# What changed in firebase-admin

> 5 changes in firebase-admin 14 from its official release notes, upgrade guides and advisories: 1 deprecations. Each one cited. Sources checked 2026-10-19. HTML: https://unstale.sh/npm/firebase-admin/

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

## firebase-admin 14

### Deprecations

- Machine Learning APIs are deprecated; developers should account for their deprecated status when using them. (14.4.0) — [release notes](https://github.com/firebase/firebase-admin-node/releases/tag/v14.4.0)

### Behavior and default changes

- Topic subscriptions now use the FCM v1 API. (14.5.0) — [release notes](https://github.com/firebase/firebase-admin-node/releases/tag/v14.5.0)
- The Data Connect X-Client-Version header value now follows the Node/Admin/{version} convention. (14.3.0) — [release notes](https://github.com/firebase/firebase-admin-node/releases/tag/v14.3.0)
- Data Connect adds the X-Client-Version header for cloud monitoring. (14.3.0) — [release notes](https://github.com/firebase/firebase-admin-node/releases/tag/v14.3.0)
- Data Connect adds the X-Firebase-Sqlconnect-Affinity header for GSLB soft stickiness. (14.3.0) — [release notes](https://github.com/firebase/firebase-admin-node/releases/tag/v14.3.0)