1.52.0 (2026-03-27)

Features

• Add labels field to Veo configs (3fab63a)
• Add model_status to GenerateContentResponse (Gemini API only) (8c040e3)
• Add part_metadata in Part (Gemini API only) (8c040e3)
• Add service tier to GenerateContent. (c07b6a0)
• genai: add TURN_INCLUDES_AUDIO_ACTIVITY_AND_ALL_VIDEO to TurnCoverage (ea49f9a)
• support hyperparameters in distillation tuning (b8873ea)
• Support rendered_parts in GroundingSupport (8c040e3)

Bug Fixes

• Fix empty InlinedEmbedContentResponses for inline batch embeddings in Go GenAI SDK (e70c9d1), closes #712
• support us region routing (09d5be3)

1.51.0 (2026-03-17)

Features

• Support include_server_side_tool_invocations for genai. (cec4bfd)

1.50.0 (2026-03-12)

Features

• Add inference_generation_config to EvaluationConfig for Tuning (21b360f)
• Add register_files (43a12bf)
• Allow custom endpoints for authentication with Vertex AI in Go (0ebf016)
• enable language code for audio transcription config in Live API for Vertex AI (59610d4)

1.49.0 (2026-02-28)

Features

• Update data types from discovery doc. (37134ea)

1.48.0 (2026-02-25)

Features

• Add Image Grounding support to GoogleSearch tool (ba34adf)
• enable server side MCP and disable all other AFC when server side MCP is configured. (a550b3c)

1.47.0 (2026-02-18)

Features

• Support multimodal embedding for Gemini Embedding 2.0 and support MaaS models in Models.embed_content() (Vertex AI API) (ef61dd1)

1.46.0 (2026-02-09)

Features

• Support encryption_spec in tuning job creation configuration for GenAI SDK (025a3f0)

Bug Fixes

• round up timeout (4150d97)

1.45.0 (2026-02-04)

Features

1.44.0 (2026-01-30)

Features

• Support distillation tuning (cf4c39c)
• Support OSS Tuning in GenAI SDK (9621775)

Bug Fixes

• Add metadata in batch inlined response (f8e6b9b)

1.43.0 (2026-01-18)

Features

• Add ModelArmorConfig support for prompt and response sanitization via the Model Armor service (580063f)
• Update data types from discovery doc. (6842c63)
• Update data types from discovery doc. (8065f85)