Apple Releases macOS Sierra 10.12.1 Beta 3

Following the release of macOS Sierra 10.12.1 Beta 2 just one week ago, the company has officially launched a brand new build of its latest and greatest computer operating system, macOS Sierra 10.12.1 Beta 3 build number 16B2338c, to developers for download and testing.

Similar to previous beta releases, the third beta build of macOS Sierra 10.12.1 is also a minor update featuring:

  • Under-the-hood enhancements
  • Performance improvements
  • Other bug fixe
Reminder: Apple has began making macOS Sierra an automatic download starting today for those running OS X El Capitan in order to encourage them to update. However, macOS Sierra will not be installed until users give it permission to to so.

macOS Sierra 10.12.1 Beta 3 is now rolling out as a free update through Software Update or via the Mac Dev Center for registered developers.