●Change8

Migrating to Firebase Auth firebase@12.12.0

Version firebase@12.12.0 introduces 1 breaking change. This guide details how to update your code.

Released: 4/9/2026

1
Breaking Changes
2
Migration Steps
9
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

@firebase/ai@firebase/auth@firebase/data-connectfirebasetopKtemperatureresponseSchemaresponseJsonSchemaType

Breaking Changes

●Issue #1

Beta API Breaking Change: The `Type` string union has been changed to be a raw string in the main Firebase package.

✓Solution

Review usages of `Type` string union and update to use raw strings if necessary.

Migration Steps

  1. 1
    Migrate your apps to use Gemini Image models (the "Nano Banana" models) as Imagen models are deprecated.
  2. 2
    Update usages of timegranularity values in timestamp expressions to be lowercase.

Release Summary

This release introduces streaming support for Data Connect, new expression capabilities in Pipelines, and deprecates all Imagen models. A beta API change modified the `Type` string union to be a raw string.

Need More Details?

View the full release notes and all changes for Firebase Auth firebase@12.12.0.

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