macOS High Sierra 10.13 developer beta 3 rolling out on Mac App Store


Apple today released a third beta of macOS High Sierra 10.13 for Mac systems. macOS High Sierra 10.13 beta 3 (build number 17A306f) is now available to Apple’s registered developers and members of the Apple Developer Program on any supported Mac via the Mac App Store’s Updates tab.
The full macOS High Sierra 10.13 beta 3 installer can be downloaded from Apple’s Dev Center portal. Once installed, subsequent betas will be available through the Software Update mechanism in Mac App Store.
A developer-only preview of High Sierra was released at WWDC in June, followed by a second beta on June 21 and the public beta on June 29. The first public beta of High Sierra has the same features as developer-only macOS High Sierra beta 2.
macOS High Sierra includes Apple’s File System, official support for High Efficiency Video Codec (HEVC), also known as H.265, an updated version of Metal with support for VR applications and external GPU enclosures, Safari 11 with new anti-tracking features, support for flight status information in Spotlight, more natural voices for Siri and more.
Stock apps including FaceTime, Messages and Notes have received a few refinements, too.
High Sierra also introduces new core storage, video, and graphics technology, as well as an enhanced Photos app with a new sidebar, curve-based editing and support for third-party apps like Pixelmator and Photoshop.
macOS High Sierra will release for public consumption this fall across supported Mac models.
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