Firebase Unity 13.10.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.10.0

• Changes
  • General: Update to Firebase C++ SDK version 13.6.0.
  • General (Android): Update to Firebase Android BoM version 34.12.0.
  • General (iOS): Update to Firebase Cocoapods version 12.12.0.
  • Firebase AI: All Imagen models are deprecated and will shut down as early
    as June 2026. As a replacement, you can
    migrate your apps to use Gemini Image models (the "Nano Banana" models).
  • Firebase AI: Add support for the JsonSchema formatting.
  • Firebase AI: Add support for simplified object generation with GenerateObjectAsync.
  • Firebase AI: Add support for automated function calling in Chat with AutoFunctionDeclaration.
  • Firebase AI: Add support for TemplateChatSession.
  • Functions: Rewrote internal serialization logic to C#. Removes dependency on internal C++ implementation.

Firebase Unity SDK 13.9.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.9.0

• Changes
  • General (Android): Update to Firebase Android BoM version 34.10.0.
  • General (iOS): Update to Firebase SPM/Cocoapods version 12.10.0.
  • Firestore (iOS): Fix crash when using Auth or App Check Credentials.
  • App Check: Updated App Check to support limited-use tokens. This is a
    breaking change for custom providers, which must now implement the new
    GetLimitedUseTokenAsync method. If a custom provider does not support
    this feature, it can return a standard token from this method.

Firebase Unity SDK 13.8.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.8.0

• Changes
  • Firebase AI: Add LiveSessionGoingAway to handle backend closing.
  • Firebase AI: Add support for CachedContentTokenCount and CacheTokensDetails in UsageMetadata.

Firebase Unity SDK 13.7.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.7.0

• Changes
  • General: Update to Firebase C++ SDK version 13.4.0.
  • General (Android): Update to Firebase Android BoM version 34.8.0.
  • General (iOS): Update to Firebase Swift Package / Cocoapod version 12.8.0.
  • General: Update to EDM4U version 1.2.187.
  • General (iOS): Added support for linking against Swift Packages, instead of Cocoapods, via EDM4U.
  • Firebase AI: Added support for Thinking Levels, used by Gemini 3 models to define their thinking configuration, instead of Thinking Budget.

Firebase Unity SDK 13.6.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.6.0

• Changes
  • General: Update to Firebase C++ SDK version 13.3.0.
  • General (Android): Update to Firebase Android BoM version 34.6.0.
  • General (iOS): Update to Firebase Cocoapods version 12.6.0.
  • Analytics: Added SetDefaultEventParameters() which allows developers to specify a list of parameters that will be set on every event logged.
  • Analytics: Added a new LogEvent() that take in a IEnumerable of parameters.
  • Firebase AI: Added support for using Server Prompt Templates.

Firebase Unity SDK 13.5.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.5.0

• Changes
  • Firebase AI: Add support for receiving Live API Transcripts.

Firebase Unity SDK 13.4.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.4.0

• Changes
  • General: Update to Firebase C++ SDK version 13.2.0.
  • General (Android): Update to Firebase Android BoM version 34.4.0.
  • General (iOS): Update to Firebase Cocoapods version 12.4.0.
  • Firebase AI: Add support for Gemini's URL context tool.
  • Firebase AI: Add more specific methods for sending realtime data to the LiveSession. Deprecate the previous SendMediaChunksAsync method.

Firebase Unity SDK 13.3.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.3.0

• Changes
  • Firebase AI: Add support for enabling the model to use Code Execution.
  • Messaging: Fix crash when deleting a Message with a Notification. (#1334).

Firebase Unity SDK 13.2.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.2.0

• Changes
  • General: Update to Firebase C++ SDK version 13.1.0.
  • General (Android): Update to Firebase Android BoM version 34.2.0.
  • General (iOS): Update to Firebase Cocoapods version 12.2.0.
  • Firebase AI: Add support for receiving Thought summaries when generating content.
  • Firebase AI: Remove LiveGenerationConfig.CandidateCount, since the connection fails silently when it is set.

Firebase Unity SDK 13.1.0

Prebuilt versions of the libraries are available for download here for a zip file, here for individual asset package, or here for individual .tgz package for Unity Package Manager.

13.1.0

• Changes
  • Firebase AI: Add support for Developer API backend to LiveSessions.