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Release: Prerelease 10.3.0-alpha.18#34130

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github-actions[bot] wants to merge 149 commits into
next-releasefrom
version-non-patch-from-10.3.0-alpha.17
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Release: Prerelease 10.3.0-alpha.18#34130
github-actions[bot] wants to merge 149 commits into
next-releasefrom
version-non-patch-from-10.3.0-alpha.17

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@github-actions github-actions Bot commented Mar 13, 2026

This is an automated pull request that bumps the version from 10.3.0-alpha.17 to 10.3.0-alpha.18.
Once this pull request is merged, it will trigger a new release of version 10.3.0-alpha.18.
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: Test: Fix clearing mocks in Vitest #34078
  • 🏗️ Build: Maintenance: Install NX MCP server #33234

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

10.3.0-alpha.18

  • Test: Fix clearing mocks in Vitest - #34078, thanks valentinpalkovic!

Thomaash and others added 30 commits August 21, 2025 10:04
Co-authored-by: kasperpeulen <1035299+kasperpeulen@users.noreply.github.com>
Co-authored-by: kasperpeulen <1035299+kasperpeulen@users.noreply.github.com>
Co-authored-by: kasperpeulen <1035299+kasperpeulen@users.noreply.github.com>
…to true

Co-authored-by: JReinhold <5678122+JReinhold@users.noreply.github.com>
… CSS ordering on theme change

When styled() is called with multiple arguments (e.g., styled.h1(withReset, headerCommon, themeFunc)),
Emotion generates separate CSS classes for each argument. On theme change, unchanged classes are reused
at their original stylesheet position while changed ones are appended at the end. This causes
unpredictable CSS cascade ordering since DocsContent's :where() selectors and component classes share
the same specificity (0-1-0).

By merging all arguments into a single function, each component produces exactly one CSS class that is
always regenerated together on theme change, ensuring consistent stylesheet ordering.

Co-authored-by: Sidnioulz <5108577+Sidnioulz@users.noreply.github.com>
…-sudo-requirement

Addon-Vitest: Make Playwright `--with-deps` platform-aware to avoid `sudo` prompt on Linux
@yannbf yannbf added the freeze Freeze the Release PR with this label label Mar 13, 2026
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storybook-app-bot Bot commented Mar 13, 2026

Package Benchmarks

Commit: 4c960ec, ran on 15 March 2026 at 09:29:17 UTC

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

storybook

Before After Difference
Dependency count 49 49 0
Self size 20.21 MB 20.45 MB 🚨 +246 KB 🚨
Dependency size 16.54 MB 16.54 MB 0 B
Bundle Size Analyzer Link Link

@storybook/cli

Before After Difference
Dependency count 183 183 0
Self size 779 KB 779 KB 🚨 +70 B 🚨
Dependency size 67.40 MB 67.65 MB 🚨 +247 KB 🚨
Bundle Size Analyzer Link Link

@storybook/codemod

Before After Difference
Dependency count 176 176 0
Self size 32 KB 32 KB 🎉 -36 B 🎉
Dependency size 65.92 MB 66.17 MB 🚨 +246 KB 🚨
Bundle Size Analyzer Link Link

create-storybook

Before After Difference
Dependency count 50 50 0
Self size 1.04 MB 1.04 MB 🚨 +457 B 🚨
Dependency size 36.75 MB 37.00 MB 🚨 +246 KB 🚨
Bundle Size Analyzer node node

kasperpeulen and others added 4 commits March 13, 2026 23:08
Build: Fix CI issues for expo and sveltekit sandboxes
…base-url

Core: Fix event source URL based on refId when multiple iframes share the same origin
@github-actions github-actions Bot changed the title Release: Prerelease 10.3.0-alpha.18 Release: Prerelease beta 10.3.0-beta.0 Mar 13, 2026
@yannbf yannbf added ci:daily Run the CI jobs that normally run in the daily job. and removed ci:daily Run the CI jobs that normally run in the daily job. labels Mar 13, 2026
Documentation: Add CLAUDE.md and docs for AI coding assistants
@github-actions github-actions Bot changed the title Release: Prerelease beta 10.3.0-beta.0 Release: Prerelease 10.3.0-alpha.18 Mar 14, 2026
@yannbf yannbf closed this Mar 16, 2026
@yannbf yannbf deleted the version-non-patch-from-10.3.0-alpha.17 branch March 16, 2026 09:22
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