I couldn't run this command (see attached shell output) and tried sudo apt install libmutter-10-0=42.0-3ubuntu2 mutter-common=42.0-3ubuntu2 gir1.2-mutter-10=42.0-3ubuntu2 however I didn't pay attention when I did it, but I lost the display after reboot and had to reinstall ubuntu-desktop (I don't master package downgrading) short answer I couldn't test downgrading
** Attachment added: "tmp" https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2060204/+attachment/5762909/+files/tmp -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2060204 Title: Resolution drop on third monitor on USB C To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2060204/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs