I went back to konsole 20.04.0 (built from upstream sources) and still see these artifacts. Consequently, something else in the xorg/KDE software stack must be responsible; I'm not sure how to proceed with debugging, though.
-- 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: delayed display update / konsole artifacts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1944951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs