GitHub's built-in dashboards are still in public preview and honestly pretty limited. Meanwhile, when the legacy Copilot Metrics API sunsets on April 2, 2026 many existing external dashboards stop working, because they weren't updated for the new REST API in time.
To anticipate the change, we've built our own and open-sourcing it under MIT license. The dashboard tracks "interaction turns", amount of changes created in codebase by each developer, overall activity and much more.