It seems that the Pull Request you’re referring to is undefined or there’s no specific information provided about it. To create a summary for an advanced developer, I would typically expect key details such as the purpose of the Pull Request, the changes made, the rationale behind those changes, any related issues or discussions, and any potential impacts on the existing code or functionality.

If you can provide more details or a description of the Pull Request, I’d be happy to help you formulate a summary!