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Release: Prerelease beta 10.3.0-beta.0#34150

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yannbf merged 149 commits intonext-releasefrom
version-non-patch-from-10.3.0-alpha.17
Mar 16, 2026
Merged

Release: Prerelease beta 10.3.0-beta.0#34150
yannbf merged 149 commits intonext-releasefrom
version-non-patch-from-10.3.0-alpha.17

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This is an automated pull request that bumps the version from 10.3.0-alpha.17 to 10.3.0-beta.0.
Once this pull request is merged, it will trigger a new release of version 10.3.0-beta.0.
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
  • 🐛 Bug: Core: Fix event source URL based on refId when multiple iframes share the same origin #34105 (will also be patched)
  • 🐛 Bug: UI: Make TagsFilter state persistent #33374
  • 🐛 Bug: A11y: Make resize handles for addon panel and sidebar accessible #33980
  • 🔧 Maintenance: Maintenance: Use std-env for AI agent detection in telemetry #34114
  • 🐛 Bug: Addon-Vitest: Make Playwright --with-deps platform-aware to avoid sudo prompt on Linux #34121
  • 🐛 Bug: Addon-docs: Restore docs.components overrides for doc blocks #34111
  • 🔧 Maintenance: Maintenance: Support vite-plugin-svelte7 which supports Vite 8 #34115 (will also be patched)
  • 🐛 Bug: Core: Fix handling complex viewport sizes #33615
  • 🐛 Bug: Core: Fix iframe reference for composed Storybook on a subpath #34100
  • 🔧 Maintenance: Manifest: Rename experimentalComponentsManifestcomponentsManifest, default to true #33974
  • 🐛 Bug: Manifests: Fix Attached MDX causing wrong component entries #34101
  • 🐛 Bug: Vue3-Vite: Allow paths in docgen tsconfig option #32310
  • 🐛 Bug: Next.js: Move image configuration from FrameworkOptions to parameters #32639
  • 🐛 Bug: Docs: Make CSS ordering in DocsContainer more predictable #34015
  • 🏗️ Build: Maintenance: Install NX MCP server #33234
  • 📝 Documentation: Documentation: Add CLAUDE.md and docs for AI coding assistants #33568
  • 🏗️ Build: Build: Fix CI issues for expo and sveltekit sandboxes #34135
  • 🏗️ Build: Angular: Update Node CI executors to support Angular prerelease Node.js min version #34112 (will also be patched)
  • 🏗️ Build: SvelteKit: Fix template stories using runes mode #34128
  • 🏗️ Build: Build: Install Husky hooks in fresh worktrees #34126
  • 📝 Documentation: Docs: Add sidebarOnboardingChecklist feature and feature defaults #34103

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-beta.0

  • A11y: Make resize handles for addon panel and sidebar accessible - #33980, thanks copilot-swe-agent!
  • Addon-Vitest: Make Playwright --with-deps platform-aware to avoid sudo prompt on Linux - #34121, thanks copilot-swe-agent!
  • Addon-docs: Restore docs.components overrides for doc blocks - #34111, thanks JReinhold!
  • Core: Fix event source URL based on refId when multiple iframes share the same origin - #34105, thanks ghengeveld!
  • Core: Fix handling complex viewport sizes - #33615, thanks ghengeveld!
  • Core: Fix iframe reference for composed Storybook on a subpath - #34100, thanks ghengeveld!
  • Docs: Make CSS ordering in DocsContainer more predictable - #34015, thanks copilot-swe-agent!
  • Maintenance: Support vite-plugin-svelte7 which supports Vite 8 - #34115, thanks valentinpalkovic!
  • Maintenance: Use std-env for AI agent detection in telemetry - #34114, thanks copilot-swe-agent!
  • Manifest: Rename experimentalComponentsManifestcomponentsManifest, default to true - #33974, thanks copilot-swe-agent!
  • Manifests: Fix Attached MDX causing wrong component entries - #34101, thanks JReinhold!
  • Next.js: Move image configuration from FrameworkOptions to parameters - #32639, thanks y-hsgw!
  • Test: Fix clearing mocks in Vitest - #34078, thanks valentinpalkovic!
  • UI: Make TagsFilter state persistent - #33374, thanks Sidnioulz!
  • Vue3-Vite: Allow paths in docgen tsconfig option - #32310, thanks Thomaash!

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>
valentinpalkovic and others added 20 commits March 13, 2026 14:15
…-sudo-requirement

Addon-Vitest: Make Playwright `--with-deps` platform-aware to avoid `sudo` prompt on Linux
…tion-for-telemetry

Maintenance: Use std-env for AI agent detection in telemetry
…cessibility

A11y: Make resize handles for addon panel and sidebar accessible
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
Documentation: Add CLAUDE.md and docs for AI coding assistants
…y-reset

Test: Fix clearing mocks in Vitest
@github-actions github-actions Bot added the release For PRs that trigger new releases. Automated label Mar 16, 2026
@yannbf yannbf added ci:daily Run the CI jobs that normally run in the daily job. freeze Freeze the Release PR with this label labels Mar 16, 2026
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Fails
🚫

This PR targets next-release, but it should target next. Please update the base branch of your PR.

🚫

PR is not labeled with one of: ["cleanup","BREAKING CHANGE","feature request","bug","documentation","maintenance","build","dependencies"]

🚫 PR description is missing the mandatory "#### Manual testing" section. Please add it so that reviewers know how to manually test your changes.

Generated by 🚫 dangerJS against 4c960ec

@nx-cloud
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nx-cloud Bot commented Mar 16, 2026

View your CI Pipeline Execution ↗ for commit 4c960ec

Command Status Duration Result
nx run-many -t compile,check,knip,test,pretty-d... ⛔ Cancelled 10m 14s View ↗

☁️ Nx Cloud last updated this comment at 2026-03-16 08:49:22 UTC

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Package Benchmarks

Commit: 4c960ec, ran on 16 March 2026 at 08:49:08 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 🚨 +245 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 🚨 +245 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 65.93 MB 66.17 MB 🚨 +245 KB 🚨
Bundle Size Analyzer Link Link

create-storybook

Before After Difference
Dependency count 50 50 0
Self size 1.04 MB 1.04 MB 🚨 +385 B 🚨
Dependency size 36.75 MB 37.00 MB 🚨 +245 KB 🚨
Bundle Size Analyzer node node

@yannbf yannbf merged commit ebc6315 into next-release Mar 16, 2026
323 of 342 checks passed
@yannbf yannbf deleted the version-non-patch-from-10.3.0-alpha.17 branch March 16, 2026 09:22
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