The App Router (Next.js 13+) uses file-system routing with layouts, loading.tsx, error.tsx, and template.tsx conventions. It natively supports React Server Components, streaming, parallel routes, intercepting routes, and Server Actions for mutations. Route groups organize code without affecting URLs.
The 5-Mode Loop
5 of 5 modes available
Read · See · Animate · Test · Build
Before this, understand: server components