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January 2026: LangChain Newsletter

LangChain
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LangChain released several updates in January 2026, including the LangSmith Agent Builder for natural language agent creation, enhanced experiment comparison tools, and new observability features. They also announced the Interrupt 2026 AI Agent Conference with tickets available from February 12. Additionally, LangChain JS v1.2.13 improves agent robustness and introduces new streaming and error handling capabilities.

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