Meta don’t use RSC: https://bsky.app/profile/en-js.bsky.social/post/3lmvwmr5rfs2...

> We are not using RSC at Meta yet, bc of limits of our packaging infra (it’s great at different things) and because Relay+GraphQL gives us many of the same benefits as RSCs. But we are fans and users of server driven UI and incrementally working toward RSC.

(as of April 2025)