很高兴知道：从 Next.js 13.4 开始不再需要此选项。App Router 现已稳定。

¥Good to know: This option is no longer needed as of Next.js 13.4. The App Router is now stable.

应用路由 (app 目录) 支持 layouts、服务器组件、streaming 和 并置数据获取。

¥The App Router (app directory) enables support for layouts, Server Components, streaming, and colocated data fetching.

使用 app 目录将自动启用 React 严格模式。了解如何 逐步采用 app。

¥Using the app directory will automatically enable React Strict Mode. Learn how to incrementally adopt app.