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React 18 Features That Every Developer Should Know

By Terabytecode2025-12-055 min readTrending
#React#JavaScript#Frontend#Performance

Concurrent Features

React 18 introduces concurrent rendering, allowing React to work on multiple tasks simultaneously and prioritize urgent updates.

New APIs

  • useTransition for non-urgent state updates
  • useDeferredValue for deferring re-renders
  • startTransition API for marking updates

Performance Improvements

Automatic batching reduces the number of renders, improving performance in complex applications.