Apple Seeds macOS Sierra 10.12.3 Beta

Following the recent release of macOS Sierra 10.12.2 to the public, the company has officially launched an all-new build of its latest and greatest computer operating system, macOS Sierra 10.12.3 Beta build number 16D12b, to developers for download and testing.

Similar to recent beta releases, the first beta build of macOS Sierra 10.12.3 is also a minor update featuring:

  • Under-the-hood enhancements
  • Performance improvements
  • Other bug fixes
macOS Sierra 10.12.3 Beta is now rolling out as a free update through Software Update or via the Mac Dev Center for registered developers.