Next.js 16.2, unstable_catchError, next-forge 6, React's Rust Compiler, AI Elements 1.9, Banning useEffect

Next.js 16.2 This release is packed with performance improvements, better debugging tools, and AI-focused features: ~400% faster dev startup – localhost:3000 is ready much quicker during next dev 25-60% faster rendering – a smarter JSON parsing approach speeds up Server Components payload deserialization Redesigned 500 error page – cleaner built-in fallback page for production errors Server Function logging – dev terminal now shows function name, arguments, and execution time Hydration diff indicator – error overlay clearly labels server vs. client content mismatches --inspect for next start – attach a Node.js debugger to your production server 200+ Turbopack fixes – including SRI support, postcss.config.ts , and Server Fast Refresh AI improvements – AGENTS.md in create-next-app , browser log forwarding, and experimental next-browser If you wanna get these updates in your inbox every week, just subscribe to the newsletter 📙 Articles / Tutorials / News unstable_catchError() The Next.js