nextjs

Next.js 15 shipped in October 2024 and made the App Router the official default for new projects, stabilized Turbopack for development builds, and introduced async request APIs that changed how developers access cookies, headers, and search parameters. Next.js 16 (October 2025) extended Turbopack to production. This guide covers the concepts, architecture decisions, and practical trade-offs of the Next.js 15 era, which remains the most widely deployed major version.

v0 by Vercel is an AI-powered UI generator that builds Next.js + Tailwind + shadcn/ui code from natural language prompts.

The Vercel AI SDK is a TypeScript toolkit for building LLM apps with React, Next.js, Svelte, and Vue. Unified API, streaming, tools, structured outputs.

Next.js is a framework built on React, not a rival. What each does, Server Components, App vs Pages Router, and when to pick which, per the official docs.