Open sourceOpen-source releaseLarge Language Models · Evaluation & Benchmarks · MLOps, Tooling & Infrastructure1 source · Oct 15, 2026

langchain-ai/langgraph prebuilt==1.1.1: langgraph-prebuilt==1.1.1

fix(langgraph,prebuilt): stop ToolNode from swallowing invalid resume values (#9232)

Key points

  • fix: order delta channel replay by task path (#8544)
  • chore(deps): bump urllib3 from 2.7.0 to 2.8.0 in /libs/prebuilt (#9130)
  • chore(deps-dev): bump the minor-and-patch group in /libs/prebuilt with 3 updates (#8774)
  • test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite (#8537)

Sources (1)

Extractive summary: sentences quoted from the sources.

Before this

  1. Oct 15, 2026openai/openai-agents-python v0.24.0
  2. Oct 14, 2026langchain-ai/langgraph checkpointpostgres==3.2.0: langgraph-checkpoint-postgres==3.2.0
  3. Oct 14, 2026One Monitor Does Not Fit All: Formalism-Agnostic Runtime Verification for Agentic AI
  4. Oct 13, 2026pydantic/pydantic-ai v2.56.0: v2.56.0 (2026-10-13)
  5. Oct 13, 2026Gemini 4 Argon: Built to solve your hardest problems
  6. Oct 13, 2026cjxxx222/quizforge: 题库 PDF 进 · 随机抽题出 —— 非结构化题库 PDF 的结构化抽取 + 智能刷题系统(规则优先 + LLM 兜底 / 三池加权抽题 / Leitner 间隔重复 / 带引用讲解)

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