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
2026-01-23 04:43:21 +00:00 · 2022-11-15 12:39:17 +00:00
558 changed files with 13932 additions and 42751 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: '1.21.0-rc.3'
+            go: '1.19'
            gotags: cmount
            build_flags: '-include "^linux/"'
            check: true
@@ -43,14 +41,14 @@ jobs:

          - job_name: linux_386
            os: ubuntu-latest
-            go: '1.21.0-rc.3'
+            go: '1.19'
            goarch: 386
            gotags: cmount
            quicktest: true

          - job_name: mac_amd64
            os: macos-11
-            go: '1.21.0-rc.3'
+            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: '1.21.0-rc.3'
+            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: '1.21.0-rc.3'
+            go: '1.19'
            gotags: cmount
            cgo: '0'
            build_flags: '-include "^windows/"'
@@ -76,20 +74,20 @@ jobs:

          - job_name: other_os
            os: ubuntu-latest
-            go: '1.21.0-rc.3'
+            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

@@ -104,7 +102,7 @@ jobs:
          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'
@@ -222,10 +215,10 @@ 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
@@ -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: '1.21.0-rc.3'
+          go-version: 1.19
          check-latest: true

      - name: Install govulncheck
@@ -254,7 +247,7 @@ 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
@@ -267,9 +260,9 @@ jobs:

      # Upgrade together with NDK version
      - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
-          go-version: '1.21.0-rc.3'
+          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@v3
-              with:
-                fetch-depth: 0
-            - name: Login to Docker Hub
-              uses: docker/login-action@v2
-              with:
-                username: ${{ secrets.DOCKERHUB_USERNAME }}
-                password: ${{ secrets.DOCKERHUB_TOKEN }}
-            - name: Extract metadata (tags, labels) for Docker
-              id: meta
-              uses: docker/metadata-action@v4
-              with:
-                images: ghcr.io/${{ github.repository }}
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v2
-            - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v2
-            - name: Login to GitHub Container Registry
-              uses: docker/login-action@v2
-              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@v4
-              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: ${{ secrets.DOCKER_HUB_PASSWORD }}
--- a/.github/workflows/winget.yml
+++ b/.github/workflows/winget.yml
@@ -1,14 +0,0 @@
-name: Publish to Winget
-on:
-  release:
-    types: [released]
-
-jobs:
-  publish:
-    runs-on: windows-latest # Action can only run on Windows
-    steps:
-      - uses: vedantmgoyal2009/winget-releaser@v2
-        with:
-          identifier: Rclone.Rclone
-          installers-regex: '-windows-\w+\.zip$'
-          token: ${{ secrets.WINGET_TOKEN }}
--- 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
@@ -27,30 +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'
-
 run:
  # timeout for analysis, e.g. 30s, 5m, default is 1m
  timeout: 10m
-
-linters-settings:
-  revive:
-    rules:
-      - name: unreachable-code
-        disabled: true
-      - name: unused-parameter
-        disabled: true
-      - name: empty-block
-        disabled: true
-      - name: redefines-builtin-id
-        disabled: true
-      - name: superfluous-else
-        disabled: true
-  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
--- 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
@@ -16,9 +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         |

 **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/5
+++ b/5
@@ -81,9 +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 -------------------------------"
@@ -96,7 +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/)
@@ -51,8 +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)
  * 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/)
@@ -62,15 +59,12 @@ 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/)
  * QingStor [:page_facing_up:](https://rclone.org/qingstor/)
@@ -85,7 +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
--- a/2
+++ b/2
@@ -1 +1 @@
-v1.64.0
+v1.61.0
--- a/backend/all/all.go
+++ b/backend/all/all.go
@@ -36,9 +36,7 @@ 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/s3"
--- a/backend/azureblob/azureblob.go
+++ b/backend/azureblob/azureblob.go
--- 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/b2.go
+++ b/backend/b2/b2.go
@@ -75,15 +75,13 @@ func init() {
 		Description: "Backblaze B2",
 		NewFs:       NewFs,
 		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.",
@@ -1223,7 +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)
@@ -1237,7 +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" {
--- a/backend/b2/upload.go
+++ b/backend/b2/upload.go
@@ -14,7 +14,6 @@ import (
 	"io"
 	"strings"
 	"sync"
-	"time"

 	"github.com/rclone/rclone/backend/b2/api"
 	"github.com/rclone/rclone/fs"
@@ -22,7 +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"
 )
@@ -430,47 +428,18 @@ 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
-		uploadPool *pool.Pool
-		ci         = fs.GetConfig(ctx)
+		g, gCtx   = errgroup.WithContext(ctx)
+		remaining = up.size
 	)
-	// If using large chunk size then make a temporary pool
-	if up.chunkSize <= int64(up.f.opt.ChunkSize) {
-		uploadPool = up.f.pool
-	} else {
-		uploadPool = pool.New(
-			time.Duration(up.f.opt.MemoryPoolFlushTime),
-			int(up.chunkSize),
-			ci.Transfers,
-			up.f.opt.MemoryPoolUseMmap,
-		)
-		defer uploadPool.Flush()
-	}
-	// Get an upload token and a buffer
-	getBuf := func() (buf []byte) {
-		up.f.getBuf(true)
-		if !up.doCopy {
-			buf = uploadPool.Get()
-		}
-		return buf
-	}
-	// Put an upload token and a buffer
-	putBuf := func(buf []byte) {
-		if !up.doCopy {
-			uploadPool.Put(buf)
-		}
-		up.f.putBuf(nil, true)
-	}
 	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 := getBuf()
+			buf := up.f.getBuf(up.doCopy)

 			// 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 {
-				putBuf(buf)
+				up.f.putBuf(buf, up.doCopy)
 				return nil
 			}

@@ -484,14 +453,14 @@ func (up *largeUpload) Upload(ctx context.Context) (err error) {
 				buf = buf[:reqSize]
 				_, err = io.ReadFull(up.in, buf)
 				if err != nil {
-					putBuf(buf)
+					up.f.putBuf(buf, up.doCopy)
 					return err
 				}
 			}

 			part := part // for the closure
 			g.Go(func() (err error) {
-				defer putBuf(buf)
+				defer up.f.putBuf(buf, up.doCopy)
 				if !up.doCopy {
 					err = up.transferChunk(gCtx, part, buf)
 				} else {
--- 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",
@@ -185,7 +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
 }

@@ -201,31 +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
 }

--- 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_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/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)
-}
-
-// Put 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"}
-	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
--- 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/drive/drive.go
+++ b/backend/drive/drive.go
@@ -18,6 +18,7 @@ import (
 	"net/http"
 	"os"
 	"path"
+	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -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,
@@ -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
@@ -596,8 +587,7 @@ 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 no needed.
 `,
-			Advanced:  true,
-			Sensitive: true,
+			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -605,18 +595,6 @@ resource key is no needed.
 			// 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).",
-			}},
 		}}...),
 	})

@@ -673,7 +651,6 @@ type Options struct {
 	SkipDanglingShortcuts     bool                 `config:"skip_dangling_shortcuts"`
 	ResourceKey               string               `config:"resource_key"`
 	Enc                       encoder.MultiEncoder `config:"encoding"`
-	EnvAuth                   bool                 `config:"env_auth"`
 }

 // Fs represents a remote drive server
@@ -781,7 +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" {
@@ -1142,12 +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 {
@@ -1519,9 +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
@@ -2909,7 +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)
 		})
@@ -3356,9 +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:

@@ -3388,7 +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",
@@ -3464,12 +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
@@ -3891,7 +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
@@ -13,6 +13,7 @@ import (
 	"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"
@@ -139,12 +140,55 @@ func (b *batcher) finishBatch(ctx context.Context, items []*files.UploadSessionF
 	return complete, nil
 }

+// 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 {
+		if err != nil && signalled {
 			// Signal to clients that there was an error
 			for _, result := range results {
 				result <- batcherResponse{err: err}
--- a/backend/dropbox/dropbox.go
+++ b/backend/dropbox/dropbox.go
@@ -58,7 +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.
@@ -182,9 +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.
@@ -261,8 +260,8 @@ 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 10s
- batch_mode: sync - default batch_timeout is 500ms
+- 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),
@@ -272,11 +271,6 @@ default based on the batch_mode in use.
 			Help:     `Max time to wait for a batch to finish committing`,
 			Default:  fs.Duration(10 * time.Minute),
 			Advanced: true,
-		}, {
-			Name:     "pacer_min_sleep",
-			Default:  defaultMinSleep,
-			Help:     "Minimum time to sleep between API calls.",
-			Advanced: true,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -305,7 +299,6 @@ type Options struct {
 	BatchTimeout       fs.Duration          `config:"batch_timeout"`
 	BatchCommitTimeout fs.Duration          `config:"batch_commit_timeout"`
 	AsyncBatch         bool                 `config:"async_batch"`
-	PacerMinSleep      fs.Duration          `config:"pacer_min_sleep"`
 	Enc                encoder.MultiEncoder `config:"encoding"`
 }

@@ -449,7 +442,7 @@ 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))),
 	}
 	f.batcher, err = newBatcher(ctx, f, f.opt.BatchMode, f.opt.BatchSize, time.Duration(f.opt.BatchTimeout))
 	if err != nil {
@@ -543,7 +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
@@ -726,7 +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
@@ -913,7 +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)
@@ -1085,6 +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)
 	}

@@ -1146,6 +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)
 	}

@@ -1264,6 +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)
 	}

--- a/backend/fichier/api.go
+++ b/backend/fichier/api.go
@@ -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.
--- a/backend/ftp/ftp.go
+++ b/backend/ftp/ftp.go
@@ -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
@@ -331,33 +315,18 @@ 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
 }
@@ -373,12 +342,7 @@ 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
 		}
@@ -499,7 +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)
@@ -601,7 +566,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (ff fs.Fs
 	}
 	f.features = (&fs.Features{
 		CanHaveEmptyDirectories: true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	// set the pool drainer timer going
 	if f.opt.IdleTimeout > 0 {
@@ -649,7 +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
@@ -660,7 +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
@@ -691,7 +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: "",
@@ -699,38 +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 {
@@ -749,7 +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
 	}
@@ -771,7 +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)
 	}
@@ -915,18 +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
 }
@@ -957,7 +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
@@ -1126,7 +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)
@@ -1198,7 +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
@@ -1224,26 +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
 }
@@ -1276,10 +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_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/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/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/jottacloud.go
+++ b/backend/jottacloud/jottacloud.go
@@ -74,10 +74,6 @@ const (
 	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
@@ -88,7 +84,7 @@ func init() {
 		Description: "Jottacloud",
 		NewFs:       NewFs,
 		Config:      Config,
-		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),
@@ -123,7 +119,7 @@ func init() {
 			Default: (encoder.Display |
 				encoder.EncodeWin | // :?"*<>|
 				encoder.EncodeInvalidUtf8),
-		}}...),
+		}},
 	})
 }

@@ -143,9 +139,6 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 		}, {
 			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
@@ -268,21 +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
@@ -1860,12 +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
 		}
 	}
@@ -1952,7 +1930,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 		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 need to update our metadata
+		// 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)
 	}

@@ -1973,17 +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
--- 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
@@ -266,10 +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) {
@@ -303,7 +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
@@ -314,16 +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
@@ -516,7 +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
@@ -537,10 +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))
@@ -553,6 +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.
@@ -565,11 +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
--- 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/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"`
 }

@@ -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
@@ -126,7 +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.
--- 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,
 		}, {
@@ -576,7 +511,7 @@ Example: "https://contoso.sharepoint.com/sites/mysite" or "mysite"
 `)
 	case "url_end":
 		siteURL := config.Result
-		re := regexp.MustCompile(`https://.*\.sharepoint\.com/sites/(.*)`)
+		re := regexp.MustCompile(`https://.*\.sharepoint.com/sites/(.*)`)
 		match := re.FindStringSubmatch(siteURL)
 		if len(match) == 2 {
 			return chooseDrive(ctx, name, m, srv, chooseDriveOpt{
@@ -662,8 +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"`
 }

@@ -680,7 +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
@@ -694,7 +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)
 }

@@ -949,7 +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,
@@ -959,15 +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 {
@@ -1633,7 +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.
@@ -1748,10 +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 {
@@ -1846,8 +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
 }
@@ -1878,23 +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()
@@ -1990,20 +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
 	}

--- 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.",
--- a/backend/oracleobjectstorage/byok.go
+++ b/backend/oracleobjectstorage/byok.go
@@ -1,145 +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"
-	"github.com/oracle/oci-go-sdk/v65/objectstorage/transfer"
-)
-
-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)
-	}
-}
-
-func useBYOKUpload(fs *Fs, request *transfer.UploadRequest) {
-	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
@@ -65,8 +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
--- 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/object.go
+++ b/backend/oracleobjectstorage/object.go
@@ -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
@@ -435,7 +433,6 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 			uploadRequest.StorageTier = storageTier
 		}
 		o.applyMultiPutOptions(&uploadRequest, options...)
-		useBYOKUpload(o.fs, &uploadRequest)
 		uploadStreamRequest := transfer.UploadStreamRequest{
 			UploadRequest: uploadRequest,
 			StreamReader:  in,
@@ -509,10 +506,8 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 			req.StorageTier = storageTier
 		}
 		o.applyPutOptions(&req, options...)
-		useBYOKPutObject(o.fs, &req)
-		var resp objectstorage.PutObjectResponse
 		err = o.fs.pacer.Call(func() (bool, error) {
-			resp, err = o.fs.srv.PutObject(ctx, req)
+			resp, err := o.fs.srv.PutObject(ctx, req)
 			return shouldRetry(ctx, resp.HTTPResponse(), err)
 		})
 		if err != nil {
--- a/backend/oracleobjectstorage/options.go
+++ b/backend/oracleobjectstorage/options.go
@@ -17,7 +17,9 @@ const (
 	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)
 )

@@ -45,28 +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"`
-	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"`
-	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 {
@@ -92,16 +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",
@@ -128,22 +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.
@@ -259,59 +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{
@@ -589,7 +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.")
--- 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/backend/protondrive/protondrive.go
+++ b/backend/protondrive/protondrive.go
--- a/backend/protondrive/protondrive_test.go
+++ b/backend/protondrive/protondrive_test.go
@@ -1,16 +0,0 @@
-package protondrive_test
-
-import (
-	"testing"
-
-	"github.com/rclone/rclone/backend/protondrive"
-	"github.com/rclone/rclone/fstest/fstests"
-)
-
-// TestIntegration runs integration tests against the remote
-func TestIntegration(t *testing.T) {
-	fstests.Run(t, &fstests.Opt{
-		RemoteName: "TestProtonDrive:",
-		NilObject:  (*protondrive.Object)(nil),
-	})
-}
--- a/backend/putio/fs.go
+++ b/backend/putio/fs.go
@@ -23,7 +23,6 @@ import (
 	"github.com/rclone/rclone/lib/dircache"
 	"github.com/rclone/rclone/lib/oauthutil"
 	"github.com/rclone/rclone/lib/pacer"
-	"github.com/rclone/rclone/lib/random"
 	"github.com/rclone/rclone/lib/readers"
 )

@@ -253,12 +252,9 @@ func (f *Fs) Put(ctx context.Context, in io.Reader, src fs.ObjectInfo, options .
 // This will create a duplicate if we upload a new file without
 // checking to see if there is one already - use Put() for that.
 func (f *Fs) PutUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (o fs.Object, err error) {
-	return f.putUnchecked(ctx, in, src, src.Remote(), options...)
-}
-
-func (f *Fs) putUnchecked(ctx context.Context, in io.Reader, src fs.ObjectInfo, remote string, options ...fs.OpenOption) (o fs.Object, err error) {
 	// defer log.Trace(f, "src=%+v", src)("o=%+v, err=%v", &o, &err)
 	size := src.Size()
+	remote := src.Remote()
 	leaf, directoryID, err := f.dirCache.FindPath(ctx, remote, true)
 	if err != nil {
 		return nil, err
@@ -544,59 +540,24 @@ func (f *Fs) Copy(ctx context.Context, src fs.Object, remote string) (o fs.Objec
 	if err != nil {
 		return nil, err
 	}
-	modTime := src.ModTime(ctx)
-	var resp struct {
-		File putio.File `json:"file"`
-	}
-	// For some unknown reason the API sometimes returns the name
-	// already exists unless we upload to a temporary name and
-	// rename
-	//
-	// {"error_id":null,"error_message":"Name already exist","error_type":"NAME_ALREADY_EXIST","error_uri":"http://api.put.io/v2/docs","extra":{},"status":"ERROR","status_code":400}
-	suffix := "." + random.String(8)
 	err = f.pacer.Call(func() (bool, error) {
 		params := url.Values{}
 		params.Set("file_id", strconv.FormatInt(srcObj.file.ID, 10))
 		params.Set("parent_id", directoryID)
-		params.Set("name", f.opt.Enc.FromStandardName(leaf+suffix))
-
+		params.Set("name", f.opt.Enc.FromStandardName(leaf))
 		req, err := f.client.NewRequest(ctx, "POST", "/v2/files/copy", strings.NewReader(params.Encode()))
 		if err != nil {
 			return false, err
 		}
 		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
 		// fs.Debugf(f, "copying file (%d) to parent_id: %s", srcObj.file.ID, directoryID)
-		_, err = f.client.Do(req, &resp)
+		_, err = f.client.Do(req, nil)
 		return shouldRetry(ctx, err)
 	})
 	if err != nil {
 		return nil, err
 	}
-	err = f.pacer.Call(func() (bool, error) {
-		params := url.Values{}
-		params.Set("file_id", strconv.FormatInt(resp.File.ID, 10))
-		params.Set("name", f.opt.Enc.FromStandardName(leaf))
-
-		req, err := f.client.NewRequest(ctx, "POST", "/v2/files/rename", strings.NewReader(params.Encode()))
-		if err != nil {
-			return false, err
-		}
-		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-		_, err = f.client.Do(req, &resp)
-		return shouldRetry(ctx, err)
-	})
-	if err != nil {
-		return nil, err
-	}
-	o, err = f.newObjectWithInfo(ctx, remote, resp.File)
-	if err != nil {
-		return nil, err
-	}
-	err = o.SetModTime(ctx, modTime)
-	if err != nil {
-		return nil, err
-	}
-	return o, nil
+	return f.NewObject(ctx, remote)
 }

 // Move src to this remote using server-side move operations.
@@ -618,7 +579,6 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (o fs.Objec
 	if err != nil {
 		return nil, err
 	}
-	modTime := src.ModTime(ctx)
 	err = f.pacer.Call(func() (bool, error) {
 		params := url.Values{}
 		params.Set("file_id", strconv.FormatInt(srcObj.file.ID, 10))
@@ -636,15 +596,7 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (o fs.Objec
 	if err != nil {
 		return nil, err
 	}
-	o, err = f.NewObject(ctx, remote)
-	if err != nil {
-		return nil, err
-	}
-	err = o.SetModTime(ctx, modTime)
-	if err != nil {
-		return nil, err
-	}
-	return o, nil
+	return f.NewObject(ctx, remote)
 }

 // DirMove moves src, srcRemote to this remote at dstRemote
--- a/backend/putio/object.go
+++ b/backend/putio/object.go
@@ -275,7 +275,7 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return err
 	}
-	newObj, err := o.fs.putUnchecked(ctx, in, src, o.remote, options...)
+	newObj, err := o.fs.PutUnchecked(ctx, in, src, options...)
 	if err != nil {
 		return err
 	}
--- a/backend/putio/putio.go
+++ b/backend/putio/putio.go
@@ -67,7 +67,7 @@ func init() {
 				NoOffline:    true,
 			})
 		},
-		Options: append(oauthutil.SharedOptions, []fs.Option{{
+		Options: []fs.Option{{
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
 			Advanced: true,
@@ -77,7 +77,7 @@ func init() {
 			Default: (encoder.Display |
 				encoder.EncodeBackSlash |
 				encoder.EncodeInvalidUtf8),
-		}}...),
+		}},
 	})
 }

--- a/backend/qingstor/qingstor.go
+++ b/backend/qingstor/qingstor.go
@@ -49,13 +49,11 @@ func init() {
 				Help:  "Get QingStor credentials from the environment (env vars or IAM).",
 			}},
 		}, {
-			Name:      "access_key_id",
-			Help:      "QingStor Access Key ID.\n\nLeave blank for anonymous access or runtime credentials.",
-			Sensitive: true,
+			Name: "access_key_id",
+			Help: "QingStor Access Key ID.\n\nLeave blank for anonymous access or runtime credentials.",
 		}, {
-			Name:      "secret_access_key",
-			Help:      "QingStor Secret Access Key (password).\n\nLeave blank for anonymous access or runtime credentials.",
-			Sensitive: true,
+			Name: "secret_access_key",
+			Help: "QingStor Secret Access Key (password).\n\nLeave blank for anonymous access or runtime credentials.",
 		}, {
 			Name: "endpoint",
 			Help: "Enter an endpoint URL to connection QingStor API.\n\nLeave blank will use the default value \"https://qingstor.com:443\".",
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
--- a/backend/s3/s3_internal_test.go
+++ b/backend/s3/s3_internal_test.go
@@ -6,19 +6,15 @@ import (
 	"context"
 	"crypto/md5"
 	"fmt"
-	"path"
-	"strings"
 	"testing"
 	"time"

 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fs/cache"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
-	"github.com/rclone/rclone/lib/bucket"
 	"github.com/rclone/rclone/lib/random"
 	"github.com/rclone/rclone/lib/version"
 	"github.com/stretchr/testify/assert"
@@ -254,8 +250,7 @@ func (f *Fs) InternalTestVersions(t *testing.T) {
 	time.Sleep(2 * time.Second)

 	// Create an object
-	const dirName = "versions"
-	const fileName = dirName + "/" + "test-versions.txt"
+	const fileName = "test-versions.txt"
 	contents := random.String(100)
 	item := fstest.NewItem(fileName, contents, fstest.Time("2001-05-06T04:05:06.499999999Z"))
 	obj := fstests.PutTestContents(ctx, t, f, &item, contents, true)
@@ -285,12 +280,11 @@ func (f *Fs) InternalTestVersions(t *testing.T) {
 		}()

 		// Read the contents
-		entries, err := f.List(ctx, dirName)
+		entries, err := f.List(ctx, "")
 		require.NoError(t, err)
 		tests := 0
 		var fileNameVersion string
 		for _, entry := range entries {
-			t.Log(entry)
 			remote := entry.Remote()
 			if remote == fileName {
 				t.Run("ReadCurrent", func(t *testing.T) {
@@ -315,23 +309,6 @@ func (f *Fs) InternalTestVersions(t *testing.T) {
 			require.NotNil(t, o)
 			assert.Equal(t, int64(100), o.Size(), o.Remote())
 		})
-
-		// Check we can make a NewFs from that object with a version suffix
-		t.Run("NewFs", func(t *testing.T) {
-			newPath := bucket.Join(fs.ConfigStringFull(f), fileNameVersion)
-			// Make sure --s3-versions is set in the config of the new remote
-			fs.Debugf(nil, "oldPath = %q", newPath)
-			lastColon := strings.LastIndex(newPath, ":")
-			require.True(t, lastColon >= 0)
-			newPath = newPath[:lastColon] + ",versions" + newPath[lastColon:]
-			fs.Debugf(nil, "newPath = %q", newPath)
-			fNew, err := cache.Get(ctx, newPath)
-			// This should return pointing to a file
-			require.Equal(t, fs.ErrorIsFile, err)
-			require.NotNil(t, fNew)
-			// With the directory the directory above
-			assert.Equal(t, dirName, path.Base(fs.ConfigStringFull(fNew)))
-		})
 	})

 	t.Run("VersionAt", func(t *testing.T) {
--- a/backend/s3/s3_test.go
+++ b/backend/s3/s3_test.go
@@ -5,7 +5,6 @@ import (
 	"testing"

 	"github.com/rclone/rclone/fs"
-	"github.com/rclone/rclone/fstest"
 	"github.com/rclone/rclone/fstest/fstests"
 )

@@ -21,24 +20,6 @@ func TestIntegration(t *testing.T) {
 	})
 }

-func TestIntegration2(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("skipping as -remote is set")
-	}
-	name := "TestS3"
-	fstests.Run(t, &fstests.Opt{
-		RemoteName:  name + ":",
-		NilObject:   (*Object)(nil),
-		TiersToTest: []string{"STANDARD", "STANDARD_IA"},
-		ChunkedUpload: fstests.ChunkedUploadConfig{
-			MinChunkSize: minChunkSize,
-		},
-		ExtraConfig: []fstests.ExtraConfigItem{
-			{Name: name, Key: "directory_markers", Value: "true"},
-		},
-	})
-}
-
 func (f *Fs) SetUploadChunkSize(cs fs.SizeSuffix) (fs.SizeSuffix, error) {
 	return f.setUploadChunkSize(cs)
 }
--- a/backend/s3/v2sign.go
+++ b/backend/s3/v2sign.go
@@ -14,7 +14,6 @@ import (

 // URL parameters that need to be added to the signature
 var s3ParamsToSign = map[string]struct{}{
-	"delete":                       {},
 	"acl":                          {},
 	"location":                     {},
 	"logging":                      {},
--- a/backend/seafile/renew.go
+++ b/backend/seafile/renew.go
@@ -1,54 +0,0 @@
-package seafile
-
-import (
-	"sync"
-	"time"
-
-	"github.com/rclone/rclone/fs"
-)
-
-// Renew allows tokens to be renewed on expiry.
-type Renew struct {
-	ts       *time.Ticker     // timer indicating when it's time to renew the token
-	run      func() error     // the callback to do the renewal
-	done     chan interface{} // channel to end the go routine
-	shutdown *sync.Once
-}
-
-// NewRenew creates a new Renew struct and starts a background process
-// which renews the token whenever it expires.  It uses the run() call
-// to do the renewal.
-func NewRenew(every time.Duration, run func() error) *Renew {
-	r := &Renew{
-		ts:       time.NewTicker(every),
-		run:      run,
-		done:     make(chan interface{}),
-		shutdown: &sync.Once{},
-	}
-	go r.renewOnExpiry()
-	return r
-}
-
-func (r *Renew) renewOnExpiry() {
-	for {
-		select {
-		case <-r.ts.C:
-			err := r.run()
-			if err != nil {
-				fs.Errorf(nil, "error while refreshing decryption token: %s", err)
-			}
-
-		case <-r.done:
-			return
-		}
-	}
-}
-
-// Shutdown stops the ticker and no more renewal will take place.
-func (r *Renew) Shutdown() {
-	// closing a channel can only be done once
-	r.shutdown.Do(func() {
-		r.ts.Stop()
-		close(r.done)
-	})
-}
--- a/backend/seafile/renew_test.go
+++ b/backend/seafile/renew_test.go
@@ -1,34 +0,0 @@
-package seafile
-
-import (
-	"sync/atomic"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestShouldAllowShutdownTwice(t *testing.T) {
-	renew := NewRenew(time.Hour, func() error {
-		return nil
-	})
-	renew.Shutdown()
-	renew.Shutdown()
-}
-
-func TestRenewalInTimeLimit(t *testing.T) {
-	var count int64
-
-	renew := NewRenew(100*time.Millisecond, func() error {
-		atomic.AddInt64(&count, 1)
-		return nil
-	})
-	time.Sleep(time.Second)
-	renew.Shutdown()
-
-	// there's no guarantee the CI agent can handle a simple goroutine
-	renewCount := atomic.LoadInt64(&count)
-	t.Logf("renew count = %d", renewCount)
-	assert.Greater(t, renewCount, int64(0))
-	assert.Less(t, renewCount, int64(11))
-}
--- a/backend/seafile/seafile.go
+++ b/backend/seafile/seafile.go
@@ -67,18 +67,15 @@ func init() {
 				Value: "https://cloud.seafile.com/",
 				Help:  "Connect to cloud.seafile.com.",
 			}},
-			Sensitive: true,
 		}, {
-			Name:      configUser,
-			Help:      "User name (usually email address).",
-			Required:  true,
-			Sensitive: true,
+			Name:     configUser,
+			Help:     "User name (usually email address).",
+			Required: true,
 		}, {
 			// Password is not required, it will be left blank for 2FA
 			Name:       configPassword,
 			Help:       "Password.",
 			IsPassword: true,
-			Sensitive:  true,
 		}, {
 			Name:    config2FA,
 			Help:    "Two-factor authentication ('true' if the account has 2FA enabled).",
@@ -90,7 +87,6 @@ func init() {
 			Name:       configLibraryKey,
 			Help:       "Library password (for encrypted libraries only).\n\nLeave blank if you pass it through the command line.",
 			IsPassword: true,
-			Sensitive:  true,
 		}, {
 			Name:     configCreateLibrary,
 			Help:     "Should rclone create a library if it doesn't exist.",
@@ -98,10 +94,9 @@ func init() {
 			Default:  false,
 		}, {
 			// Keep the authentication token after entering the 2FA code
-			Name:      configAuthToken,
-			Help:      "Authentication token.",
-			Hide:      fs.OptionHideBoth,
-			Sensitive: true,
+			Name: configAuthToken,
+			Help: "Authentication token.",
+			Hide: fs.OptionHideBoth,
 		}, {
 			Name:     config.ConfigEncoding,
 			Help:     config.ConfigEncodingHelp,
@@ -148,7 +143,6 @@ type Fs struct {
 	createDirMutex      sync.Mutex   // Protect creation of directories
 	useOldDirectoryAPI  bool         // Use the old API v2 if seafile < 7
 	moveDirNotAvailable bool         // Version < 7.0 don't have an API to move a directory
-	renew               *Renew       // Renew an encrypted library token
 }

 // ------------------------------------------------------------
@@ -274,11 +268,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			}
 			// And remove the public link feature
 			f.features.PublicLink = nil
-
-			// renew the library password every 45 minutes
-			f.renew = NewRenew(45*time.Minute, func() error {
-				return f.authorizeLibrary(context.Background(), libraryID)
-			})
 		}
 	} else {
 		// Deactivate the cleaner feature since there's no library selected
@@ -394,15 +383,6 @@ func Config(ctx context.Context, name string, m configmap.Mapper, config fs.Conf
 	return nil, fmt.Errorf("unknown state %q", config.State)
 }

-// Shutdown the Fs
-func (f *Fs) Shutdown(ctx context.Context) error {
-	if f.renew == nil {
-		return nil
-	}
-	f.renew.Shutdown()
-	return nil
-}
-
 // sets the AuthorizationToken up
 func (f *Fs) setAuthorizationToken(token string) {
 	f.srv.SetHeader("Authorization", "Token "+token)
@@ -1351,7 +1331,6 @@ var (
 	_ fs.PutStreamer  = &Fs{}
 	_ fs.PublicLinker = &Fs{}
 	_ fs.UserInfoer   = &Fs{}
-	_ fs.Shutdowner   = &Fs{}
 	_ fs.Object       = &Object{}
 	_ fs.IDer         = &Object{}
 )
--- a/backend/seafile/webapi.go
+++ b/backend/seafile/webapi.go
@@ -953,9 +953,11 @@ func (f *Fs) emptyLibraryTrash(ctx context.Context, libraryID string) error {
 	return nil
 }

+// === API v2 from the official documentation, but that have been replaced by the much better v2.1 (undocumented as of Apr 2020)
+// === getDirectoryEntriesAPIv2 is needed to keep compatibility with seafile v6,
+// === the others can probably be removed after the API v2.1 is documented
+
 func (f *Fs) getDirectoryEntriesAPIv2(ctx context.Context, libraryID, dirPath string) ([]api.DirEntry, error) {
-	// API v2 from the official documentation, but that have been replaced by the much better v2.1 (undocumented as of Apr 2020)
-	// getDirectoryEntriesAPIv2 is needed to keep compatibility with seafile v6.
 	// API Documentation
 	// https://download.seafile.com/published/web-api/v2.1/directories.md#user-content-List%20Items%20in%20Directory
 	if libraryID == "" {
@@ -999,3 +1001,95 @@ func (f *Fs) getDirectoryEntriesAPIv2(ctx context.Context, libraryID, dirPath st
 	}
 	return result, nil
 }
+
+func (f *Fs) copyFileAPIv2(ctx context.Context, srcLibraryID, srcPath, dstLibraryID, dstPath string) (*api.FileInfo, error) {
+	// API Documentation
+	// https://download.seafile.com/published/web-api/v2.1/file.md#user-content-Copy%20File
+	if srcLibraryID == "" || dstLibraryID == "" {
+		return nil, errors.New("libraryID and/or file path argument(s) missing")
+	}
+	srcPath = path.Join("/", srcPath)
+	dstPath = path.Join("/", dstPath)
+
+	// Older API does not seem to accept JSON input here either
+	postParameters := url.Values{
+		"operation": {"copy"},
+		"dst_repo":  {dstLibraryID},
+		"dst_dir":   {f.opt.Enc.FromStandardPath(dstPath)},
+	}
+	opts := rest.Opts{
+		Method:      "POST",
+		Path:        APIv20 + srcLibraryID + "/file/",
+		Parameters:  url.Values{"p": {f.opt.Enc.FromStandardPath(srcPath)}},
+		ContentType: "application/x-www-form-urlencoded",
+		Body:        bytes.NewBuffer([]byte(postParameters.Encode())),
+	}
+	result := &api.FileInfo{}
+	var resp *http.Response
+	var err error
+	err = f.pacer.Call(func() (bool, error) {
+		resp, err = f.srv.Call(ctx, &opts)
+		return f.shouldRetry(ctx, resp, err)
+	})
+	if err != nil {
+		if resp != nil {
+			if resp.StatusCode == 401 || resp.StatusCode == 403 {
+				return nil, fs.ErrorPermissionDenied
+			}
+		}
+		return nil, fmt.Errorf("failed to copy file %s:'%s' to %s:'%s': %w", srcLibraryID, srcPath, dstLibraryID, dstPath, err)
+	}
+	err = rest.DecodeJSON(resp, &result)
+	if err != nil {
+		return nil, err
+	}
+	return f.decodeFileInfo(result), nil
+}
+
+func (f *Fs) renameFileAPIv2(ctx context.Context, libraryID, filePath, newname string) error {
+	// API Documentation
+	// https://download.seafile.com/published/web-api/v2.1/file.md#user-content-Rename%20File
+	if libraryID == "" || newname == "" {
+		return errors.New("libraryID and/or file path argument(s) missing")
+	}
+	filePath = path.Join("/", filePath)
+
+	// No luck with JSON input with the older api2
+	postParameters := url.Values{
+		"operation": {"rename"},
+		"reloaddir": {"true"}, // This is an undocumented trick to avoid an http code 301 response (found in https://github.com/haiwen/seahub/blob/master/seahub/api2/views.py)
+		"newname":   {f.opt.Enc.FromStandardName(newname)},
+	}
+
+	opts := rest.Opts{
+		Method:      "POST",
+		Path:        APIv20 + libraryID + "/file/",
+		Parameters:  url.Values{"p": {f.opt.Enc.FromStandardPath(filePath)}},
+		ContentType: "application/x-www-form-urlencoded",
+		Body:        bytes.NewBuffer([]byte(postParameters.Encode())),
+		NoRedirect:  true,
+		NoResponse:  true,
+	}
+	var resp *http.Response
+	var err error
+	err = f.pacer.Call(func() (bool, error) {
+		resp, err = f.srv.Call(ctx, &opts)
+		return f.shouldRetry(ctx, resp, err)
+	})
+	if err != nil {
+		if resp != nil {
+			if resp.StatusCode == 301 {
+				// This is the normal response from the server
+				return nil
+			}
+			if resp.StatusCode == 401 || resp.StatusCode == 403 {
+				return fs.ErrorPermissionDenied
+			}
+			if resp.StatusCode == 404 {
+				return fs.ErrorObjectNotFound
+			}
+		}
+		return fmt.Errorf("failed to rename file: %w", err)
+	}
+	return nil
+}
--- a/backend/sftp/sftp.go
+++ b/backend/sftp/sftp.go
@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	iofs "io/fs"
 	"os"
 	"path"
 	"regexp"
@@ -27,6 +26,7 @@ import (
 	"github.com/rclone/rclone/fs/config/configmap"
 	"github.com/rclone/rclone/fs/config/configstruct"
 	"github.com/rclone/rclone/fs/config/obscure"
+	"github.com/rclone/rclone/fs/fshttp"
 	"github.com/rclone/rclone/fs/hash"
 	"github.com/rclone/rclone/lib/env"
 	"github.com/rclone/rclone/lib/pacer"
@@ -58,15 +58,13 @@ func init() {
 		Description: "SSH/SFTP",
 		NewFs:       NewFs,
 		Options: []fs.Option{{
-			Name:      "host",
-			Help:      "SSH host to connect to.\n\nE.g. \"example.com\".",
-			Required:  true,
-			Sensitive: true,
+			Name:     "host",
+			Help:     "SSH host to connect to.\n\nE.g. \"example.com\".",
+			Required: true,
 		}, {
-			Name:      "user",
-			Help:      "SSH username.",
-			Default:   currentUser,
-			Sensitive: true,
+			Name:    "user",
+			Help:    "SSH username.",
+			Default: currentUser,
 		}, {
 			Name:    "port",
 			Help:    "SSH port number.",
@@ -76,9 +74,8 @@ func init() {
 			Help:       "SSH password, leave blank to use ssh-agent.",
 			IsPassword: true,
 		}, {
-			Name:      "key_pem",
-			Help:      "Raw PEM-encoded private key.\n\nIf specified, will override key_file parameter.",
-			Sensitive: true,
+			Name: "key_pem",
+			Help: "Raw PEM-encoded private key.\n\nIf specified, will override key_file parameter.",
 		}, {
 			Name: "key_file",
 			Help: "Path to PEM-encoded private key file.\n\nLeave blank or set key-use-agent to use ssh-agent." + env.ShellExpandHelp,
@@ -89,7 +86,6 @@ func init() {
 Only PEM encrypted key files (old OpenSSH format) are supported. Encrypted keys
 in the new OpenSSH format can't be used.`,
 			IsPassword: true,
-			Sensitive:  true,
 		}, {
 			Name: "pubkey_file",
 			Help: `Optional path to public key file.
@@ -168,19 +164,7 @@ E.g. if shared folders can be found in directories representing volumes:

 E.g. if home directory can be found in a shared folder called "home":

-    rclone sync /home/local/directory remote:/home/directory --sftp-path-override /volume1/homes/USER/directory
-	
-To specify only the path to the SFTP remote's root, and allow rclone to add any relative subpaths automatically (including unwrapping/decrypting remotes as necessary), add the '@' character to the beginning of the path.
-
-E.g. the first example above could be rewritten as:
-
-	rclone sync /home/local/directory remote:/directory --sftp-path-override @/volume2
-	
-Note that when using this method with Synology "home" folders, the full "/homes/USER" path should be specified instead of "/home".
-
-E.g. the second example above should be rewritten as:
-
-	rclone sync /home/local/directory remote:/homes/USER/directory --sftp-path-override @/volume1`,
+    rclone sync /home/local/directory remote:/home/directory --sftp-path-override /volume1/homes/USER/directory`,
 			Advanced: true,
 		}, {
 			Name:     "set_modtime",
@@ -339,7 +323,7 @@ Pass multiple variables space separated, eg

    VAR1=value VAR2=value

-and pass variables with spaces in quotes, eg
+and pass variables with spaces in in quotes, eg

    "VAR3=value with space" "VAR4=value with space" VAR5=nospacehere

@@ -385,61 +369,6 @@ Example:
    umac-64-etm@openssh.com umac-128-etm@openssh.com hmac-sha2-256-etm@openssh.com
 `,
 			Advanced: true,
-		}, {
-			Name:    "host_key_algorithms",
-			Default: fs.SpaceSepList{},
-			Help: `Space separated list of host key algorithms, ordered by preference.
-
-At least one must match with server configuration. This can be checked for example using ssh -Q HostKeyAlgorithms.
-
-Note: This can affect the outcome of key negotiation with the server even if server host key validation is not enabled.
-
-Example:
-
-    ssh-ed25519 ssh-rsa ssh-dss
-`,
-			Advanced: true,
-		}, {
-			Name:    "ssh",
-			Default: fs.SpaceSepList{},
-			Help: `Path and arguments to external ssh binary.
-
-Normally rclone will use its internal ssh library to connect to the
-SFTP server. However it does not implement all possible ssh options so
-it may be desirable to use an external ssh binary.
-
-Rclone ignores all the internal config if you use this option and
-expects you to configure the ssh binary with the user/host/port and
-any other options you need.
-
-**Important** The ssh command must log in without asking for a
-password so needs to be configured with keys or certificates.
-
-Rclone will run the command supplied either with the additional
-arguments "-s sftp" to access the SFTP subsystem or with commands such
-as "md5sum /path/to/file" appended to read checksums.
-
-Any arguments with spaces in should be surrounded by "double quotes".
-
-An example setting might be:
-
-    ssh -o ServerAliveInterval=20 user@example.com
-
-Note that when using an external ssh binary rclone makes a new ssh
-connection for every hash it calculates.
-`,
-		}, {
-			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,
 		}},
 	}
 	fs.Register(fsi)
@@ -478,9 +407,6 @@ type Options struct {
 	Ciphers                 fs.SpaceSepList `config:"ciphers"`
 	KeyExchange             fs.SpaceSepList `config:"key_exchange"`
 	MACs                    fs.SpaceSepList `config:"macs"`
-	HostKeyAlgorithms       fs.SpaceSepList `config:"host_key_algorithms"`
-	SSH                     fs.SpaceSepList `config:"ssh"`
-	SocksProxy              string          `config:"socks_proxy"`
 }

 // Fs stores the interface to the remote SFTP files
@@ -517,16 +443,41 @@ type Object struct {
 	sha1sum *string     // Cached SHA1 checksum
 }

+// dial starts a client connection to the given SSH server. It is a
+// convenience function that connects to the given network address,
+// initiates the SSH handshake, and then sets up a Client.
+func (f *Fs) dial(ctx context.Context, network, addr string, sshConfig *ssh.ClientConfig) (*ssh.Client, error) {
+	dialer := fshttp.NewDialer(ctx)
+	conn, err := dialer.Dial(network, addr)
+	if err != nil {
+		return nil, err
+	}
+	c, chans, reqs, err := ssh.NewClientConn(conn, addr, sshConfig)
+	if err != nil {
+		return nil, err
+	}
+	fs.Debugf(f, "New connection %s->%s to %q", c.LocalAddr(), c.RemoteAddr(), c.ServerVersion())
+	return ssh.NewClient(c, chans, reqs), nil
+}
+
 // conn encapsulates an ssh client and corresponding sftp client
 type conn struct {
-	sshClient  sshClient
+	sshClient  *ssh.Client
 	sftpClient *sftp.Client
 	err        chan error
 }

 // Wait for connection to close
 func (c *conn) wait() {
-	c.err <- c.sshClient.Wait()
+	c.err <- c.sshClient.Conn.Wait()
+}
+
+// Send a keepalive over the ssh connection
+func (c *conn) sendKeepAlive() {
+	_, _, err := c.sshClient.SendRequest("keepalive@openssh.com", true, nil)
+	if err != nil {
+		fs.Debugf(nil, "Failed to send keep alive: %v", err)
+	}
 }

 // Send keepalives every interval over the ssh connection until done is closed
@@ -538,7 +489,7 @@ func (c *conn) sendKeepAlives(interval time.Duration) (done chan struct{}) {
 		for {
 			select {
 			case <-t.C:
-				c.sshClient.SendKeepAlive()
+				c.sendKeepAlive()
 			case <-done:
 				return
 			}
@@ -590,11 +541,7 @@ func (f *Fs) sftpConnection(ctx context.Context) (c *conn, err error) {
 	c = &conn{
 		err: make(chan error, 1),
 	}
-	if len(f.opt.SSH) == 0 {
-		c.sshClient, err = f.newSSHClientInternal(ctx, "tcp", f.opt.Host+":"+f.opt.Port, f.config)
-	} else {
-		c.sshClient, err = f.newSSHClientExternal()
-	}
+	c.sshClient, err = f.dial(ctx, "tcp", f.opt.Host+":"+f.opt.Port, f.config)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't connect SSH: %w", err)
 	}
@@ -608,7 +555,7 @@ func (f *Fs) sftpConnection(ctx context.Context) (c *conn, err error) {
 }

 // Set any environment variables on the ssh.Session
-func (f *Fs) setEnv(s sshSession) error {
+func (f *Fs) setEnv(s *ssh.Session) error {
 	for _, env := range f.opt.SetEnv {
 		equal := strings.IndexRune(env, '=')
 		if equal < 0 {
@@ -625,8 +572,8 @@ func (f *Fs) setEnv(s sshSession) error {

 // Creates a new SFTP client on conn, using the specified subsystem
 // or sftp server, and zero or more option functions
-func (f *Fs) newSftpClient(client sshClient, opts ...sftp.ClientOption) (*sftp.Client, error) {
-	s, err := client.NewSession()
+func (f *Fs) newSftpClient(conn *ssh.Client, opts ...sftp.ClientOption) (*sftp.Client, error) {
+	s, err := conn.NewSession()
 	if err != nil {
 		return nil, err
 	}
@@ -699,9 +646,6 @@ func (f *Fs) getSftpConnection(ctx context.Context) (c *conn, err error) {
 // Getwd request
 func (f *Fs) putSftpConnection(pc **conn, err error) {
 	c := *pc
-	if !c.sshClient.CanReuse() {
-		return
-	}
 	*pc = nil
 	if err != nil {
 		// work out if this is an expected error
@@ -780,10 +724,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 	if err != nil {
 		return nil, err
 	}
-	if len(opt.SSH) != 0 && (opt.User != "" || opt.Host != "" || opt.Port != "") {
-		fs.Logf(name, "--sftp-ssh is in use - ignoring user/host/port from config - set in the parameters to --sftp-ssh (remove them from the config to silence this warning)")
-	}
-
 	if opt.User == "" {
 		opt.User = currentUser
 	}
@@ -799,10 +739,6 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		ClientVersion:   "SSH-2.0-" + f.ci.UserAgent,
 	}

-	if len(opt.HostKeyAlgorithms) != 0 {
-		sshConfig.HostKeyAlgorithms = []string(opt.HostKeyAlgorithms)
-	}
-
 	if opt.KnownHostsFile != "" {
 		hostcallback, err := knownhosts.New(env.ShellExpand(opt.KnownHostsFile))
 		if err != nil {
@@ -846,32 +782,10 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 			return nil, fmt.Errorf("couldn't read ssh agent signers: %w", err)
 		}
 		if keyFile != "" {
-			// If `opt.KeyUseAgent` is false, then it's expected that `opt.KeyFile` contains the private key
-			// and `${opt.KeyFile}.pub` contains the public key.
-			//
-			// If `opt.KeyUseAgent` is true, then it's expected that `opt.KeyFile` contains the public key.
-			// This is how it works with openssh; the `IdentityFile` in openssh config points to the public key.
-			// It's not necessary to specify the public key explicitly when using ssh-agent, since openssh and rclone
-			// will try all the keys they find in the ssh-agent until they find one that works. But just like
-			// `IdentityFile` is used in openssh config to limit the search to one specific key, so does
-			// `opt.KeyFile` in rclone config limit the search to that specific key.
-			//
-			// However, previous versions of rclone would always expect to find the public key in
-			// `${opt.KeyFile}.pub` even if `opt.KeyUseAgent` was true. So for the sake of backward compatibility
-			// we still first attempt to read the public key from `${opt.KeyFile}.pub`. But if it fails with
-			// an `fs.ErrNotExist` then we also try to read the public key from `opt.KeyFile`.
 			pubBytes, err := os.ReadFile(keyFile + ".pub")
 			if err != nil {
-				if errors.Is(err, iofs.ErrNotExist) && opt.KeyUseAgent {
-					pubBytes, err = os.ReadFile(keyFile)
-					if err != nil {
-						return nil, fmt.Errorf("failed to read public key file: %w", err)
-					}
-				} else {
-					return nil, fmt.Errorf("failed to read public key file: %w", err)
-				}
+				return nil, fmt.Errorf("failed to read public key file: %w", err)
 			}
-
 			pub, _, _, _, err := ssh.ParseAuthorizedKey(pubBytes)
 			if err != nil {
 				return nil, fmt.Errorf("failed to parse public key file: %w", err)
@@ -893,8 +807,8 @@ func NewFs(ctx context.Context, name, root string, m configmap.Mapper) (fs.Fs, e
 		}
 	}

-	// Load key file as a private key, if specified. This is only needed when not using an ssh agent.
-	if (keyFile != "" && !opt.KeyUseAgent) || opt.KeyPem != "" {
+	// Load key file if specified
+	if keyFile != "" || opt.KeyPem != "" {
 		var key []byte
 		if opt.KeyPem == "" {
 			key, err = os.ReadFile(keyFile)
@@ -1038,7 +952,6 @@ func NewFsWithConnection(ctx context.Context, f *Fs, name string, root string, m
 	f.features = (&fs.Features{
 		CanHaveEmptyDirectories: true,
 		SlowHash:                true,
-		PartialUploads:          true,
 	}).Fill(ctx, f)
 	// Make a connection and pool it to return errors early
 	c, err := f.getSftpConnection(ctx)
@@ -1056,8 +969,8 @@ func NewFsWithConnection(ctx context.Context, f *Fs, name string, root string, m
 			fs.Debugf(f, "Failed to get shell session for shell type detection command: %v", err)
 		} else {
 			var stdout, stderr bytes.Buffer
-			session.SetStdout(&stdout)
-			session.SetStderr(&stderr)
+			session.Stdout = &stdout
+			session.Stderr = &stderr
 			shellCmd := "echo ${ShellId}%ComSpec%"
 			fs.Debugf(f, "Running shell type detection remote command: %s", shellCmd)
 			err = session.Run(shellCmd)
@@ -1110,7 +1023,7 @@ func NewFsWithConnection(ctx context.Context, f *Fs, name string, root string, m
 		}
 	}
 	f.putSftpConnection(&c, err)
-	if root != "" && !strings.HasSuffix(root, "/") {
+	if root != "" {
 		// Check to see if the root is actually an existing file,
 		// and if so change the filesystem root to its parent directory.
 		oldAbsRoot := f.absRoot
@@ -1213,6 +1126,13 @@ func (f *Fs) dirExists(ctx context.Context, dir string) (bool, error) {
 // found.
 func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err error) {
 	root := path.Join(f.absRoot, dir)
+	ok, err := f.dirExists(ctx, root)
+	if err != nil {
+		return nil, fmt.Errorf("List failed: %w", err)
+	}
+	if !ok {
+		return nil, fs.ErrorDirNotFound
+	}
 	sftpDir := root
 	if sftpDir == "" {
 		sftpDir = "."
@@ -1224,9 +1144,6 @@ func (f *Fs) List(ctx context.Context, dir string) (entries fs.DirEntries, err e
 	infos, err := c.sftpClient.ReadDir(sftpDir)
 	f.putSftpConnection(&c, err)
 	if err != nil {
-		if errors.Is(err, os.ErrNotExist) {
-			return nil, fs.ErrorDirNotFound
-		}
 		return nil, fmt.Errorf("error listing %q: %w", dir, err)
 	}
 	for _, info := range infos {
@@ -1370,17 +1287,10 @@ func (f *Fs) Move(ctx context.Context, src fs.Object, remote string) (fs.Object,
 	if err != nil {
 		return nil, fmt.Errorf("Move: %w", err)
 	}
-	srcPath, dstPath := srcObj.path(), path.Join(f.absRoot, remote)
-	if _, ok := c.sftpClient.HasExtension("posix-rename@openssh.com"); ok {
-		err = c.sftpClient.PosixRename(srcPath, dstPath)
-	} else {
-		// If haven't got PosixRename then remove source first before renaming
-		err = c.sftpClient.Remove(dstPath)
-		if err != nil && !errors.Is(err, iofs.ErrNotExist) {
-			fs.Errorf(f, "Move: Failed to remove existing file %q: %v", dstPath, err)
-		}
-		err = c.sftpClient.Rename(srcPath, dstPath)
-	}
+	err = c.sftpClient.Rename(
+		srcObj.path(),
+		path.Join(f.absRoot, remote),
+	)
 	f.putSftpConnection(&c, err)
 	if err != nil {
 		return nil, fmt.Errorf("Move Rename failed: %w", err)
@@ -1467,8 +1377,8 @@ func (f *Fs) run(ctx context.Context, cmd string) ([]byte, error) {
 	}()

 	var stdout, stderr bytes.Buffer
-	session.SetStdout(&stdout)
-	session.SetStderr(&stderr)
+	session.Stdout = &stdout
+	session.Stderr = &stderr

 	fs.Debugf(f, "Running remote command: %s", cmd)
 	err = session.Run(cmd)
@@ -1775,9 +1685,6 @@ func (f *Fs) remotePath(remote string) string {
 func (f *Fs) remoteShellPath(remote string) string {
 	if f.opt.PathOverride != "" {
 		shellPath := path.Join(f.opt.PathOverride, remote)
-		if f.opt.PathOverride[0] == '@' {
-			shellPath = path.Join(strings.TrimPrefix(f.opt.PathOverride, "@"), f.absRoot, remote)
-		}
 		fs.Debugf(f, "Shell path redirected to %q with option path_override", shellPath)
 		return shellPath
 	}
@@ -1868,14 +1775,11 @@ func (o *Object) setMetadata(info os.FileInfo) {

 // statRemote stats the file or directory at the remote given
 func (f *Fs) stat(ctx context.Context, remote string) (info os.FileInfo, err error) {
-	absPath := remote
-	if !strings.HasPrefix(remote, "/") {
-		absPath = path.Join(f.absRoot, remote)
-	}
 	c, err := f.getSftpConnection(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("stat: %w", err)
 	}
+	absPath := path.Join(f.absRoot, remote)
 	info, err = c.sftpClient.Stat(absPath)
 	f.putSftpConnection(&c, err)
 	return info, err
@@ -2035,10 +1939,9 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	if err != nil {
 		return fmt.Errorf("Update: %w", err)
 	}
-	// Hang on to the connection for the whole upload so it doesn't get re-used while we are uploading
 	file, err := c.sftpClient.OpenFile(o.path(), os.O_WRONLY|os.O_CREATE|os.O_TRUNC)
+	o.fs.putSftpConnection(&c, err)
 	if err != nil {
-		o.fs.putSftpConnection(&c, err)
 		return fmt.Errorf("Update Create failed: %w", err)
 	}
 	// remove the file if upload failed
@@ -2058,18 +1961,14 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
 	}
 	_, err = file.ReadFrom(&sizeReader{Reader: in, size: src.Size()})
 	if err != nil {
-		o.fs.putSftpConnection(&c, err)
 		remove()
 		return fmt.Errorf("Update ReadFrom failed: %w", err)
 	}
 	err = file.Close()
 	if err != nil {
-		o.fs.putSftpConnection(&c, err)
 		remove()
 		return fmt.Errorf("Update Close failed: %w", err)
 	}
-	// Release connection only when upload has finished so we don't upload multiple files on the same connection
-	o.fs.putSftpConnection(&c, err)

 	// Set the mod time - this stats the object if o.fs.opt.SetModTime == true
 	err = o.SetModTime(ctx, src.ModTime(ctx))
--- a/backend/sftp/sftp_test.go
+++ b/backend/sftp/sftp_test.go
@@ -30,13 +30,3 @@ func TestIntegration2(t *testing.T) {
 		NilObject:  (*sftp.Object)(nil),
 	})
 }
-
-func TestIntegration3(t *testing.T) {
-	if *fstest.RemoteName != "" {
-		t.Skip("skipping as -remote is set")
-	}
-	fstests.Run(t, &fstests.Opt{
-		RemoteName: "TestSFTPRcloneSSH:",
-		NilObject:  (*sftp.Object)(nil),
-	})
-}
--- a/backend/sftp/ssh.go
+++ b/backend/sftp/ssh.go
@@ -1,73 +0,0 @@
-//go:build !plan9
-// +build !plan9
-
-package sftp
-
-import "io"
-
-// Interfaces for ssh client and session implemented in ssh_internal.go and ssh_external.go
-
-// An interface for an ssh client to abstract over internal ssh library and external binary
-type sshClient interface {
-	// Wait blocks until the connection has shut down, and returns the
-	// error causing the shutdown.
-	Wait() error
-
-	// SendKeepAlive sends a keepalive message to keep the connection open
-	SendKeepAlive()
-
-	// Close the connection
-	Close() error
-
-	// NewSession opens a new sshSession for this sshClient. (A
-	// session is a remote execution of a program.)
-	NewSession() (sshSession, error)
-
-	// CanReuse indicates if this client can be reused
-	CanReuse() bool
-}
-
-// An interface for an ssh session to abstract over internal ssh library and external binary
-type sshSession interface {
-	// Setenv sets an environment variable that will be applied to any
-	// command executed by Shell or Run.
-	Setenv(name, value string) error
-
-	// Start runs cmd on the remote host. Typically, the remote
-	// server passes cmd to the shell for interpretation.
-	// A Session only accepts one call to Run, Start or Shell.
-	Start(cmd string) error
-
-	// StdinPipe returns a pipe that will be connected to the
-	// remote command's standard input when the command starts.
-	StdinPipe() (io.WriteCloser, error)
-
-	// StdoutPipe returns a pipe that will be connected to the
-	// remote command's standard output when the command starts.
-	// There is a fixed amount of buffering that is shared between
-	// stdout and stderr streams. If the StdoutPipe reader is
-	// not serviced fast enough it may eventually cause the
-	// remote command to block.
-	StdoutPipe() (io.Reader, error)
-
-	// RequestSubsystem requests the association of a subsystem
-	// with the session on the remote host. A subsystem is a
-	// predefined command that runs in the background when the ssh
-	// session is initiated
-	RequestSubsystem(subsystem string) error
-
-	// Run runs cmd on the remote host. Typically, the remote
-	// server passes cmd to the shell for interpretation.
-	// A Session only accepts one call to Run, Start, Shell, Output,
-	// or CombinedOutput.
-	Run(cmd string) error
-
-	// Close the session
-	Close() error
-
-	// Set the stdout
-	SetStdout(io.Writer)
-
-	// Set the stderr
-	SetStderr(io.Writer)
-}
--- a/Show More
+++ b/Show More