Undo Changes
The revision view allows all users with level "member" or above to see changes made to the family tree, including which users made those changes.
In this release, this view gets a powerful new undo transaction button: users with level "editor" or "owner" can now selectively revert changes. When clicking this button, Gramps Web checks if the change can be reverted without conflicts. If the objects involved in the change have been modified since, it warns about the conflict, but can optionally restore the original state, discarding the changes.
This change should bring additional peace of mind to tree owners, especially when using collaborative editing: Accidental changes or deletions can be easily reverted without having to manually dig into backup files.
Bug Fix
Loading the dialog to add a new tag to an object could be unnecessarily slow in some cases. This bottleneck has been fixed.
Full Changelog: v26.4.3...v26.5.0