v1.74.0

1.74.0 (2026-09-30)

Features

• add gcs_metrics_uri for exporting tuning job metrics. (6a7eaee)
• Add Gemini 3.8 Flash TTS and Gemini 3.8 Flash Lite TTS models to SDKs (f9196ae)
• include labels for LiveClientSetup (a789c08)

Bug Fixes

• use CreateAgentInteraction for Trigger.interaction and TriggerCreateParams.interaction (9a53e77)

Documentation

• clarify Voice expire_time and store TTL behavior in GAOS SDK (0e17254)
• overlays: describe environment and path on GetEnvironmentFiles and pin environment ID in environments get/delete examples (4290342)