I wonder if this is cause by the fix for bug 1919972. Please try installing:
https://launchpad.net/ubuntu/+source/gnome-shell-extension-ubuntu-dock/68ubuntu20.10.1/+build/19931028/+files/gnome-shell-extension-ubuntu-dock_68ubuntu20.10.1_all.deb
(which is a downgrade) and then log in again.
I wonder if this is cause by the fix for bug 1919972. Please try installing:
https:/ /launchpad. net/ubuntu/ +source/ gnome-shell- extension- ubuntu- dock/68ubuntu20 .10.1/+ build/19931028/ +files/ gnome-shell- extension- ubuntu- dock_68ubuntu20 .10.1_all. deb
(which is a downgrade) and then log in again.