feat: add React Compiler support for checkbox controls

[joshblack]

Closes N/A

Changelog

New

N/A

Changed

• Enabled React Compiler support for Checkbox, CheckboxGroup, and RadioGroup shared controls.
• Added a patch changeset for the rendering performance improvement.

Removed

N/A

Rollout strategy

• Patch release
• Minor release
• Major release; if selected, include a written rollout or migration plan
• None; if selected, include a brief description as to why

Testing & Reviewing

• npx eslint --no-cache packages/react/src/Checkbox/**/*.{ts,tsx} packages/react/src/internal/components/CheckboxOrRadioGroup/**/*.{ts,tsx}
• npm test -- --run packages/react/src/Checkbox/Checkbox.test.tsx packages/react/src/CheckboxGroup/CheckboxGroup.test.tsx packages/react/src/RadioGroup/RadioGroup.test.tsx packages/react/src/__tests__/CheckboxOrRadioGroup.test.tsx
• npm run build
• npm test -- --run && npm run type-check && npm run lint && npm run lint:css && npm run format:diff
• Storybook started and responded locally at http://localhost:6006.

Merge checklist

• Added/updated tests (not needed; existing coverage validated)
• Added/updated documentation (not needed)
• Added/updated previews (not needed)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github-ui (Learn more about how to run integration tests)

[changeset-bot]

🦋 Changeset detected

Latest commit: 40fd29b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@primer/react	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

⚠️ Action required

👋 Hi, this pull request contains changes to the source code that github/github-ui depends on. If you are GitHub staff, test these changes with github/github-ui using the integration workflow. If this doesn't work, you can also use the original workflow here. Check the integration testing docs for step-by-step instructions. Or, apply the integration-tests: skipped manually label to skip these checks.

To publish a canary release for integration testing, apply the Canary Release label to this PR.

[Copilot]

Pull request overview

Enables React Compiler processing for Checkbox, CheckboxGroup, and RadioGroup by removing their file globs from the unsupportedPatterns list, and adds a patch changeset to communicate the performance improvement in the release notes.

Changes:

• Removed Checkbox and internal CheckboxOrRadioGroup paths from the React Compiler “unsupported” exclusion list.
• Added a patch changeset for the resulting rendering performance improvement.

Show a summary per file

File	Description
packages/react/script/react-compiler.mjs	Removes Checkbox-related paths from the compiler exclusion list so they’re included in React Compiler runs.
.changeset/react-compiler-checkbox-controls.md	Adds a patch changeset describing the performance improvement for the affected controls.

Copilot's findings

• Files reviewed: 2/2 changed files
• Comments generated: 1

[primer-integration]

Integration test results from github/github-ui PR:

  CI Failed
  VRT Passed
  Projects Passed

CI check runs linting, type checking, and unit tests. Check the workflow logs for specific failures.

Need help? If you believe this failure is unrelated to your changes, please reach out to the Primer team for assistance.