- **Breaking:** removed `with_move` parameter from notifications timeline.
### Added
+- Chats: Added support for federated chats. For details, see the docs.
- ActivityPub: Added support for existing AP ids for instances migrated from Mastodon.
- Instance: Add `background_image` to configuration and `/api/v1/instance`
- Instance: Extend `/api/v1/instance` with Pleroma-specific information.