Good news Jack J, you just haven't installed it properly. You upgraded your 'mutter' package to 3.36.4 but not your 'libmutter' package. It's the latter that gnome-shell uses and yours is still 3.36.3.
-- 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/1870867 Title: gnome-shell crashed with SIGABRT meta_x11_get_stage_window: assertion failed: (META_IS_STAGE_X11 (impl)) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1870867/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs