Explore the challenges of handling asynchronous UX in highly responsive applications through this 21-minute conference talk from React Advanced 2021. Dive into the complexities of coding proper UX flows for async operations, addressing issues like progress indicators, empty states, side effects, field validation, and network issues. Learn strategies for managing blocking and nonblocking actions, preventing double submissions, and dealing with race conditions. Gain insights on creating seamless user experiences when introducing asynchronous code, ensuring your React applications remain responsive and user-friendly even during complex operations.