New Capabilities in React Native
summary
React Native replaces the JSON bridge with JSI memory sharing so JavaScript and native run synchronously, avoiding costly serialization and enabling concurrent React APIs. A live demo runs on-device face detection and a face-blur demo where the blur reliably tracks faces (previous bridge attempts overheated CPUs). LayoutEffect now lets tooltips render in one pass instead of two. New architecture moves from experimental to beta; enable with new_arch_enabled in gradle.properties or RCT_NEW_ARCH_ENABLED for iOS, Expo SDK 51 supported.
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