storybook
10.6.5 · 27 Oct 2026MIT22.3M / weekRepositoryHomepagenpmAtom feed
Upgrading storybook from 8.6.19 to 9.0.0
1 release in betweenevery note read
- 8
- changes to make
- 0
- advisories fixed
- 30
- new
- 50
- fixes
Start here
Before you upgrade
Tick each one off as you go- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
- breaking9.0.0
Security
4 advisories still affect 9.0.0
- 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 9.1.21 clears them.
Release by release
- new
Addon A11y: Add
linkPathto Axe results and use it in copy link action - new
Addon Vitest: Support
vitest.projects.tsfile as workspace file during postinstall - new
Addon-vitest: Support paths with spaces
- new
Addons: Add shim Storybook addons for previously removed addons
- new
141 other lines we could not sort, mostly version bumps
- 9.0.0
Component testing
- 9.0.0
🪶 48% lighter bundle
- 9.0.0
🏷️ Tags-based organization
- 9.0.0
🌐 Story globals
- 9.0.0
🏗️ Major upgrades: Svelte, Next, React Native, Angular
- 9.0.0
Addon A11y: Improve selector automigration detection
- 9.0.0
Addon A11y: Only run checks in story mode
- 9.0.0
Addon A11y: Provide full report in a11y manual runs
- 9.0.0
Addon A11y: Use short titles and friendly summary messages in A11y report
- 9.0.0
Addon Docs: Improve TableOfContents HTML structure and a11y
14 internal lines (docs, tests, tooling) left out.