Tetiana Matviienko refactored the Table component in the JetBrains/ring-ui repository, focusing on enhancing type safety and maintainability. She removed the dependency on SelectionItem, enabling the component to support flexible item types and integrate with a wider range of data structures. This architectural improvement, implemented using React and TypeScript, reduced coupling and improved the codebase’s adaptability for future data-table features. By introducing safer type interfaces and updating documentation, Tetiana strengthened the foundation for scalable UI development. Her work addressed core code health and integration challenges, delivering a robust solution that facilitates smoother adoption of the Table component across diverse projects.