Yup. it's going to be a bit longer, no one has implemented anything double ratchet yet. But hopefully we'll move to MLS as the standard.
nostr:npub1zuuajd7u3sx8xu92yav9jwxpr839cs0kc3q6t56vd5u9q033xmhsk6c2uc is currently writing a NIP with MLS, which is kind of a upgraded double ratchet that can be used with larger groups. No clients have it yet AFAIK.
Yup. it's going to be a bit longer, no one has implemented anything double ratchet yet. But hopefully we'll move to MLS as the standard.