Meta threads will open federation to the fediverse soon, and while this is mainly to mastodon it will still affect lemmy. They are acting like they won’t be evil, but let’s be real this is Facebook when have they ever done that.
This article which has been trending lately explains some of the issues. https://ploum.net/2023-06-23-how-to-kill-decentralised-networks.html
This comment here is a simple analogy if you can’t be bothered reading the article. https://lemmy.ca/comment/5702922
I presume this will be the case, but don’t think there’s been any official announcement yet. The majority of current servers have planned to resist by defederating.