LangGraph Python SDK 发布 0.4.11，修复流式重连问题

AI 摘要

LangGraph 发布 Python SDK 0.4.11 版本，同时发布 langgraph 1.2.19。该版本主要修复 SDK 的流式重连问题，包括对 runs.wait、join 和 cancel(wait=True) 的重连采用退避重试，在流重连缺少 Last-Event-ID 时发出警告，跨数据块保留 SSE 数据与游标状态，并重置重连游标等。这些改动提升了流式连接断线恢复的可靠性。

正文节选

Changes since sdk==0.4.10 * release(langgraph): 1.2.19 (#9504) * release(sdk-py): 0.4.11 (#9503) * test(sdk-py): check that a reconnect loop resumes after the newest event (#9483) * fix(sdk-py): retry runs.wait, join and cancel(wait=True) reconnects with backoff (#9481) * fix(sdk-py): warn when a stream reconnects without a Last-Event-ID (#9482) * fix(sdk-py): preserve SSE data and cursor state across chunks (#9477) * fix(sdk-py): retry failed stream reconnects with backoff (#9462) * fix(sdk-py

发布时间：2026-10-31 06:17

抓取时间：2026-10-31 06:25

来源机构：LangChain