Next.js 15 Has a Free Full-Stack Framework: Server Components, Partial Prerendering, and Turbopack by Default

Next.js 15 is the biggest update since the App Router. Turbopack is now the default bundler. Partial Prerendering combines static and dynamic content. Server Actions are stable. The framework is faster, simpler, and more production-ready than ever. What's New in Next.js 15 Turbopack — default dev server bundler, 10x faster than webpack Partial Prerendering (PPR) — static shell + dynamic holes, one request Server Actions stable — form mutations without API routes Improved caching — fetch requests no longer cached by default React 19 — use() hook, async components, improved Suspense Turbopack — 10x Faster Dev Server npx create-next-app@latest my-app cd my-app && npm run dev # Turbopack is the default — no flag needed Metric Webpack Turbopack Cold start 4.2s 0.4s HMR (file change) 350ms 35ms Route change 800ms 80ms Partial Prerendering — Static + Dynamic in One Request // app/products/page.tsx import { Suspense } from " react " ; // This component is STATIC — prerendered at build time fun