feat: add React Compiler support for Tooltip

[joshblack]

Closes #

Adds React Compiler support for Tooltip by removing TooltipV2 from the compiler unsupported list. Updates the ActionMenu integration test helper to render as a React component instead of invoking JSX as a plain function.

Changelog

New

• React Compiler support for Tooltip

Changed

• Updated Tooltip ActionMenu integration tests to be compatible with React Compiler

Removed

• Removed TooltipV2 from the React Compiler unsupported list

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/TooltipV2/**/*.{ts,tsx}'
• npm test -- --run packages/react/src/TooltipV2/__tests__/Tooltip.test.tsx
• npm run build && npm test -- --run && npm run type-check && npm run lint && npm run lint:css && npm run format:diff
• Verified Storybook responds locally

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• 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: ecf0922

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 support for TooltipV2 by allowing TooltipV2 sources to be included in the compiler-supported set, and updates TooltipV2’s ActionMenu-related tests to render the helper as a React component (instead of calling a JSX-returning function) for compiler compatibility.

Changes:

• Removed src/TooltipV2/**/*.tsx from the React Compiler “unsupported” list.
• Refactored the ActionMenu test helper in TooltipV2 tests into a component with props.
• Added a patch changeset documenting Tooltip’s React Compiler support.

Show a summary per file

File	Description
packages/react/src/TooltipV2/tests/Tooltip.test.tsx	Refactors the ActionMenu test helper into a component for React Compiler compatibility.
packages/react/script/react-compiler.mjs	Removes TooltipV2 from the compiler unsupported patterns list.
.changeset/react-compiler-tooltip-v2.md	Adds a patch changeset noting Tooltip React Compiler support.

Review details

• Files reviewed: 3/3 changed files
• Comments generated: 1
• Review effort level: Low

[primer-integration]

Integration test results from github/github-ui PR:

  CI Failed
  VRT Running
  Projects Waiting

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.