React Native Unistyles

react-native-unistyles is a high-performance, universal styling solution for React Native, designed to enhance developer experience and application performance across iOS, Android, Web, and Expo environments. It leverages a shared C++ core and JSI bindings, powered by Nitro Modules, to achieve styling without triggering unnecessary re-renders in the React tree. The library is currently stable at version 3.2.3, with a rapid release cadence addressing features and bug fixes. Key differentiators include its unique custom web parser supporting CSS classes and pseudo-classes, tight integration with React Native's Fabric and Shadow Tree for optimal rendering, and significant performance benefits, adding under 0.1ms to StyleSheet processing. It allows developers to share nearly 100% of styles across platforms in a monorepo setup, register multiple themes, and dynamically switch them with a single function call, all without introducing new components into the view hierarchy. This approach ensures a clean and efficient component tree.