It's possible that this is related to the Mutter fix from last week which manifests itself via changes to the launcher. However, this should have been fixed on Friday. Can you add some steps to reproduce?
** Tags removed: rls-ee-incoming -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845017 Title: Desktop hard lockup in 19.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1845017/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs