Next.js App Router

Next.js App Router is a server-centric routing system introduced in Next.js 13 that uses folder-based routing and React Server Components, replacing the traditional Pages Router with a more complex but potentially more performant architecture.

Available Pages

Troubleshooting

9/16/2025

Next.js App Router Migration: 47 Things That Break When You Migrate

Migrating to Next.js App Router? This guide covers 47 common breaking changes: next/router issues, 404s, auth, middleware, and production pitfalls. Fix your migration.

6 sections