Hi, sorry for the slow reply, and glad to hear you found the cause! As I don't think this is inherently a Firefox bug but rather an issue with the other software, I'm closing this bug accordingly. Thanks for the update!
** Changed in: firefox (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2014111 Title: Mouse pointing focus issues To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2014111/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs