Interestingly, I can't reproduce the problem in an up-to-date 19.10 VM, in the default X11 session.
Can you test whether Google Chrome (not chromium) is similarly affected? If so, would you mind filing an upstream bug report at https://chromiumbugs.appspot.com and linking to it here? Thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1839030 Title: Artifacts appears when Chromium app is minimizing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1839030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs