Lemmy Support

I'm trying to set up a personal Lemmy instance, and I've got it running but it doesn't seem to sync very well with posts and comments made before the instance was created. I ran [lemmony] (https://github.com/jheidecker/lemmony) to get the /all to work correctly and to start syncing communities, but now when I go to some communities and I look at the posts created before I subscribed to the community, they either don't show up or don't have the correct number of upvotes/comments. Also, when I search for communities, next to the community name is only the number of users from my instance subscribed, not the actual number of subscribers to the community. Is there a way to fix this?