storybook
10.6.5 · 27 Oct 2026MIT22.3M / weekRepositoryHomepagenpmAtom feed
Upgrading storybook from 8.3.7 to 8.4.0
1 release in betweenevery note read
Security
4 advisories still affect 8.4.0
- Storybook manager bundle may expose environment variables during buildhigh · GHSA-8452-54wp-rmv6
- Storybook: Missing origin validation in Storybook preview allows code injection from malicious websitescritical · GHSA-f2ph-cmg5-wxc8
- Storybook Dev Server is Vulnerable to WebSocket Hijackinghigh · GHSA-mjf5-7g4m-gx5w
- Storybook dev server vulnerable to code injection from the local networkhigh · GHSA-px85-f4q5-jh77
Upgrading to 8.6.19 clears them.
Release by release
- new
Addon-Test: Support for
@vitest/browserv2.1.2 - new
Core: Add unified UI Testing Module
- new
Manager: Add tags property to ComponentEntry objects
- new
Viewport-addon: Add InitialViewportKeys type to viewport addon
- new
40 other lines we could not sort, mostly version bumps
- 8.4.0
▶️ Unified UI for component testing
- 8.4.0
5️⃣ Svelte 5 and Svelte CSF support
- 8.4.0
⚛️ React Native Storybook 8 release
- 8.4.0
🏷️ Tags-based filtering to organize your Storybook
- 8.4.0
🫧 Dependency cleanup to reduce install footprint
- 8.4.0
💯 Hundreds more improvements
- 8.4.0
Addon Test: Adjust file exports to be ESM/CJS compatible
- 8.4.0
Addon Test: Error when addon interactions exists
- 8.4.0
Addon Test: Escape XML when converting ANSI to HTML in test errors
- 8.4.0
Addon Test: Improve Error Handling
2 internal lines (docs, tests, tooling) left out.