The Past, Present and Future of Nitro - React Native Library Development
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Overview
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Explore the evolution and impact of Nitro in React Native development through this 23-minute conference talk from React Universe Conf 2025. Learn from Marc Rousavy, CEO at Margelo and creator of VisionCamera and MMKV, as he traces Nitro's journey from experimental JSI host objects to becoming the foundation for high-performance React Native libraries. Discover the challenges that led to Nitro's creation, including boilerplate complexity, threading issues, and crashes in early JSI implementations. Understand how Nitro addresses these problems through strong typing, thread safety, and automated code generation via Nitrogen. Examine practical applications of Nitro in bridging C++, Swift, and Kotlin seamlessly across popular libraries like react-native-filament, MMKV, and the upcoming VisionCamera migration. Gain insights into Nitro's expanding ecosystem including Nitro Image and other emerging projects, while exploring what the future holds for native module development in React Native.
Syllabus
Skip the intro ⏩ 0:39
Taught by
Callstack Engineers