The MacOS High Sierra software update package is available to download exclusively from the Mac App Store: Generally speaking, the newer the Mac the better performance will be. Because Apple does not provide detailed release notes for macOS High Sierra updates, we may not know exactly what's included until the new software is provided to the public.MacOS High Sierra, versioned as 10.13, includes the all new APFS file system, improved graphics support, Safari 11, updates and new features in the Photos app, various enhanced security and privacy features, amongst other adjustments and changes.Īny Mac that supports macOS Sierra will also support macOS High Sierra, the full macOS High Sierra compatibility list can be found here.

No other major outward-facing changes were discovered in the first two developer betas, but the update likely includes bug fixes and improvements to address issues discovered since the release of macOS High Sierra 10.13.4. Older attachments are also stored in iCloud. The Messages on iCloud feature also allows your older iMessages to be stored in iCloud rather than on your iPhone, iPad or Mac, saving valuable storage space. Right now, incoming iMessages will be sent to all devices where you're signed into your Apple ID, but it's not true cloud-based syncing because your old messages don't show up on new devices nor does deleting a message remove it from all of your devices, both features enabled through Messages on iCloud. Messages on iCloud is designed to store your iMessages in iCloud for improved syncing. MacOS High Sierra 10.13.5 once again introduces support for Messages on iCloud, a feature that was present in macOS High Sierra 10.13.4 betas but pulled ahead of the release of the updated software. Those who want to be a part of Apple's beta testing program can sign up to participate through the beta testing website, which gives users access to iOS, macOS, and tvOS betas. Today's public beta is identical to the second beta provided to developers earlier this week.īeta testers who have signed up for Apple's beta testing program will be able to download the new macOS High Sierra beta through the Software Update mechanism in the Mac App Store.

Apple today released the second beta of an upcoming macOS High Sierra 10.13.5 update to public beta testers, two weeks after seeding the first beta and three weeks after releasing macOS High Sierra 10.13.4.

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