@storybook/react

• Addon Vitest: Support init in Vitest >= 3.2

• CLI: Fix package manager instantiation in empty directories

• CLI: Improve support for upgrading Storybook in monorepos

• CLI: Show Storybook version in the upgrade command

• Core: Enhance package manager install methods to support optional force flag

• Addons: Use chromatic-com/storybook without version specifier

• Angular: Tailwind 4 compatibility

• Angular: Fix Storybook experimentalZoneless is not compatible with Angular 20

• React Native: Fix window event listeners that dont exist on rn

• Angular: Update MiniCssExtractPlugin configuration for cache busting

• CSF: Story ComponentAnnotations['subcomponents'] to correctly use its own type for subcomponents rather than attempt to inherit from the component

• Core: Delete shim addon packages

• Core: Disable interactions debugger on composed stories to avoid cross-origin error

• Core: Fix cyclical dependency in core addons

• Core: Restore original clipboard after invoking userEvent.setup()

• Next.js: Add webpack alias to resolve Next.js package conflicts

• Next.js: Enhance Vite configuration with styled-jsx aliasing

• Addon Docs: Fix SyntaxHighlighter "Copy" button by avoiding potentially mocked clipboard

• Addon Themes: Define missing React dependencies

• Addon-vitest: Fix adding with --skip-install failing missing packageJson invariant

• removed

  AddonDocs: Remove export of blocks

• Automigration: Enhance removeEssentials to convert options

• CLI: Don't install addon-onboarding during minimal installs

• Addon Docs: Fix reference to global JSX namespace

• Angular: Improve Vite compatibility

• Preview: Fix type issues

• Telemetry: Improve error handling

• Addon A11y: Briefly disable highlights while Axe is running

• CLI: Consider Storybook React Native packages in upgrade command

• Next.js: Fix module transpilation

• Svelte: Fix source view always using <wrapper ...>

• Testing: Fix toSatisfy-matcher implementation

• Angular: Include 20.x in version range

• CLI: Update React Native init generator for v9

• React Native Web: Include expo in babel transforms

• Telemetry: Fix storybook version and add test run events

Storybook 9.0 is here

This is a huge release focused on testing and bundle size.

• Component testing

  • 👆 Interactions

  • ♿️ Accessibility

  • 👁️ Visual changes

  • 🛡️ Coverage

• 🪶 48% lighter bundle

• 🏷️ Tags-based organization

• 🌐 Story globals

• 🏗️ Major upgrades: Svelte, Next, React Native, Angular

Please checkout our Migration guide to upgrade from earlier versions of Storybook. To see a comprehensive list of changes that went into 9.0, you can refer to the 9.0 prerelease changelogs

List of all updates

• Addon A11y: Add linkPath to Axe results and use it in copy link action

• Addon A11y: Fix setup as part of storybook create

• Addon A11y: Fix usage of axe-core in pnpm projects

• Addon A11y: Fix various issues and inconsistencies

• Addon A11y: Improve selector automigration detection

• Addon A11y: Only run checks in story mode

• Addon A11y: Provide full report in a11y manual runs

• Addon A11y: Use short titles and friendly summary messages in A11y report

• Addon Controls: Fix loading state UI in addon panel

• Addon Docs: Fix layout: centered in conjunction with inline: false

• Addon Docs: Fix docs-content overflow with TOC

• Addon Docs: Fix iframe content width in centered layout

• Addon Docs: Improve TableOfContents HTML structure and a11y

• Addon Docs: Reset error boundary when story changes to recover from erros

• Addon Docs: Simplify color parsing and color cycling logic

• Addon Docs: Update telejson

• Addon Pseudo States: Move package into monorepo

• Addon Test: Improve unhandled error messages

• Addon Test: Rename @storybook/experimental-addon-test to @storybook/addon-vitest

• Addon Vitest: Ensure vitest exclusions are relative to the project root, not cwd

• Addon Vitest: Fix broken docs links

• Addon Vitest: Fix watch mode for new files

• Addon Vitest: Ignore mdx files as part of tests

• Addon Vitest: Improve handling multiple browser mode projects

• Addon Vitest: Support vitest.projects.ts file as workspace file during postinstall

• Addon Vitest: Transform @storybook/nextjs imports to @storybook/nextjs-vite during init

• Addon Vitest: Use its own cache directory

• Addon-a11y: Replace element parameter with context

• Addon-A11y: Various improvements

• Addon-Essentials: Remove addon-docs

• Addon-Test: Automatically load before all

• Addon-test: Exclude storybook-static from coverage reports

• Addon-test: Fix watching non-story files, run all tests on preview change

• Addon-Test: Migrate to new test provider API, drop Vitest 2 support

• Addon-Vitest: Always clean coverage before (re)running

• Addon-vitest: Fix coverage being disabled with Run All button

• Addon-vitest: Fix coverage when restarting Vitest due to config change

• Addon-vitest: Fix wrong test count in telemetry

• Addon-vitest: Remove internal log for staticDir

• Addon-vitest: Support paths with spaces

• Addons: Add shim Storybook addons for previously removed addons

• Addons: Move @storybook/addon-interactions into core

• Addons: Remove @storybook/addon-storysource

• Addons: Update the Viewport and Background Addon

• AddonVitest: Use framework package, not renderer

• All packages: Remove unused dependencies

• Angular: Add @angular-devkit/build-angular to default installed pacakages in angular

• Angular: Filter non-inputs from controls

• Angular: Remove invalid defaults for start-storybook

• ArgTypes: Always extract argTypes, even without addon-docs

• Autoblock: Add autoblocker for addon-test

• Autoblock: Fix link

• AutoBlocker: Add major version upgrade blocker

• Automigrate: Disable missingStorybookDependencies for 9.0

• Automigrate: Prefer framework import

• Automigration: Add new Storybook addons to consolidated packages mapping

• Automigration: Adjust addon-docs install condition

• Automigration: Always scan file system to substitute essential addons

• Automigration: Correctly apply the wrap-require automigration in ESM modules

• Automigration: Enhance import transformation to handle partial package matches

• Automigration: Ensure correct addition of missing dependencies

• Automigration: Fix an issue when main.js addons have dynamic values

• Automigration: Fix consolidated-imports with sub-paths

• Automigration: Fix wrap require wrapper

• Automigration: Improve renderer to framework automigration

• Automigration: Migrate users to codePanel

• Automigration: Misc addon-essentials migration fixes

• Automigration: Pass over flags when calling automigrations

• Automigration: Remove @storybook/addon-essentials proper

• Automigration: Remove docs.autodocs field

• Automigration: Respect config-dir option

• Automigration: Update mapping for '@storybook/experimental-nextjs-vite'

• Automigrations: Add logging

• Automigrations: Fix installation of addon-docs

• Automigrations: Re-add renderer-to-framework and fix issue in monorepositories

• Backgrounds/Viewport: Fix resetting

• Blocks: IconGallery improvement

• Cleanup: Remove obsolete dependency

• CLI: Add storybook-static to .gitignore on init

• CLI: Add detection for the storybook package being behind any other core packages

• CLI: Add index command / API

• CLI: Add React Native .rnstorybook CLI automigration

• CLI: Detect correct storybook version on upgrade

• CLI: Do not install renderer package on init

• CLI: Enhance compatibility check: deprecated detection

• CLI: Fix framework for preview imports

• CLI: Fix get versions utility for NPM

• CLI: Improve CLI upgrade process for @latest and @next

• CLI: Improve package upgrade logic

• CLI: Install prereleases of @chromatic-com/storybook

• CLI: Make sure that the add commands logs all output to the console

• removed

  CLI: Remove @latest from yarn create commands

• CLI: Supress npm notice update log messages

• CLI: Tweak init prompt

• CLI: Update nx docs in Storybook detection error

• CLI: Wrap object addon names in wrap-require migration

• CodePanel: Show originalSource code

• Controls: Embed addon-controls into the core

• Controls: Remove empty state video link

• Core / Addon A11y: Emit STORY_HOT_UPDATED and rerun A11y tests on HMR

• Core: Add error boundary to tabs to prevent addon errors breaking Storybook

• Core: Add highlight as public API

• Core: Add preview navigator and --preview-only CLI flag

• Core: Automatically expand testing module on unhandled error

• Core: Avoid pre-bundling of preview-api in manager entries

• Core: Bring back loading globals from global types in portable stories

• Core: Builder-manager disable metafile

• Core: Change require.resolve path for storybook/package.json

• Core: Cleanup dependencies

• Core: Create features for addons moved into core

• Core: Do not show 'Render story' step in interactions

• Core: Draw highlights on top of canvas and add various new features

• Core: Fix core annotations applied twice

• Core: Fix favicon issue on dev server

• Core: Fix highlight clickEvent serialization and export public types

• Core: Fix highlight conflicts

• Core: Fix highlighting zero-pixel elements and focus on single element

• Core: Fix sidebar accessibility order for screen readers

• Core: Improve unhandled error detection

• Core: Increase compile targets for node & browsers

• Core: Make sure to only mutate writable arrays

• Core: Move @storybook/addon-actions into storybook

• Core: Move @storybook/instrumenter into core

• Core: New Status Store

• Core: New Test Provider Store

• Core: Prebundle jsdoc-type-pratt-parser again

• Core: Re-Export renderers from frameworks

• Core: Remove util, browser-assert, process deps

• Core: Remove uuid package from core

• Core: Remove deprecated parts of test provider API

• Core: Remove duplicate notification dot on sidebar buttons on mobile

• Core: Remove maximum-scale=1 from viewport meta tag

• Core: Rename local tests to interactions

• Core: Set a minimum height/width for the targetable area of highlights

• Core: Show "Render story" event explicitly in Component Tests event trace

• Core: Support groups and info icon in highlight popover menu

• Core: Support React Native environment without static class blocks

• Core: Testing Module UI improvements

• Core: Wait for animations before completing render cycle

• CSF-Tools: Add support for existing node imports and improve import handling

• Csf-Tools: Enhance setFieldNode logic to handle variable declarations

• CSF: Fix handling of renamed story exports

• Dependencies: Update docgen

• Dependencies: Upgrade @types/estree package to version v1.0.6

• Dependencies: Upgrade telejson

• Dependencies: Upgrades

• Dependencies: Upgrades for security

• Dependencies: Upgrades for security

• Dependencies: Upgrades for security

• Eslint-plugin: Handle JSON5 format

• ESLint: Fix flat config setup

• Essentials: Move remaining addons into core

• Highlights: Dont run highlights when the feature is disabled

• Hooks: Stabilize experimental afterEach hook

• removed

  HTML Framework: Remove support for HTML Webpack 5

• Indexer: Do not create autodocs entries unless addon-docs installed

• Init: Install framework stories instead of renderer stories

• Instrumenter: Fix preview-api import for react-native

• Interactions: Rename component test panel

• Maintenance: Drop tooling support

• Maintenance: Merge @storybook/core with storybook

• Maintenance: Migrate eslint-storybook-plugin into the monorepo

• Maintenance: Remove aliasses in builder configurations & scripts

• removed

  Maintenance: Remove deprecated APIs

• removed

  Maintenance: Remove deprecated packages

• Maintenance: Remove obsolete automigrations

• Maintenance: Specify that Addon Test now requires Vitest 3.0

• Manager: Add reactivity to useParameter

• Manager: Fix Uncaught ReferenceError: global is not defined

• Migration: Add auto-automigration for merged packages

• Migration: Improve glob question text

• Next.js-Vite: Stabilize @storybook/experimental-nextjs-vite

• removed

  Next.js: Remove deprecated compatibility files

• Next.js: Upgrade image-size to 2.0

• Nextjs Vite: Add runtime check for malformed postcss config

• Nextjs-Vite: Update vite-plugin-storybook-nextjs version and add optimizeDeps

• Node.js: Align Node.js version support

• removed

  Preact: Remove support for Preact Webpack 5

• Presets: Use .js files when .cjs files are passed for entries that should be ESM

• Pseudo States: Ignore escaped pseudo-class names

• React Native Web: Add RNW to vitest supported frameworks

• React Native: Fix support for 9.0

• React-Native: Fix __STORYBOOK_ADDON_INTERACTIONS_INSTRUMENTER_STATE__ access

• React-Native: Fix userEvent.setup() errors in jest

• React-Native: Fix userEvent.setup() errors outside browser context

• React-Native: Update config directory to .rnstorybook

• React: Don't use Act wrapper in Storybook when rendering in docs

• React: Ensure render functions and decorators are react components

• React: Export returntype of ReactMeta#story

• React: Remove react import in template files

• Remove: Addon mdx-gfm (@storybook/addon-mdx-gfm)

• Revert "Svelte: Adjust Svelte typings to include Svelte 5 function components"

• Save from Controls: Replace rendererPackage with frameworkPackage

• Source Loader: Remove package

• Source: Support async parameters.docs.source.transform

• Svelte-vite: Improve SvelteKit detection error

• Svelte: Adjust Svelte typings to include Svelte 5 function components

• removed

  Svelte: Drop Support for Svelte < 5

• Svelte: Fix missing ts-dedent dependency

• Svelte: Install latest version of @storybook/addon-svelte-csf

• Svelte: Pin svelte2tsx to solve argType regression

• Svelte: Remove dependency on sveltedoc-parser

• Svelte: Remove unused svelte-preprocess dependency

• SvelteKit: Forward form events when mocking enhance

• Telemetry: Add Svelte CSF usage

• Telemetry: Use version from our package.json for storybookVersion

• Test Addon: Stabilize and remove experimental status

• Toolbars: Embed addon-toolbars into the core

• Typescript: Drop Typescript < 4.9 support

• UI: Add options to hide sidebar and toolbar per story

• UI: Clear filters on run all and clear all statuses

• UI: Don't include error state in sidebar context menu

• UI: Fix status missing from sidebar

• UI: Visual tweaks to badges and improved layout for a11y panel

• Update react-router-dom to lowest React19 type-compatible version

• Viewport: Embed addon-viewport in the core

• Viewport: Fix globals type

• Vite-Builder: Handle undefined previewConfig

• Vite: Add 'storybook/viewport' to INCLUDE_CANDIDATES in optimizeDeps.ts

• Vite: Improve handling of preview annotations

• Vite: Normalize preview annotation paths

• Vite: Support Vite 6 and Docs

• Vitest: Remove beforeAll in vitest.setup.ts in automigration

• removed

  Vue3: Remove support for Webpack 5

• Web Components: Remove Webpack 5 support

• Yarn: Update Yarn package command execution to use 'exec'

Total contributions: 240
Unique contributors: 29

• Highlight: Prevent menu items from emitting arbitrary channel events

• Channels: Restrict preview postMessage to known manager origins

• Core: Separate manager and preview roles on the dev server channel

• Core: Block iframe embedding of the dev server from non-localhost origins

• Core: Reject component search queries outside the project

• Core: Validate component export name when creating a story

• Core: Add host validation warning and origin validation for MCP

• Core: Contain save story path to the project root

• Core: Validate save story name and arg keys as identifiers

• Addon Vitest: Disable browser file writes and command execution

• CLI: Add skip onboarding, recommended/minimal config

• Core: Fix using dates in expect statements

• React Native Web: Fix expo router by setting JSX to automatic

• CLI: Only install Visual Test Addon if test feature is selected

• Core: Fix telemetry error on Storybook UI

• Ember: Fix ember-template-compiler import for ember 6+

• Next: Upgrade vite-plugin-storybook-nextjs for Next v14 compatibility

• Svelte: Exclude node_modules from docgen

• Angular: Export all files in Angular package.json

• CLI: Don't add packageManager entry to package.json automatically

• React: Allow portable stories to be used in SSR

• Svelte: Adjust Svelte typings to include Svelte 5 function components

• Telemetry: Make sure that telemetry doesn't fail on init

• Vite: Update HMR filter to target specific story file types

• Addon A11y: Promote @storybook/global to full dependency

• Angular: Add @angular-devkit/build-angular to installed packages

• CLI: Fix test install in RNW projects

• Core: Replace 'min' instead of 'm' in printDuration

• Next.js: Use latest version when init in empty directory

• Svelte: Fix Vite crashing on virtual module imports

• Svelte: Fix automatic argTypes inference coming up empty with svelte2tsx@0.7.35

• Universal Store: Don't use crypto.randomUUID

The 8.6 release focuses on Storybook Test, which brings realtime component, accessibility, and visual UI tests to your favorite component workshop.

Here’s what’s new:

• 🎁 Storybook Test installer for out-of-the-box tests in new projects

• 🦾 Accessibility “todo” workflow to systematically fix a11y violations

• 🗜️ 80% smaller create-storybook package for much faster installs

• 🧪 Dozens of Test fixes based on user feedback

• 📕 Docs fixes for table of contents, code snippets, and more

• security

  🚨 Key security fixes for Vite and ESbuild

• 💯 Hundreds more improvements

List of all updates

• Addon A11y: Introduce parameters.a11y.test

• Addon-A11y: Fix preset loading when loaded via getAbsolutePath

• Addon-Docs: Change URL hash when TOC item is clicked, and fix TOC loading bugs

• Addon-docs: Consider custom code snippet in story code panel and update styles

• Addon-Test: Add telemetry data for Focused Tests

• Addon-Test: Fix config and watch mode inconsistencies

• Addon-Test: Fix console error in build mode

• Addon-Test: Make sure that only one global portable story config is ever loaded

• Angular: Fix accent character issue

• Angular: Support experimental zoneless mode

• Angular: Support v19.2 when @angular/animations is not installed

• Builder-Vite: Fix resolve id warning

• Builder-Vite: Fix runtime and iframe 404 on first load

• Bun: Add support for text lock file

• Cleanup: Remove unused constants in viewport addon

• CLI: Don't initially select Documentation and Testing features

• CLI: Fix peer dep issues for npm users during upgrade

• CLI: Fix printing of selected features

• CLI: Make telemetry data an object

• CLI: Prompt users for RN vs RNW on init

• CLI: Reimplement features prompt logic to handle --yes and fix --features

• CLI: Remove Storybook dependencies before adding re-adding them

• CLI: Use correct storybook internals import in automigration

• Codemod: Always get real path of files

• Codemod: Handle addon essentials differently in csf factories

• Codemod: Migrate meta.args to meta.input.args in csf factories

• Codemod: Use real path from symbolic links

• Core: Add UniversalStore API to sync state/events between multiple environments

• Core: Add connection timeout notification

• Core: Allow empty render functions in CSF factories

• Core: Always place cache dir inside node_modules

• Core: Don't set process.env.NODE_ENV and process.env.DEV

• Core: Fix addon essentials preview preset

• Core: Fix extracting import path when it's not a core addon

• Core: Fix invalid Websocket termination

• Core: Fix statically serving single files and multiple dirs on the same endpoint

• Core: Fix undeclared internal dependencies

• Core: Improve type compatibility with React 19

• Core: Move CSF to monorepo

• Csf Tools: Allow ConfigFile to create more import syntaxes

• CSF: Add support for CSF factories

• Essentials: Fix addon-essentials not working when used with getAbsolutePath

• Manager: Escape single quotes in dynamic import paths in wrapManagerEntries function

• Manager: Fix escaping of single quotes in dynamic import paths

• Manager: Fix panel reactivity

• React: Fix incorrect import in preview.ts

• Svelte: Fix conflicting variable names and support for +page.svelte files

• Test addon: Only update vitest.config.ts with workspaces, otherwise create vitest.workspace.ts

• Addon A11y: Make Vitest Axe optional

• Builder-Vite: Fix allowedHosts handling for custom hosts

• Builder-Vite: Fix resolve id warning

• React: Update react-docgen-typescript to fix CI hanging issues

Storybook 8.5 is packed with powerful features to enhance your development workflow. This release makes it easier than ever to build accessible, well-tested UIs. Here’s what’s new:

• 🦾 Realtime accessibility tests to help build UIs for everybody

• 🛡️ Project code coverage to measure the completeness of your tests

• 🎯 Focused tests for faster test feedback

• ⚛️ React Native Web Vite framework (experimental) for testing mobile UI

• ⚛️ React 19 support

• 🎁 Storybook test early access program to level up your testing game

• 💯 Hundreds more improvements

List of all updates

• Addon A11y: Add conditional rendering for a11y violation number in Testing Module

• Addon A11y: Add typesVersions support for TypeScript definitions in a11y package

• Addon A11y: Adjust default behaviour when using with experimental-addon-test

• Addon A11y: Change default element selector

• Addon A11y: Create a11y test provider and revamp a11y addon

• Addon A11y: Don't set a11y tag as comment in automigrations

• Addon A11y: Fix skipped status handling in Testing Module

• Addon A11y: Refactor environment variable handling for Vitest integration

• Addon A11y: Remove warnings API

• Addon A11y: Run the a11y automigration on postInstall

• Addon A11y: Show errors of axe properly

• Addon A11y: Update accessibility status handling in TestProviderRender

• Addon Docs: Dynamically import rehype

• Addon Docs: Make new code panel opt in

• Addon Onboarding: Prebundle react-confetti

• Addon Test: Add @vitest/coverage-v8 during postinstall if no coverage reporter is installed

• Addon Test: Add prerequisite check for MSW

• Addon Test: Add support for previewHead

• Addon Test: Add Vitest 3 support

• Addon Test: Always run Vitest in watch mode internally

• Addon Test: Always use installed version of vitest

• Addon Test: Clarify message when vitest detects missing deps

• Addon Test: Clear coverage data when starting or watching

• Addon Test: Context menu UI

• Addon Test: Context menu updates

• Addon Test: Correctly stop Storybook when Vitest closes

• Addon Test: Filter out falsy test results in TestProviderRender

• Addon Test: Fix documentation links

• Addon Test: Fix duplicate test.include patterns

• Addon Test: Fix environment variable for Vitest Storybook integration

• Addon Test: Fix error reporting for vitest crashes

• Addon Test: Fix generated path to vitest.setup.js

• Addon Test: Fix indexing behavior

• Addon Test: Fix printing null% for coverage

• Addon Test: Fix run request while booting or restarting Vitest

• Addon Test: Handle undefined storyId

• Addon Test: Improve error message on missing coverage package

• Addon Test: Improve support for mono-repos

• Addon Test: Make component tests status row link to the story's tests panel

• Addon Test: Merge viteFinal config into vitest config

• Addon Test: Only optimize react deps if applicable in vitest-plugin

• Addon Test: Only reset story count on file change when watch mode is enabled

• Addon Test: Optimize internal dependencies

• Addon Test: Prompt switch to experimental-nextjs-vite

• Addon Test: Refactor test addon to include stories automatically

• Addon Test: Remove a11y placeholder

• Addon Test: Replace glob with tinyglobby

• Addon Test: Serve staticDirs with Vitest

• Addon Test: Show sub test provider toggle state in main testing module

• Addon Test: Support Storybook environment variables in Vitest

• Addon Test: Use correct vitest config file path

• Addon Test: Use local storybook binary instead

• Addon Test: Use ProgressSpinner for stop button in Testing Module

• Addon Test: Wait for 2 seconds before showing result mismatch warning

• Addon Test: Wrap sub-paths exported with require.resolve

• deprecated

  Addon Themes: Deprecate useThemeParameters

• Angular: Support statsJson in angular schemas

• Automigration: Improve addon-a11y-addon-test

• Automigration: Improve setup file transformation and version range handling for a11y migration

• Automigrations: Skip vite config file migration for react native web

• CLI: Fix init help for storybook command

• CLI: Fix new-frameworks automigration

• CLI: Re-Add Nuxt support

• CLI: Update a11y-test comment with experimental caveat

• Composition: Fix composed story search

• Composition: Hide contextMenu on composed storybooks

• Core / Addon Test: Add config UI to Testing Module

• Core / Addon Test: Support intercepting and modifying internal test provider state updates

• Core + Addon Test: Refactor test API and fix total test count

• Core: Add bun support with npm fallback

• Core: Avoid getting stuck in locked state

• Core: Disable SidebarContextMenu in static builds

• Core: Emit deprecated TESTING_MODULE_RUN_ALL_REQUEST for backward compatibility

• Core: Evaluate main config when checking 'whats new' notifications

• Core: Fix ERR_PACKAGE_PATH_NOT_EXPORTED in @storybook/node-logger

• Core: Fix scrollIntoView behavior and reimplement testing module time rendering

• Core: Fix bundling of React

• Core: Float context menu button on top of story titles in sidebar

• Core: Prevent clipping box shadow on file search modal

• Core: Prevent infinite rerendering caused by comparison by reference

• Interactions: Correctly load preset when absolute paths are used

• Maintenance: Move @types/node to devDeps consistently

• Manager API: Fix infinite render-loop caused by useSharedState

• Manager: Add tags property to GroupEntry objects

• Manager: Fix size regression

• Manager: Optimize getPanels function with memoization

• Next.js: Fix webpack fsCache not working

• Next.js: Support v15.1.1

• Next.js: Upgrade sass-loader from ^13.2.0 to ^14.2.1

• Nextjs-Vite: Add TS docgen support

• Nextjs-Vite: Fix docgen types in main config

• Onboarding: Replace react-confetti with @neoconfetti/react

• React Native Web: Add framework, CLI integration, sandboxes

• React: Fix RSC compatibility with addon-themes and hooks

• React: Force act running always in sequence

• React: Use Act wrapper in Storybook for component rendering

• ReactVite: Add @storybook/test as optional peer dependency

• RNW-Vite: Add built-in Flow support

• RNW-Vite: Add tsconfig path aliases support

• RNW-Vite: Fix flow plugin including too many things

• RNW-Vite: Fix reanimated support with babel plugin for node_modules

• RNW-Vite: Integrate with experimental-addon-test

• Storysource Addon: Fix source-loader prettier imports

• Telemetry: Add metadata distinguishing "apps" from "design systems"

• TestAddon: Refactor UI & add config options

• Toolbars: Suppress deprecation warning when using dynamic icons

• UI: Add support for groups to TooltipLinkList and use it in main menu

• UI: Add Yarn to About Section

• UI: Fix controls and parameters on tag-filtered stories

• UI: Fix overlapping shadow of testing module on scrollbar

• UI: Fix test provider event handling on startup

• UI: Keep failing stories in the sidebar, disregarding filters

• UI: Sidebar context menu addon API

• Vite: Add extra entries to optimizeDeps

• Vite: Don't prefix story import with @fs

• Vite: Fix preview runtime import

• Vite: Fix wrong import paths when configDir is not in project root

• Vite: Import preview runtime as ordinary module

• Vitest: Add plugins from viteFinal

• Vue: Extend sourceDecorator to support v-bind and nested keys in slots

• Vue: Fix vue-component-meta docgen HMR not working

• Addon Test: Use pathe for better windows support

• Angular: Default to standalone components in Angular v19

• Frameworks: Add Vite 6 support

• Portable stories: Support multiple annotation notations from preview

• React: Upgrade react-docgen-typescript to support Vite 6

• Svelte: Support @sveltejs/vite-plugin-svelte v5

• Angular: Support v19

• CLI: Disable corepack auto pin behavior

• CLI: Fix qwik init

• Nextjs-Vite: Add Next.js 15 support

• Addon Test: Fix post-install logic for Next.js Vite framework support

• Addon Test: Only render the TestingModule component in development mode

• CLI: Fix Solid init by installing @storybook/test

• Core: Shim CJS-only globals in ESM output

• Next.js: Fix bundled react and react-dom in monorepos

Storybook 8.4 comes with a ton of exciting new features designed to give you the best experience developing, testing, and debugging tests in the browser!

• ▶️ Unified UI for component testing

• 5️⃣ Svelte 5 and Svelte CSF support

• ⚛️ React Native Storybook 8 release

• 🏷️ Tags-based filtering to organize your Storybook

• 🫧 Dependency cleanup to reduce install footprint

• 💯 Hundreds more improvements

List of all updates

• Addon Test: Adjust file exports to be ESM/CJS compatible

• Addon Test: Error when addon interactions exists

• Addon Test: Escape XML when converting ANSI to HTML in test errors

• Addon Test: Fix hiding stacktrace for assertion errors in test panel

• Addon Test: Improve Error Handling

• Addon Test: Improve postinstall script

• Addon Test: Improve unsupported vitest message

• Addon Test: Only register testing module in Vite projects

• Addon Test: Throttle Vitest progress updates more heavily

• Addon-docs, blocks: Prebundle dependencies

• Addon-Test: Support for @vitest/browser v2.1.2

• Blocks: Prebundle es-toolkit

• Builder-vite: Replace .at() call with in codegen

• CLI: Don't add @storybook/addon-links by default

• CLI: Ensure .gitignore updated via CLI ends with a newline

• CLI: Fix yarn detection

• CLI: Migrate from chalk to picocolors

• CLI: Refactor NPMProxy error parsing logic

• ConfigFile: Fix export { X } parsing

• Core: Add unified UI Testing Module

• Core: Close story status menu when selecting an item

• Core: Fix building Storybook deleting project root files

• Core: Fix race condition during empty folder init

• Core: Make prettier an optional peer dependency

• Core: Migrate from express to polka

• Core: Migrate from qs to picoquery

• Core: Open 'Component tests' addon panel when clicking a story status

• Core: Remove handlebars usage

• Core: Remove dependence on file-system-cache

• Core: Replace fs-extra with the native APIs

• Core: Replace lodash with es-toolkit

• Core: Show checkmark icon in story status dropdown and update status label for component tests

• Core: Show tooltip on filter toggles to clarify their purpose

• Core: Track test provider state in sessionStorage

• Core: Upgrade esbuild, broadening version range

• Dependencies: Upgrade VTA to v3.2.0 to resolve peerDep conflict

• Interactions: Escape xml of interactions errors

• Maintenance: Fix broken and outdated documentation links

• Manager: Add tags property to ComponentEntry objects

• React: Prebundle all of renderers/react's dependencies

• Svelte: Improve argTypes inference with svelte2tsx - support runes

• UI: Brand image css class conflict causes image to resize on hot reloads

• UI: Fix RefIndicator to use CheckIcon instead of string

• UI: Simple tag filtering

• UI: Use production-mode react in manager

• Viewport-addon: Add InitialViewportKeys type to viewport addon

• Vite: Add jsdoc-type-pratt-parser to optimizeDeps

• Vite: Cleanup and prebundle dependencies

• Webpack: Fix export 'act' (imported as 'React4') was not found in 'react' errors in webpack