Firebase Unity 13.16.0

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.

13.16.0

• Changes
  • General: Update to Firebase C++ SDK version 13.11.0.
  • General (Android): Update to Firebase Android BoM version 34.18.0.
  • General (iOS): Update to Firebase SDK version 12.18.0.
  • Firebase AI: Add support for RealtimeInputConfig in the Live API, enabling configuration of Voice Activity Detection (VAD), activity handling (interruption behavior), and turn coverage.
  • Firebase AI: Added manual activity demarcation methods (SendStartActivityRealtimeAsync, SendStopActivityRealtimeAsync) and updated realtime input streaming to support audio, video, and text payloads.
  • General (Editor): Fixed a deadlock / hang during domain reload and editor quitting
    by gracefully disposing Firebase apps and terminating native listeners on the main thread
    (#1485).
  • Firebase AI: Removed deprecated Imagen methods and types due to Imagen
    models being shut down in August 2026. As a replacement, you can
    migrate your apps to use Gemini Image models (the "Nano Banana" models).
  • Firebase AI: Added AudioAsFloat property to GenerateContentResponse to seamlessly decode audio/ byte arrays into normalized float arrays.
  • Firebase AI: Allowed LiveSessionResponse to use any audio/ MIME type returned by text-to-speech models.
  • Messaging: Added new Registration methods using Installation Ids.
    Deprecated old Token based methods.
  • Remote Config: Add support for setting Custom Signals.
  • Functions / Firebase AI: Fixed a UnityException thrown when invoking Cloud Functions
    or connecting to Live Generative Models from background threads
    (#1506).