macOS Sierra 10.12.6, watchOS 3.2.3 and tvOS 10.2.2 are mostly bug-fix updates without new user-facing features, but you should install them anyway to improve the performance and security of your devices.
tvOS 11 beta 3 can now be installed on your fourth-generation Apple TV, provide you’re Apple’s registered developer. Regular users can take tvOS 11 betas for a spin by signing up for Apple’s public beta-testing program.
Apple just seeded the latest betas of the upcoming iOS 10.3.3 and tvOS 10.2.2 point updates. The new betas are available to registered developers and can be installed on devices used for development via the Software Update mechanism.
If you didn’t have the time to work through a plethora of details regarding yesterday’s news, just block five minutes of your time and watch our video walkthrough of the top six WWDC 2017 announcements that you should know about.