This might just be a gnome-control-center GUI bug. When the fractional scaling switch changes unexpectedly do you also see a change in the real setting?
gsettings get org.gnome.mutter experimental-features ** Also affects: gnome-control-center (Ubuntu) Importance: Undecided Status: New ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928073 Title: Display settings don't persist across reboot / sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1928073/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs