Also, isolated to me or a tiny subset of users - the only way to sign in is with a OTP sent via SMS. The delivery is very spotty for my carrier for some unknown reason (other services can deliver fine). So like right now, I can't log in and have to wait until they quietly restore delivery.
It's unfortunate because the stability of the Clubhouse app is far better than Twitter Spaces. A group I'm with has spent promoting events and it's embarrassing and annoying to have the Twitter Space unexpectedly end for everyone if the app of the "host" crashes.