After nearly a week, none seem to be accepting new members.
It’s just a UI bug. You’re subscribed. Probably doesn’t help lemmy has been overwhelmed by new users and activity.
Unfortunately it’s not a UI bug - the UI is correctly showing this message when the target instance has not confirmed your subscription. Most likely this is caused by an overwhelmed instance on one side of the federation.
Yes—I’m working on a Lemmy client and seeing the same behavior. What is showing in the Lemmy web app UI is exactly what’s being returned from Lemmy instances/servers at the moment. Trying to figure out how to display it better to users, but not a whole lot we can do about it right now.