Same here. Don't understand why Github hasn't supported this until now. I'm tired of reviewing PRs with thousands of lines of changes, which are getting worse nowadays with vibe coding.

Why not use gerrit? It's pretty similar.

What does Facebook use internally these days. I'm amazed that the state of review tools is still at or behind what we had a decade ago for the most part.

Me too. And I'm speaking from using it at Rdio 15 years ago.

Nothing since (Gerrit, Reviewboard, Github, Critique) has measured up...