Apple Seeds Fourth macOS Sierra 10.12.1 Beta to Developers and Public Beta TestersApple today seeded the fourth beta of an upcoming macOS Sierra update to developers and public beta testers for testing purposes, one week after
seeding the third beta and three weeks after
releasing the new macOS Sierra operating system to the public.
macOS Sierra 10.12.1 beta 4 can be downloaded from the Apple Developer Center or through the Software update mechanism in the
Mac App Store for those who already have an earlier 10.12.1 beta installed.
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macOS Sierra 10.12.1 appears to focus on bug fixes and under-the-hood performance improvements to address issues that have been found since the operating system's release, and it's also likely adding features designed for
next-generation MacBook Pro models set to be released later this year.
Few outward-facing changes were discovered in the first three betas, but it does include Photos support for the new
iPhone 7 Plus Portrait feature introduced with
iOS 10.1. New features discovered in the fourth 10.12.1 beta will be listed below.
macOS Sierra is a significant update that brings features like
Siri support, a new storage optimization option, cross device copy paste, auto unlocking with the Apple Watch, and more. For full details on macOS Sierra, make sure to
check out our roundup.
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macOS Sierra </div>
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Apple Seeds Fourth macOS Sierra 10.12.1 Beta to Developers and Public Beta Testers
