During December 2024, Yourong Cui focused on enhancing code maintainability and clarity across several open-source repositories, including cardano-scaling/hydra, kubernetes/kops, kubernetes/minikube, and status-im/status-mobile. Through targeted code refactoring and documentation improvements, Yourong improved the readability of Go and Haskell codebases by aligning function names and refining comments to accurately reflect implementation details. In hydra, documentation was streamlined for the API and node components, while in kops and minikube, internal function names and comments were updated for consistency. Markdown documentation in status-mobile was clarified and corrected, reducing onboarding friction and supporting future development with clearer, more maintainable code.