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LangGraph 发布 1.2.13：修复检查点回放与 DeltaChannel 问题
原标题：langgraph==1.2.13
AI 摘要
LangGraph 发布 1.2.13 版本，主要修复了检查点回放、DeltaChannel 计数器、子图 delta channel 水合以及 get_state 中断报告等多个缺陷，并升级了 notebook、tornado、pyjwt、urllib3 等依赖。这些修复提升了状态管理与分支回放的正确性，属于常规维护性更新。
以上摘要由 AI 生成，可能存在误差。事实请以原文为准。
正文节选
Changes since 1.2.12 * fix(langgraph): fork before replaying an update checkpoint the thread moved past (#9170) * fix(langgraph): keep an update_state on an older checkpoint out of its other branches (#9165) * fix(langgraph): keep DeltaChannel counters on every update_state path (#9142) * release(langgraph): 1.2.13 (#9205) * fix(langgraph): don't walk history for a DeltaChannel that was never written (#9141) * fix(langgraph): don't replay an abandoned branch into a DeltaChannel fork (#8548) * c
发布时间：2026-10-06 01:51
抓取时间：2026-10-06 01:54
来源机构：LangChain