Apple Seeds macOS Sierra Beta 2


Following the launch of macOS Sierra Beta 1 three weeks ago, the company has officially released an all-new build macOS Sierra, macOS 10.12 Sierra Beta 2 build number 16A239j, to developers for download and testing.

macOS Sierra Beta 2 includes some new features as well a other improvements like:

  • Auto Unlock via Apple Watch is now available
  • Under-the-hood enhancements
  • Performance improvements
  • Other bug fixes
Reminder: Auto Unlock requires that your iCloud account have Two-Factor (not Two-Step) Authentication enabled and that your Mac be from 2013 or newer. iOS 10 and watchOS 3 are also required.

macOS Sierra Beta 2 is now rolling out as a free update through Software Update or via the Mac Dev Center for registered developers.