Since Ubuntu 19.10 (eoan) has reached end of life, this can be closed. Please see bug 1890613 for a more current discussion.
** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1841774 Title: gnome-shell freezes and continuously logs "JS ERROR: TypeError: null has no properties" in _addWindowEffect from vfunc_show (both in closeDialog.js) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1841774/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs