[Release] langchain-ai/langchain langchain-fireworks==1.5.1: langchain-fireworks==1.5.1

langchain-fireworks version 1.5.1 has been released with a key feature addition enabling LangSmith gateway support through environment variables. This update improves integration capabilities across Anthropic, Fireworks, and OpenAI providers by allowing users to configure gateway access via environment configuration rather than code changes. The release builds on version 1.5.0 with enhanced flexibility for enterprise deployments and monitoring workflows.

Key Points

• •LangSmith gateway support now available through environment variable configuration
• •Feature applies consistently across Anthropic, Fireworks, and OpenAI providers
• •Enables easier integration with LangSmith monitoring and observability platform
• •Environment-based configuration reduces need for code modifications
• •Supports enterprise deployment patterns with centralized gateway management
• •Backward compatible with existing langchain-fireworks implementations

Workflow Diagram

Concepts