Last month, the RFC9421 has been released. This is a final evolution of the HTTP Message Signatures draft, that replaces the Signing HTTP Messages draft, that is currently implemented by peertube to sign JSON-LD payloads for ActivityPub communications.
I suppose this draft have been chosen for peertube to be at least compatible with Mastodon, that implements the very same version. After a quick read of the draft and the RFC, they appears to be very different, and I doubt an implementation of the draft would be compatible with the RFC.
Now that the spec has reached final state, I would like to ask the peertube dev team what are their intents about implementing RFC9421. Told differently, as of march 2024, to start building a software communicating with peertube via ActivityPub, should we implement the draft of the finale spec?