Browser/platform WebRTC capability flags.
List of supported audio codecs.
Whether setSinkId (audio output selection) is supported.
Whether getDisplayMedia is available.
Whether getUserMedia is available.
Whether insertable streams / encoded transforms are available.
Whether screen sharing is supported.
Whether screen share can include system audio (Chrome-only).
Whether simulcast is supported.
List of supported video codecs.
Whether the browser supports WebRTC at all.