Apple issues beta 3 of macOS Sierra to developers

By , Jul 18, 2016

wwdc 2016 macos sierra

In addition to iOS 10 and tvOS 10, Apple also released the third beta of macOS Sierra to developers on Monday. The update is available for registered Mac developers in either the Updates tab of the Mac App Store, or in Apple’s Dev center.

Today’s beta 3 release comes just about two weeks after Apple issued beta 2, and just a little more than a month after the original developer beta was made available. The software, of course, was first introduced during Apple’s WWDC keynote.

Though Apple chose this year to rebrand OS X to macOS, the update isn’t a monumental one. There are just a few major new user-facing features including Siri for Mac, Universal Clipboard support, and Picture-in-Picture support via Safari 10.

We are currently installing beta 3, and will be sure to report back with any notable changes. If you spot something we’ve missed, leave a comment below or emailus at

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  • Chris Wagers

    You guys probably just haven’t got it posted yet but watch OS 3 beta 3 is out too

  • Arturo Mercado

    That one isn’t out yet…

  • Any reported issues? I’m still waiting for the progress bar to end; stuck for a long time on the final leg. Normal?

  • :D

    Is there a way to move the picture-in-picture window to anywhere on the screen rather than just the corners?

  • Andrieux Querido

    Can we install this version, just like ios 10 w no Dev account?