A potential fix has been proposed upstream: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1676
** Also affects: mutter (Ubuntu) Importance: Undecided Status: New ** Changed in: mutter (Ubuntu) Status: New => In Progress ** Changed in: mutter (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880405 Title: Unresponsive GUI, sometimes high CPU, and journal flooded with: JS ERROR: TypeError: null has no properties _onFocusChanged@resource:///org/gnome/shell/ui/closeDialog.js:135:9 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1880405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs