ownCloud 9.1 Features

General

• Background jobs (cron) can now run in parallel owncloud/core#23944

Federated sharing

• Ability to create federated shares with CRUDS permissions: owncloud/core#23918
• Resharing a federated share does not create a chain of shares any more but connects the share owner's server to the reshare recipient: owncloud/core#24603
• Update notifications in client via API - You can now be notified in your desktop client about available updates for core and apps. The notifications are made available via the notifications API. owncloud/core#24444

Authentication

• Pluggable authentication: plugin system that supports different authentication schemes: owncloud/core#23456
• Token-based authentication
• Ability to invalidate sessions: owncloud/core#24703
• List connected browsers/devices in the personal settings page. Allows the user to disconnect browsers/devices. owncloud/core#24703
• Device-specific passwords/tokens, can be generated in the personal page and revoked: owncloud/core#24703
• Disable users and automatically revoke their sessions: owncloud/core#23844
• Detect disabled LDAP users or password changes and revoke their sessions
• Log in with email address: owncloud/core#24389
• Config option to enforce token-based login outside the web UI: owncloud/core#24779
• Two Factor authentication plugins system: owncloud/core#24559
• Config option to disallow basic auth with passwords on API endpoints when two-factor auth is enabled: owncloud/core#24768

Note: the current desktop and mobile client versions do not support two-factor yet, this will be added later. It is already possible to generate a device specific password and enter that in the current client versions.

Filesystem

• UTF-8 NFD encoding compatibility support for NFD file names stored directly on external storages (new mount option in external storage admin page): owncloud/core#21365
• New DAV endpoint with a new chunking protocol aiming to solve many issues like timeouts (not used by clients yet): owncloud/core#20118

Files app

• Ability to toggle displaying hidden files: owncloud/core#2589
• Remember sort order: owncloud/core#10788
• Permalinks for internal shares: owncloud/core#11732

Technical debt

• PSR-4 autoloading forced for OC\ and OCP\, optional for OCA\ owncloud/core#13241 docs at https://doc.owncloud.org/server/9.1/developer_manual/app/classloader.html