We’ve built a generic way to ensure that high-priority updates don’t get blocked by a low-priority update. We call this time slicing. If my device is fast enough, it feels almost like it’s synchronous; if my device is slow, the app still feels responsive. We’ve also built a generic way for components to suspend rendering while they load async data. We call this feature suspense. You can pause any state update until the data is ready, and you can add async loading to any component deep in the tree without plumbing all the props and state through your app and hoisting the logic.
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