--- title: "Firebase API changes, deprecations and deadlines | Harbyn" description: "Firebase: 2 upcoming deadlines and 28 recorded changes as of 2026-10-25, each with its source." canonical: "https://harbyn.com/vendors/firebase" last-updated: 2026-10-25 --- # Firebase: API changes and deadlines Markdown version of . Cloud. 2 upcoming deadlines, 28 recorded changes. Every entry cites the Firebase page we read it from. ## What we read The Firebase pages and feeds our ingestion visits, politely and on a schedule. - **Changelog**: - **Changelog**: - **Releases**: - **Changelog**: ## What the scanner looks for How `harbyn scan` recognises Firebase in a repository, on your machine. Nothing leaves it. - **Packages**: `npm firebase`, `npm firebase-admin`, `pypi firebase-admin` - **API hosts**: `firestore.googleapis.com`, `identitytoolkit.googleapis.com`, `firebasestorage.googleapis.com`, `firebaseio.com` ## Upcoming deadlines | Deadline | Change | Use instead | Details | Source | | --- | --- | --- | --- | --- | | Mar 31, 2027 | Firebase Extensions shut down on 2027-03-31 | - | | | | Sep 30, 2027 | Firebase Test Lab shutdown | - | | | ## Change history Newest first, by the date Firebase announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such. ### October 2026 - Oct 23, 2026, Security: [C++ and Unity SDK releases include Firestore security updates](https://firebase.google.com/support/releases) - Oct 22, 2026, Feature: [Cloud Firestore DML operations reach general availability](https://firebase.google.com/support/releases) - Oct 22, 2026, Behavior change: [Firebase CLI v15.34.1 updates command behavior](https://harbyn.com/changes/firebase/2026-10-22-firebase-cli-v15-34-1-updates-command-behavior.md) - Oct 21, 2026, Behavior change: [Auth initialization handles invalidated users selectively](https://harbyn.com/changes/firebase/2026-10-21-auth-initialization-handles-invalidated-users-selectively.md) - Oct 21, 2026, Feature: [Pipeline stages and atomic execution option added](https://firebase.google.com/support/release-notes/js) - Oct 19, 2026, Feature: [Text and geospatial search are generally available for Firestore](https://firebase.google.com/support/releases) - Oct 15, 2026, Feature: [CLI v15.34.0 adds Crashlytics heap dump commands](https://firebase.google.com/support/releases) - Oct 15, 2026, Breaking change: [Legacy Vertex AI initialization syntax removed from Firebase AI Logic SDKs](https://harbyn.com/changes/firebase/2026-10-15-legacy-vertex-ai-initialization-syntax-removed-from-firebase-ai-logic-sdks.md) (effective Oct 15, 2026; recorded after the fact) - Oct 13, 2026, Feature: [Gemini 4 Argon available in Firebase AI Logic](https://firebase.google.com/support/releases) - Oct 12, 2026, Feature: [QueryData support for Firestore with MongoDB compatibility](https://firebase.google.com/support/releases) - Oct 7, 2026, Feature: [Cloud Firestore in JavaScript SDK 13.0.0 supports BSON types](https://firebase.google.com/support/release-notes/js) - Oct 7, 2026, Breaking change: [AI Logic in JavaScript SDK 13.0.0 exports ChatSession as an interface, not a class](https://harbyn.com/changes/firebase/2026-10-07-chatsession-class-replaced-by-interface.md) - Oct 7, 2026, Behavior change: [AI Logic in JavaScript SDK 13.0.0 makes gemini-3.5-flash-lite the default hybrid in-cloud model](https://harbyn.com/changes/firebase/2026-10-07-default-hybrid-in-cloud-model-changed.md) - Oct 7, 2026, Breaking change: [AI Logic in JavaScript SDK 13.0.0 removes previously deprecated APIs](https://harbyn.com/changes/firebase/2026-10-07-deprecated-apis-removed.md) - Oct 7, 2026, Behavior change: [Remote Config in JavaScript SDK 13.0.0 stops false CONFIG\_UPDATE\_STREAM\_ERROR events on backgrounding](https://harbyn.com/changes/firebase/2026-10-07-expected-background-connection-closes-handled-differently.md) - Oct 7, 2026, Breaking change: [firebase 13.0.0, a new major version](https://harbyn.com/changes/firebase/2026-10-07-firebase-13-0-0.md) - Oct 7, 2026, Deprecation: [AI Logic in JavaScript SDK 13.0.0 deprecates sampling parameters in GenerationConfig](https://harbyn.com/changes/firebase/2026-10-07-generation-parameters-deprecated.md) - Oct 7, 2026, Breaking change: [AI Logic in JavaScript SDK 13.0.0 turns Part into a discriminated union](https://harbyn.com/changes/firebase/2026-10-07-part-refactored-into-a-discriminated-union.md) - Oct 7, 2026, Breaking change: [AI Logic in JavaScript SDK 13.0.0 changes TemplateGenerativeModel methods to take a TemplateRequest](https://harbyn.com/changes/firebase/2026-10-07-template-generation-methods-now-accept-templaterequest.md) - Oct 7, 2026, Breaking change: [AI Logic in JavaScript SDK 13.0.0 removes VertexAIBackend](https://harbyn.com/changes/firebase/2026-10-07-vertexaibackend-removed.md) ### September 2026 - Sep 30, 2026, Security: [Firebase CLI v15.32.1 updates dependencies to fix security vulnerabilities](https://firebase.google.com/support/releases) - Sep 30, 2026, Feature: [Function kits available in Cloud Functions for Firebase (2nd gen)](https://firebase.google.com/support/releases) - Sep 15, 2026, Feature: [Cloud Functions 2nd gen supports Firebase Authentication event triggers](https://firebase.google.com/support/releases) - Sep 10, 2026, Feature: [Firebase AI Logic adds server-side request scripts](https://firebase.google.com/support/releases) - Sep 1, 2026, Policy: [Remote Config introduces usage-based pricing](https://firebase.google.com/support/releases) (effective Sep 1, 2026; recorded after the fact) ### August 2026 - Aug 31, 2026, Feature: [Firebase AI Logic supports us and eu locations](https://firebase.google.com/support/releases)