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Technical insights from building React and React Native production-grade apps, contributing to core libraries, and solving complex cross-platform challenges.

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React Native
7/10/2025

Announcing Node-API Support for React Native

Node-API brings a stable, cross-platform system for building native modules in React Native, enabling faster builds, easier maintenance, and broader language support. Already widely used in Node.js, Deno, and Bun, it allows native code to interface with JavaScript in a runtime-agnostic way. This makes it possible to distribute prebuilt binaries, reuse existing native libraries, and share code across ecosystems. With support for languages like C++, Rust, and Swift, Node-API opens the door to building high-performance modules for tasks like AI, encryption, and platform API access, all without being tied to specific runtime internals.

Kræn Hansen

Software Engineer

@

MongoDB

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CI/CD
6/19/2025

Caching React Native Builds on S3 and R2 With RNEF

One of the core reasons we built RNEF (React Native Enterprise Framework) was to eliminate unnecessary native iOS and Android builds by reusing existing artifacts: saving time, compute, and cost. Until now, remote caching was tied to GitHub, which limited flexibility. The latest release changes that: RNEF now supports AWS S3 and Cloudflare R2, allowing teams to store and retrieve native builds from their own infrastructure. This unlocks a much more powerful setup for enterprise teams with custom CI or compliance needs.

Michał Pierzchala

Principal Engineer

@

Callstack

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