Apple Seeds Third macOS Sierra 10.12.1 Beta to Developers

Apple today seeded the third beta of an upcoming macOS Sierra update to developers for testing purposes, nearly one week after seeding the second beta and two weeks after releasing the new macOS Sierra operating system to the public.

macOS Sierra 10.12.1 beta 3 can be downloaded from the Apple Developer Center or through the Software update mechanism in the Mac App Store.

macossierra
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. Few outward-facing changes were discovered in the first two 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 third 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.

Related Forum: macOS Sierra

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Top Rated Comments

forerunnerg34 Avatar
100 months ago
Yes, but...
Score: 25 Votes (Like | Disagree)
blacktape242 Avatar
100 months ago
I wish i could unsee that.....


Sierra 10.12.1 on Late 2016 MacBook with Fusion 3D Touch trackpad.





Score: 12 Votes (Like | Disagree)
smacrumon Avatar
100 months ago
Sierra 10.12.1 on Late 2016 MacBook with Fusion 3D Touch trackpad.




Score: 5 Votes (Like | Disagree)
keysofanxiety Avatar
100 months ago
It's the one OS Apple makes that isn't designed for babies or really old people, the two target groups who get confused by a real file management system
There was a time when people said similar things about a graphical operating system.

And there are plenty of people whose iPads help them to achieve incredible work. Industries such as science, medicine, graphic design — you know, those industries that are dominated by babies and really old people.
Score: 5 Votes (Like | Disagree)
jclo Avatar
100 months ago
in the last few betas I have seen zero difference or anything new or better, what are they actually changing
Presumably features that will be supported in the new MacBook Pro. It's meant to be sent off to the factory shortly to be installed on new machines.
Score: 4 Votes (Like | Disagree)
MrGimper Avatar
100 months ago
Going into courage overdrive.
Score: 4 Votes (Like | Disagree)