The company also released macOS Sierra 10.12.3 beta 3 (build 16D25a), watchOS 3.1.3 beta 2 (build 14S959) and tvOS 10.1.1 beta 2 (build 14U711) are now available for testing to the members of Apple Developer Program and can be installed over-the-air via the Software Update mechanism on devices that have an appropriate configuration profile installed on them.
If you discover anything, let us know in the comments. We’ll update this article with any new features found.
Apple has officially seeded developer beta 3 of iOS 10.2.1. The first developer beta did not have any major forward-facing new additions to the mix. With the minor point upgrade, Apple is focusing on fixing any issues discovered since the public release of iOS 10.2, as well as boosting overall performance.