iOS 11.3 and tvOS 11.3 Introduce Support for AirPlay 2

The new developer betas of iOS 11.3 and tvOS 11.3 introduce AirPlay 2 features, allowing for multi-room music playback on Apple TVs using your iPhone.

With iOS 11.3 installed on an iOS device and tvOS 11.3 installed on one or more fourth or fifth-generation Apple TVs, you can use AirPlay 2 to stream music to multiple devices at the same time.

Source: iOS 11.3 and tvOS 11.3 Introduce Support for AirPlay 2

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