Seems related to upstream https://bugzilla.mozilla.org/show_bug.cgi?id=502908
** Bug watch added: Mozilla Bugzilla #502908 https://bugzilla.mozilla.org/show_bug.cgi?id=502908 ** Changed in: firefox Importance: Undecided => Unknown ** Changed in: firefox Status: Incomplete => Unknown ** Changed in: firefox Remote watch: None => Mozilla Bugzilla #502908 -- 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: "Warn on closing with multiple tabs open" not honored To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/583797/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs