LangChain
LangChain Changelog
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March 2025
v0.9.71
LangSmith
Run evaluators in the LangSmith UI
LangChain
Universal token counting callback for LangChain Python
v0.9.77
LangSmith
End-to-end native OpenTelemetry support for LangSmith SDK
LangChain
Structured output improvements for multiple models
LangChain
Standardized forced tool calling in LangChain
LangGraph
Prompt engineering LangGraph Studio
v0.9.71
LangSmith
Trace with the OpenAI Agents SDK
v0.9.71
LangSmith
Renaming an experiment in the LangSmith UI
LangGraph