K. Le contributed to the element-plus/element-plus repository by upgrading the @popperjs/core dependency to version 2.11.8, focusing on improving compatibility and stability for UI positioning components. Leveraging JavaScript and TypeScript, K. Le enhanced type safety by exporting Popper.js types from index.d.ts, which benefits downstream TypeScript consumers and reduces potential runtime and type errors. The work emphasized careful dependency management, aligning build improvements with type enhancements to support smoother adoption for TypeScript users. Although the contribution spanned one feature over a month, it demonstrated a methodical approach to maintaining build integrity and supporting future Popper.js-based features within the project.