Upgrade Guide
Have a Nuxt 2 project to migrate? Use these guides to upgrade your Nuxt applications to Nuxt 3 or take the first step in that direction with Nuxt Bridge.
If you are already using Nuxt 3 and want to upgrade to the latest release or test new features before their release, head over to the Upgrading Nuxt 3 section.
Feature Comparison
In the table below, there is a quick comparison between 3 versions of Nuxt:
| Feature / Version | Nuxt 2 | Nuxt Bridge | Nuxt 3 |
|---|---|---|---|
| Vue | 2 | 2 | 3 |
| Stability | 😊 Stable | 😌 Semi-stable | Release candidate |
| Performance | 🏎 Fast | ✈️ Faster | 🚀 Fastest |
| Nitro Engine | ❌ | ✅ | ✅ |
| ESM support | 🌙 Partial | 👍 Better | ✅ |
| TypeScript | ☑️ Opt-in | 🚧 Partial | ✅ |
| Composition API | ❌ | 🚧 Partial | ✅ |
| Options API | ✅ | ✅ | ✅ |
| Components Auto Import | ✅ | ✅ | ✅ |
<script setup> syntax | ❌ | 🚧 Partial | ✅ |
| Auto Imports | ❌ | ✅ | ✅ |
| webpack | 4 | 4 | 5 |
| Vite | ⚠️ Partial | 🚧 Partial | ✅ |
| Nuxi CLI | ❌ Old | ✅ nuxi | ✅ nuxi |
| Static sites | ✅ | ✅ | ✅ |
Nuxt 2 to Nuxt 3
The migration guide provides a step-by-step comparison of Nuxt 2 features to Nuxt 3 features and guidance to adapt your current application.
Nuxt 2 to Nuxt Bridge
If you prefer to progressively migrate your Nuxt 2 application to Nuxt 3, you can use Nuxt Bridge. Nuxt Bridge is a compatibility layer that allows you to use Nuxt 3 features in Nuxt 2 with an opt-in mechanism.
Upgrading Nuxt 3
Latest release
To upgrade Nuxt 3 to the latest release, use the nuxi upgrade command.
npx nuxi upgrade