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Storybook 10.3.0

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Release notes

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We summarize recent releases. The original release notes for this version are below.

release-notesgithub.com/storybookjs/storybook · 97 lines
  1. ## 10.3.0
  3. _> Improved developer experience, AI-assisting tools, and broader ecosystem support_
  5. Storybook 10.3 contains hundreds of fixes and improvements including:
  7. - 🤖 Storybook MCP: Agentic component dev, docs, and test (Preview release for React)
  8. - ⚡ Vite 8 support
  9. - ▲ Next.js 16.2 support
  10. - 📝 ESLint 10 support
  11. - 〰️ Addon Pseudo-States: Tailwind v4 support
  12. - 🔧 Addon-Vitest: Simplified configuration - no more setup files required
  13. - ♿ Numerous accessibility improvements across the UI
  15. <details>
  16. <summary>List of all updates</summary>
  18. - A11y: Add ScrollArea prop focusable for when it has static children - [#33876](https://github.com/storybookjs/storybook/pull/33876), thanks @Sidnioulz!
  19. - A11y: Ensure popover dialogs have an ARIA label - [#33500](https://github.com/storybookjs/storybook/pull/33500), thanks @gayanMatch!
  20. - A11y: Make resize handles for addon panel and sidebar accessible [#33980](https://github.com/storybookjs/storybook/pull/33980)
  21. - A11y: Underline MDX links for WCAG SC 1.4.1 compliance - [#33139](https://github.com/storybookjs/storybook/pull/33139), thanks @NikhilChowdhury27!
  22. - Actions: Add expandLevel parameter to configure tree depth - [#33977](https://github.com/storybookjs/storybook/pull/33977), thanks @mixelburg!
  23. - Actions: Fix HandlerFunction type to support async callback props - [#33864](https://github.com/storybookjs/storybook/pull/33864), thanks @mixelburg!
  24. - Addon-Docs: Add React as optimizeDeps entry - [#34176](https://github.com/storybookjs/storybook/pull/34176), thanks @valentinpalkovic!
  25. - Addon-Docs: Add support for \`sourceState: \'none\'\` to canvas block parameters - [#33627](https://github.com/storybookjs/storybook/pull/33627), thanks @quisido!
  26. - Addon-docs: Restore \`docs.components\` overrides for doc blocks [#34111](https://github.com/storybookjs/storybook/pull/34111)
  27. - Addon-Vitest: Add channel API to programmatically trigger test runs - [#33206](https://github.com/storybookjs/storybook/pull/33206), thanks @JReinhold!
  28. - Addon-Vitest: Handle additional vitest config export patterns in postinstall - [#34106](https://github.com/storybookjs/storybook/pull/34106), thanks @copilot-swe-agent!
  29. - Addon-Vitest: Make Playwright \`--with-deps\` platform-aware to avoid \`sudo\` prompt on Linux [#34121](https://github.com/storybookjs/storybook/pull/34121)
  30. - Addon-Vitest: Refactor Vitest setup to eliminate the need for a dedicated setup file - [#34025](https://github.com/storybookjs/storybook/pull/34025), thanks @valentinpalkovic!
  31. - Addon-Vitest: Support Vitest canaries - [#33833](https://github.com/storybookjs/storybook/pull/33833), thanks @valentinpalkovic!
  32. - Angular: Add moduleResolution: bundler to tsconfig - [#34085](https://github.com/storybookjs/storybook/pull/34085), thanks @valentinpalkovic!
  33. - Angular: only load webpack dependencies on demand - [#34043](https://github.com/storybookjs/storybook/pull/34043), thanks @sod!
  34. - Angular: Storybook fails with unknown option silent - [#33736](https://github.com/storybookjs/storybook/pull/33736), thanks @tanujbhaud!
  35. - Build: Update @types/node - [#34037](https://github.com/storybookjs/storybook/pull/34037), thanks @valentinpalkovic!
  36. - Builder-Vite: Centralize Vite plugins for builder-vite and addon-vitest - [#33819](https://github.com/storybookjs/storybook/pull/33819), thanks @valentinpalkovic!
  37. - Builder-Vite: Fix cold-cache vitest failures for story paths containing glob special characters - [#34044](https://github.com/storybookjs/storybook/pull/34044), thanks @copilot-swe-agent!
  38. - Builder-Vite: Use preview annotations as entry points for optimizeDeps - [#33875](https://github.com/storybookjs/storybook/pull/33875), thanks @copilot-swe-agent!
  39. - CI: declare explicit permissions for stale and weekly cron workflows - [#33902](https://github.com/storybookjs/storybook/pull/33902), thanks @Rohan5commit!
  40. - CLI: Add vike CLI metadata - [#34189](https://github.com/storybookjs/storybook/pull/34189), thanks @yannbf!
  41. - CLI: Avoid hanging of postinstall during init - [#34175](https://github.com/storybookjs/storybook/pull/34175), thanks @valentinpalkovic!
  42. - CLI: Fix onboarding not opening - [#33609](https://github.com/storybookjs/storybook/pull/33609), thanks @ndelangen!
  43. - CLI: Show multiple favicons warning as debug message - [#34069](https://github.com/storybookjs/storybook/pull/34069), thanks @remino!
  44. - Cli: Use npm for registry URL in PNPMProxy to avoid workspace errors - [#33571](https://github.com/storybookjs/storybook/pull/33571), thanks @ia319!
  45. - Controls: Allow story argTypes to override control: false from meta - [#33729](https://github.com/storybookjs/storybook/pull/33729), thanks @jonathan-fulton!
  46. - Controls: Fix Object contrast issue and tidy up code - [#33923](https://github.com/storybookjs/storybook/pull/33923), thanks @Sidnioulz!
  47. - Core: Ensure telemetry is never triggered on initial load of checklist data - [#33918](https://github.com/storybookjs/storybook/pull/33918), thanks @ghengeveld!
  48. - Core: Fix event source URL based on refId when multiple iframes share the same origin [#34105](https://github.com/storybookjs/storybook/pull/34105)
  49. - Core: Fix false-positive CJS warning when \'exports\' appears in strings or comments - [#33572](https://github.com/storybookjs/storybook/pull/33572), thanks @reeseo3o!
  50. - Core: Fix handling complex viewport sizes [#33615](https://github.com/storybookjs/storybook/pull/33615)
  51. - Core: Fix iframe reference for composed Storybook on a subpath [#34100](https://github.com/storybookjs/storybook/pull/34100)
  52. - Core: Fix typos: occured -> occurred, recieves -> receives - [#33727](https://github.com/storybookjs/storybook/pull/33727), thanks @jonathan-fulton!
  53. - Core: Handle BROWSER=none correctly and improve error messages - [#33730](https://github.com/storybookjs/storybook/pull/33730), thanks @jonathan-fulton!
  54. - Core: Ignore empty files when indexing - [#33782](https://github.com/storybookjs/storybook/pull/33782), thanks @JReinhold!
  55. - Core: Register CORS middleware before index.json route - [#33728](https://github.com/storybookjs/storybook/pull/33728), thanks @jonathan-fulton!
  56. - Core: Revert Pull Request #33420 from Maelryn/fix/copy-button-overlap - [#33877](https://github.com/storybookjs/storybook/pull/33877), thanks @Sidnioulz!
  57. - Core: Zoom tool refinements - Hide reset button when value is initial - [#33635](https://github.com/storybookjs/storybook/pull/33635), thanks @superLipbalm!
  58. - Docs: Edit JSON button is now accessible at 320x256 viewport (WCAG 2.1 Reflow test) - [#33707](https://github.com/storybookjs/storybook/pull/33707), thanks @TheSeydiCharyyev!
  59. - Docs: Make CSS ordering in DocsContainer more predictable [#34015](https://github.com/storybookjs/storybook/pull/34015)
  60. - ESLint-plugin: Disallow extra properties in eslint plugin rule options - [#32056](https://github.com/storybookjs/storybook/pull/32056), thanks @andreww2012!
  61. - ESLint: bail out config setup if eslint-plugin-storybook is already imported - [#34089](https://github.com/storybookjs/storybook/pull/34089), thanks @copilot-swe-agent!
  62. - HMR: Fix race conditions causing stale play functions to fire on re-rendered stories - [#33930](https://github.com/storybookjs/storybook/pull/33930), thanks @copilot-swe-agent!
  63. - Maintenance: Revert pull request #33930 HMR events - [#34190](https://github.com/storybookjs/storybook/pull/34190), thanks @yannbf!
  64. - Maintenance: Use std-env for AI agent detection in telemetry [#34114](https://github.com/storybookjs/storybook/pull/34114)
  65. - Manifest: Add docs entries to debugger - [#33607](https://github.com/storybookjs/storybook/pull/33607), thanks @JReinhold!
  66. - Manifest: Rename \`experimentalComponentsManifest\` → \`componentsManifest\`, default to \`true\` [#33974](https://github.com/storybookjs/storybook/pull/33974)
  67. - Manifests: Fix Attached MDX causing wrong component entries [#34101](https://github.com/storybookjs/storybook/pull/34101)
  68. - Next.js-Vite: Fix failing postcss mutation - [#33879](https://github.com/storybookjs/storybook/pull/33879), thanks @valentinpalkovic!
  69. - Next.js: Move image configuration from FrameworkOptions to parameters [#32639](https://github.com/storybookjs/storybook/pull/32639), thanks @y-hsgw!
  70. - Preact: Support inferring props from component types - [#33828](https://github.com/storybookjs/storybook/pull/33828), thanks @JoviDeCroock!
  71. - React Native Web: Fix inconsistent example stories - [#33891](https://github.com/storybookjs/storybook/pull/33891), thanks @danielalanbates!
  72. - React: Add react-docgen-typescript to component manifest - [#33818](https://github.com/storybookjs/storybook/pull/33818), thanks @kasperpeulen!
  73. - Revert \"Toolbar: Remove extra toolbar divider when zoom controls not shown\" - [#34099](https://github.com/storybookjs/storybook/pull/34099), thanks @valentinpalkovic!
  74. - Test: Fix clearing mocks in Vitest [#34078](https://github.com/storybookjs/storybook/pull/34078)
  75. - Test: Update @testing-library/jest-dom - [#33928](https://github.com/storybookjs/storybook/pull/33928), thanks @valentinpalkovic!
  76. - Theming: Export interface declaration for \`ThemesGlobals\` - [#33343](https://github.com/storybookjs/storybook/pull/33343), thanks @icopp!
  77. - Toolbar: Remove extra toolbar divider when zoom controls not shown - [#33731](https://github.com/storybookjs/storybook/pull/33731), thanks @jonathan-fulton!
  78. - UI: Allow direct kb/mouse actions on zoom tool button - [#33496](https://github.com/storybookjs/storybook/pull/33496), thanks @Sidnioulz!
  79. - UI: Avoid large animation for reduced motion users - [#33530](https://github.com/storybookjs/storybook/pull/33530), thanks @Sidnioulz!
  80. - UI: Ensure Link without href is keyboard-reachable - [#34163](https://github.com/storybookjs/storybook/pull/34163), thanks @Sidnioulz!
  81. - UI: Fix \`z-index\` problem with \`popover\`s and \`modal\`s nesting - [#33757](https://github.com/storybookjs/storybook/pull/33757), thanks @ndelangen!
  82. - UI: Fix code/copy buttons overlap with content - [#33889](https://github.com/storybookjs/storybook/pull/33889), thanks @Sidnioulz!
  83. - UI: Fix Copy button overlapping code in portrait mode - [#33420](https://github.com/storybookjs/storybook/pull/33420), thanks @Maelryn!
  84. - UI: Fix modal text selection - [#33967](https://github.com/storybookjs/storybook/pull/33967), thanks @Sidnioulz!
  85. - UI: Fix tab navigation after closing addon panel - [#33971](https://github.com/storybookjs/storybook/pull/33971), thanks @copilot-swe-agent!
  86. - UI: Handle kb nav edge cases when preview and panel are hidden - [#33588](https://github.com/storybookjs/storybook/pull/33588), thanks @Sidnioulz!
  87. - UI: Hide addon panel Drag on pages without a panel - [#34162](https://github.com/storybookjs/storybook/pull/34162), thanks @Sidnioulz!
  88. - UI: Hide manifest tag for now - [#34165](https://github.com/storybookjs/storybook/pull/34165), thanks @Sidnioulz!
  89. - UI: Make disabled Buttons keyboard-focusable - [#34166](https://github.com/storybookjs/storybook/pull/34166), thanks @Sidnioulz!
  90. - UI: Make TagsFilter state persistent [#33374](https://github.com/storybookjs/storybook/pull/33374)
  91. - UI: Use correct selector for addon panel focus check - [#34164](https://github.com/storybookjs/storybook/pull/34164), thanks @Sidnioulz!
  92. - UI: Zoom faster when pressing shift - [#34185](https://github.com/storybookjs/storybook/pull/34185), thanks @Sidnioulz!
  93. - Viewport: Skip viewport validation before parameters load - [#33794](https://github.com/storybookjs/storybook/pull/33794), thanks @ia319!
  94. - Vite: Add mock entries to optimizeDeps.entries - [#34167](https://github.com/storybookjs/storybook/pull/34167), thanks @valentinpalkovic!
  95. - Vue3-Vite: Allow paths in docgen tsconfig option [#32310](https://github.com/storybookjs/storybook/pull/32310), thanks @Thomaash!
  97. </details>

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