The other upstream issue currently open that requires CLUTTER_PAINT=disable-dynamic-max-render-time is https://gitlab.gnome.org/GNOME/mutter/-/issues/2334 but that seems to be different enough that you should log a new bug.
** Tags added: dynamic-max-render-time -- 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/2016990 Title: [Lunar] Irregular FPS with Path of Exile To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2016990/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs