Basically, during the short stints where lemmy.ml is actually able to function, it sends out all posts & comments. Those posts & comments are cached on every subscribed server.

This means that sh.itjust.works can interact with !lemmy@lemmy.ml, post, comment, vote, but none of it is synced back with lemmy.ml until it recovers again. We’re communicating on the cached version on sh.itjust.works right now.