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Ruby

How json2vars-setter handles Ruby, and how the example workflow provisions it.

json2vars-setter integration

Item Value
Matrix JSON key versions.ruby
Action output versions_ruby
Dynamic-update strategy input ruby-strategy (stable / latest / both)
Version source see Version Sources

Supported runners

The example matrix runs on Ubuntu / Windows / macOS:

ubuntu-latest, windows-latest, macos-latest

Any GitHub-hosted runner the setup action supports also works - the OS list is just the os array in your matrix JSON.

Supported versions

Example matrix (what the example workflow runs):

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{
  "versions": {
    "ruby": [
      "3.3.6",
      "3.3.7",
      "3.4.0",
      "3.4.1",
      "3.4.2"
    ]
  }
}

Latest values tracked by the dynamic-update tooling (auto-refreshed from the release APIs into the version cache):

Field Version
stable 3.3.11
latest 3.4.9

Cache last updated: 2026-06-24T12:28:39.850107.

Setup action (example workflow)

ruby_test.yml provisions Ruby with the matrix value json2vars-setter produced:

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- name: Set up Ruby
  uses: ruby/setup-ruby@v1.321.0
  with:
    ruby-version: ${{ matrix.ruby-version }}
    bundler-cache: true
    working-directory: './examples/ruby'

References