alt Hacker NewsIf I understood correctly, the same can be done on VS Code with the github plugins (for github PRs)
It's pretty straightforward: you checkout a PR, move around, and either make some edits (that you can commit and push to the feature branch) or add comments.
Good to know about its existence. I think I'll have to do my own sleuthing though, since I'm a (neo)vim user who dislikes GitHub.