I've just tried the same monitor layout as you suggest and can't reproduce any freeze yet...
You might want to ask the Gnome developers directly by logging an issue here: https://gitlab.gnome.org/GNOME/gnome-shell/issues ** Tags added: noclick ** Also affects: mutter (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1748029 Title: Dragging and dropping a window in the top bar causes GNOME shell to become unusable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1748029/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs