It seems that the Pull Request you referenced is described as “undefined,” which indicates that there may be missing context or details regarding the changes proposed in the PR. To provide a meaningful summary, I would need specific information about the changes, purpose, and any relevant discussions or code reviews that are part of the PR.

If you could provide details such as the key features, bug fixes, or enhancements included in the PR, as well as any relevant links or description from the Thanos GitHub repository, I would be able to create a comprehensive summary for you.