i can confirm this bug. this bug is present in both 11.04 beta and 11.04. As indicated in the original description, this behavior is pretty inconsistent and its not not possible to give reproduction steps. Playing around with few windows will surely will trigger it. Attached is a screenshot.
** Attachment added: "Screenshot.png" https://bugs.launchpad.net/ubuntu/+source/unity/+bug/753934/+attachment/2106541/+files/Screenshot.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/753934 Title: Inconsistent "hide" behavior of the launch bar in Unity -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs