Apple has released watchOS 2.2 beta 2 this afternoon, build 13V5108c, which requires iOS 9.3 beta.
Exactly two weeks ago, watchOS 2.2 beta was released for developers, as part of a major beta release day.
Earlier today, we saw the release of iOS 9.3 beta 2, which has added Control Center support upcoming Night Shift Mode. iOS 9.3 adds support for an iPhone to connect multiple Apple Watches.
Apple TV 4 customers also saw the release of tvOS 9.1.1, adding the Podcasts app today too.
Also, OS X El Capitan 10.11.4 beta 2 is available for developers as of this afternoon.