Friends, you can read and check a temporary solution from https://ubuntu-mate.community/t/workspace-switcher-scaling-issue-on-ubuntu-mate-21-10-diagnosis-and-temporary-fix/24686/5 .
Friends, you can read and check a temporary solution from https:/ /ubuntu- mate.community/ t/workspace- switcher- scaling- issue-on- ubuntu- mate-21- 10-diagnosis- and-temporary- fix/24686/ 5 .