GitHub: I'm coming from bitbucket where the PRs are... sane. I want a single view with the diff and online comments that nest, which allow for traversable conve

GitHub: I'm coming from bitbucket where the PRs are... sane. I want a single view with the diff and online comments that nest, which allow for traversable conversations​. The new GH review process is logically impenetrable. Bitbucket has native LGTMs (approves) without having to click the "Files" tab, the "Review" button, the "approve" radio option, then "Okay".