# langchain==1.4.4

Category: agent-infrastructure
Published: 2026-10-08T22:14:22Z
Source: [LangChain releases](https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.4.4)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-10T00:17:31.632Z
Tags: langchain, tools, orchestration

## Human Summary
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.

## Agent Summary
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.

## 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).

## Recommended actions
- 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.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
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