ownCloud Server 10.9.1 is a follow-up bugfix release release that takes care of 10.9 known issues. You can read the full ownCloud Server changelog for further details on what has changed.
Solved known issues
All known issues in Server 10.9.0 have been fixed:
Prevent encrypted files from being corrupted when overwriting them #39623
Marketplace not working after upgrade from 10.8 to 10.9 #39616
In my world, the changelog is two weeks newer and mentions this issue first place:
Changelog for ownCloud Core [10.9.1] (2022-01-12)
=======================================
The following sections list the changes in ownCloud core 10.9.1 relevant to
ownCloud admins and users.
[10.9.1]: https://github.com/owncloud/core/compare/v10.9.0...v10.9.1
Summary
-------
* Bugfix - Prevent encrypted files from being corrupted when overwriting them: [#39623](https://github.com/owncloud/core/pull/39623)
* Bugfix - Getting the file owner for share recipients: [#39670](https://github.com/owncloud/core/pull/39670)
* Bugfix - Prevent version author from being overwritten with wrong uid: [#39673](https://github.com/owncloud/core/pull/39673)
thanks for your answer, I got it in the same place as you did which is there, but now it’s updated.
I guess it might have been some caching, but strange enough, I visited it at least once every week.
Anyway it’s up to date, thanks