It seems that there is no specific information provided about the Pull Request you mentioned for the thanos-io/thanos project. To create a summary, I would typically need details such as the objectives of the PR, the features or bug fixes it introduces, any relevant issues it addresses, changes in the code, and any implications for the project or its users.

If you can provide some context or key points about the Pull Request, I can help you draft a comprehensive summary for an advanced developer. Please include any relevant details such as the title, description, and major changes.