During December 2025, George Kirok worked on the mlrun/mlrun repository, focusing on enhancing security within CI/CD workflows. He implemented a feature that replaced the use of standard GitHub tokens with GitHub App tokens in automated pipelines, leveraging YAML and GitHub Actions to reduce credential exposure. This change aligned the release process with modern DevOps security practices by enabling safer credential rotation and enforcing least-privilege access. Although the scope was limited to a single feature and did not involve bug fixes, the work demonstrated a targeted approach to improving auditability and compliance in CI environments through infrastructure-as-code techniques.