The release notes for AirServer for Surface Hub:

Version 2.6.6 (30/01/2020)

What's new:

  • Added support for non-DRM video playback from Apple TV iOS app.

Resolved issues:

  • Fixed Google Cast discovery issues

Version 2.6.0-2.6.5

  • AirServer settings are now stored in the cloud and are automatically retrieved upon re-launch. 
  • Added keyboard, mouse and touch back-channel support for Miracast, across multiple connections. 
  • AirServer no longer conflicts with the Miracast background service if the built-in hotspot is disabled. 
  • Improved YouTube video playback over AirPlay.