It seems that the Pull Request you’re referring to is undefined or lacks specific details. To provide a meaningful summary for an advanced developer on the Thanos project, please include key elements such as:

• Title of the Pull Request: What is the main focus or feature being addressed?
• Description: What changes are proposed? What problem do they solve?
• Key Files/Lines of Code: Are there specific parts of the codebase that are significantly affected?
• Impact on the Project: How will these changes affect the functionality of Thanos?
• Testing: What kind of tests were conducted, and what were the results?
• Related Issues or Discussions: Does this pull request reference any existing issues, discussions, or feature requests?

If you can clarify or provide this information, I would be glad to help you create a concise and informative summary!