This seems to at least help: https://extensions.gnome.org/extension/1445/fix-fullscreen-tearing/
Maybe something like that should be shipped by default -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1810126 Title: Extremely visible screen tearing with VLC and Firefox/Chromium To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1810126/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs