LangGraph 1.2.9 fixes state metadata handling
sdkaiengineerpython-agentic
patch
LangGraph version 1.2.9 includes a fix for how state metadata and counters are handled for the delta channel. This resolves a defect that could impact the accuracy of state tracking in specific execution paths. The patch is now available for all users who have previously adopted LangGraph.
Read the original announcement →
https://github.com/langchain-ai/langgraph/releases/tag/1.2.9
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