Unverified50% confidenceFactExact time
LangChain 0.3已全面迁移至Pydantic v2，若LangGraph版本不匹配会触发Pydantic v1的告警
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026
Sources
LangGraph入门：用图结构构建AI Agent工作流
bilibili吴恩达LLM7/10/2026
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