9.0.0

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 - #31009, thanks @ghengeveld!
• Addon A11y: Fix setup as part of storybook create - #31403, thanks @yannbf!
• Addon A11y: Fix usage of axe-core in pnpm projects - #31422, thanks @yannbf!
• Addon A11y: Fix various issues and inconsistencies - #31432, thanks @ghengeveld!
• Addon A11y: Improve selector automigration detection - #31392, thanks @yannbf!
• Addon A11y: Only run checks in story mode - #30976, thanks @kroeder!
• Addon A11y: Provide full report in a11y manual runs - #31325, thanks @yannbf!
• Addon A11y: Use short titles and friendly summary messages in A11y report - #31185, thanks @ghengeveld!
• Addon Controls: Fix loading state UI in addon panel - #31168, thanks @iineineno03k!
• Addon Docs: Fix layout: centered in conjunction with inline: false - #31430, thanks @ghengeveld!
• Addon Docs: Fix docs-content overflow with TOC - #27167, thanks @njsokol!
• Addon Docs: Fix iframe content width in centered layout - #31320, thanks @Audie80!
• Addon Docs: Improve TableOfContents HTML structure and a11y - #31327, thanks @Sidnioulz!
• Addon Docs: Reset error boundary when story changes to recover from erros - #31242, thanks @yatishgoel!
• Addon Docs: Simplify color parsing and color cycling logic - #29840, thanks @leyvae!
• Addon Docs: Update telejson - #31115, thanks @valentinpalkovic!
• Addon Pseudo States: Move package into monorepo - #31123, thanks @ghengeveld!
• Addon Test: Improve unhandled error messages - #30755, thanks @yannbf!
• Addon Test: Rename @storybook/experimental-addon-test to @storybook/addon-vitest - #31014, thanks @valentinpalkovic!
• Addon Vitest: Ensure vitest exclusions are relative to the project root, not cwd - #31514, thanks @mrginglymus!
• Addon Vitest: Fix broken docs links - #31445, thanks @kylegach!
• Addon Vitest: Fix watch mode for new files - #31156, thanks @valentinpalkovic!
• Addon Vitest: Ignore mdx files as part of tests - #31457, thanks @yannbf!
• Addon Vitest: Improve handling multiple browser mode projects - #31508, thanks @yannbf!
• Addon Vitest: Support vitest.projects.ts file as workspace file during postinstall - #31565, thanks @ghengeveld!
• Addon Vitest: Transform @storybook/nextjs imports to @storybook/nextjs-vite during init - #31180, thanks @valentinpalkovic!
• Addon Vitest: Use its own cache directory - #31439, thanks @yannbf!
• Addon-a11y: Replace element parameter with context - #31036, thanks @JReinhold!
• Addon-A11y: Various improvements - #30774, thanks @ghengeveld!
• Addon-Essentials: Remove addon-docs - #30856, thanks @ndelangen!
• Addon-Test: Automatically load before all - #30584, thanks @kasperpeulen!
• Addon-test: Exclude storybook-static from coverage reports - #31005, thanks @JReinhold!
• Addon-test: Fix watching non-story files, run all tests on preview change - #31045, thanks @JReinhold!
• Addon-Test: Migrate to new test provider API, drop Vitest 2 support - #30875, thanks @JReinhold!
• Addon-Vitest: Always clean coverage before (re)running - #31540, thanks @JReinhold!
• Addon-vitest: Fix coverage being disabled with Run All button - #31074, thanks @JReinhold!
• Addon-vitest: Fix coverage when restarting Vitest due to config change - #31069, thanks @JReinhold!
• Addon-vitest: Fix wrong test count in telemetry - #31504, thanks @JReinhold!
• Addon-vitest: Remove internal log for staticDir - #31340, thanks @JReinhold!
• Addon-vitest: Support paths with spaces - #31437, thanks @ndelangen!
• Addons: Add shim Storybook addons for previously removed addons - #31520, thanks @valentinpalkovic!
• Addons: Move @storybook/addon-interactions into core - #30916, thanks @valentinpalkovic!
• Addons: Remove @storybook/addon-storysource - #31007, thanks @valentinpalkovic!
• Addons: Update the Viewport and Background Addon - #30841, thanks @ndelangen!
• AddonVitest: Use framework package, not renderer - #31133, thanks @ndelangen!
• All packages: Remove unused dependencies - #31227, thanks @webpro!
• Angular: Add @angular-devkit/build-angular to default installed pacakages in angular - #30790, thanks @kasperpeulen!
• Angular: Filter non-inputs from controls - #30550, thanks @robertIsaac!
• Angular: remove invalid defaults for start-storybook - #31337, thanks @AgentEnder!
• ArgTypes: Always extract argTypes, even without addon-docs - #31488, thanks @JReinhold!
• Autoblock: Add autoblocker for addon-test - #31068, thanks @valentinpalkovic!
• Autoblock: Fix link - #31236, thanks @valentinpalkovic!
• AutoBlocker: Add major version upgrade blocker - #30714, thanks @ndelangen!
• Automigrate: Disable missingStorybookDependencies for 9.0 - #30769, thanks @ndelangen!
• Automigrate: Prefer framework import - #30785, thanks @ndelangen!
• Automigration: Add new Storybook addons to consolidated packages mapping - #30993, thanks @valentinpalkovic!
• Automigration: Adjust addon-docs install condition - #31343, thanks @valentinpalkovic!
• Automigration: Always scan file system to substitute essential addons - #31176, thanks @valentinpalkovic!
• Automigration: Correctly apply the wrap-require automigration in ESM modules - #31420, thanks @valentinpalkovic!
• Automigration: Enhance import transformation to handle partial package matches - #31033, thanks @valentinpalkovic!
• Automigration: Ensure correct addition of missing dependencies - #31023, thanks @valentinpalkovic!
• Automigration: Fix an issue when main.js addons have dynamic values - #31273, thanks @valentinpalkovic!
• Automigration: Fix consolidated-imports with sub-paths - #31135, thanks @ndelangen!
• Automigration: Fix wrap require wrapper - #31569, thanks @valentinpalkovic!
• Automigration: Improve renderer to framework automigration - #31397, thanks @valentinpalkovic!
• Automigration: Migrate users to codePanel - #31313, thanks @valentinpalkovic!
• Automigration: Misc addon-essentials migration fixes - #31072, thanks @valentinpalkovic!
• Automigration: Pass over flags when calling automigrations - #31342, thanks @valentinpalkovic!
• Automigration: Remove @storybook/addon-essentials proper - #31015, thanks @ndelangen!
• Automigration: Remove docs.autodocs field - #31203, thanks @ndelangen!
• Automigration: Respect config-dir option - #31233, thanks @valentinpalkovic!
• Automigration: Update mapping for '@storybook/experimental-nextjs-vite' - #30991, thanks @valentinpalkovic!
• Automigrations: Add logging - #31066, thanks @valentinpalkovic!
• Automigrations: Fix installation of addon-docs - #31399, thanks @valentinpalkovic!
• Automigrations: Re-add renderer-to-framework and fix issue in monorepositories - #31011, thanks @valentinpalkovic!
• Backgrounds/Viewport: Fix resetting - #31386, thanks @valentinpalkovic!
• Blocks: IconGallery improvement - #30743, thanks @leeovictor!
• Build: Update import paths and enable syntax minification - #31390, thanks @ndelangen!
• Cleanup: Remove obsolete dependency - #31177, thanks @valentinpalkovic!
• CLI: Add storybook-static to .gitignore on init - #31201, thanks @JReinhold!
• CLI: Add detection for the storybook package being behind any other core packages - #30861, thanks @kasperpeulen!
• CLI: Add index command / API - #30071, thanks @shilman!
• CLI: Add React Native .rnstorybook CLI automigration - #30882, thanks @shilman!
• CLI: Detect correct storybook version on upgrade - #31393, thanks @yannbf!
• CLI: Do not install renderer package on init - #30799, thanks @ndelangen!
• CLI: Enhance compatibility check: deprecated detection - #31317, thanks @ndelangen!
• CLI: Fix framework for preview imports - #31101, thanks @valentinpalkovic!
• CLI: Fix get versions utility for NPM - #29577, thanks @johnrcui!
• CLI: Improve CLI upgrade process for @latest and @next - #31356, thanks @yannbf!
• CLI: Improve package upgrade logic - #31406, thanks @yannbf!
• CLI: Install prereleases of @chromatic-com/storybook - #30662, thanks @JReinhold!
• CLI: Make sure that the add commands logs all output to the console - #30865, thanks @kasperpeulen!
• CLI: Remove @latest from yarn create commands - #31458, thanks @ndelangen!
• CLI: Supress npm notice update log messages - #31334, thanks @yannbf!
• CLI: Tweak init prompt - #31376, thanks @shilman!
• CLI: Update nx docs in Storybook detection error - #31266, thanks @yannbf!
• CLI: Wrap object addon names in wrap-require migration - #31285, thanks @yatishgoel!
• CodePanel: Show originalSource code - #31456, thanks @valentinpalkovic!
• Controls: Embed addon-controls into the core - #30864, thanks @ndelangen!
• Controls: Remove empty state video link - #31539, thanks @kylegach!
• Core / Addon A11y: Emit STORY_HOT_UPDATED and rerun A11y tests on HMR - #31423, thanks @ghengeveld!
• Core: Add error boundary to tabs to prevent addon errors breaking Storybook - #30952, thanks @kasperpeulen!
• Core: Add highlight as public API - #31134, thanks @valentinpalkovic!
• Core: Add preview navigator and --preview-only CLI flag - #31102, thanks @JReinhold!
• Core: Automatically expand testing module on unhandled error - #31028, thanks @ghengeveld!
• Core: Avoid pre-bundling of preview-api in manager entries - #31385, thanks @valentinpalkovic!
• Core: Bring back loading globals from global types in portable stories - #31328, thanks @yannbf!
• Core: Builder-manager disable metafile - #31467, thanks @ndelangen!
• Core: Change require.resolve path for storybook/package.json - #31230, thanks @valentinpalkovic!
• Core: Cleanup dependencies - #31222, thanks @JReinhold!
• Core: Create features for addons moved into core - #31146, thanks @ndelangen!
• Core: Do not show 'Render story' step in interactions - #31452, thanks @ghengeveld!
• Core: Draw highlights on top of canvas and add various new features - #30894, thanks @ghengeveld!
• Core: Fix core annotations applied twice - #31361, thanks @valentinpalkovic!
• Core: Fix favicon issue on dev server - #30818, thanks @MuhdHishamP!
• Core: Fix flaky unit tests related to stores - #30963, thanks @JReinhold!
• Core: Fix highlight clickEvent serialization and export public types - #31179, thanks @ghengeveld!
• Core: Fix highlight conflicts - #31204, thanks @ghengeveld!
• Core: Fix highlighting zero-pixel elements and focus on single element - #31183, thanks @ghengeveld!
• Core: Fix sidebar accessibility order for screen readers - #31250, thanks @yatishgoel!
• Core: Improve unhandled error detection - #31440, thanks @kasperpeulen!
• Core: Increase compile targets for node & browsers - #31139, thanks @JReinhold!
• Core: Make sure to only mutate writable arrays - #31578, thanks @kasperpeulen!
• Core: Move @storybook/addon-actions into storybook - #30765, thanks @valentinpalkovic!
• Core: Move @storybook/instrumenter into core - #30740, thanks @valentinpalkovic!
• Core: New Status Store - #30764, thanks @JReinhold!
• Core: New Test Provider Store - #30828, thanks @JReinhold!
• Core: Prebundle jsdoc-type-pratt-parser again - #30923, thanks @kasperpeulen!
• Core: Re-Export renderers from frameworks - #30771, thanks @ndelangen!
• Core: Remove util, browser-assert, process deps - #30805, thanks @ndelangen!
• Core: Remove uuid package from core - #31219, thanks @JReinhold!
• Core: Remove deprecated parts of test provider API - #30962, thanks @JReinhold!
• Core: Remove duplicate notification dot on sidebar buttons on mobile - #31485, thanks @ghengeveld!
• Core: Remove maximum-scale=1 from viewport meta tag - #31283, thanks @yatishgoel!
• Core: Rename local tests to interactions - #31141, thanks @yannbf!
• Core: Set a minimum height/width for the targetable area of highlights - #31486, thanks @ghengeveld!
• Core: Show "Render story" event explicitly in Component Tests event trace - #31027, thanks @ghengeveld!
• Core: Support groups and info icon in highlight popover menu - #31475, thanks @ghengeveld!
• Core: Support React Native environment without static class blocks - #31282, thanks @JReinhold!
• Core: Testing Module UI improvements - #30773, thanks @ghengeveld!
• Core: Wait for animations before completing render cycle - #31287, thanks @ghengeveld!
• CSF-Tools: Add support for existing node imports and improve import handling - #31497, thanks @valentinpalkovic!
• Csf-Tools: Enhance setFieldNode logic to handle variable declarations - #31056, thanks @valentinpalkovic!
• CSF: Fix handling of renamed story exports - #31519, thanks @JReinhold!
• Dependencies: Update dependencies - #31143, thanks @valentinpalkovic!
• Dependencies: Update docgen - #31465, thanks @ndelangen!
• Dependencies: Upgrade @types/estree package to version v1.0.6 - #29477, thanks @hakshu25!
• Dependencies: Upgrade telejson - #30998, thanks @ndelangen!
• Dependencies: Upgrades - #30515, thanks @ndelangen!
• Dependencies: Upgrades for security - #31235, thanks @ndelangen!
• Dependencies: Upgrades for security - #31276, thanks @ndelangen!
• Dependencies: Upgrades for security - #31291, thanks @ndelangen!
• Docs: Consolidate blocks into addon-docs - #31097, thanks @ndelangen!
• Docs: Fix source code panel - #31245, thanks @valentinpalkovic!
• Eslint-plugin: Handle JSON5 format - #31336, thanks @yatishgoel!
• ESLint: Fix flat config setup - #31192, thanks @yannbf!
• Essentials: Move remaining addons into core - #30924, thanks @ndelangen!
• Highlights: Dont run highlights when the feature is disabled - #31239, thanks @dannyhw!
• Hooks: Stabilize experimental afterEach hook - #31438, thanks @valentinpalkovic!
• HTML Framework: Remove support for HTML Webpack 5 - #30990, thanks @valentinpalkovic!
• Indexer: Do not create autodocs entries unless addon-docs installed - #31331, thanks @ndelangen!
• Init: Install framework stories instead of renderer stories - #31160, thanks @valentinpalkovic!
• Instrumenter: Fix preview-api import for react-native - #31057, thanks @ndelangen!
• Interactions: Rename component test panel - #31130, thanks @valentinpalkovic!
• Maintenance: Drop tooling support - #30940, thanks @valentinpalkovic!
• Maintenance: Merge @storybook/core with storybook - #30168, thanks @ndelangen!
• Maintenance: Migrate eslint-storybook-plugin into the monorepo - #31151, thanks @yannbf!
• Maintenance: Remove aliasses in builder configurations & scripts - #31344, thanks @ndelangen!
• Maintenance: Remove deprecated APIs - #30926, thanks @valentinpalkovic!
• Maintenance: Remove deprecated packages - #30690, thanks @ndelangen!
• Maintenance: Remove obsolete automigrations - #30945, thanks @valentinpalkovic!
• Maintenance: Specify that Addon Test now requires Vitest 3.0 - #30948, thanks @yannbf!
• Manager: Add reactivity to useParameter - #31579, thanks @valentinpalkovic!
• Manager: Fix Uncaught ReferenceError: global is not defined - #30970, thanks @JReinhold!
• Migration: Add auto-automigration for merged packages - #30753, thanks @ndelangen!
• Migration: Improve glob question text - #31118, thanks @ndelangen!
• Next.js-Vite: Stabilize @storybook/experimental-nextjs-vite - #30956, thanks @valentinpalkovic!
• Next.js: Remove deprecated compatibility files - #31295, thanks @valentinpalkovic!
• Next.js: Upgrade image-size to 2.0 - #30741, thanks @valentinpalkovic!
• Nextjs Vite: Add runtime check for malformed postcss config - #31184, thanks @valentinpalkovic!
• Nextjs-Vite: Update vite-plugin-storybook-nextjs version and add optimizeDeps - #31037, thanks @valentinpalkovic!
• Node.js: Align Node.js version support - #31041, thanks @valentinpalkovic!
• Preact: Remove support for Preact Webpack 5 - #30957, thanks @valentinpalkovic!
• Presets: Use .js files when .cjs files are passed for entries that should be ESM - #31556, thanks @JReinhold!
• Pseudo States: Ignore escaped pseudo-class names - #31515, thanks @sentience!
• React Native Web: Add RNW to vitest supported frameworks - #31253, thanks @dannyhw!
• React Native: Fix support for 9.0 - #31518, thanks @JReinhold!
• React-Native: Fix __STORYBOOK_ADDON_INTERACTIONS_INSTRUMENTER_STATE__ access - #30820, thanks @dannyhw!
• React-Native: Fix userEvent.setup() errors in jest - #30833, thanks @dannyhw!
• React-Native: Fix userEvent.setup() errors outside browser context - #30831, thanks @dannyhw!
• React-Native: Update config directory to .rnstorybook - #30819, thanks @dannyhw!
• React: Don't use Act wrapper in Storybook when rendering in docs - #31483, thanks @kasperpeulen!
• React: Ensure render functions and decorators are react components - #30869, thanks @kasperpeulen!
• React: Export returntype of ReactMeta#story - #30580, thanks @mrginglymus!
• React: Remove react import in template files - #30757, thanks @kasperpeulen!
• Refactor: Update panel IDs in vitest addon to use new constants - #31132, thanks @ndelangen!
• Remove: Addon mdx-gfm (@storybook/addon-mdx-gfm) - #30996, thanks @ndelangen!
• Revert "Svelte: Adjust Svelte typings to include Svelte 5 function components" - #30851, thanks @kasperpeulen!
• Save from Controls: Replace rendererPackage with frameworkPackage - #31114, thanks @valentinpalkovic!
• Source Loader: Remove package - #31466, thanks @valentinpalkovic!
• Source: Support async parameters.docs.source.transform - #30426, thanks @valentinpalkovic!
• Svelte-vite: Improve SvelteKit detection error - #31038, thanks @JReinhold!
• Svelte: Adjust Svelte typings to include Svelte 5 function components - #30812, thanks @dummdidumm!
• Svelte: Drop Support for Svelte < 5 - #30703, thanks @valentinpalkovic!
• Svelte: Fix missing ts-dedent dependency - #31289, thanks @JReinhold!
• Svelte: Install latest version of @storybook/addon-svelte-csf - #31398, thanks @JReinhold!
• Svelte: Pin svelte2tsx to solve argType regression - #30783, thanks @kasperpeulen!
• Svelte: Remove dependency on sveltedoc-parser - #31246, thanks @JReinhold!
• Svelte: Remove unused svelte-preprocess dependency - #31332, thanks @JReinhold!
• SvelteKit: Forward form events when mocking enhance - #31360, thanks @JReinhold!
• Telemetry: Add Svelte CSF usage - #31255, thanks @shilman!
• Telemetry: Use version from our package.json for storybookVersion - #31577, thanks @tmeasday!
• Test Addon: Stabilize and remove experimental status - #30727, thanks @valentinpalkovic!
• Test: Allow generics in expect matchers - #31395, thanks @yannbf!
• Test: Handle non-configurable properties in instrumenter for expect.toThrow - #30876, thanks @kasperpeulen!
• Test: Make sure that expect has no different behavior after instrumentation - #30935, thanks @kasperpeulen!
• Test: Move @storybook/test into storybook/test - #30742, thanks @valentinpalkovic!
• Test: Patch HTMLElement.prototype.focus method for settable focus in tests - #31487, thanks @valentinpalkovic!
• Test: Remove legacy Vitest v2 code - #31271, thanks @valentinpalkovic!
• Test: Upgrade to vitest 3 - #30840, thanks @kasperpeulen!
• Test: Use @testing-library/dom as devDependency - #31188, thanks @valentinpalkovic!
• Toolbars: Embed addon-toolbars into the core - #30871, thanks @ndelangen!
• Typescript: Drop Typescript < 4.9 support - #30736, thanks @valentinpalkovic!
• UI: Add options to hide sidebar and toolbar per story - #29516, thanks @Sidnioulz!
• UI: Clear filters on run all and clear all statuses - #31073, thanks @JReinhold!
• UI: Don't include error state in sidebar context menu - #31054, thanks @ghengeveld!
• UI: Fix status missing from sidebar - #30830, thanks @JReinhold!
• UI: Visual tweaks to badges and improved layout for a11y panel - #30955, thanks @ghengeveld!
• Update react-router-dom to lowest React19 type-compatible version - #31358, thanks @mrginglymus!
• Viewport: Embed addon-viewport in the core - #30909, thanks @ndelangen!
• Viewport: Fix globals type - #31374, thanks @flaval!
• Vite-Builder: Handle undefined previewConfig - #31216, thanks @valentinpalkovic!
• Vite: Add 'storybook/viewport' to INCLUDE_CANDIDATES in optimizeDeps.ts - #31039, thanks @valentinpalkovic!
• Vite: Improve handling of preview annotations - #28798, thanks @tobiasdiez!
• Vite: Normalize preview annotation paths - #31238, thanks @mrginglymus!
• Vite: Support Vite 6 and Docs - #31061, thanks @valentinpalkovic!
• Vitest: Remove beforeAll in vitest.setup.ts in automigration - #31460, thanks @kasperpeulen!
• Vue3: Remove support for Webpack 5 - #30958, thanks @valentinpalkovic!
• Web Components: Remove Webpack 5 support - #30988, thanks @valentinpalkovic!
• Yarn: Update Yarn package command execution to use 'exec' - #31065, thanks @valentinpalkovic!

Total contributions: 240
Unique contributors: 29