Apple's AirPlay 2 went MIA in the latest developer beta releases. For those of you who've been following our recent first look at AirPlay 2 in the iOS and tvOS 11.3 betas, you may have to wait a little longer. In the latest developer iOS and tvOS 11.3 versions released yesterday, there is no sign of AirPlay 2 functionality. In our recent hands-on AirPlay 2, when working, delivered as promised. Allowing us to reliably stream to two Apple TV's from our iPad Air 2. However, it was clear that this was still work in progress and this may have caused Apple to take pause while it addresses any...
Source: https://www.gsmarena.com/apple_airplay_2_delayed-news-29714.php