"Currently, Threads accounts do not see individual likes on their federated posts, instead getting a notification that says ‘4 fediverse users from 3 servers liked this post’. According to Mastodon CTO Renaud Chaput, Threads cannot use profile info from fediverse accounts on Threads yet because they are not allowed to do so yet by their Legal department."

h/t nostr:npub1qu2fnvx22kze5u8xj5sdamgnh46z57jhcncpewkkvvtttuakd4ns6puj0d