Updating __just__ `mutter` to 3.34.3-1ubuntu1~19.10.1 did not work; I had to update `libmutter-5-0` too. If you're using the instructions given in the link in comment https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1845281/comments/10 to disable automatic updates to proposed packages, then this will attempt to remove a couple of essential core libraries such as `gdm3`, so you will have to NOT pin them and then go:
Updating __just__ `mutter` to 3.34.3- 1ubuntu1~ 19.10.1 did not work; I had to update `libmutter-5-0` too. If you're using the instructions given in the link in comment https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-shell/ +bug/1845281/ comments/ 10 to disable automatic updates to proposed packages, then this will attempt to remove a couple of essential core libraries such as `gdm3`, so you will have to NOT pin them and then go:
`sudo apt-get install libmutter- 5-0/eoan- proposed mutter/ eoan-proposed`