It does happen in monodevelop too, please see https://launchpad.net/distros/ubuntu/+source/gtk+2.0/+bug/41037
Ive marked this as a duplicate for now but IMHO we should change the package of this bug, it's not only gnome-panel ** Bug 41037 has been marked a duplicate of this bug -- add-to-panel dialogue rendering bug https://launchpad.net/bugs/23436 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
