Stable at 13.4
Next.js App Features
Config
File Conventions: Route Segment Config
Learn about how to configure options for Next.js route segments.
https://nextjs.org/docs/app/api-reference/file-conventions/route-segment-config
App router
Next.js App Router
A playground to explore new Next.js App Router features such as nested layouts, instant loading states, streaming, and component level data fetching.
https://app-router.vercel.app/
Component Patterns in Next.js 13
When it comes to building robust web applications, performance optimization is a crucial...
https://dev.to/niazmorshed2007/component-patterns-in-nextjs-13-1apg

Next.js 13.4
Next.js 13.4 moves App Router to stable, Turbopack to beta, and introduces experimental support for Server Actions.
https://nextjs.org/blog/next-13-4


Seonglae Cho