Precompiled React Native for iOS: Faster builds are coming in 0.81

React Native 0.81 introduces precompiled builds for iOS, developed through a collaboration between Expo and Meta, which significantly reduces compile times by up to 10 times in applications with minimal dependencies. This advancement, similar to the precompiled version used in Android, aims to address the time-consuming process of compiling React Native and its dependencies, ultimately leading to faster and more eco-friendly development experiences. The change involves precompiling both React Native and its third-party dependencies into an XCFramework, thus simplifying the build process by eliminating the need for developers to compile the same code repeatedly. The initiative aligns with the anticipated deprecation of CocoaPods in favor of Swift Package Manager and offers a glimpse into the future as developers are encouraged to adopt similar precompilation strategies for their libraries. This opt-in feature is expected to become the default in upcoming releases and sets the stage for further enhancements in build efficiency, particularly in brownfield apps and large projects, while maintaining the option for source code compilation for development and debugging purposes.

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