# What changed in msw-storybook-addon

> 4 changes in msw-storybook-addon 2 to 3 from its official release notes, upgrade guides and advisories: 1 breaking. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/msw-storybook-addon/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## msw-storybook-addon 3

### Breaking changes

- The addon has a new architecture; see MIGRATION.md for migration instructions and codemods. (3.0.0) — [release notes](https://github.com/mswjs/msw-storybook-addon/releases/tag/v3.0.0)

### Fixes and other changes

- Adds support for Storybook 10 and 11. (3.0.3) — [release notes](https://github.com/mswjs/msw-storybook-addon/releases/tag/v3.0.3)
- The story context is augmented from every entrypoint, fixing type availability across entrypoints. (3.0.1) — [release notes](https://github.com/mswjs/msw-storybook-addon/releases/tag/v3.0.1)

## msw-storybook-addon 2

### Fixes and other changes

- The addon stops relying on worker.context, avoiding issues caused by that dependency. (2.0.7) — [release notes](https://github.com/mswjs/msw-storybook-addon/releases/tag/v2.0.7)