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The Death of the React Native Bridge: Moving from JSON to JSI in 2026

DEV Community: tutorial·Subrata Kumar Das·3 days ago
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#dev#import#native#react#bridge#fullscreen
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What is the Native Bridge? The React Native Bridge is a communication layer that allows the JavaScript thread and the Native threads (iOS/Android) to talk to each other. Because JavaScript and native languages (like Swift, Objective-C, Java, or Kotlin) cannot communicate directly, they require a middleman. The Bridge functions as a message broker. How it works: Serialization: JavaScript converts actions or data into JSON strings. Asynchronous Transport: The JSON payload is sent asynchronously across the bridge. Deserialization: The native side decodes the JSON and executes the requested platform action (e.g., rendering a view or accessing hardware). When is a Native Bridge Required? By default, React Native handles everyday components (like or ) and APIs automatically.…

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