Officially released on June 7, 2016, the Mozilla Firefox 47.0 web browser is not a major release, but it does bring various interesting new features, among which we can mention support for playing embedded YouTube videos using the HTML5 technology when Adobe Flash Player is not detected. Also, the VP9 video codec is now automatically enabled on powerful computers, providing users with top-notch video playback performance. There are also many security fixes and various other improvements.