During March 2025, Antonio Jimenez Nieto enhanced the typelevel/cats-effect repository by improving the in-code documentation for the Metrics API within PollingSystem.scala. He focused on clarifying the metrics() method, providing detailed explanations of the available metric types, such as counts for various operations and outstanding or total operations. This work, implemented in Scala, emphasized code clarity and documentation, making the API more accessible for developers and supporting faster onboarding. By prioritizing observability and commit traceability, Antonio’s contribution enabled more reliable dashboard integration and clearer monitoring guidance, addressing a key need for maintainable and understandable code in the project.