Release: Prerelease 9.1.0-alpha.3

[github-actions]

This is an automated pull request that bumps the version from 9.1.0-alpha.2 to 9.1.0-alpha.3.
Once this pull request is merged, it will trigger a new release of version 9.1.0-alpha.3.
If you're not a core maintainer with permissions to release you can ignore this pull request.

To do

Before merging the PR, there are a few QA steps to go through:

• Add the "freeze" label to this PR, to ensure it doesn't get automatically forced pushed by new changes.
• Add the "ci:daily" label to this PR, to trigger the full test suite to run on this PR.

And for each change below:

1. Ensure the change is appropriate for the version bump. E.g. patch release should only contain patches, not new or de-stabilizing features. If a change is not appropriate, revert the PR.
2. Ensure the PR is labeled correctly with one of: "BREAKING CHANGE", "feature request", "bug", "maintenance", "dependencies", "documentation", "build", "unknown".
3. Ensure the PR title is correct, and follows the format "[Area]: [Summary]", e.g. "React: Fix hooks in CSF3 render functions". If it is not correct, change the title in the PR.
   • Areas include: React, Vue, Core, Docs, Controls, etc.
   • First word of summary indicates the type: “Add”, “Fix”, “Upgrade”, etc.
   • The entire title should fit on a line

This is a list of all the PRs merged and commits pushed directly to next, that will be part of this release:

• 🐛 Bug: Addon Docs: Fix SyntaxHighlighter "Copy" button by avoiding potentially mocked clipboard #31682
• 🐛 Bug: Telemetry: Fix project.json for getAbsolutePath #31510
• 🐛 Bug: Angular: Improve Vite compatibility #31686 (will also be patched)
• 🐛 Bug: Addon Docs: Fix reference to global JSX namespace #31671 (will also be patched)
• 🐛 Bug: Preview: Fix type issues #31537 (will also be patched)
• 🐛 Bug: Testing: Fix toSatisfy-matcher implementation #31664 (will also be patched)
• 🐛 Bug: Telemetry: Improve error handling #31656
• 🐛 Bug: Automigration: Enhance removeEssentials to convert options #31658
• 🐛 Bug: Next.js: Fix module transpilation #31501 (will also be patched)
• 🐛 Bug: CLI: Don't install addon-onboarding during minimal installs #31616
• ✨ Feature Request: CLI: Consider Storybook React Native packages in upgrade command #31645 (will also be patched)
• 🐛 Bug: Svelte: Fix source view always using <wrapper ...> #31639 (will also be patched)
• 🐛 Bug: Addon A11y: Briefly disable highlights while Axe is running #31621 (will also be patched)
• 🐛 Bug: Addon Vitest: Fix path comparison on Windows #31634 (will also be patched)
• 🐛 Bug: Addon Vitest: Fix path comparison on Windows #31630 (will also be patched)
• 🏗️ Build: Core: Export BROWSER_TARGETS and NODE_TARGET for addon-kit #31584
• 🏗️ Build: Build: Fix types check #31654

If you've made any changes doing the above QA (change PR titles, revert PRs), manually trigger a re-generation of this PR with this workflow and wait for it to finish. It will wipe your progress in this to do, which is expected.

Feel free to manually commit any changes necessary to this branch after you've done the last re-generation, following the Make Manual Changes section in the docs, especially if you're making changes to the changelog.

When everything above is done:

• Merge this PR
• Follow the run of the publish action

---

Generated changelog

9.1.0-alpha.3

• Addon A11y: Briefly disable highlights while Axe is running - #31621, thanks @ghengeveld!
• Addon Docs: Fix SyntaxHighlighter "Copy" button by avoiding potentially mocked clipboard - #31682, thanks @ghengeveld!
• Addon Docs: Fix reference to global JSX namespace - #31671, thanks @mrginglymus!
• Addon Vitest: Fix path comparison on Windows - #31630, thanks @valentinpalkovic!
• Addon Vitest: Fix path comparison on Windows - #31634, thanks @valentinpalkovic!
• Angular: Improve Vite compatibility - #31686, thanks @ndelangen!
• Automigration: Enhance removeEssentials to convert options - #31658, thanks @ndelangen!
• CLI: Consider Storybook React Native packages in upgrade command - #31645, thanks @yannbf!
• CLI: Don't install addon-onboarding during minimal installs - #31616, thanks @ghengeveld!
• Next.js: Fix module transpilation - #31501, thanks @valentinpalkovic!
• Preview: Fix type issues - #31537, thanks @mrginglymus!
• Svelte: Fix source view always using <wrapper ...> - #31639, thanks @JReinhold!
• Telemetry: Fix project.json for getAbsolutePath - #31510, thanks @ndelangen!
• Telemetry: Improve error handling - #31656, thanks @ndelangen!
• Testing: Fix toSatisfy-matcher implementation - #31664, thanks @ndelangen!

[greptile-apps]

LGTM

_{5 file(s) reviewed, no comment(s)
Edit PR Review Bot Settings | Greptile}

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 57142da.

Command	Status	Duration	Result
nx run-many -t build -c production --parallel=3	✅ Succeeded	3s	View ↗
nx run-many -t check -c production --parallel=7	✅ Succeeded	1s	View ↗

---

☁️ Nx Cloud last updated this comment at 2025-06-07 05:12:28 UTC

[storybook-pr-benchmarking]

Package Benchmarks

^{Commit: 57142da, ran on 7 June 2025 at 05:18:46 UTC}

The following packages have significant changes to their size or dependencies:

storybook

	Before	After	Difference
Dependency count	49	49	0
Self size	31.37 MB	31.40 MB	🚨 +31 KB 🚨
Dependency size	17.41 MB	17.41 MB	0 B
Bundle Size Analyzer	Link	Link

sb

	Before	After	Difference
Dependency count	50	50	0
Self size	1 KB	1 KB	0 B
Dependency size	48.78 MB	48.81 MB	🚨 +31 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/cli

	Before	After	Difference
Dependency count	324	324	0
Self size	243 KB	244 KB	🚨 +663 B 🚨
Dependency size	97.75 MB	97.83 MB	🚨 +79 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/codemod

	Before	After	Difference
Dependency count	267	267	0
Self size	31 KB	31 KB	0 B
Dependency size	82.16 MB	82.24 MB	🚨 +75 KB 🚨
Bundle Size Analyzer	Link	Link