Nicholas, thanks for the report. It's unlikely anyone can use this bug report to improve Firefox unless there are steps to reproduce the problem. Since you don't see the problem any more yourself, I'm marking this Incomplete.
** Changed in: firefox (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/694170 Title: Exremely slow drop-down menus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/694170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs