It seems that the Pull Request you mentioned is undefined, and I don’t have the details to summarize it effectively. To provide you with a summary suitable for an advanced developer, I would need specific information regarding the Pull Request, such as its title, description, the changes made, the purpose of those changes, any issues it addresses, and any relevant context related to the Thanos project.

If you can provide further details or context about the Pull Request, I would be happy to help create a summary!