Skip to content
| Marketplace
Sign in
Visual Studio Code>Programming Languages>Unison LanguageNew to Visual Studio Code? Get it now.
Unison Language

Unison Language

Unison Language

|
2,648 installs
| (2) | Free
Official extension for unison language support
Installation
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
Copied to clipboard
More Info

Unison for Visual Studio Code

Official editor support for the Unison language.

Provides syntax highlighting and Language Server support.

Features

Learn about features here.

Requirements

This plugin requires the UCM (Unison Codebase Manager).

Installing

Follow the instructions in your editor to install from either:

  • VSCode Marketplace
  • Open VSX

Extension Settings

The default settings are configured for you, so there's no need to make changes. If you'd like to override the defaults you can do so with the following options:

{
  // The port where UCM is serving the language server
  "unison.lspPort" = 5757
}

Release Notes

See the CHANGELOG for updates.

Development

  • Run the build in watch mode in a separate terminal: npm start
  • Open the project in VS Code: code .
  • Press F5 to load the extension into the VS Code extension host.

Publishing new versions

  1. Update the version in package.json.
  2. Commit the changes, and tag the commit, e.g. git tag 1.2.1 <sha>
  3. Push the changes and the tag to GitHub, e.g. git push --tags
  4. Create a new release on GitHub for that tag
  5. Github Actions will build and publish the extension to Open VSX and the VSCode Marketplace.
  • Contact us
  • Jobs
  • Privacy
  • Manage cookies
  • Terms of use
  • Trademarks
© 2025 Microsoft