As I understand it, Meta has a phased rollout plan regarding ActivityPub. Its efforts today are little more than effectively reposting a few Threads accounts to ActivityPub, but it will start adding features for tighter integration throughout the course of next year. https://www.threads.net/@zuck/post/C0zXcQmxO77/?igshid=NTc4MTIwNjQ2YQ%3D%3D