Support for the new profile design is almost ready for Mastodon Bird UI v4.0.0-alpha.6 (for Mastodon nightly 4.6.0-alpha.6).
Original core Mastodon on the left.
With Mastodon Bird UI on the right.
I've stated numerous times that I'm not a fan of the new tag pills and boosts and replies toggle, but I tried my best to make it more manageable in my UI. I'd rather not make radical back-end changes to my fork.
OG on the left.
Mine on the right.
Support for the new profile design is almost ready for Mastodon Bird UI v4.0.0-alpha.6 (for Mastodon nightly 4.6.0-alpha.6).
Original core Mastodon on the left.
With Mastodon Bird UI on the right.
Major modularization is done for the upcoming v4.6.0 in Mastodon Bird UI v4.0.0-alpha.6 (nightly branch). Currently in progress: Supporting the latest profile page structure.
https://github.com/ronilaukkarinen/mastodon-bird-ui/issues/183
#BuildInPublic #MastodonBirdUI #BirdUI #MastoAdmin #Mastodon #OpenSource
@sombragris @trbutler This is actually why I didn't want it to be automatic. I personally prefer to choose per-app, and I hate auto light/dark. The upcoming Mastodon version has separate theme and dark/light settings, so it will be easier to choose. But before 4.6.0, either the themes forced it, or it was automatic.
We have an issue about this: https://github.com/ronilaukkarinen/mastodon-bird-ui/issues/182
In the future, Mastodon Bird UI will support both ways.
It seems the newest nightly build has implemented profile_redesign, so it's no longer under the EXPERIMENTAL_FEATURES flag. That means I need to get working on the profile redesign for the Mastodon Bird UI. Today's maintenance break will last a little while longer...
I won't be able to use the flag EXPERIMENTAL_FEATURES=profile_redesign for a while. I do not have time to redesign ours. I really think the Mastodon core team has made some poor choices lately, UX anti-patterns are popping up again. Last time, they changed post visibility under a modal that required up to six clicks and added unnecessary cognitive strain. I even sent a PR suggestion, but they rejected it.
Right now we have "Posts" and "Posts and replies" in tabs, but in the experimental profile redesign there's a "Posts" toggle that contains "Replies" and "Posts" toggles underneath it. It adds extra clicks and combines interface elements under one toggle, which just creates more friction. What's wrong with traditional tabs?
I wish they'd stop breaking what already works well. Honestly, as a long-time front-end developer, I don't understand some of these design choices. Hopefully, these experimental features will mature a bit before they make it to stable.
Issues opened:
https://github.com/ronilaukkarinen/mastodon-bird-ui/issues/183
https://github.com/ronilaukkarinen/mastodon-bird-ui/issues/182
Will hold off for now.
Wow, there are a lot of breaking changes in the latest Mastodon nightly. I'm a bit surprised by some of the UI choices being made. I haven't been able to refactor all the code in Mastodon Bird UI yet, and I already have quite a bit of technical debt. This won't make my life any easier. I hope I get some breathing room before 4.6.0 is released.
@doktorzjivago @MrShark @kallekn @gustav
The same issue doesn't occur with the latest Mastodon Bird UI, so please check which version you're using. If it's the stable release, I'll need to patch the main stable version for Mastodon v4.5.6. The fix is already included in the nightly build of Mastodon Bird UI, but applying it directly to the stable version would break other elements.
Auf der linken Seite ist Bluesky, auf der rechten Seite das Mastodon Theme meiner Instanz. Ich liebe es einfach.
We've successfully upgraded our Mastodon server to v4.6.0-alpha.3+mementomods-2026-01-24, along with Mastodon Bird UI 4.0.0-alpha.0-4.
This update includes today's latest daily build with 107 new commits from upstream since alpha.2 (2026-01-11).
What's new in Mastodon core - These are the changes Mastodon Team have introduced us in the latest nightly version we are running:
🔒 Security
- Updated lodash to v4.17.23 (security fix)
- Multiple security patches merged from upstream
✨ New Features
- Collections: "My collections" page, featured collections, collection endpoints
- Profile redesign (in Mastodon core theme only): verified badges, account name tyling, profile fields redesign
- New UI components: Callout, Toggle, MiniCard, form fields
🎨 Theming system
- New file-based theme system with data-color scheme and data-contrast attributes
- High-contrast styles added to common stylesheet
- Updated embedded styling and error pages for new theme infrastructure
🐛 Bug Fixes
- Fixed quote cache invalidation
- Fixed cross-server conversation tracking
- Fixed keyboard navigation in media modal
- Fixed directory showing load more button incorrectly
- Fixed quote approval policy being reset on status update
- Fixed delivery worker error counting
- Fixed isDarkMode utility
🔧 Other updates
- Bumped to v4.5.5
- Removed deprecated ImageMagick usage
- Updated Node.js to 24.13
- Various dependency updates and translations
🐦⬛ Mastodon Bird UI 4.0.0-alpha.0-4:
- Migrated to new file-based theme system
- Added semantic token overrides for light theme
- Fixed missing search icon in dark theme
- Release: https://github.com/ronilaukkarinen/mastodon-bird-ui/releases/tag/4.0.0-alpha.0-4
Check out the source code of our fork: https://github.com/mementomori-social
Mastodon Bird UI 4.0.0-alpha.0-4 is still a work in progress in the nightly branch. It's not 100% ready, but it's stable with today's Mastodon alpha.3.
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. 
#MementomoriSocial #Mastodon #MastoAdmin #MastodonBirdUI #BirdUI