Well. My installation of Ubuntu 20.04 is one week old + all the updates and it is still happening occasionally. I just did what I did a year ago and I can reproduce the bug again and again. See attachment for a screenshot I did a few minutes ago.
** Attachment added: "Screenshot from 2021-05-28 17-57-22.png" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1872802/+attachment/5500920/+files/Screenshot%20from%202021-05-28%2017-57-22.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1872802 Title: Resizing any window will randomly result in graphics corruption for a fraction of a second (in Xorg sessions) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1872802/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs