Thank you for your bug report. Do you get any error printed if you start nautilus from a commandline ? It's supposed to the use desktop portal for setting the wallpaper so maybe that's not working as expected from some reason...
** Changed in: nautilus (Ubuntu) Importance: Undecided => Low ** Changed in: nautilus (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/2064568 Title: can't set picture as desktop wallpaper in nautilus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/2064568/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs