Mozilla set to launch all new Firefox in June Mozilla set to launch all new Firefox in June Mozilla Firefox to get a makeover soon. The new version of the browser will be made official on June 1. advertisement HIGHLIGHTS Mozilla has been one of the most preferred browsers globally. The company has successfully completed 20 years in the business. Popular browser Mozilla Firefox announced on Twitter that it would launch a fresh new Firefox. Mozilla has been one of the most preferred browsers globally. The company has successfully completed 20 years in the business. Announcing the move, Firefox tweeted, “You don’t last 20 years as a browser without making improvements along the way. So on June 1, that’s exactly what we’re doing. Get ready for a fresh new Firefox.”