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Canary releases

Docusaurus has a canary releases system.

It permits you to test new unreleased features as soon as the pull-requests are merged.

It is a good way to give feedback to maintainers, ensuring the newly implemented feature works as intended.

note

Using a canary release in production might seem risky, but in practice it's not.

A canary release passes all automated tests, and is used in production by the Docusaurus site itself.

Canary npm dist tag

For any code-related commit on main, the continuous integration will publish a canary release under the @canary npm dist tag. It generally takes up to 10 minutes.

You can see on npm the current dist tags:

  • latest: stable releases (example: 2.0.0-beta.0)
  • canary: canary releases (example: 0.0.0-1234+4a6de5cf7)
tip

Make sure to use the latest canary release and check the publication date (sometimes the publish process fails).

note

Canary versions follow the naming convention 0.0.0-commitNumber+commitHash.

Using a canary release

Take the latest version published under the canary npm dist tag (for example: 0.0.0-1234+4a6de5cf7).

Use it for all the @docusaurus/* dependencies in your package.json:

-  "@docusaurus/core": "^2.0.0-beta.0",
-  "@docusaurus/preset-classic": "^2.0.0-beta.0",
+  "@docusaurus/core": "0.0.0-1234+4a6de5cf7",
+  "@docusaurus/preset-classic": "0.0.0-1234+4a6de5cf7",

Then, install the dependencies again and start your site:

npm install
npm start

You can also upgrade the @docusaurus/* packages with a command line:

npm install --save-exact @docusaurus/core@canary @docusaurus/preset-classic@canary
caution

Make sure to include all the @docusaurus/* packages.

For canary releases, prefer using an exact version instead of a semver range (avoid the ^ prefix).