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Explore how Meta's engineering team rebuilt React's architecture and discover the future of cross-platform development in this 33-minute conference talk featuring Nicolas Gallagher from Meta. Gain insights into the evolution from rebuilding Twitter.com to developing React Strict DOM, Meta's solution for unified Web and Native development that eliminates translation layers and solves CSS encapsulation challenges. Learn about the origins of the CSS-in-JS movement, the vision behind React Native for Web, and how universal apps like Bluesky are shaping the development landscape. Understand why Web Components lack true encapsulation and how React Strict DOM addresses CSS loading order chaos while providing a resilient framework for AI-powered coding environments. Discover how Meta quantifies framework success by measuring saved development years and examine real-world case studies including the context behind Airbnb's widely-discussed article. Explore the transition from manual optimization to automated performance through the React Compiler, the mathematical shift from class components to hooks, and how future hook abstractions will align with human thinking patterns. Delve into Meta's approach to brownfield applications that mix native and React components, the critical role of Expo in React Native's ecosystem, and Meta's open source strategy for sharing React Strict DOM. Gain perspective on leadership transitions from individual contributor to technical director, the importance of coding in diverse environments, and practical advice for embracing cross-platform development in the next five years of bringing DOM APIs to native platforms.
