--- title: "Nextra 4 x App Router. What's New and Migration Guide (The Guild)" url: https://daily.dev/posts/nextra-4-x-app-router-what-s-new-and-migration-guide-the-guild--p1kfcebnj source_url: https://the-guild.dev/blog/nextra-4 type: article source: "The Guild" published: 2025-01-13T10:39:54.768Z updated: 2025-01-13T10:40:10.669Z tags: ["webdev", "nextjs"] reading_time: 35 upvotes: 5 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Nextra 4 x App Router. What's New and Migration Guide (The Guild) **[The Guild](https://daily.dev/sources/guild)** · 35 min read · 5 upvotes · 0 comments ## Summary Nextra 4 introduces significant updates including exclusive support for Next.js App Router with new MDX rendering conventions, Turbopack support for faster bundling, and a switch to the Rust-powered Pagefind for search engine. It also removes theme.config support, necessitating configuration changes. The update optimizes bundle sizes, adds server component i18n support, and enhances components using React Compiler. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#webdev](https://daily.dev/tags/webdev), [#nextjs](https://daily.dev/tags/nextjs) [View this post on daily.dev](https://daily.dev/posts/nextra-4-x-app-router-what-s-new-and-migration-guide-the-guild--p1kfcebnj)