Looks like the problem may be with the Flutter layer. What other apps are affected?
I'm wondering if Flutter apps need a custom Nvidia sleep workaround like bug 1876632 is about. Although that would only matter if they're using the discrete GPU by default, and they shouldn't be. ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2083650 Title: Windows blinks after return from display off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2083650/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs