Here's a Bustle log showing the problem. It looks like Nautilus is registering for a full second (?!?!) in this case?
** Attachment added: "Nautilus Open Window Bustle Log" http://launchpadlibrarian.net/52227838/nautlius.openwindow.bustle -- extra registrations create applications slowness https://bugs.launchpad.net/bugs/604668 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs