- ActivityPub C2S: follower/following collection pages being inaccessible even when authentifucated if `hide_followers`/ `hide_follows` was set
- Existing user id not being preserved on insert conflict
- Rich Media: Parser failing when no TTL can be found by image TTL setters
+- ActivityPub S2S: sharedInbox usage has been mostly aligned with the rules in the AP specification.
### Added
- MRF: Support for priming the mediaproxy cache (`Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`)