Go Agent Development Kit Updated to v1.5.1 with Multi-Agent and Production Features

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A major 2026 update to the Go Agent Development Kit (ADK) has been released, upgrading the core library from v0.2.0 to v1.5.1 and the Google GenAI SDK to v1.65.0 with native Vertex AI authentication. The update introduces full Agent-to-Agent (A2A) communication support through dedicated sub-modules enabling multi-agent delegation and orchestration using Gemini models. Production reliability improvements include standardized structured logging via slog with JSON output for Google Cloud Logging compatibility, graceful container shutdown handling, and stricter tool input validation. Developers can deploy agents to Google Cloud Run using an automated build script or the adkgo CLI, and interact locally through an embedded web UI or a Cloud Run proxy. All sub-modules have been tested across local, web, and serverless deployment channels running on Go 1.26.

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ProgrammingDEV Community ·

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