Looks like https://bugzilla.mozilla.org/show_bug.cgi?id=78089 would be the proper upstream tracker for this, although https://bugzilla.mozilla.org/show_bug.cgi?id=397394 is certainly more focused on this particular aspect of the problem. See also https://bugzilla.mozilla.org/show_bug.cgi?id=257646
Looks like https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=78089 would be the proper upstream tracker for this, although https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=397394 is certainly more focused on this particular aspect of the problem. See also https:/ /bugzilla. mozilla. org/show_ bug.cgi? id=257646