npm / @storybook/test-runner
@storybook/test-runner
What changed in @storybook/test-runner 0.24 to 0.26, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-20.
3 breaking2 tooling5 fixes and other
See which of these apply to your code, ranked, in your agent:
npx @unstale/cli init@storybook/test-runner 0.261 changes
Fixes and other changes 1
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.
@storybook/test-runner 0.249 changes
Breaking changes 3
The test runner now supports Jest 30.
The test runner now supports Storybook 10.
The package is now ESM only, which is a breaking change for consumers using CommonJS.
Tooling 2
Adds Storybook prerelease peer dependencies, allowing the package to declare compatibility with prerelease Storybook versions.
Adds support for Storybook 10.4 alpha.
Fixes and other changes 4
Adds Storybook 11 prereleases to the peer dependency declarations, allowing the test runner to declare compatibility with them.
Adds support for using the test runner with Storybook 10.x.
The test runner now supports Storybook 9.2.
The dependency range now allows canary versions.