It’s enabled by the more complex bech32 ids like nprofile and nevent because they can contain embedded relay information.
Clients that handle it can then use that info to manually fetch from the note authors relay.
I don’t think many clients fully implement this yet though. Because it’s pretty complicated.
nostr:npub1jlrs53pkdfjnts29kveljul2sm0actt6n8dxrrzqcersttvcuv3qdjynqn does coracle?