React's Concurrent Rendering: Interruptible UI Updates
Concurrent Rendering lets React pause and resume rendering, so a large update won't freeze the UI. It's like a chef pausing a big task to handle a quick order, ensuring the app stays responsive. This is key for features like Suspense.
Concurrent Rendering is React's engine update that makes rendering interruptible. Instead of one long, blocking task, React can pause a large render to handle urgent updates like user input, then resume later. This prevents the UI from freezing during heavy operations and is the foundation for modern features like Suspense and transitions, enabling fluid applications. The footgun is thinking you need to manage concurrency directly; it's an opt-in mechanism enabled by using specific React APIs.
Read the original → react.dev
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