Thanks to the tests done by Michael it was easy to figure out the file in question. It's the file iris_dri.so from package libgl1-mesa-dri. Taken it from 21.0.3 and it worked. Don't know if it's safer just to replace this file or all Mesa libraries.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1944951 Title: KDE delayed display update / konsole artifacts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1944951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
