+- Mastodon API: Add `upload_limit`, `avatar_upload_limit`, `background_upload_limit`, and `banner_upload_limit` to `/api/v1/instance`
+- Mastodon API: Add `pleroma.unread_conversation_count` to the Account entity
+- OAuth: support for hierarchical permissions / [Mastodon 2.4.3 OAuth permissions](https://docs.joinmastodon.org/api/permissions/)
+- Authentication: Added rate limit for password-authorized actions / login existence checks
+- Metadata Link: Atom syndication Feed
+- Mix task to re-count statuses for all users (`mix pleroma.count_statuses`)
+- Mastodon API: Add `exclude_visibilities` parameter to the timeline and notification endpoints
+- Admin API: `/users/:nickname/toggle_activation` endpoint is now deprecated in favor of: `/users/activate`, `/users/deactivate`, both accept `nicknames` array
+- Admin API: `POST/DELETE /api/pleroma/admin/users/:nickname/permission_group/:permission_group` are deprecated in favor of: `POST/DELETE /api/pleroma/admin/users/permission_group/:permission_group` (both accept `nicknames` array), `DELETE /api/pleroma/admin/users` (`nickname` query param or `nickname` sent in JSON body) is deprecated in favor of: `DELETE /api/pleroma/admin/users` (`nicknames` query array param or `nicknames` sent in JSON body).