資料來源：https://goo.gl/2wrmTJ（Mozilla Future Release）
2016-01-26 – Firefox 44
2016-03-08 – Firefox 45, ESR 45 (6 weeks cycle)
2016-04-19 – Firefox 46 (6 weeks cycle)
2016-06-07 – Firefox 47 (7 weeks cycle)
2016-08-02 – Firefox 48 (8 weeks cycle)
2016-09-13 – Firefox 49 (6 weeks cycle)
2016-11-08 – Firefox 50 (8 weeks cycle)
2016-12-13 – Firefox 50.0.1 (5 week cycle, release for critical fixes as needed)
2017-01-24 – Firefox 51 (6 weeks from prior release)
不再是固定六周發行新版本了。