This feature tracks RTCPeerConnection methods getSenders(), addTrack(), removeTrack() and the essentials of interface RTCRtpSender.
Docs: https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/addTrack https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/getSenders https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/removeTrack