Kostrows worked on the kubernetes/enhancements repository, focusing on documentation management and milestone governance for Kubernetes Enhancement Proposals. Over two months, they updated KEP YAML files to accurately track milestone progression, such as advancing KEP-3926 from v1.34 to v1.35, which improved release planning and stakeholder transparency. Their approach emphasized traceability by linking changes to specific Git commits, ensuring reproducibility and clear documentation. Using YAML and documentation management skills, Kostrows maintained up-to-date milestone statuses, reducing the risk of miscommunication during releases. The work was targeted, with no bug fixes, and demonstrated depth in process improvement and administrative documentation within Kubernetes.