It seems that there is no specific information provided about the Pull Request (PR) for the Thanos project. To create a summary, I would need some details regarding the changes proposed in the PR, such as:

1. The main objectives or purpose of the PR.
2. Key features or functionalities being introduced or modified.
3. Any important fixes, enhancements, or refactoring included.
4. Relevant issues or discussions the PR addresses.
5. Impact on existing code, performance, or user experience.
6. Additional context regarding testing, documentation, or compatibility.

If you can provide any of this information, I would be happy to help you formulate a detailed summary!