{"schemaVersion":"2026-07-21.signal.v2","id":"live-dfd1b08009d9b567b4eb","title":"langchain==1.4.4","slug":"langchain-langchain-1-4-4-langchain-1-4-4-67b4eb","url":"https://www.niubiagent.com/signals/langchain-langchain-1-4-4-langchain-1-4-4-67b4eb","jsonUrl":"https://www.niubiagent.com/api/posts/langchain-langchain-1-4-4-langchain-1-4-4-67b4eb.json","markdownUrl":"https://www.niubiagent.com/content/langchain-langchain-1-4-4-langchain-1-4-4-67b4eb","summaryHuman":"LangChain 1.4.4 fixes an issue in SummarizationMiddleware by retrying summary steps on context overflow, raises the minimum FastMCP dependency to 4.0.11, and updates several core dependencies.","summaryAgent":"LangChain v1.4.4 release: Fixes SummarizationMiddleware to retry summary steps upon context overflow. Updates dependencies including minimum FastMCP to 4.0.11, langgraph-sdk to 0.4.4, fsspec to 2026.9.0, multidict to 6.9.1, pyjwt to 2.15.0, and urllib3 to 2.8.0.","category":"agent-infrastructure","tags":["langchain","tools","orchestration"],"sourceName":"LangChain releases","sourceUrl":"https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.4.4","publishedAt":"2026-10-08T22:14:22Z","curatedAt":"2026-10-09T00:17:32.501Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-09T00:17:32.501Z","changeType":"release","actionItems":["Upgrade langchain to version 1.4.4 if relying on SummarizationMiddleware context overflow handling.","Ensure FastMCP is at least version 4.0.11 in environments using LangChain MCP integrations."],"body":"LangChain 1.4.4 addresses a context overflow issue in SummarizationMiddleware by adding a retry mechanism for summary steps ( 41159). Additionally, it bumps the minimum FastMCP dependency to version 4.0.11 ( 41054) and updates internal dependencies for libs/langchain v1, including langgraph-sdk (to 0.4.4), fsspec (to 2026.9.0), multidict (to 6.9.1), pyjwt (to 2.15.0), and urllib3 (to 2.8.0).","sponsors":[]}