I maintain a number of open source projects. Too often, something like this would happen:
So, I made Repominder to help OSS maintainers avoid this situation. Now when I forget about changes, I get a weekly email with diffs of affected projects. It also provides a badge showing the status of my projects (eg).
Feel free to sign up and monitor your own projects! It’s open source, and likely to remain free unless hosting becomes annoying.