The issue seems to have been reported upstream as well, see e.g https://gitlab.gnome.org/GNOME/gnome-control-center/issues/18
** Changed in: gnome-control-center (Ubuntu) Status: New => Triaged ** Summary changed: - Save button missing in screen + Save button missing in screen config for multi monitors with different scaling values -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1730006 Title: Save button missing in screen config for multi monitors with different scaling values To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1730006/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs