I see this sometimes too. I had a couple of apps "ghosted" on arale latest rc-proposed image. If I tap them they come to the front but transparent, like the screenshot is missing.
After a few seconds the app wakes up again (is restarted) and it appears. ** Changed in: unity8 (Ubuntu) Status: New => Confirmed ** Attachment added: "device-2015-07-21-233057.png" https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1474319/+attachment/4432210/+files/device-2015-07-21-233057.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1474319 Title: app spread only shows shadows of apps, no content To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1474319/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs