It seems you’ve referenced an “undefined” Pull Request for the Thanos project, but without specific details or context regarding its content, changes, or purpose, I’m unable to provide a summary.
To assist you better, please provide information such as the key changes proposed in the Pull Request, the motivations behind those changes, any relevant issues it addresses, and any specific files or lines of code that are particularly important. This way, I can create a meaningful summary that conveys the essential aspects of the Pull Request.