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 Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1839030 Title: Artifacts appears when Chromium app is minimizing Status in chromium-browser package in Ubuntu: New Bug description: Details here: https://photos.app.goo.gl/ummEcpamq3yYA7p38 Device: Ubuntu 19.10 on Wayland (last build for 5 August 2019), HP 250 G6 Notebook, Celeron N3350 (Apollo Lake), Intel HD 500. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1839030/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

