Useful material to get to unders

1 Home Page of WebRTC https://webrtc.org/

2 Codelabs tutorial of WebRTC https://codelabs.developers.google.com/codelabs/webrtc-web/#0

3 Native SDK of WebRTC https://chromium.googlesource.com/external/webrtc/ (with ios/andriod/mac/win/linux demo)

4 Chrome https://en.wikipedia.org/wiki/Google_Chrome_version_history

5 Janus web site https://janus.conf.meetecho.com/

6 Forums https://webrtchacks.com  https://developers.google.com/web/updates/2019/01/rtcquictransport-api