Expired50% confidenceFactExact time
LangChain 0.3 fully embraces Pydantic v2, while also introducing a pydantic.v1 compatibility layer to support community plugins developed based on v1.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026(expired)
Sources
Getting Started with LangGraph: Building AI Agent Workflows with Graph Structures
bilibili吴恩达LLM7/10/2026
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