Juan Hoyos focused on enhancing security and compliance in the files-community/Satori repository by updating the diagnostic signing certificate pipeline. He reconfigured the release workflow to use the Microsoft Code Signing PCA 2024 issuer, ensuring that release artifacts are validated against the latest standards. Working primarily with YAML and leveraging his expertise in CI/CD and certificate management, Juan validated the end-to-end artifact signing process to reduce potential validation failures in production. His work demonstrated a methodical approach to release engineering, emphasizing robust pipeline configuration and secure certificate handling. Over the month, he addressed a critical bug, improving the reliability of release automation.