macOS Sierra 10.12.1 Developer Beta 1 Now Rolling Out

Following today’s release of the first beta of iOS 10.1, Apple has begun seeding developers with the first build of macOS Sierra 10.12.1 for testing. This comes just one day after the initial rollout of macOS Sierra began.

So far, nothing but bug fixes and security improvements have been found within Sierra 10.12.1, however that’s not stopping devs from scouring through the latest beta for Mac. Therefore, if you notice anything new or different within 10.12.1, email us at and we’ll check it out.

To install macOS Sierra 10.12.1 on your registered Mac, head over to the “Updates” tab in the App Store and check for updates. There, you’ll find the new build ready to install. Just click the “Update” next to the macOS Sierra 10.12.1 Beta 1 listing and restart your Mac. The process may take a little while as the update package weighs a good hefty amount, so be patient and don’t turn off your Mac manually if you don’t have to.