Although there are no complete overhauls, the fine updates are more than enough to bring a fresh and strong performance that also paves the way for VR (virtual reality) and AR (augmented reality) in future developments. MacOS High Sierra: The New Features That Matter: Everything you must know about the macOS High SierraĪpple seems to have it all nailed down with this year’s updates for the High Sierra, combining reliability with capabilities that will make for a better user experience.