Here is the change log:

• Works with Unity 5.6 WebGL now
• Update to WebRTC 56
• WebGL and native ICall and IMediaInterface supports now new methods: SetVolume, HasVideoTrack, HasAudioTrack
•  Android x86 is now supported
• Updated AndroidHelper.cs. It now includes functions to change volume or switch to IN_COMMUNICATION mode
  (to allow the user to change the volume via the volume keys)