This Week In React #188: React 19 RC0, Data Fetching, Framer Motion, Compiler, Astro, Zod, Remix, Docusaurus, React-Query,, Memory Leaks, Spline, Module Mocking, Slow Networks, MS Edge, RN Security Gu

React 19 RC0 is nearing its final release, Data Fetching Patterns in Single-Page Applications is a long but great article, and there are multiple ways to build React Native apps with Expo.