Refactor
- Add more integration tests with the help of the new diaspora-federation gem #6539
Bug fixes
- Fix mention autocomplete when pasting the username #6510
- Use and update updated_at for notifications #6573
- Ensure the author signature is checked when receiving a relayable #6539
- Do not try to display hovercards when logged out #6587
Features
- Display hovercards without aspect dropdown when logged out #6603
- Add media.ccc.de as a trusted oEmbed endpoint