Next.js 15 is now aligned with React 19, allowing seamless upgrades for both app router and Pages router. ⚛️
Next.js 15 introduces uncached default behaviors for getServerSideProps handlers and client-side navigation routes, providing developers more control over caching. ⚡️
TurboPack Dev is now officially stable in Next.js 15, offering up to 96% faster code updates and significantly reduced server startup times. 🚀
Self-hosting improvements in Next.js 15, including better cache control header management, enable finer-grained control over caching strategies for optimized performance on custom infrastructure. 🔧
Next.js 15 generates unguessable, non-deterministic IDs for Server Actions, enhancing security by limiting public access to only intended actions. 🔐
Support for TypeScript in the next.config.js file and automatic type safety for configuration options provide a smoother developer experience. 🧰
The new Next.js form component simplifies form handling with built-in client-side navigation, prefetching, and Progressive enhancement. 📝