Is there a tricky bug in the implementation of the profiles in the Joplin Android app?

[Coffee]

@laurent

And by the way you use two different webdav urls for each profile, right?

Yes.

A-User:
https://nextcloud.joplin-android-profile-bug-2023.de/remote.php/dav/files/A-User/Joplin

B-User:
https://nextcloud.joplin-android-profile-bug-2023.de/remote.php/dav/files/B-User/Joplin