I believe the "unable to save" part of this bug is https://launchpad.net/bugs/1969622 and the fix is rolling out as an update now.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970168 Title: File-save prompt is extremely buggy, potentially unusable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1970168/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs