It happens every session. However, I suspect now that it may only happen with some notifications and not others.
Ubuntu One file sync notification was the test case I used in the screenshot. Things like Evolution and Gwibber don't produce the effect, neither does Banshee. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/739865 Title: Unity launcher icons disappear or corrupted before notification appears -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs