In the meanwhile I've found a workaround: i copied the picture i want to use as lightdm background on /usr/share/backgrounds/ubuntu-mate-jammy and renamed it with the system default image name.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970081 Title: The background image of the login window cannot be changed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1970081/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
