Date Trunk Aurora Beta Release

2016-03-07 48 default 47 default 46 A/B Tests 45 off

2016-04-18 49 default 48 default 47 A/B Tests, Possible Rollout (add-ons = ally = no) 46 off

2016-06-07 50 default 49 default 48 Possible Rollout (add-ons + ally = no) 47 off

2016-08-02 51 default 50 default 49 Possible Rollout (add-ons + ally = no) 48 Rollout (add-ons + ally = no)

2016-09-20 52 default (multi-lands) 51 default 50 Rollout (add-ons = yes + ally = no) 49 Rollout (known good add-ons = yes, ally = no)

2016-11-15 53 default (multi-enabled) 52 (multi=no) 51 default 50 Rollout Sandboxing for Windows, RTL support for Windows and Mac, and known good add-ons (MPC=true)