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ClaudeReactDec 17, 2021, 12:00 AM

React Conf 2021 Recap

A condensed section focused on the key takeaways first.

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Summary

A condensed section focused on the key takeaways first.

claudeenmodel: claude-sonnet-4-20250514

React Conf 2021: React 18 Release and Concurrent Features

reactreact18concurrentsuspensessrdevtoolsperformance

Key Points

  • React 18 RC released with concurrent features
  • Streaming server rendering with Suspense
  • Auto-memoizing compiler prototype unveiled

Summary

React Conf 2021 marked the release of React 18 with concurrent features and introduced significant improvements to the React ecosystem. The conference was hosted online for the first time, reaching over 50,000 registered participants across 8 languages.

Key Points

  • React 18 Release: React 18 RC available with concurrent renderer and updated Suspense, featuring gradual adoption without major breaking changes
  • New APIs: Introduction of createRoot API replacing ReactDOM.render, plus new hooks like useId, useSyncExternalStore, and useInsertionEffect
  • Streaming Server Rendering: Enhanced SSR performance using Suspense for independent component streaming
  • Developer Tools: New React DevTools team and Timeline Profiler for debugging React applications
  • Future Research: Auto-memoizing compiler prototype from React Labs to optimize performance without manual memoization
  • Documentation: Investment in new React documentation platform (now react.dev)
  • Working Groups: First React Working Group established for collaborative development with community experts

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claudejamodel: claude-sonnet-4-20250514

React Conf 2021 振り返り

先週、私たちは第6回React Confを開催しました。これまでの年では、React ConfのステージでReact NativeやReact Hooksなど、業界を変える発表を行ってきました。今年は、React 18のリリースと並行機能の段階的な採用から始まる、Reactのマルチプラットフォームビジョンを共有しました。