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Release: Prerelease 10.4.0-alpha.8#34448

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JReinhold merged 93 commits into
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version-non-patch-from-10.4.0-alpha.7
Apr 7, 2026
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Release: Prerelease 10.4.0-alpha.8#34448
JReinhold merged 93 commits into
next-releasefrom
version-non-patch-from-10.4.0-alpha.7

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@github-actions github-actions Bot commented Apr 2, 2026

This is an automated pull request that bumps the version from 10.4.0-alpha.7 to 10.4.0-alpha.8.
Once this pull request is merged, it will trigger a new release of version 10.4.0-alpha.8.
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: Core: Disable component manifest by default #34408 (will also be patched)
  • ✨ Feature Request: Sidebar: Add dual-slot status icons for change detection and test results #34346
  • 🔧 Maintenance: Core: Rename preview.ts to preview.tsx in generated projects #34396
  • 🐛 Bug: UI: Improve interactions panel accessibility #34110
  • 🐛 Bug: Actions: Fix state mutation and keep newest actions when limit reached #34286
  • 🐛 Bug: A11y: Add aria-live announcements via react-aria/live-announcer #33970
  • ✨ Feature Request: Core: Implement Git change detection #34420
  • 📝 Documentation: Documentation: Remove duplicate words in docs and comments #34455 (will also be patched)

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:


Generated changelog

10.4.0-alpha.8

  • A11y: Add aria-live announcements via react-aria/live-announcer - #33970, thanks copilot-swe-agent!
  • Actions: Fix state mutation and keep newest actions when limit reached - #34286, thanks Sidnioulz!
  • Core: Disable component manifest by default - #34408, thanks yannbf!
  • Core: Implement Git change detection - #34420, thanks ghengeveld!
  • Core: Rename preview.ts to preview.tsx in generated projects - #34396, thanks Sidnioulz!
  • Sidebar: Add dual-slot status icons for change detection and test results - #34346, thanks valentinpalkovic!
  • UI: Improve interactions panel accessibility - #34110, thanks anchmelev!

valentinpalkovic and others added 30 commits March 26, 2026 14:48
…ults

Separate change-detection statuses (new/modified/affected) from test statuses
(error/warning/pending/success) into two independent icon slots in the sidebar
tree. This allows both types of information to be visible simultaneously on a
story leaf node.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…ctor test cases for clarity. Added emitError functionality and adjusted watcher setup logic to prevent indefinite retries. Updated tests to reflect changes in git state watching behavior.
…ction and update test cases for accurate file categorization. Adjusted git command filters to differentiate between staged, unstaged, and newly added files.
… enhance test reliability. Updated tests to utilize waitFor for asynchronous assertions, ensuring proper cleanup of watchers and accurate git state change detection.
… error logging. Updated tests to reflect changes in callback handling and watcher teardown, ensuring accurate detection of git state changes and improved test reliability.
…avior. Codified the intent to avoid indefinite retries when git watching is unavailable, enhancing test documentation.
seojcarlos and others added 5 commits April 3, 2026 03:40
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from fbb1168 to 1bb07d6 Compare April 3, 2026 09:51
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from 1bb07d6 to 5ecb290 Compare April 3, 2026 11:48
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from 5ecb290 to a4833dd Compare April 3, 2026 15:46
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from a4833dd to 99bb158 Compare April 7, 2026 09:55
Sidebar: Add dual-slot status icons for change detection and test results
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from 99bb158 to f4191ee Compare April 7, 2026 11:09
@storybook-bot storybook-bot force-pushed the version-non-patch-from-10.4.0-alpha.7 branch from f4191ee to 81f7d6e Compare April 7, 2026 13:13
@JReinhold JReinhold self-assigned this Apr 7, 2026
@JReinhold JReinhold added ci:daily Run the CI jobs that normally run in the daily job. freeze Freeze the Release PR with this label labels Apr 7, 2026
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Package Benchmarks

Commit: 81f7d6e, ran on 7 April 2026 at 13:31:44 UTC

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

storybook

Before After Difference
Dependency count 50 50 0
Self size 20.51 MB 20.52 MB 🚨 +10 KB 🚨
Dependency size 16.56 MB 16.56 MB 0 B
Bundle Size Analyzer Link Link

@storybook/cli

Before After Difference
Dependency count 184 184 0
Self size 782 KB 782 KB 🎉 -84 B 🎉
Dependency size 68.15 MB 68.16 MB 🚨 +11 KB 🚨
Bundle Size Analyzer Link Link

@storybook/codemod

Before After Difference
Dependency count 177 177 0
Self size 32 KB 32 KB 0 B
Dependency size 66.68 MB 66.69 MB 🚨 +11 KB 🚨
Bundle Size Analyzer Link Link

create-storybook

Before After Difference
Dependency count 51 51 0
Self size 1.04 MB 1.04 MB 🚨 +315 B 🚨
Dependency size 37.06 MB 37.08 MB 🚨 +10 KB 🚨
Bundle Size Analyzer node node

@JReinhold JReinhold merged commit 088fa5f into next-release Apr 7, 2026
288 of 295 checks passed
@JReinhold JReinhold deleted the version-non-patch-from-10.4.0-alpha.7 branch April 7, 2026 13:53
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