Software.com's product gives a nice overview over the history of merged PRs (non-merged ones are ignored if I read it correctly) <img width="1115" alt="Screenshot 2022-02-14 at 22 30 24" src="https://user-images.githubusercontent.com/55324905/153949644-d398350a-7dcb-4f90-b83d-a17866fbeb65.png">