWithOpcPrefix(metadata),
+		}
+		if o.fs.opt.StorageTier != "" {
+			storageTier, ok := objectstorage.GetMappingPutObjectStorageTierEnum(o.fs.opt.StorageTier)
+			if !ok {
+				return fmt.Errorf("not a valid storage tier: %v", o.fs.opt.StorageTier)
+			}
+			uploadRequest.StorageTier = storageTier
+		}
+		o.applyMultiPutOptions(&uploadRequest, options...)
+		uploadStreamRequest := transfer.UploadStreamRequest{
+			UploadRequest: uploadRequest,
+			StreamReader:  in,
+		}
+		uploadMgr := transfer.NewUploadManager()
+		var uploadID = ""
+
+		defer atexit.OnError(&err, func() {
+			if uploadID == "" {
+				return
+			}
+			if o.fs.opt.LeavePartsOnError {
+				return
+			}
+			fs.Debugf(o, "Cancelling multipart upload")
+			errCancel := o.fs.abortMultiPartUpload(
+				context.Background(),
+				bucketName,
+				bucketPath,
+				uploadID)
+			if errCancel != nil {
+				fs.Debugf(o, "Failed to cancel multipart upload: %v", errCancel)
+			}
+		})()
+
+		err = o.fs.pacer.Call(func() (bool, error) {
+			uploadResponse, err := uploadMgr.UploadStream(ctx, uploadStreamRequest)
+			var httpResponse *http.Response
+			if err == nil {
+				if uploadResponse.Type == transfer.MultipartUpload {
+					if uploadResponse.MultipartUploadResponse != nil {
+						httpResponse = uploadResponse.MultipartUploadResponse.HTTPResponse()
+					}
+				} else {
+					if uploadResponse.SinglepartUploadResponse != nil {
+						httpResponse = uploadResponse.SinglepartUploadResponse.HTTPResponse()
+					}
+				}
+			}
+			if err != nil {
+				uploadID := ""
+				if uploadResponse.MultipartUploadResponse != nil && uploadResponse.MultipartUploadResponse.UploadID != nil {
+					uploadID = *uploadResponse.MultipartUploadResponse.UploadID
+					fs.Debugf(o, "multipart streaming upload failed, aborting uploadID: %v, may retry", uploadID)
+					_ = o.fs.abortMultiPartUpload(ctx, bucketName, bucketPath, uploadID)
+				}
+			}
+			return shouldRetry(ctx, httpResponse, err)
+		})
 		if err != nil {
+			fs.Errorf(o, "multipart streaming upload failed %v", err)
 			return err
 		}
 	} else {
-		ui, err := o.prepareUpload(ctx, src, options)
-		if err != nil {
-			return fmt.Errorf("failed to prepare upload: %w", err)
+		req := objectstorage.PutObjectRequest{
+			NamespaceName: common.String(o.fs.opt.Namespace),
+			BucketName:    common.String(bucketName),
+			ObjectName:    common.String(bucketPath),
+			ContentType:   common.String(mimeType),
+			PutObjectBody: io.NopCloser(in),
+			OpcMeta:       metadata,
 		}
-		var resp objectstorage.PutObjectResponse
-		err = o.fs.pacer.CallNoRetry(func() (bool, error) {
-			ui.req.PutObjectBody = io.NopCloser(in)
-			resp, err = o.fs.srv.PutObject(ctx, *ui.req)
+		if size >= 0 {
+			req.ContentLength = common.Int64(size)
+		}
+		if o.fs.opt.StorageTier != "" {
+			storageTier, ok := objectstorage.GetMappingPutObjectStorageTierEnum(o.fs.opt.StorageTier)
+			if !ok {
+				return fmt.Errorf("not a valid storage tier: %v", o.fs.opt.StorageTier)
+			}
+			req.StorageTier = storageTier
+		}
+		o.applyPutOptions(&req, options...)
+		err = o.fs.pacer.Call(func() (bool, error) {
+			resp, err := o.fs.srv.PutObject(ctx, req)
 			return shouldRetry(ctx, resp.HTTPResponse(), err)
 		})
 		if err != nil {
@@ -492,24 +586,28 @@ func (o *Object) applyGetObjectOptions(req *objectstorage.GetObjectRequest, opti
 	}
 }

-func (o *Object) applyMultipartUploadOptions(putReq *objectstorage.PutObjectRequest, req *objectstorage.CreateMultipartUploadRequest) {
-	req.ContentType = putReq.ContentType
-	req.ContentLanguage = putReq.ContentLanguage
-	req.ContentEncoding = putReq.ContentEncoding
-	req.ContentDisposition = putReq.ContentDisposition
-	req.CacheControl = putReq.CacheControl
-	req.Metadata = metadataWithOpcPrefix(putReq.OpcMeta)
-	req.OpcSseCustomerAlgorithm = putReq.OpcSseCustomerAlgorithm
-	req.OpcSseCustomerKey = putReq.OpcSseCustomerKey
-	req.OpcSseCustomerKeySha256 = putReq.OpcSseCustomerKeySha256
-	req.OpcSseKmsKeyId = putReq.OpcSseKmsKeyId
-}
-
-func (o *Object) applyPartUploadOptions(putReq *objectstorage.PutObjectRequest, req *objectstorage.UploadPartRequest) {
-	req.OpcSseCustomerAlgorithm = putReq.OpcSseCustomerAlgorithm
-	req.OpcSseCustomerKey = putReq.OpcSseCustomerKey
-	req.OpcSseCustomerKeySha256 = putReq.OpcSseCustomerKeySha256
-	req.OpcSseKmsKeyId = putReq.OpcSseKmsKeyId
+func (o *Object) applyMultiPutOptions(req *transfer.UploadRequest, options ...fs.OpenOption) {
+	// Apply upload options
+	for _, option := range options {
+		key, value := option.Header()
+		lowerKey := strings.ToLower(key)
+		switch lowerKey {
+		case "":
+			// ignore
+		case "content-encoding":
+			req.ContentEncoding = common.String(value)
+		case "content-language":
+			req.ContentLanguage = common.String(value)
+		case "content-type":
+			req.ContentType = common.String(value)
+		default:
+			if strings.HasPrefix(lowerKey, ociMetaPrefix) {
+				req.Metadata[lowerKey] = value
+			} else {
+				fs.Errorf(o, "Don't know how to set key %q on upload", key)
+			}
+		}
+	}
 }

 func metadataWithOpcPrefix(src map[string]string) map[string]string {
--- a/backend/oracleobjectstorage/options.go
+++ b/backend/oracleobjectstorage/options.go
@@ -13,12 +13,13 @@ import (

 const (
 	maxSizeForCopy             = 4768 * 1024 * 1024
-	maxUploadParts             = 10000
-	defaultUploadConcurrency   = 10
-	minChunkSize               = fs.SizeSuffix(5 * 1024 * 1024)
+	minChunkSize               = fs.SizeSuffix(1024 * 1024 * 5)
 	defaultUploadCutoff        = fs.SizeSuffix(200 * 1024 * 1024)
+	defaultUploadConcurrency   = 10
 	maxUploadCutoff            = fs.SizeSuffix(5 * 1024 * 1024 * 1024)
-	minSleep                   = 10 * time.Millisecond
+	minSleep                   = 100 * time.Millisecond
+	maxSleep                   = 5 * time.Minute
+	decayConstant              = 1 // bigger for slower decay, exponential
 	defaultCopyTimeoutDuration = fs.Duration(time.Minute)
 )

@@ -46,30 +47,23 @@ https://docs.oracle.com/en-us/iaas/Content/Identity/Tasks/callingservicesfromins

 // Options defines the configuration for this backend
 type Options struct {
-	Provider             string               `config:"provider"`
-	Compartment          string               `config:"compartment"`
-	Namespace            string               `config:"namespace"`
-	Region               string               `config:"region"`
-	Endpoint             string               `config:"endpoint"`
-	Enc                  encoder.MultiEncoder `config:"encoding"`
-	ConfigFile           string               `config:"config_file"`
-	ConfigProfile        string               `config:"config_profile"`
-	UploadCutoff         fs.SizeSuffix        `config:"upload_cutoff"`
-	ChunkSize            fs.SizeSuffix        `config:"chunk_size"`
-	MaxUploadParts       int                  `config:"max_upload_parts"`
-	UploadConcurrency    int                  `config:"upload_concurrency"`
-	DisableChecksum      bool                 `config:"disable_checksum"`
-	CopyCutoff           fs.SizeSuffix        `config:"copy_cutoff"`
-	CopyTimeout          fs.Duration          `config:"copy_timeout"`
-	StorageTier          string               `config:"storage_tier"`
-	LeavePartsOnError    bool                 `config:"leave_parts_on_error"`
-	AttemptResumeUpload  bool                 `config:"attempt_resume_upload"`
-	NoCheckBucket        bool                 `config:"no_check_bucket"`
-	SSEKMSKeyID          string               `config:"sse_kms_key_id"`
-	SSECustomerAlgorithm string               `config:"sse_customer_algorithm"`
-	SSECustomerKey       string               `config:"sse_customer_key"`
-	SSECustomerKeyFile   string               `config:"sse_customer_key_file"`
-	SSECustomerKeySha256 string               `config:"sse_customer_key_sha256"`
+	Provider          string               `config:"provider"`
+	Compartment       string               `config:"compartment"`
+	Namespace         string               `config:"namespace"`
+	Region            string               `config:"region"`
+	Endpoint          string               `config:"endpoint"`
+	Enc               encoder.MultiEncoder `config:"encoding"`
+	ConfigFile        string               `config:"config_file"`
+	ConfigProfile     string               `config:"config_profile"`
+	UploadCutoff      fs.SizeSuffix        `config:"upload_cutoff"`
+	ChunkSize         fs.SizeSuffix        `config:"chunk_size"`
+	UploadConcurrency int                  `config:"upload_concurrency"`
+	DisableChecksum   bool                 `config:"disable_checksum"`
+	CopyCutoff        fs.SizeSuffix        `config:"copy_cutoff"`
+	CopyTimeout       fs.Duration          `config:"copy_timeout"`
+	StorageTier       string               `config:"storage_tier"`
+	LeavePartsOnError bool                 `config:"leave_parts_on_error"`
+	NoCheckBucket     bool                 `config:"no_check_bucket"`
 }

 func newOptions() []fs.Option {
@@ -95,16 +89,14 @@ func newOptions() []fs.Option {
 			Help:  noAuthHelpText,
 		}},
 	}, {
-		Name:      "namespace",
-		Help:      "Object storage namespace",
-		Required:  true,
-		Sensitive: true,
+		Name:     "namespace",
+		Help:     "Object storage namespace",
+		Required: true,
 	}, {
-		Name:      "compartment",
-		Help:      "Object storage compartment OCID",
-		Provider:  "!no_auth",
-		Required:  true,
-		Sensitive: true,
+		Name:     "compartment",
+		Help:     "Object storage compartment OCID",
+		Provider: "!no_auth",
+		Required: true,
 	}, {
 		Name:     "region",
 		Help:     "Object storage Region",
@@ -131,22 +123,6 @@ func newOptions() []fs.Option {
 			Value: "Default",
 			Help:  "Use the default profile",
 		}},
-	}, {
-		// Mapping from here: https://github.com/oracle/oci-go-sdk/blob/master/objectstorage/storage_tier.go
-		Name:     "storage_tier",
-		Help:     "The storage class to use when storing new objects in storage. https://docs.oracle.com/en-us/iaas/Content/Object/Concepts/understandingstoragetiers.htm",
-		Default:  "Standard",
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "Standard",
-			Help:  "Standard storage tier, this is the default tier",
-		}, {
-			Value: "InfrequentAccess",
-			Help:  "InfrequentAccess storage tier",
-		}, {
-			Value: "Archive",
-			Help:  "Archive storage tier",
-		}},
 	}, {
 		Name: "upload_cutoff",
 		Help: `Cutoff for switching to chunked upload.
@@ -160,8 +136,9 @@ The minimum is 0 and the maximum is 5 GiB.`,
 		Help: `Chunk size to use for uploading.

 When uploading files larger than upload_cutoff or files with unknown
-size (e.g. from "rclone rcat" or uploaded with "rclone mount" they will be uploaded 
-as multipart uploads using this chunk size.
+size (e.g. from "rclone rcat" or uploaded with "rclone mount" or google
+photos or google docs) they will be uploaded as multipart uploads
+using this chunk size.

 Note that "upload_concurrency" chunks of this size are buffered
 in memory per transfer.
@@ -183,20 +160,6 @@ statistics displayed with "-P" flag.
 `,
 		Default:  minChunkSize,
 		Advanced: true,
-	}, {
-		Name: "max_upload_parts",
-		Help: `Maximum number of parts in a multipart upload.
-
-This option defines the maximum number of multipart chunks to use
-when doing a multipart upload.
-
-OCI has max parts limit of 10,000 chunks.
-
-Rclone will automatically increase the chunk size when uploading a
-large file of a known size to stay below this number of chunks limit.
-`,
-		Default:  maxUploadParts,
-		Advanced: true,
 	}, {
 		Name: "upload_concurrency",
 		Help: `Concurrency for multipart uploads.
@@ -254,24 +217,12 @@ to start uploading.`,
 			encoder.EncodeDot,
 	}, {
 		Name: "leave_parts_on_error",
-		Help: `If true avoid calling abort upload on a failure, leaving all successfully uploaded parts for manual recovery.
+		Help: `If true avoid calling abort upload on a failure, leaving all successfully uploaded parts on S3 for manual recovery.

 It should be set to true for resuming uploads across different sessions.

 WARNING: Storing parts of an incomplete multipart upload counts towards space usage on object storage and will add
 additional costs if not cleaned up.
-`,
-		Default:  false,
-		Advanced: true,
-	}, {
-		Name: "attempt_resume_upload",
-		Help: `If true attempt to resume previously started multipart upload for the object.
-This will be helpful to speed up multipart transfers by resuming uploads from past session.
-
-WARNING: If chunk size differs in resumed session from past incomplete session, then the resumed multipart upload is 
-aborted and a new multipart upload is started with the new chunk size.
-
-The flag leave_parts_on_error must be true to resume and optimize to skip parts that were already uploaded successfully.
 `,
 		Default:  false,
 		Advanced: true,
@@ -287,59 +238,5 @@ creation permissions.
 `,
 		Default:  false,
 		Advanced: true,
-	}, {
-		Name: "sse_customer_key_file",
-		Help: `To use SSE-C, a file containing the base64-encoded string of the AES-256 encryption key associated
-with the object. Please note only one of sse_customer_key_file|sse_customer_key|sse_kms_key_id is needed.'`,
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "",
-			Help:  "None",
-		}},
-	}, {
-		Name: "sse_customer_key",
-		Help: `To use SSE-C, the optional header that specifies the base64-encoded 256-bit encryption key to use to
-encrypt or  decrypt the data. Please note only one of sse_customer_key_file|sse_customer_key|sse_kms_key_id is
-needed. For more information, see Using Your Own Keys for Server-Side Encryption 
-(https://docs.cloud.oracle.com/Content/Object/Tasks/usingyourencryptionkeys.htm)`,
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "",
-			Help:  "None",
-		}},
-	}, {
-		Name: "sse_customer_key_sha256",
-		Help: `If using SSE-C, The optional header that specifies the base64-encoded SHA256 hash of the encryption
-key. This value is used to check the integrity of the encryption key. see Using Your Own Keys for 
-Server-Side Encryption (https://docs.cloud.oracle.com/Content/Object/Tasks/usingyourencryptionkeys.htm).`,
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "",
-			Help:  "None",
-		}},
-	}, {
-		Name: "sse_kms_key_id",
-		Help: `if using your own master key in vault, this header specifies the
-OCID (https://docs.cloud.oracle.com/Content/General/Concepts/identifiers.htm) of a master encryption key used to call
-the Key Management service to generate a data encryption key or to encrypt or decrypt a data encryption key.
-Please note only one of sse_customer_key_file|sse_customer_key|sse_kms_key_id is needed.`,
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "",
-			Help:  "None",
-		}},
-	}, {
-		Name: "sse_customer_algorithm",
-		Help: `If using SSE-C, the optional header that specifies "AES256" as the encryption algorithm.
-Object Storage supports "AES256" as the encryption algorithm. For more information, see
-Using Your Own Keys for Server-Side Encryption (https://docs.cloud.oracle.com/Content/Object/Tasks/usingyourencryptionkeys.htm).`,
-		Advanced: true,
-		Examples: []fs.OptionExample{{
-			Value: "",
-			Help:  "None",
-		}, {
-			Value: sseDefaultAlgorithm,
-			Help:  sseDefaultAlgorithm,
-		}},
 	}}
 }
--- a/backend/oracleobjectstorage/oracleobjectstorage.go
+++ b/backend/oracleobjectstorage/oracleobjectstorage.go
@@ -59,27 +59,19 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if err != nil {
 		return nil, err
 	}
-	err = validateSSECustomerKeyOptions(opt)
-	if err != nil {
-		return nil, err
-	}
 	ci := fs.GetConfig(ctx)
 	objectStorageClient, err := newObjectStorageClient(ctx, opt)
 	if err != nil {
 		return nil, err
 	}
-	pc := fs.NewPacer(ctx, pacer.NewS3(pacer.MinSleep(minSleep)))
-	// Set pacer retries to 2 (1 try and 1 retry) because we are
-	// relying on SDK retry mechanism, but we allow 2 attempts to
-	// retry directory listings after XMLSyntaxError
-	pc.SetRetries(2)
+	p := pacer.NewDefault(pacer.MinSleep(minSleep), pacer.MaxSleep(maxSleep), pacer.DecayConstant(decayConstant))
 	f := &Fs{
 		name:  name,
 		opt:   *opt,
 		ci:    ci,
 		srv:   objectStorageClient,
 		cache: bucket.NewCache(),
-		pacer: pc,
+		pacer: fs.NewPacer(ctx, p),
 	}
 	f.setRoot(root)
 	f.features = (&fs.Features{
@@ -318,6 +310,7 @@ func (f *Fs) list(ctx context.Context, bucket, directory, prefix string, addBuck
 			remote := *object.Name
 			remote = f.opt.Enc.ToStandardPath(remote)
 			if !strings.HasPrefix(remote, prefix) {
+				// fs.Debugf(f, "Odd name received %v", object.Name)
 				continue
 			}
 			remote = remote[len(prefix):]
@@ -557,15 +550,15 @@ func (f *Fs) Rmdir(ctx context.Context, dir string) error {
 	})
 }

-func (f *Fs) abortMultiPartUpload(ctx context.Context, bucketName, bucketPath, uploadID *string) (err error) {
-	if uploadID == nil || *uploadID == "" {
+func (f *Fs) abortMultiPartUpload(ctx context.Context, bucketName, bucketPath, uploadID string) (err error) {
+	if uploadID == "" {
 		return nil
 	}
 	request := objectstorage.AbortMultipartUploadRequest{
 		NamespaceName: common.String(f.opt.Namespace),
-		BucketName:    bucketName,
-		ObjectName:    bucketPath,
-		UploadId:      uploadID,
+		BucketName:    common.String(bucketName),
+		ObjectName:    common.String(bucketPath),
+		UploadId:      common.String(uploadID),
 	}
 	err = f.pacer.Call(func() (bool, error) {
 		resp, err := f.srv.AbortMultipartUpload(ctx, request)
@@ -588,7 +581,12 @@ func (f *Fs) cleanUpBucket(ctx context.Context, bucket string, maxAge time.Durat
 				if operations.SkipDestructive(ctx, what, "remove pending upload") {
 					continue
 				}
-				_ = f.abortMultiPartUpload(ctx, upload.Bucket, upload.Object, upload.UploadId)
+				ignoreErr := f.abortMultiPartUpload(ctx, *upload.Bucket, *upload.Object, *upload.UploadId)
+				if ignoreErr != nil {
+					// fs.Debugf(f, "ignoring error %s", ignoreErr)
+				}
+			} else {
+				// fs.Debugf(f, "ignoring %s", what)
 			}
 		} else {
 			fs.Infof(f, "MultipartUpload doesn't have sufficient details to abort.")
@@ -683,13 +681,12 @@ func (f *Fs) ListR(ctx context.Context, dir string, callback fs.ListRCallback) (

 // Check the interfaces are satisfied
 var (
-	_ fs.Fs              = &Fs{}
-	_ fs.Copier          = &Fs{}
-	_ fs.PutStreamer     = &Fs{}
-	_ fs.ListRer         = &Fs{}
-	_ fs.Commander       = &Fs{}
-	_ fs.CleanUpper      = &Fs{}
-	_ fs.OpenChunkWriter = &Fs{}
+	_ fs.Fs          = &Fs{}
+	_ fs.Copier      = &Fs{}
+	_ fs.PutStreamer = &Fs{}
+	_ fs.ListRer     = &Fs{}
+	_ fs.Commander   = &Fs{}
+	_ fs.CleanUpper  = &Fs{}

 	_ fs.Object    = &Object{}
 	_ fs.MimeTyper = &Object{}
--- a/backend/pcloud/pcloud.go
+++ b/backend/pcloud/pcloud.go
@@ -110,11 +110,10 @@ func init() {
 				encoder.EncodeBackSlash |
 				encoder.EncodeInvalidUtf8),
 		}, {
-			Name:      "root_folder_id",
-			Help:      "Fill in for rclone to use a non root folder as its starting point.",
-			Default:   "d0",
-			Advanced:  true,
-			Sensitive: true,
+			Name:     "root_folder_id",
+			Help:     "Fill in for rclone to use a non root folder as its starting point.",
+			Default:  "d0",
+			Advanced: true,
 		}, {
 			Name: "hostname",
 			Help: `Hostname to connect to.
@@ -139,8 +138,7 @@ with rclone authorize.
 This is only required when you want to use the cleanup command. Due to a bug
 in the pcloud API the required API does not support OAuth authentication so
 we have to rely on user password authentication for it.`,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name:       "password",
 			Help:       "Your pcloud password.",
--- a/backend/pikpak/api/types.go
+++ b/backend/pikpak/api/types.go
@@ -1,536 +0,0 @@
-// Package api has type definitions for pikpak
-//
-// Manually obtained from the API responses using Browse Dev. Tool and https://mholt.github.io/json-to-go/
-package api
-
-import (
-	"fmt"
-	"reflect"
-	"strconv"
-	"time"
-)
-
-const (
-	// "2022-09-17T14:31:06.056+08:00"
-	timeFormat = `"` + time.RFC3339 + `"`
-)
-
-// Time represents date and time information for the pikpak API, by using RFC3339
-type Time time.Time
-
-// MarshalJSON turns a Time into JSON (in UTC)
-func (t *Time) MarshalJSON() (out []byte, err error) {
-	timeString := (*time.Time)(t).Format(timeFormat)
-	return []byte(timeString), nil
-}
-
-// UnmarshalJSON turns JSON into a Time
-func (t *Time) UnmarshalJSON(data []byte) error {
-	if string(data) == "null" || string(data) == `""` {
-		return nil
-	}
-	newT, err := time.Parse(timeFormat, string(data))
-	if err != nil {
-		return err
-	}
-	*t = Time(newT)
-	return nil
-}
-
-// Types of things in Item
-const (
-	KindOfFolder        = "drive#folder"
-	KindOfFile          = "drive#file"
-	KindOfFileList      = "drive#fileList"
-	KindOfResumable     = "drive#resumable"
-	KindOfForm          = "drive#form"
-	ThumbnailSizeS      = "SIZE_SMALL"
-	ThumbnailSizeM      = "SIZE_MEDIUM"
-	ThumbnailSizeL      = "SIZE_LARGE"
-	PhaseTypeComplete   = "PHASE_TYPE_COMPLETE"
-	PhaseTypeRunning    = "PHASE_TYPE_RUNNING"
-	PhaseTypeError      = "PHASE_TYPE_ERROR"
-	PhaseTypePending    = "PHASE_TYPE_PENDING"
-	UploadTypeForm      = "UPLOAD_TYPE_FORM"
-	UploadTypeResumable = "UPLOAD_TYPE_RESUMABLE"
-	ListLimit           = 100
-)
-
-// ------------------------------------------------------------
-
-// Error details api error from pikpak
-type Error struct {
-	Reason  string `json:"error"` // short description of the reason, e.g. "file_name_empty" "invalid_request"
-	Code    int    `json:"error_code"`
-	URL     string `json:"error_url,omitempty"`
-	Message string `json:"error_description,omitempty"`
-	// can have either of `error_details` or `details``
-	ErrorDetails []*ErrorDetails `json:"error_details,omitempty"`
-	Details      []*ErrorDetails `json:"details,omitempty"`
-}
-
-// ErrorDetails contains further details of api error
-type ErrorDetails struct {
-	Type     string `json:"@type,omitempty"`
-	Reason   string `json:"reason,omitempty"`
-	Domain   string `json:"domain,omitempty"`
-	Metadata struct {
-	} `json:"metadata,omitempty"` // TODO: undiscovered yet
-	Locale       string        `json:"locale,omitempty"` // e.g. "en"
-	Message      string        `json:"message,omitempty"`
-	StackEntries []interface{} `json:"stack_entries,omitempty"` // TODO: undiscovered yet
-	Detail       string        `json:"detail,omitempty"`
-}
-
-// Error returns a string for the error and satisfies the error interface
-func (e *Error) Error() string {
-	out := fmt.Sprintf("Error %q (%d)", e.Reason, e.Code)
-	if e.Message != "" {
-		out += ": " + e.Message
-	}
-	return out
-}
-
-// Check Error satisfies the error interface
-var _ error = (*Error)(nil)
-
-// ------------------------------------------------------------
-
-// Filters contains parameters for filters when listing.
-//
-// possible operators
-// * in: a list of comma-separated string
-// * eq: "true" or "false"
-// * gt or lt: time format string, e.g. "2023-01-28T10:56:49.757+08:00"
-type Filters struct {
-	Phase        map[string]string `json:"phase,omitempty"`         // "in" or "eq"
-	Trashed      map[string]bool   `json:"trashed,omitempty"`       // "eq"
-	Kind         map[string]string `json:"kind,omitempty"`          // "eq"
-	Starred      map[string]bool   `json:"starred,omitempty"`       // "eq"
-	ModifiedTime map[string]string `json:"modified_time,omitempty"` // "gt" or "lt"
-}
-
-// Set sets filter values using field name, operator and corresponding value
-func (f *Filters) Set(field, operator, value string) {
-	if value == "" {
-		// UNSET for empty values
-		return
-	}
-	r := reflect.ValueOf(f)
-	fd := reflect.Indirect(r).FieldByName(field)
-	if v, err := strconv.ParseBool(value); err == nil {
-		fd.Set(reflect.ValueOf(map[string]bool{operator: v}))
-	} else {
-		fd.Set(reflect.ValueOf(map[string]string{operator: value}))
-	}
-}
-
-// ------------------------------------------------------------
-// Common Elements
-
-// Link contains a download URL for opening files
-type Link struct {
-	URL    string `json:"url"`
-	Token  string `json:"token"`
-	Expire Time   `json:"expire"`
-	Type   string `json:"type,omitempty"`
-}
-
-// Valid reports whether l is non-nil, has an URL, and is not expired.
-func (l *Link) Valid() bool {
-	return l != nil && l.URL != "" && time.Now().Add(10*time.Second).Before(time.Time(l.Expire))
-}
-
-// URL is a basic form of URL
-type URL struct {
-	Kind string `json:"kind,omitempty"` // e.g. "upload#url"
-	URL  string `json:"url,omitempty"`
-}
-
-// ------------------------------------------------------------
-// Base Elements
-
-// FileList contains a list of File elements
-type FileList struct {
-	Kind            string  `json:"kind,omitempty"` // drive#fileList
-	Files           []*File `json:"files,omitempty"`
-	NextPageToken   string  `json:"next_page_token"`
-	Version         string  `json:"version,omitempty"`
-	VersionOutdated bool    `json:"version_outdated,omitempty"`
-}
-
-// File is a basic element representing a single file object
-//
-// There are two types of download links,
-// 1) one from File.WebContentLink or File.Links.ApplicationOctetStream.URL and
-// 2) the other from File.Medias[].Link.URL.
-// Empirically, 2) is less restrictive to multiple concurrent range-requests
-// for a single file, i.e. supports for higher `--multi-thread-streams=N`.
-// However, it is not generally applicable as it is only for meadia.
-type File struct {
-	Apps              []*FileApp    `json:"apps,omitempty"`
-	Audit             *FileAudit    `json:"audit,omitempty"`
-	Collection        string        `json:"collection,omitempty"` // TODO
-	CreatedTime       Time          `json:"created_time,omitempty"`
-	DeleteTime        Time          `json:"delete_time,omitempty"`
-	FileCategory      string        `json:"file_category,omitempty"`
-	FileExtension     string        `json:"file_extension,omitempty"`
-	FolderType        string        `json:"folder_type,omitempty"`
-	Hash              string        `json:"hash,omitempty"` // sha1 but NOT a valid file hash. looks like a torrent hash
-	IconLink          string        `json:"icon_link,omitempty"`
-	ID                string        `json:"id,omitempty"`
-	Kind              string        `json:"kind,omitempty"` // "drive#file"
-	Links             *FileLinks    `json:"links,omitempty"`
-	Md5Checksum       string        `json:"md5_checksum,omitempty"`
-	Medias            []*Media      `json:"medias,omitempty"`
-	MimeType          string        `json:"mime_type,omitempty"`
-	ModifiedTime      Time          `json:"modified_time,omitempty"` // updated when renamed or moved
-	Name              string        `json:"name,omitempty"`
-	OriginalFileIndex int           `json:"original_file_index,omitempty"` // TODO
-	OriginalURL       string        `json:"original_url,omitempty"`
-	Params            *FileParams   `json:"params,omitempty"`
-	ParentID          string        `json:"parent_id,omitempty"`
-	Phase             string        `json:"phase,omitempty"`
-	Revision          int           `json:"revision,omitempty,string"`
-	Size              int64         `json:"size,omitempty,string"`
-	SortName          string        `json:"sort_name,omitempty"`
-	Space             string        `json:"space,omitempty"`
-	SpellName         []interface{} `json:"spell_name,omitempty"` // TODO maybe list of something?
-	Starred           bool          `json:"starred,omitempty"`
-	ThumbnailLink     string        `json:"thumbnail_link,omitempty"`
-	Trashed           bool          `json:"trashed,omitempty"`
-	UserID            string        `json:"user_id,omitempty"`
-	UserModifiedTime  Time          `json:"user_modified_time,omitempty"`
-	WebContentLink    string        `json:"web_content_link,omitempty"`
-	Writable          bool          `json:"writable,omitempty"`
-}
-
-// FileLinks includes links to file at backend
-type FileLinks struct {
-	ApplicationOctetStream *Link `json:"application/octet-stream,omitempty"`
-}
-
-// FileAudit contains audit information for the file
-type FileAudit struct {
-	Status  string `json:"status,omitempty"` // "STATUS_OK"
-	Message string `json:"message,omitempty"`
-	Title   string `json:"title,omitempty"`
-}
-
-// Media contains info about supported version of media, e.g. original, transcoded, etc
-type Media struct {
-	MediaID   string `json:"media_id,omitempty"`
-	MediaName string `json:"media_name,omitempty"`
-	Video     struct {
-		Height     int    `json:"height,omitempty"`
-		Width      int    `json:"width,omitempty"`
-		Duration   int64  `json:"duration,omitempty"`
-		BitRate    int    `json:"bit_rate,omitempty"`
-		FrameRate  int    `json:"frame_rate,omitempty"`
-		VideoCodec string `json:"video_codec,omitempty"` // "h264", "hevc"
-		AudioCodec string `json:"audio_codec,omitempty"` // "pcm_bluray", "aac"
-		VideoType  string `json:"video_type,omitempty"`  // "mpegts"
-		HdrType    string `json:"hdr_type,omitempty"`
-	} `json:"video,omitempty"`
-	Link           *Link         `json:"link,omitempty"`
-	NeedMoreQuota  bool          `json:"need_more_quota,omitempty"`
-	VipTypes       []interface{} `json:"vip_types,omitempty"` // TODO maybe list of something?
-	RedirectLink   string        `json:"redirect_link,omitempty"`
-	IconLink       string        `json:"icon_link,omitempty"`
-	IsDefault      bool          `json:"is_default,omitempty"`
-	Priority       int           `json:"priority,omitempty"`
-	IsOrigin       bool          `json:"is_origin,omitempty"`
-	ResolutionName string        `json:"resolution_name,omitempty"`
-	IsVisible      bool          `json:"is_visible,omitempty"`
-	Category       string        `json:"category,omitempty"`
-}
-
-// FileParams includes parameters for instant open
-type FileParams struct {
-	Duration     int64  `json:"duration,omitempty,string"` // in seconds
-	Height       int    `json:"height,omitempty,string"`
-	Platform     string `json:"platform,omitempty"` // "Upload"
-	PlatformIcon string `json:"platform_icon,omitempty"`
-	URL          string `json:"url,omitempty"`
-	Width        int    `json:"width,omitempty,string"`
-}
-
-// FileApp includes parameters for instant open
-type FileApp struct {
-	ID            string        `json:"id,omitempty"`   // "decompress" for rar files
-	Name          string        `json:"name,omitempty"` // decompress" for rar files
-	Access        []interface{} `json:"access,omitempty"`
-	Link          string        `json:"link,omitempty"` // "https://mypikpak.com/drive/decompression/{File.Id}?gcid={File.Hash}\u0026wv-style=topbar%3Ahide"
-	RedirectLink  string        `json:"redirect_link,omitempty"`
-	VipTypes      []interface{} `json:"vip_types,omitempty"`
-	NeedMoreQuota bool          `json:"need_more_quota,omitempty"`
-	IconLink      string        `json:"icon_link,omitempty"`
-	IsDefault     bool          `json:"is_default,omitempty"`
-	Params        struct {
-	} `json:"params,omitempty"` // TODO
-	CategoryIds []interface{} `json:"category_ids,omitempty"`
-	AdSceneType int           `json:"ad_scene_type,omitempty"`
-	Space       string        `json:"space,omitempty"`
-	Links       struct {
-	} `json:"links,omitempty"` // TODO
-}
-
-// ------------------------------------------------------------
-
-// TaskList contains a list of Task elements
-type TaskList struct {
-	Tasks         []*Task `json:"tasks,omitempty"` // "drive#task"
-	NextPageToken string  `json:"next_page_token"`
-	ExpiresIn     int     `json:"expires_in,omitempty"`
-}
-
-// Task is a basic element representing a single task such as offline download and upload
-type Task struct {
-	Kind              string        `json:"kind,omitempty"` // "drive#task"
-	ID                string        `json:"id,omitempty"`   // task id?
-	Name              string        `json:"name,omitempty"` // torrent name?
-	Type              string        `json:"type,omitempty"` // "offline"
-	UserID            string        `json:"user_id,omitempty"`
-	Statuses          []interface{} `json:"statuses,omitempty"`    // TODO
-	StatusSize        int           `json:"status_size,omitempty"` // TODO
-	Params            *TaskParams   `json:"params,omitempty"`      // TODO
-	FileID            string        `json:"file_id,omitempty"`
-	FileName          string        `json:"file_name,omitempty"`
-	FileSize          string        `json:"file_size,omitempty"`
-	Message           string        `json:"message,omitempty"` // e.g. "Saving"
-	CreatedTime       Time          `json:"created_time,omitempty"`
-	UpdatedTime       Time          `json:"updated_time,omitempty"`
-	ThirdTaskID       string        `json:"third_task_id,omitempty"` // TODO
-	Phase             string        `json:"phase,omitempty"`         // e.g. "PHASE_TYPE_RUNNING"
-	Progress          int           `json:"progress,omitempty"`
-	IconLink          string        `json:"icon_link,omitempty"`
-	Callback          string        `json:"callback,omitempty"`
-	ReferenceResource interface{}   `json:"reference_resource,omitempty"` // TODO
-	Space             string        `json:"space,omitempty"`
-}
-
-// TaskParams includes parameters informing status of Task
-type TaskParams struct {
-	Age          string `json:"age,omitempty"`
-	PredictSpeed string `json:"predict_speed,omitempty"`
-	PredictType  string `json:"predict_type,omitempty"`
-	URL          string `json:"url,omitempty"`
-}
-
-// Form contains parameters for upload by multipart/form-data
-type Form struct {
-	Headers    struct{} `json:"headers"`
-	Kind       string   `json:"kind"`   // "drive#form"
-	Method     string   `json:"method"` // "POST"
-	MultiParts struct {
-		OSSAccessKeyID string `json:"OSSAccessKeyId"`
-		Signature      string `json:"Signature"`
-		Callback       string `json:"callback"`
-		Key            string `json:"key"`
-		Policy         string `json:"policy"`
-		XUserData      string `json:"x:user_data"`
-	} `json:"multi_parts"`
-	URL string `json:"url"`
-}
-
-// Resumable contains parameters for upload by resumable
-type Resumable struct {
-	Kind     string           `json:"kind,omitempty"`     // "drive#resumable"
-	Provider string           `json:"provider,omitempty"` // e.g. "PROVIDER_ALIYUN"
-	Params   *ResumableParams `json:"params,omitempty"`
-}
-
-// ResumableParams specifies resumable paramegers
-type ResumableParams struct {
-	AccessKeyID     string `json:"access_key_id,omitempty"`
-	AccessKeySecret string `json:"access_key_secret,omitempty"`
-	Bucket          string `json:"bucket,omitempty"`
-	Endpoint        string `json:"endpoint,omitempty"`
-	Expiration      Time   `json:"expiration,omitempty"`
-	Key             string `json:"key,omitempty"`
-	SecurityToken   string `json:"security_token,omitempty"`
-}
-
-// FileInArchive is a basic element in archive
-type FileInArchive struct {
-	Index    int    `json:"index,omitempty"`
-	Filename string `json:"filename,omitempty"`
-	Filesize string `json:"filesize,omitempty"`
-	MimeType string `json:"mime_type,omitempty"`
-	Gcid     string `json:"gcid,omitempty"`
-	Kind     string `json:"kind,omitempty"`
-	IconLink string `json:"icon_link,omitempty"`
-	Path     string `json:"path,omitempty"`
-}
-
-// ------------------------------------------------------------
-
-// NewFile is a response to RequestNewFile
-type NewFile struct {
-	File       *File      `json:"file,omitempty"`
-	Form       *Form      `json:"form,omitempty"`
-	Resumable  *Resumable `json:"resumable,omitempty"`
-	Task       *Task      `json:"task,omitempty"`        // null in this case
-	UploadType string     `json:"upload_type,omitempty"` // "UPLOAD_TYPE_FORM" or "UPLOAD_TYPE_RESUMABLE"
-}
-
-// NewTask is a response to RequestNewTask
-type NewTask struct {
-	UploadType string `json:"upload_type,omitempty"` // "UPLOAD_TYPE_URL"
-	File       *File  `json:"file,omitempty"`        // null in this case
-	Task       *Task  `json:"task,omitempty"`
-	URL        *URL   `json:"url,omitempty"` // {"kind": "upload#url"}
-}
-
-// About informs drive status
-type About struct {
-	Kind      string `json:"kind,omitempty"` // "drive#about"
-	Quota     *Quota `json:"quota,omitempty"`
-	ExpiresAt string `json:"expires_at,omitempty"`
-	Quotas    struct {
-	} `json:"quotas,omitempty"` // maybe []*Quota?
-}
-
-// Quota informs drive quota
-type Quota struct {
-	Kind           string `json:"kind,omitempty"`                  // "drive#quota"
-	Limit          int64  `json:"limit,omitempty,string"`          // limit in bytes
-	Usage          int64  `json:"usage,omitempty,string"`          // bytes in use
-	UsageInTrash   int64  `json:"usage_in_trash,omitempty,string"` // bytes in trash but this seems not working
-	PlayTimesLimit string `json:"play_times_limit,omitempty"`      // maybe in seconds
-	PlayTimesUsage string `json:"play_times_usage,omitempty"`      // maybe in seconds
-}
-
-// Share is a response to RequestShare
-//
-// used in PublicLink()
-type Share struct {
-	ShareID   string `json:"share_id,omitempty"`
-	ShareURL  string `json:"share_url,omitempty"`
-	PassCode  string `json:"pass_code,omitempty"`
-	ShareText string `json:"share_text,omitempty"`
-}
-
-// User contains user account information
-//
-// GET https://user.mypikpak.com/v1/user/me
-type User struct {
-	Sub               string          `json:"sub,omitempty"`       // userid for internal use
-	Name              string          `json:"name,omitempty"`      // Username
-	Picture           string          `json:"picture,omitempty"`   // URL to Avatar image
-	Email             string          `json:"email,omitempty"`     // redacted email address
-	Providers         *[]UserProvider `json:"providers,omitempty"` // OAuth provider
-	PhoneNumber       string          `json:"phone_number,omitempty"`
-	Password          string          `json:"password,omitempty"` // "SET" if configured
-	Status            string          `json:"status,omitempty"`   // "ACTIVE"
-	CreatedAt         Time            `json:"created_at,omitempty"`
-	PasswordUpdatedAt Time            `json:"password_updated_at,omitempty"`
-}
-
-// UserProvider details third-party authentication
-type UserProvider struct {
-	ID             string `json:"id,omitempty"` // e.g. "google.com"
-	ProviderUserID string `json:"provider_user_id,omitempty"`
-	Name           string `json:"name,omitempty"` // username
-}
-
-// VIP includes subscription details about premium account
-//
-// GET https://api-drive.mypikpak.com/drive/v1/privilege/vip
-type VIP struct {
-	Result      string `json:"result,omitempty"` // "ACCEPTED"
-	Message     string `json:"message,omitempty"`
-	RedirectURI string `json:"redirect_uri,omitempty"`
-	Data        struct {
-		Expire Time   `json:"expire,omitempty"`
-		Status string `json:"status,omitempty"`  // "invalid" or "ok"
-		Type   string `json:"type,omitempty"`    // "novip" or "platinum"
-		UserID string `json:"user_id,omitempty"` // same as User.Sub
-	} `json:"data,omitempty"`
-}
-
-// DecompressResult is a response to RequestDecompress
-type DecompressResult struct {
-	Status       string `json:"status,omitempty"` // "OK"
-	StatusText   string `json:"status_text,omitempty"`
-	TaskID       string `json:"task_id,omitempty"`   // same as File.Id
-	FilesNum     int    `json:"files_num,omitempty"` // number of files in archive
-	RedirectLink string `json:"redirect_link,omitempty"`
-}
-
-// ------------------------------------------------------------
-
-// RequestShare is to request for file share
-type RequestShare struct {
-	FileIds        []string `json:"file_ids,omitempty"`
-	ShareTo        string   `json:"share_to,omitempty"`         // "publiclink",
-	ExpirationDays int      `json:"expiration_days,omitempty"`  // -1 = 'forever'
-	PassCodeOption string   `json:"pass_code_option,omitempty"` // "NOT_REQUIRED"
-}
-
-// RequestBatch is to request for batch actions
-type RequestBatch struct {
-	Ids []string          `json:"ids,omitempty"`
-	To  map[string]string `json:"to,omitempty"`
-}
-
-// RequestNewFile is to request for creating a new `drive#folder` or `drive#file`
-type RequestNewFile struct {
-	// always required
-	Kind       string `json:"kind"` // "drive#folder" or "drive#file"
-	Name       string `json:"name"`
-	ParentID   string `json:"parent_id"`
-	FolderType string `json:"folder_type"`
-	// only when uploading a new file
-	Hash       string            `json:"hash,omitempty"`      // sha1sum
-	Resumable  map[string]string `json:"resumable,omitempty"` // {"provider": "PROVIDER_ALIYUN"}
-	Size       int64             `json:"size,omitempty"`
-	UploadType string            `json:"upload_type,omitempty"` // "UPLOAD_TYPE_FORM" or "UPLOAD_TYPE_RESUMABLE"
-}
-
-// RequestNewTask is to request for creating a new task like offline downloads
-//
-// Name and ParentID can be left empty.
-type RequestNewTask struct {
-	Kind       string `json:"kind,omitempty"` // "drive#file"
-	Name       string `json:"name,omitempty"`
-	ParentID   string `json:"parent_id,omitempty"`
-	UploadType string `json:"upload_type,omitempty"` // "UPLOAD_TYPE_URL"
-	URL        *URL   `json:"url,omitempty"`         // {"url": downloadUrl}
-	FolderType string `json:"folder_type,omitempty"` // "" if parent_id else "DOWNLOAD"
-}
-
-// RequestDecompress is to request for decompress of archive files
-type RequestDecompress struct {
-	Gcid          string           `json:"gcid,omitempty"`     // same as File.Hash
-	Password      string           `json:"password,omitempty"` // ""
-	FileID        string           `json:"file_id,omitempty"`
-	Files         []*FileInArchive `json:"files,omitempty"` // can request selected files to be decompressed
-	DefaultParent bool             `json:"default_parent,omitempty"`
-}
-
-// ------------------------------------------------------------
-
-// NOT implemented YET
-
-// RequestArchiveFileList is to request for a list of files in archive
-//
-// POST https://api-drive.mypikpak.com/decompress/v1/list
-type RequestArchiveFileList struct {
-	Gcid     string `json:"gcid,omitempty"`     // same as api.File.Hash
-	Path     string `json:"path,omitempty"`     // "" by default
-	Password string `json:"password,omitempty"` // "" by default
-	FileID   string `json:"file_id,omitempty"`
-}
-
-// ArchiveFileList is a response to RequestArchiveFileList
-type ArchiveFileList struct {
-	Status      string           `json:"status,omitempty"`       // "OK"
-	StatusText  string           `json:"status_text,omitempty"`  // ""
-	TaskID      string           `json:"task_id,omitempty"`      // ""
-	CurrentPath string           `json:"current_path,omitempty"` // ""
-	Title       string           `json:"title,omitempty"`
-	FileSize    int64            `json:"file_size,omitempty"`
-	Gcid        string           `json:"gcid,omitempty"` // same as File.Hash
-	Files       []*FileInArchive `json:"files,omitempty"`
-}
--- a/backend/pikpak/helper.go
+++ b/backend/pikpak/helper.go
@@ -1,253 +0,0 @@
-package pikpak
-
-import (
-	"bytes"
-	"context"
-	"crypto/sha1"
-	"encoding/hex"
-	"errors"
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-
-	"github.com/rclone/rclone/backend/pikpak/api"
-	"github.com/rclone/rclone/lib/rest"
-)
-
-// Globals
-const (
-	cachePrefix = "rclone-pikpak-sha1sum-"
-)
-
-// requestDecompress requests decompress of compressed files
-func (f *Fs) requestDecompress(ctx context.Context, file *api.File, password string) (info *api.DecompressResult, err error) {
-	req := &api.RequestDecompress{
-		Gcid:          file.Hash,
-		Password:      password,
-		FileID:        file.ID,
-		Files:         []*api.FileInArchive{},
-		DefaultParent: true,
-	}
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/decompress/v1/decompress",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// getUserInfo gets UserInfo from API
-func (f *Fs) getUserInfo(ctx context.Context) (info *api.User, err error) {
-	opts := rest.Opts{
-		Method:  "GET",
-		RootURL: "https://user.mypikpak.com/v1/user/me",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return nil, fmt.Errorf("failed to get userinfo: %w", err)
-	}
-	return
-}
-
-// getVIPInfo gets VIPInfo from API
-func (f *Fs) getVIPInfo(ctx context.Context) (info *api.VIP, err error) {
-	opts := rest.Opts{
-		Method:  "GET",
-		RootURL: "https://api-drive.mypikpak.com/drive/v1/privilege/vip",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return nil, fmt.Errorf("failed to get vip info: %w", err)
-	}
-	return
-}
-
-// requestBatchAction requests batch actions to API
-//
-// action can be one of batch{Copy,Delete,Trash,Untrash}
-func (f *Fs) requestBatchAction(ctx context.Context, action string, req *api.RequestBatch) (err error) {
-	opts := rest.Opts{
-		Method:     "POST",
-		Path:       "/drive/v1/files:" + action,
-		NoResponse: true, // Only returns `{"task_id":""}
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, nil)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return fmt.Errorf("batch action %q failed: %w", action, err)
-	}
-	return nil
-}
-
-// requestNewTask requests a new api.NewTask and returns api.Task
-func (f *Fs) requestNewTask(ctx context.Context, req *api.RequestNewTask) (info *api.Task, err error) {
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/drive/v1/files",
-	}
-	var newTask api.NewTask
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, &newTask)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	if err != nil {
-		return nil, err
-	}
-	return newTask.Task, nil
-}
-
-// requestNewFile requests a new api.NewFile and returns api.File
-func (f *Fs) requestNewFile(ctx context.Context, req *api.RequestNewFile) (info *api.NewFile, err error) {
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/drive/v1/files",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// getFile gets api.File from API for the ID passed
-// and returns rich information containing additional fields below
-// * web_content_link
-// * thumbnail_link
-// * links
-// * medias
-func (f *Fs) getFile(ctx context.Context, ID string) (info *api.File, err error) {
-	opts := rest.Opts{
-		Method: "GET",
-		Path:   "/drive/v1/files/" + ID,
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
-		if err == nil && info.Phase != api.PhaseTypeComplete {
-			// could be pending right after file is created/uploaded.
-			return true, errors.New("not PHASE_TYPE_COMPLETE")
-		}
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// patchFile updates attributes of the file by ID
-//
-// currently known patchable fields are
-// * name
-func (f *Fs) patchFile(ctx context.Context, ID string, req *api.File) (info *api.File, err error) {
-	opts := rest.Opts{
-		Method: "PATCH",
-		Path:   "/drive/v1/files/" + ID,
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// getAbout gets drive#quota information from server
-func (f *Fs) getAbout(ctx context.Context) (info *api.About, err error) {
-	opts := rest.Opts{
-		Method: "GET",
-		Path:   "/drive/v1/about",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, nil, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// requestShare returns information about ssharable links
-func (f *Fs) requestShare(ctx context.Context, req *api.RequestShare) (info *api.Share, err error) {
-	opts := rest.Opts{
-		Method: "POST",
-		Path:   "/drive/v1/share",
-	}
-	var resp *http.Response
-	err = f.pacer.Call(func() (bool, error) {
-		resp, err = f.rst.CallJSON(ctx, &opts, &req, &info)
-		return f.shouldRetry(ctx, resp, err)
-	})
-	return
-}
-
-// Read the sha1 of in returning a reader which will read the same contents
-//
-// The cleanup function should be called when out is finished with
-// regardless of whether this function returned an error or not.
-func readSHA1(in io.Reader, size, threshold int64) (sha1sum string, out io.Reader, cleanup func(), err error) {
-	// we need an SHA1
-	hash := sha1.New()
-	// use the teeReader to write to the local file AND calculate the SHA1 while doing so
-	teeReader := io.TeeReader(in, hash)
-
-	// nothing to clean up by default
-	cleanup = func() {}
-
-	// don't cache small files on disk to reduce wear of the disk
-	if size > threshold {
-		var tempFile *os.File
-
-		// create the cache file
-		tempFile, err = os.CreateTemp("", cachePrefix)
-		if err != nil {
-			return
-		}
-
-		_ = os.Remove(tempFile.Name()) // Delete the file - may not work on Windows
-
-		// clean up the file after we are done downloading
-		cleanup = func() {
-			// the file should normally already be close, but just to make sure
-			_ = tempFile.Close()
-			_ = os.Remove(tempFile.Name()) // delete the cache file after we are done - may be deleted already
-		}
-
-		// copy the ENTIRE file to disc and calculate the SHA1 in the process
-		if _, err = io.Copy(tempFile, teeReader); err != nil {
-			return
-		}
-		// jump to the start of the local file so we can pass it along
-		if _, err = tempFile.Seek(0, 0); err != nil {
-			return
-		}
-
-		// replace the already read source with a reader of our cached file
-		out = tempFile
-	} else {
-		// that's a small file, just read it into memory
-		var inData []byte
-		inData, err = io.ReadAll(teeReader)
-		if err != nil {
-			return
-		}
-
-		// set the reader to our read memory block
-		out = bytes.NewReader(inData)
-	}
-	return hex.EncodeToString(hash.Sum(nil)), out, cleanup, nil
-}
--- a/backend/pikpak/pikpak.go
+++ b/backend/pikpak/pikpak.go
--- a/backend/pikpak/pikpak_test.go
+++ b/backend/pikpak/pikpak_test.go
@@ -1,17 +0,0 @@
-// Test PikPak filesystem interface
-package pikpak_test
-
-import (
-	"testing"
-
-	"github.com/rclone/rclone/backend/pikpak"
-	"github.com/rclone/rclone/fstest/fstests"
-)
-
-// TestIntegration runs integration tests against the remote
-func TestIntegration(t *testing.T) {
-	fstests.Run(t, &fstests.Opt{
-		RemoteName: "TestPikPak:",
-		NilObject:  (*pikpak.Object)(nil),
-	})
-}
--- a/backend/premiumizeme/premiumizeme.go
+++ b/backend/premiumizeme/premiumizeme.go
@@ -82,15 +82,14 @@ func init() {
 				OAuth2Config: oauthConfig,
 			})
 		},
-		Options: append(oauthutil.SharedOptions, []fs.Option{{
+		Options: []fs.Option{{
 			Name: "api_key",
 			Help: `API Key.

 This is not normally used - use oauth instead.
 `,
-			Hide:      fs.OptionHideBoth,
-			Default:   "",
-			Sensitive: true,
+			Hide:    fs.OptionHideBoth,
+			Default: "",
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -100,7 +99,7 @@ This is not normally used - use oauth instead.
 				encoder.EncodeBackSlash |
 				encoder.EncodeDoubleQuote |
 				encoder.EncodeInvalidUtf8),
-		}}...),
+		}},
 	})
 }

--- a/Show More
+++ b/Show More