vue-next  3.1.5
About: Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web. Release 3.x.
  Fossies Dox: vue-next-3.1.5.tar.gz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

vue-next Documentation

Some Fossies usage hints in advance:

  1. To see the Doxygen generated documentation please click on one of the items in the steelblue colored "quick index" bar above or use the side panel at the left which displays a hierarchical tree-like index structure and is adjustable in width.
  2. If you want to search for something by keyword rather than browse for it you can use the client side search facility (using Javascript and DHTML) that provides live searching, i.e. the search results are presented and adapted as you type in the Search input field at the top right.
  3. Doxygen doesn't incorporate all member files but just a definable subset (basically the main project source code files that are written in a supported language). So to search and browse all member files you may visit the Fossies vue-next-3.1.5.tar.gz contents page and use the Fossies standard member browsing features (also with source code highlighting and additionally with optional code folding).

vue-next npm build status

This is the repository for Vue 3.0.


  • Via CDN: <script src=""></script>

  • In-browser playground on Codepen

  • Scaffold via Vite:

    # npm
    npm init @vitejs/app
    # yarn
    yarn create @vitejs/app
    # select vue template
  • Scaffold via vue-cli:

    npm install -g @vue/cli # OR yarn global add @vue/cli
    vue create hello-vue3
    # select vue 3 preset

Changes from Vue 2

Please consult the Migration Guide.

Also note: Vue 3 does not support IE11 (RFC | Discussion).

Supporting Libraries

All of our official libraries and tools now support Vue 3, but most of them are still in beta status and distributed under the next dist tag on NPM. We are planning to stabilize and switch all projects to use the latest dist tag in early 2021.


As of v4.5.0, vue-cli now provides built-in option to choose Vue 3 preset when creating a new project. You can upgrade vue-cli and run vue create to create a Vue 3 project today.

Vue Router

Vue Router 4.0 provides Vue 3 support and has a number of breaking changes of its own. Check out its Migration Guide for full details.


Vuex 4.0 provides Vue 3 support with largely the same API as 3.x. The only breaking change is how the plugin is installed.

Devtools Extension

We are working on a new version of the Devtools with a new UI and refactored internals to support multiple Vue versions. The new version is currently in beta and only supports Vue 3 (for now). Vuex and Router integration is also work in progress.

IDE Support

It is recommended to use VSCode. There are currently two viable extensions for Single-File Components (SFCs) support:

  • Vetur (recommended if you are used to Vetur features)
  • Volar (recommended if using TypeScript with SFCs, or <script setup> syntax)

TypeScript Support

  • All Vue 3 packages ship with types.
  • vue-tsc perform TypeScript type checks / diagnostics on Vue SFCs via the command line.
  • vue-dts-gen: generate TypeScript definitions from Vue SFCs.

Other Projects

Project NPM Repo
@vue/babel-plugin-jsx rc [GitHub]
eslint-plugin-vue stable [GitHub]
@vue/test-utils beta [GitHub]
vue-class-component beta [GitHub]
vue-loader beta [GitHub]
rollup-plugin-vue beta [GitHub]