Apple today seeded the fifth beta of an upcoming macOS High Sierra update to developers for testing purposes, two weeks after seeding the fourth beta and two months after introducing the new software at the 2017 Worldwide Developers Conference.
The new macOS High Sierra 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 builds on features introduced in macOS Sierra, focusing on new storage, video, and graphics technology. It introduces a new Apple File System (APFS), High Efficiency Video Codec (HEVC), and an updated version of Metal with support for VR and external GPUs.
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Several apps are gaining new features in macOS High Sierra. The Photos app is being updated with a new sidebar that makes it easier to access editing tools and albums, and there are new filters and editing options like Curves and Selective Color. Photos also supports external editing a
