Same thing in 11.10 unity. It seem to affect some applications more than others. For example screenshots for such mini apps as Mozilla apps, Terminator, Eclipse are often get blank in the application switcher.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/719440 Title: [workspace switcher] No screenshot for minimized windows, empty rectangle with application icon shown instead (maverick only) To manage notifications about this bug go to: https://bugs.launchpad.net/unity-2d/+bug/719440/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs