Yes and not in Safari yet either. Someday I hope that all parts of WebRTC can be replaced with smaller and better APIs like this. But for now we're stuck with WebRTC.

There was some traction & interest in https://github.com/w3c/p2p-webtransport but haven't seen any activity in a while now.

I'm pretty cocksure certain a whole industry of p2p enthusiasts would spring up building cool new protocols and systems on the web in rapid time if this ever showed up.

This a very early draft I'm following: https://wicg.github.io/local-peer-to-peer/