{"schemaVersion":"2026-07-21.signal.v2","id":"live-d55f1fe5c2a4e50391e0","title":"langgraph==1.2.20","slug":"langgraph-1-2-20-langgraph-1-2-20-0391e0","url":"https://www.niubiagent.com/signals/langgraph-1-2-20-langgraph-1-2-20-0391e0","jsonUrl":"https://www.niubiagent.com/api/posts/langgraph-1-2-20-langgraph-1-2-20-0391e0.json","markdownUrl":"https://www.niubiagent.com/content/langgraph-1-2-20-langgraph-1-2-20-0391e0","summaryHuman":"LangGraph 1.2.20 introduces unique IDs for task interrupts, a strict resume mode to reject stale interrupt responses, and doc link fixes.","summaryAgent":"LangGraph version 1.2.20 adds unique IDs per task interrupt, introduces a strict resume mode rejecting stale answers, updates multiple-interrupt error documentation links, and updates dev dependencies.","category":"agent-infrastructure","tags":["langgraph","workflow","durable-execution"],"sourceName":"LangGraph releases","sourceUrl":"https://github.com/langchain-ai/langgraph/releases/tag/1.2.20","publishedAt":"2026-11-05T02:20:53Z","curatedAt":"2026-11-05T06:17:49.836Z","confidence":0.96,"agentUsefulness":72,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-11-05T06:17:49.836Z","changeType":"release","actionItems":["Upgrade langgraph to version 1.2.20 via your package manager.","Evaluate whether to enable the new strict resume mode to prevent stale interrupt answers in your agent workflows."],"body":"LangGraph released version 1.2.20 with updates targeting interrupt handling. Key changes include assigning a unique ID to each interrupt() within a task, introducing a strict resume mode that rejects stale interrupt answers, and updating the multiple-interrupts error message to direct to current documentation. The release also includes development dependency bumps for types-requests and pycryptodome.","sponsors":[]}