If this where to happen, my guess is it’s the same as Mastodon and many other platrforms that are also microblogging!

For example, if you “mention” a community from Mastodon within a post the post will show up on that community. Here’s an example I just posted from Mastodon to Lemmy: https://geddit.social/post/183439

Few years ago I had Feddit.social as one of the first tihi! I closed at the time because of the trouble with the build-in filters that now have been removed and optional

They rlly need to gtfo of Ukraine…