langchain==1.4.4
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.
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为什么值得关注
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).
可执行摘要
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.
- Agent 实用度
- 77/100
- 可信度
- 96%
- 机器格式
- JSON + Markdown
开发者应核对什么
- 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.