# What changed in @storybook/test-runner

> 10 changes in @storybook/test-runner 0.24 to 0.26 from its official release notes, upgrade guides and advisories: 3 breaking. Each one cited. Sources checked 2026-10-20. HTML: https://unstale.sh/npm/@storybook/test-runner/

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

## @storybook/test-runner 0.26

### Fixes and other changes

- Adds peer dependency support for Storybook 10.5, 10.6, and 11.0 prereleases, allowing the test runner to be used with those prerelease versions. (0.26.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.26.0)

## @storybook/test-runner 0.24

### Breaking changes

- The test runner now supports Jest 30. (0.24.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.0)
- The test runner now supports Storybook 10. (0.24.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.0)
- The package is now ESM only, which is a breaking change for consumers using CommonJS. (0.24.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.0)

### Tooling

- Adds Storybook prerelease peer dependencies, allowing the package to declare compatibility with prerelease Storybook versions. (0.24.4) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.4)
- Adds support for Storybook 10.4 alpha. (0.24.3) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.3)

### Fixes and other changes

- Adds Storybook 11 prereleases to the peer dependency declarations, allowing the test runner to declare compatibility with them. (0.24.5) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.5)
- Adds support for using the test runner with Storybook 10.x. (0.24.1) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.1)
- The test runner now supports Storybook 9.2. (0.24.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.0)
- The dependency range now allows canary versions. (0.24.0) — [release notes](https://github.com/storybookjs/test-runner/releases/tag/v0.24.0)