Ok I have been able to rollback the xserver-xorg-video-amdgpu package from 19.1.0+git2104271106.aedbf47~f~mesarc0 to 19.1.0-1, and can confirm that the issue didn't reappear.
** Attachment added: "Output of apt-cache showpkg xserver-xorg-video-amdgpu" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1926009/+attachment/5494229/+files/amdgpu-avail-versions.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1926009 Title: Incomplete display of text To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1926009/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp