The WebRTC Native Code package is meant for browser developers who want to integrate WebRTC. Application developers are encouraged to use the WebRTC API instead.
The WebRTC native code can be found at https://webrtc.googlesource.com/src.
The change log is available at https://webrtc.googlesource.com/src/+log
The WebRTC issue tracker can be used for submitting bugs found in native code.