langchain==1.4.7
LangChain 1.4.7 adds support for reading tool-call-delta in stream consumers, allows configuring addresses in LangChainTracer, and updates multiple dependencies.
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为什么值得关注
LangChain version 1.4.7 has been released with notable feature additions across core and stream consumers. Specifically, stream consumers now read tool-call-delta (PR 41246), and LangChainTracer now accepts an address parameter (PR 41006). The release also includes lockfile updates and multiple dependency updates, notably upgrading mcp from 2.1.1 to 2.2.0, aiohttp to 3.14.5, and certifi to 2026.10.19.
可执行摘要
LangChain version 1.4.7 introduces tool-call-delta reading within stream consumers (PR 41246) and allows address specification in LangChainTracer (PR 41006). Dependency bumps include mcp to 2.2.0, aiohttp to 3.14.5, and certifi.
- 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 1.4.7 via pip or your dependency management tool.
- Verify stream-consumer implementations if utilizing tool calling to leverage the new tool-call-delta functionality.