This repro is intended to host the draft proposal and discussion around signaling for frame acknowledgement in RTP. A formatted doc can be found at https://sprangerik.github.io/frame-acknowledgement/draft-sprang-avtcore-frame-acknowledgement.html
The code here represents the latest state, and will then at some points be published as new versions of https://datatracker.ietf.org/doc/draft-sprang-avtcore-frame-acknowledgement/