As well as releasing the new iOS 11.4 beta 2, Apple also released watchOS 4.3.1 bets 2 and tvOS 11.4 beta 2.
The new Apple watchOS 4.3.1 beta 2 is now available for developers, there do not appear to be any major new features in the OS. As we heard previously the new Apple Watch OS has started to warn users that older apps will no longer work in the future.
Apple also released their new tvOS 11.4 beta 2 for the Apple TV to developers, this comes with some new features, including the ability to turn the Apple TV into an AirPlay 2 speaker with brings support for multi-room AirPlay.
As yet there are no details on when these new versions of watchOS 4.3.1 and tVOS 11.4 will be released for everyone. We are not expecting a release of the software this month, the updates will probably land some time in May.
Source 9 to 5 Mac