storybook

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• Maintenance: Fix broken and outdated documentation links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