TanStack Query (React Query) Skill Summary TanStack Query (formerly React Query) is a powerful asynchronous state management library for React that handles server-state fetching, caching, synchronization, and updates. It eliminates the need for manual data fetching boilerplate and provides built-in features like background refetching, optimistic updates, pagination, and intelligent cache management. When to Use Use TanStack Query when: - Fetching data from REST APIs, GraphQL, or tRPC endpoints - Need automatic background refetching and cache invalidation - Building real-time dashboards with p…