happo for npm release notes

The happo npm package: the CLI and its Storybook, Cypress and Playwright integrations.

September 15, 2026

6.17.0

Build Storybook previews without the manager UI by default, reducing bundle size. Add previewOnly: false configuration option to include the Storybook manager UI when needed (#602) [by @lencioni in #602]
Warn when a Storybook is built in development mode to catch framework size issues (#601) [by @trotzig in #601]
Update React to 19.3.0 and related dependencies
Fix CVE-2026-87908 in multiparty dependency