It seems that you’ve provided a placeholder “undefined” rather than the details of an actual Pull Request. To craft a summary tailored for an advanced developer, I would need more specific information about the Pull Request, including:

• The title and description of the Pull Request
• Changes made or features added
• Any issues or bugs addressed
• Testing or deployment notes
• Related discussions or context

If you can provide those details, I would be happy to help you create a comprehensive summary!