LangGraph 1.2.8 发布：修复 delta channel 并更新依赖

AI 摘要

LangGraph 发布了 1.2.8 版本，主要修复了在全新线程上使用 updateState 时 delta channel 的 bug，该问题会强制生成快照而非存根检查点。此外，该版本还更新了多个依赖项，包括 websockets 从 15.0.1 升级到 16.0。

正文节选

Changes since 1.2.7 * release(langgraph): 1.2.8 (#8292) * fix: delta channel bug with updateState on fresh thread will force snapshot instead of stub checkpoint (#8290) * chore(deps): bump the minor-and-patch group in /libs/langgraph with 8 updates (#8255) * chore(deps): bump websockets from 15.0.1 to 16.0 in /libs/langgraph in the major group (#8256) * chore(deps): bump the minor-and-patch group in /libs/sdk-py with 9 updates (#8252)

发布时间：2026-07-07 04:40

抓取时间：2026-08-02 00:22

来源机构：LangChain