Five months into his tenure as CEO of Unity Software, Matt Bromberg is overseeing his first big product launch as he tries to push the company past an extended stretch of challenges. On Friday, the video game software company announced the sixth version of its flagship product, Unity Engine, a set of tools developers can use to produce games across a number of devices, including iPhones and Android phones. Unity 6 is emphasizing stability, predictable updates and the ability to support hundreds of players i ...