Microsoft Edge's JavaScript engine to go open-source
Wait, Edge does better on ES6 coverage than both Chrome and Firefox? Microsoft have seriously stepped up their game, especially seeing as it's now neck and neck for performance with Chrome: <a href="http://venturebeat.com/2015/09/10/browser-benchmark-battle-september-2015-chrome-vs-firefox-vs-edge/view-all/" rel="nofollow">http://venturebeat.com/2015/09/10/browser-benchmark-battle-s...</a>