The release notes for AirServer for Surface Hub:

Version 2.6.0

  • 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.