storybook

v10.4.3 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 1mo Documentation

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

angular components design-systems documentation html javascript

+14 more

react react-native stories storybook styleguide svelte testing typescript ui vite vue web-components webpack workshop

Summary

AI summary

Fixed Addon Docs blocks not rendering in custom MDX pages.

Type	Severity	Summary	CVE
Feature	Medium	Respect !dev tag on MDX docs in sidebar Respect !dev tag on MDX docs in sidebar Source: llm_adapter@2026-06-09 Confidence: high	—
Feature	Medium	Add support for resolving subcomponents attached as properties of a parent component in React Add support for resolving subcomponents attached as properties of a parent component in React Source: llm_adapter@2026-06-09 Confidence: high	—
Bugfix	Medium	Fix Primary and Controls blocks not rendering in custom MDX pages Fix Primary and Controls blocks not rendering in custom MDX pages Source: llm_adapter@2026-06-09 Confidence: high	—
Bugfix	Medium	Prevent docs page scroll reset on HMR re-render Prevent docs page scroll reset on HMR re-render Source: llm_adapter@2026-06-09 Confidence: high	—

Full changelog

Addon Docs: Fix Primary and Controls blocks not rendering in custom MDX pages - #34496, thanks @NYCU-Chung!
Core: Respect !dev tag on MDX docs in sidebar - #35031, thanks @JReinhold!
React: Add support for resolving subcomponents attached as properties of a parent component - #34967, thanks @yatishgoel!
UI: Prevent docs page scroll reset on HMR re-render - #35021, thanks @LongTangGithub!

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Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation