Update: This only seems to fix it if you click the x. If you choose File->Quit, it STILL doesn't show the dialog box.
** Changed in: firefox (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/583797 Title: Firefox closed multiple tabs without warning To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/583797/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs