[Release] langchain-ai/langchain langchain-openai==1.1.12: langchain-openai==1.1.12

langchain-openai version 1.1.12 is a maintenance release that includes bug fixes, performance improvements, and dependency updates. Key fixes address core version compatibility, streaming function calls, token counting, and API schema handling. The release also updates model profile data and includes CI/CD improvements for better test reliability.

Key Points

• •Bumped minimum core version requirement to ensure compatibility with latest langchain-core features
• •Fixed streaming function_call chunks to properly preserve namespace field during processing
• •Added support for phase parameter in OpenAI integration for enhanced API compatibility
• •Resolved file descriptor leak in PIL Image token counting by properly closing handles
• •Added missing ModelProfile fields and implemented schema drift warnings to catch configuration issues early
• •Added type: message specification to Responses API input items for correct API request formatting
• •Updated orjson dependency from 3.11.5 to 3.11.6 for improved JSON serialization performance
• •Implemented HTTP call timeout for minimum version checks to prevent CI hangs
• •Refreshed model profile data to reflect latest OpenAI model capabilities and pricing
• •Improved CI/CD pipeline by suppressing pytest streaming output and optimizing dependency installation

Workflow Diagram

Concepts