So I've had a bit of time to play around with ⁨0.15.0, and I'm still noticing some federation issues:

Posts, comments, and communities don't seem to federate with Mastodon or Rebased (need to test Rebased some more; new posts seem to federate there, but only from communities that have previously federated with the Rebased instance)

Communities don't seem to federate with other Lotide instances

These won't keep me from using Lotide at all, but there seems to be some major federation issues that need to be ironed out.