Using libraries can significantly improve the quality of code and reduce the development time by providing efficient solutions for shorter code, automatic updates, and faster shipment of UI features. In 2022, ReactJS is often used with other libraries, such as MobX and Redux, for state management; middleware libraries Redux-Saga and Redux-Thunk asynchronous requests optimization, and component libraries Material UI, Ant Design, and React Bootstrap, which provide modern ready-to-use components for flawless user interfaces.