For future reference, the team has just published the retrospective for the first phase of the Protocol SPE, officially bringing Phase 1 to a close: Protocol R&D SPE: Retrospective Phase 1.
If you have any questions or feedback, please leave a comment on the forum post.
Further updates on Phase 2 will be shared here: https://forum.livepeer.org/t/proposal-protocol-r-d-special-purpose-entity-continuation/3258.