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LangGraph 发布 langgraph-checkpoint 4.3.0
原标题：langgraph-checkpoint==4.3.0
AI 摘要
LangGraph 发布 langgraph-checkpoint 4.3.0，修复了 InMemorySaver 增量历史默认指向最新检查点、命名空间标签校验、序列化数据保留、恢复运行增量写入顺序等问题，并升级了 urllib3、anyio 等依赖。该版本主要提升检查点存储的稳定性与一致性。
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 checkpoint==4.2.0 * fix(checkpoint): default InMemorySaver delta history to the latest checkpoint (#9257) * test(checkpoint): run the delta conformance suite against InMemorySaver in CI (#9261) * fix(checkpoint,checkpoint-postgres,checkpoint-sqlite): validate namespace labels before store dispatch (#9217) * fix(checkpoint): keep serialized data when an object can't be rebuilt (#9251) * fix(langgraph): replay a resumed exit-mode run's delta writes in live order (#9114) * fix: order
发布时间：2026-10-13 06:26
抓取时间：2026-10-13 06:32
来源机构：LangChain