Github issues are used to record github issues in public. When isses cannot be protected by patches or confirmed by unit tests, documentation is often updated, and the issues serve as public reminder of why preventative or corrective decisions were made.
https://github.com/nightscout/android-uploader/issues
https://github.com/nightscout/cgm-pebble/issues
https://github.com/nightscout/cgm-remote-monitor/issues