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1.149.0 (2026-04-27)

Features

• Add asyncQueryReasoningEngine to aiplatform v1 API (6332d33)
• Add asyncQueryReasoningEngine to aiplatform v1beta1 API (6332d33)
• Add delete_evaluation_metric to GenAI SDK (6b63480)
• Add evaluation configuration and dataset runs to TuningJob (6332d33)
• Add evaluation metrics and autorater configuration to the AI Platform v1 API (6332d33)
• Add filter and order_by support to list_evaluation_metrics (a7acc97)
• Add multimodal input support and custom output formats to evaluation metrics (6332d33)
• Add OnlineEvaluator API and update Evaluation API (6332d33)
• Add origin to AttributeContext.Request (6332d33)
• GenAI Client(evals): Add allow_cross_region_model to generate_conversation_scenarios to enable cross region support for gemini 3 based model (dc3b639)
• GenAI SDK client(multimodal) - Allow passing dataset ID in addition to full resource name in dataset methods. (2fd8ca0)
• Migrate batch_predictions to agentplatform (53e16ba)
• Model Registry CopyModel BYOSA (6332d33)
• New field CopyModelRequest.custome_service_account for Model Registry CopyModel BYOSA (6332d33)
• Support VeoLoraTuningSpec in the tuning jobs (6332d33)
• Synchronize google/api/expr/v1alpha1 (6332d33)

Bug Fixes

• Add serializer to async_create_session to address 500 error in Agent Engine (AgentServerMode.EXPERIMENTAL). (ffe7fc7)
• deps: Bump litellm cap to >=1.83.7 for additional CVE remediation (3bd0b25)
• GenAI SDK client(multimodal) - Fix Pydantic validation errors when using create_* in some cases (ca6b45e)
• PrivateEndpoint.raw_predict parameter name (3d380ba)
• Removing Python 3.9 support due to EOL (dbdd7b1)
• Unpin litellm upper bound to allow CVE-2026-35030 remediation (e5e6346)
• Update litellm to >=1.83.0 to resolve security vulnerability (ac5a5e4)

Documentation

• Update comments and formatting (6332d33)
• Update doc string to replace Vertex AI with Gemini Enterprise Agent Platform, update method error message to replace Vertex AI with Gemini Enterprise Agent Platform (previously known as Vertex AI), update converter error message to replace Vertex AI with Gemini Enterprise Agent Platform (18d97b6)
• Update SelectiveGapicGeneration usage doc (6332d33)
• Update various comments (6332d33)

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