We've successfully upgraded our Mastodon server to v4.6.0-alpha.2+mementomods-2026-01-11, along with Mastodon Bird UI 4.0.0-alpha.0-3.
This update includes today's latest daily build with 54 new commits from upstream.
What's new (Mastodon core):
🔒 Security
- Fixed SSRF protection bypass
- Fixed ownership check in severed relationships
🐛 Bug Fixes
- Custom emojis now render correctly in profile fields
- Video modals no longer pushed down on mobile
- Fixed custom emojis in CWs and notifications
- Fixed hashtag autocomplete issues
- Mentions of domain-blocked users no longer processed
✨ Improvements
- New emoji search functionality
- Better HTTP signature handling
Check out our fork source code:
https://github.com/mementomori-social
Mastodon Bird UI 4.0.0-alpha.0-3 is still a work in progress in the nightly branch. It's not 100% ready, but it's stable.
As always, if you notice anything unusual or buggy, please reach out to me or any of the admins. Enjoy your time here, and feel free to message me with any questions or thoughts. 
