Next.js 16 Complete Guide Purpose Comprehensive reference for Next.js 16's revolutionary features: Cache Components with "use cache", stable Turbopack as default bundler, proxy.ts architecture, DevTools MCP integration, and React Compiler support. When to Use - Starting new Next.js projects (use 16 from day one) - Migrating from Next.js 15 to 16 - Understanding Cache Components and Partial Pre-Rendering (PPR) - Configuring Turbopack for optimal performance - Migrating middleware.ts to proxy.ts - Leveraging AI-assisted debugging with DevTools MCP - Setting up React Compiler for automatic memoi…