Impacted versions 7–10. Patches available now.

Generate code with your components faster using fewer tokens

ESM-only, 29% lighter, module automocking, and more

Smaller, simpler, and modern

Automatic, fast, powerful mocking for your stories

Best-in-class Component Testing at your fingertips

How we cut Storybook’s bundle size in half

How Storybook 9 integrates accessibility into every part of the development lifecycle

Stories give you free test coverage

The lean, mean component testing machine

Try the future of UI testing today

How we're overhauling the Accessibility Addon in Storybook 9.0

Accessibility at your fingertips

Organize your components and stories to match the way you work

Fully test React Server Components in the browser, fast