If the issue is https://gitlab.gnome.org/GNOME/mutter/issues/919 then it is fixed in mutter 3.35.90, which will come in Ubuntu 20.04.
If the issue is https:/ /gitlab. gnome.org/ GNOME/mutter/ issues/ 919 then it is fixed in mutter 3.35.90, which will come in Ubuntu 20.04.