ci: improve workflows

[luc122c]

🔗 Linked issue

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Hi, there are a few improvements that can be made to the workflows.

ubuntu-slim runner

Use ubuntu-slim for pr-labeler.yml, reproduction.yml, reproduire.yml, and stale.yml. The runner readme provides more info about the tools and the blog post gives some potential use cases.

persist-credentials: false

Use persist-credentials: false on every actions/checkout in module.yml, release.yml, and reproduire.yml (none of the jobs perform subsequent git operations — pnpm release --publishOnly in release.yml doesn't touch git). See usage for more info.

parallel keyword

Use parallel for independent steps in module.yml and release.yml

GitHub Actions announced the parallel keyword — syntactic sugar that groups independent steps to run concurrently within a single job, then waits for all of them before continuing. See the workflow syntax docs for the full reference.

Concurrency

Add concurrency to the PR-triggered workflows so a new push cancels the previous in-flight run of the same workflow. module.yml uses the || github.ref fallback to keep per-branch grouping for push events, while still cancelling on PRs.

Consolidate module builds

In module.yml, each build was defined separately, but all shared an identical workflow. We can use the matrix to just swap in the template and make the job easier to read and understand. I've kept the playground job separate as it uses pnpm install --ignore-workspace and has extra env variables set.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

Related

• chore: improve actions .github#41
• chore: improve actions #2 .github#42
• ci: improve actions workflows nitrojs/nitro#4388
• ci: use parallel keyword for concurrent workflow steps nuxt#35448
• chore(ci): improve workflows vuejs/core#15037

[Copilot]

Pull request overview

This PR improves the repository’s GitHub Actions workflows by optimizing runner selection, tightening checkout credential behavior, enabling step-level parallelism where safe, and reducing wasted CI runs via workflow concurrency cancellation.

Changes:

• Switch several low-requirement workflows to the ubuntu-slim runner.
• Add persist-credentials: false to relevant actions/checkout steps to avoid persisting tokens when not needed.
• Use the new steps[*].parallel grouping in module.yml and release.yml, and add PR-oriented concurrency cancellation to module.yml.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.github/workflows/stale.yml	Move stale workflow to ubuntu-slim runner.
.github/workflows/reproduire.yml	Use ubuntu-slim and disable persisted checkout credentials.
.github/workflows/reproduction.yml	Move reproduction workflow to ubuntu-slim runner.
.github/workflows/release.yml	Disable persisted checkout credentials and parallelize lint/typecheck/test steps.
.github/workflows/pr-labeler.yml	Move PR labeler workflow to ubuntu-slim runner.
.github/workflows/module.yml	Add concurrency cancellation, disable persisted checkout credentials across jobs, and parallelize independent step groups.

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📝 Walkthrough

Walkthrough

GitHub Actions workflows now cancel superseded runs within matching concurrency groups. Validation and build tasks run in parallel in module and release workflows. Checkout steps disable credential persistence, template jobs use a shared matrix with Nuxt preparation, and selected jobs switch from ubuntu-latest to ubuntu-slim.

Estimated code review effort: 3 (Moderate) | ~20 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title is related to the workflow changes, but it's very generic and doesn't identify the main improvements.	Make it more specific, e.g. mention ubuntu-slim, parallel steps, or checkout credential changes.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description check	✅ Passed	The description clearly matches the workflow-focused changes in the pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[pkg-pr-new]

npm i https://pkg.pr.new/@nuxt/ui@6764

commit: f3932d1

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated no new comments.

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

[coderabbitai]

🧹 Nitpick comments (1)

.github/workflows/module.yml (1)

127-151: 🎯 Functional Correctness | 🔵 Trivial | ⚡ Quick win

Consolidating template jobs into a matrix changes failure isolation — add fail-fast: false.

Previously each template ran as an independent job, so one template's failure didn't affect the others. With this matrix consolidation, GitHub Actions' default strategy.fail-fast: true will cancel the still-running/queued sibling template jobs as soon as any one template fails, hiding results for the remaining templates until a re-run. Given this job validates 11 independent template repos, that's likely not the intended behavior.

♻️ Proposed fix

     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest] # macos-latest, windows-latest
         node: [22]

🤖 Prompt for AI Agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.github/workflows/module.yml around lines 127 - 151, Set strategy.fail-fast
to false in the templates matrix job so a failure in one template does not
cancel queued or running sibling template validations. Keep the existing matrix
entries and job configuration unchanged.

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Nitpick comments:
In @.github/workflows/module.yml:
- Around line 127-151: Set strategy.fail-fast to false in the templates matrix
job so a failure in one template does not cancel queued or running sibling
template validations. Keep the existing matrix entries and job configuration
unchanged.

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ℹ️ Review info

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Run ID: 916e35c8-07e5-4bc8-9c69-e1d005102eee

📥 Commits

Reviewing files that changed from the base of the PR and between 84ebcd9 and 47eaa81.

📒 Files selected for processing (1)

• .github/workflows/module.yml

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (1)

.github/workflows/reproduire.yml:16

• This workflow sets a restricted permissions block (only issues: write), but it also runs actions/checkout, which typically requires contents: read. With the current permissions, actions/checkout can fail due to missing repository read access.

      - uses: actions/checkout@v7
        with:
          persist-credentials: false

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated no new comments.