Mozilla Firefox 83 comes with big JavaScript enhancements November 18, 2020 by admin Tweet Mozilla has just released Firefox 83. It comes with lots of changes including better performance from the SpiderMonkey engine and emulated support for Apple’s M1 chip with native support due. Read more… Neowin Related Posts:Mozilla launches Firefox 100 with lots of video…Mozilla releases Firefox 93 with AVIF image supportMozilla releases Firefox 104 with Picture-in-Picture…Mozilla launches Firefox 114 with fairly small, but…Mozilla releases Firefox 103 with improved…