- Restyled OAuth pages to fit with Pleroma's default theme
- Link/mention/hashtag detection is now handled by [auto_linker](https://git.pleroma.social/pleroma/auto_linker)
- NodeInfo: Return `safe_dm_mentions` feature flag
- Federation: Expand the audience of delete activities to all recipients of the deleted object
- Configuration: Dedupe enabled by default
- Pleroma API: Support for emoji tags in `/api/pleroma/emoji` resulting in a breaking API change
- Mastodon API: Support for `exclude_types`, `limit` and `min_id` in `/api/v1/notifications`
- Mastodon API: Add `languages` and `registrations` to `/api/v1/instance`
- Mastodon API: Provide plaintext versions of cw/content in the Status entity
- Mastodon API: Add `pleroma.conversation_id` field to the Status entity
- Mastodon API: Add `pleroma.tags`, `pleroma.relationship{}`, `pleroma.is_moderator`, `pleroma.is_admin`, `pleroma.confirmation_pending` fields to the User entity
- Mastodon API: Add `pleroma.is_seen` to the Notification entity
- Mastodon API: Add `pleroma.local` to the Status entity
- Mastodon API: Add `preview` parameter to `POST /api/v1/statuses`
- Mastodon API: Add `with_muted` parameter to timeline endpoints
- Mastodon API: Actual reblog hiding instead of a dummy
- Mastodon API: Remove attachment limit in the Status entity
- Deps: Updated Cowboy to 2.6
- Deps: Updated Ecto to 3.0.7
### Fixed
- Followers counter not being updated when a follower is blocked
- Deactivated users being able to request an access token
- Limit on request body in rich media/relme parsers being ignored resulting in a possible memory leak
- proper Twitter Card generation instead of a dummy
- NodeInfo: Include admins in `staffAccounts`
- ActivityPub: Crashing when requesting empty local user's outbox
- Federation: Handling of objects without `summary` property
- Federation: Add a language tag to activities as required by ActivityStreams 2.0
- Federation: Do not federate avatar/banner if set to default allowing other servers/clients to use their defaults
- Federation: Cope with missing or explicitly nulled address lists
- Federation: Explicitly ensure activities addressed to `as:Public` become addressed to the followers collection
- Federation: Better cope with actors which do not declare a followers collection and use `as:Public` with these semantics
- MediaProxy: Parse name from content disposition headers even for non-whitelisted types
- MediaProxy: S3 link encoding
- Rich Media: Reject any data which cannot be explicitly encoded into JSON
- Mastodon API: `/api/v1/favourites` serving only public activities
- Mastodon API: Reblogs having `in_reply_to_id` - `null` even when they are replies
- Mastodon API: Streaming API broadcasting wrong activity id
- Mastodon API: 500 errors when requesting a card for a private conversation