Accessibility testing We overhauled Storybook’s most popular addon to be even more helpful. Inspect violations in the story preview, and easily run accessibility tests for all of your stories.

Visual testing We’ve integrated visual testing into Storybook Test as well. Make a change and quickly check all of your stories for any visual differences.

Test coverage Calculate test coverage whenever you run your tests, and open an interactive report from Storybook.

48% lighter weight Less than half the size of Storybook 8, with a much, much smaller and flatter dependency tree.

Tags for organizing your stories Use built-in and custom tags to filter down to exactly what you need to get your work done.