> Pointless since 20100101 is already the default used in the user agent string Yes, since late 2015 only Actually it was 2010 (hence 20100101) for Firefo

> Pointless since 20100101 is already the default used in the user agent string Yes, since late 2015 only Actually it was 2010 (hence 20100101) for Firefox branded builds: https://bugzilla.mozilla.org/show_bug.cgi?id=591537 https://bugzilla.mozilla.org/show_bug.cgi?id=591537 And 2013 for all builds (I happen to have fixed this bug): https://bugzilla.mozilla.org/show_bug.cgi?id=728773 https://bugzilla.mozilla.org/show_bug.cgi?id=728773