Version v1.49.0

docs/content/b2.md

@@ -425,6 +425,7 @@ Custom endpoint for downloads.
 
 This is usually set to a Cloudflare CDN URL as Backblaze offers
 free egress for data downloaded through the Cloudflare network.
+This is probably only useful for a public bucket.
 Leave blank if you want to use the endpoint provided by Backblaze.
 
 - Config:      download_url
@@ -432,5 +433,17 @@ Leave blank if you want to use the endpoint provided by Backblaze.
 - Type:        string
 - Default:     ""
 
+#### --b2-download-auth-duration
+
+Time before the authorization token will expire in s or suffix ms|s|m|h|d.
+
+The duration before the download authorization token will expire.
+The minimum value is 1 second. The maximum value is one week.
+
+- Config:      download_auth_duration
+- Env Var:     RCLONE_B2_DOWNLOAD_AUTH_DURATION
+- Type:        Duration
+- Default:     1w
+
 <!--- autogenerated options stop -->