> - When reviewing PRs and wanting to check out some surrounding code that is not part of the actual PR.

It's interesting to see how suitable is the IDE for code review for different people. For me, it's usually pretty much overload, since it's focused on writing, not reading. But GitHub is really doing a great job of eliminating the necessity of cloning the branch for the review.

I'm doing a few experiments in this area on a tool called Viezly (example: https://viezly.com/change_requests/3986). Its focus is on dependency and navigation. So it's a light version of IDE-in-the-cloud for these cases of code review.