During February 2026, Han Lueng focused on improving the stability and compatibility of the TanStack/form repository. He addressed a critical issue affecting Webpack builds for projects using React versions prior to 18 by implementing a safe fallback for the useId hook in TypeScript. This solution eliminated a compile-time error that previously blocked builds in legacy environments, ensuring that teams relying on older React versions could maintain their workflows without disruption. Han’s work enhanced the maintainability of the codebase and improved continuous integration reliability, demonstrating a strong command of React and front end development while prioritizing cross-version support and developer experience.