RC1 for 30.0.16 was published today.
This version mainly fixes a minor issue with updater:
In 30.0.15 updater will complain about an unexpected REUSE.toml file. This file can be safely removed to proceed with update.
As always, help with testing is very much welcome! 
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Changelogs
30.0.16 RC1
server
- Feat(files_trashbin): Refactor expire background job to support parallel run (server#53025)
- Fix: TypeError: this.fetchDisplayName is not a function (server#54900)
- Chore(flake): update haze to 2.1.2 (server#54908)
- Feat(file_sharing): Provide template creator list in public shares (server#54949)
- Fix: calculate node limit using MiB instead of MB (server#54966)
- Fix: Avoid internal error when logging in with the wrong account to verify email address (server#54974)
- Fix: don’t show object size warning if we can’t determine the object size (server#54994)
- Fix(auth): allow access to dynamic js files during 2FA (server#55021)
- Fix(contactsmenu): adjust padding to new design (server#55089)
- Fix(auth): Fix invalid unique constraint violation catch (server#55130)
- Fix(Updater): Lower deadlock log level from warning to info (server#55149)
firstrunwizard
updater
- Chore: update list of expected files (updater#665)
- Chore(ci): update workflows from .github repository (updater#667)