# What changed in configcat-js

> 1 change in configcat-js 9 from its official release notes, upgrade guides and advisories: 1 deprecations. Each one cited. Sources checked 2026-10-18. HTML: https://unstale.sh/npm/configcat-js/

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## configcat-js 9

### Deprecations

- configcat-js is deprecated on its registry: Official support for this package has ended. Please migrate to @configcat/sdk. For guidance on migration, see https://configcat.com/docs/sdk-reference/js/#migration-to-the-new-sdk (9.6.1) — [source](https://www.npmjs.com/package/configcat-js)