Wed, 15 Apr 2020 08:07:23 +0900 default
Tue, 06 Aug 2019 08:02:05 -0600 production
Fri, 18 Sep 2015 13:45:06 -0400 mozilla-b2g37_v2_2
Tue, 12 May 2015 17:58:44 -0400 mozilla-b2g30_v1_4
Fri, 12 Nov 2010 12:06:16 -0800 0.1