Apple Seeds Third Beta of macOS High Sierra to Developers

Apple today seeded the third beta of an upcoming macOS High Sierra update to developers for testing purposes, more than two weeks after seeding the original second beta and over a month after introducing the new software at its 2017 Worldwide Developers Conference.The new beta can be downloaded from the Apple Developer Center or over-the-air using the Software Update mechanism in the Mac App Store.macOS High Sierra focuses on new core storage, video, and graphics technology, introducing a new Ap