It seems you’ve referenced an “undefined Pull Request” for the Thanos project, which indicates that there’s no specific information provided regarding the changes or objectives of the pull request.

Without the details of the pull request, I can’t generate a meaningful summary. If you can provide specifics such as the title, description, major code changes, or the purpose of the pull request, I would be able to help create a detailed summary for an advanced developer. Please provide more context!