nostr:npub13nfdp7p3pacqn6202q33sur4djeehf50xagxq3y3pchhzjptz7yqenvn7c is working on it for Satsigner
https://github.com/satsigner/satsigner/pull/223#discussion_r2105899397
This will allow:
Cross wallet multisig remote signing
cross wallet label synchronization