Looks like the add-on has nothing to do with the issue. This time the bug stopped reoccurring after I opened the add-on tab. Maybe merely opening the settings interface will be enough next time.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769273 Title: context menu closes on mouse over To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/769273/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs