Firefox 64-bit Windows development resumed December 22, 2012 by admin Tweet Mozilla has decided to officially resume development of a Windows 64-bit version of Firefox after shutting down its development last month due to lack of plug-in support. Read more… Neowin Related Posts:Firefox 115 is out, the last version to support…Mozilla is considering extending Firefox support on…Firefox 108 is out with Windows 11 Efficiency Mode…Mozilla releases Firefox 104 with Picture-in-Picture…Mozilla Firefox 105 now out with performance boosts…