The release notes for AirServer Universal for Windows 7/8.1/10:

Version 5.5.5

  • Fixed Miracast to allow more than one connection at the same time.
  • Fixed Miracast on older Windows 10 versions.
  • Improved Google Cast discovery.
  • Improved overall performance.

Version 5.5.4

  • Fixed Miracast receiver on systems running Windows 10 - 1809 or newer.
  • Enabled Miracast over infrastructure security.
  • Added Miracast over infrastructure PIN support.

The complete release note history can be seen on our website.