I just noticed when I go to hexbear communities on lemmy.sdf.org that most of the posts are missing. Is this some federation decision I missed or a technical issue?
federation is weird. lemmy doesn't sync all posts when you federate, it only fetches communities when someone specifically searches for them and even then it only grabs the last 20 posts when it does that. i think there are bots to automate syncing comms/maybe post backlogs too, some maybe even usable as an end user
I tried to unsubscribe and re-subscribe thinking maybe that would 'fix' it, but now its stuck in a subscribe pending state which may be worse, I don't know
if you can give a specific example I can look at it and bug the admins with my findings but I'm guessing its just relatively low-activity comms that haven't had any of their backlog synced over (lemmy only syncs like 20 posts per comm by default, and all new posts after that point should also sync)