Migrating to Firebase Auth firebase@12.11.0
Version firebase@12.11.0 introduces 2 breaking changes. This guide details how to update your code.
Released: 3/19/2026
⚠️ Check Your Code
If you use any of these symbols, you need to read this guide:
@firebase/aiGenerationConfig@firebase/data-connect@firebase/firestorearrayFirstarrayFirstNarrayLastarrayLastNarrayMinimumarrayMinimumNarrayMaximumarrayMaximumNarrayIndexOfarrayLastIndexOfarrayIndexOfAllexecute()Breaking Changes
●Issue #1
Firestore Pipelines API: Defer validation of pipeline user data from initialization to the execute() call. If you were relying on immediate validation during pipeline setup, you must now ensure validation occurs during execution.
●Issue #2
Firestore Pipelines API: The change causing this is allowed in a non-major release because the Firestore Pipelines API is currently in Public Preview.
Migration Steps
- 1If using Firestore Pipelines, adjust code to expect user data validation to occur during the `execute()` call instead of during initialization.
Release Summary
This release introduces new array expression functions for Firestore and updates the configuration options for AI generation. It also includes a breaking change in the Firestore Pipelines API regarding user data validation timing.
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