This existing upstream Firefox report looks to be the closest to the problem - there are bugs with defaultPref() under Ubuntu.
https://bugzilla.mozilla.org/show_bug.cgi?id=947838 I have made the (technically correct) fix here - but the defaults will not work properly until the bug is fixed in Firefox: https://github.com/ubuntu-mate/ubuntu-mate-settings/commit/13845909ab5c53ed1dd59a5a9a375e2a7c7d9028 ** Bug watch added: Mozilla Bugzilla #947838 https://bugzilla.mozilla.org/show_bug.cgi?id=947838 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1721965 Title: regression: cannot change home page in Firefox again (Artful) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-mate-settings/+bug/1721965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
