GitHub actually already sort-of has that with their "Suggested reviewers": https://help.github.com/articles/requesting-a-pull-request-review/ https://help.gith

GitHub actually already sort-of has that with their "Suggested reviewers": https://help.github.com/articles/requesting-a-pull-request-review/ https://help.github.com/articles/requesting-a-pull-request-r... > You can request a review from either a suggested or specific person. Suggested reviewers are based on git blame data.