During July 2025, Giorgio Pellero focused on backend development for the IBM/sarama repository, addressing a critical issue in API version negotiation. He delivered a targeted bug fix that synchronized the API response header version with the clamped request header, directly improving the reliability of client-server communication across different API versions. Working primarily in Go, Giorgio applied his expertise in API development and HTTP header handling to reduce version-mismatch errors in production environments. His approach emphasized commit-based traceability, ensuring future regression coverage. The depth of this work lay in its precise alignment of protocol versions, enhancing cross-version interoperability without introducing new features.