LangChain Changelog

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December 2024

`interrupt`: Simplifying human-in-the-loop agents

Our latest feature in LangGraph, interrupt , makes building human-in-the-loop workflows easier. Agents aren’t perfect, so keeping humans “in the loop”...

December 16, 2024

File attachments with example datasets in LangSmith

LangSmith now supports uploading any binary file (e.g. images, audio, videos, PDF) directly with examples in your datasets. You can now run multimodal LLM...

December 12, 2024

🤖 Command in LangGraph to build edgeless graphs & multi-agent workflows

We've released Command , a new tool in LangGraph that lets you manage dynamic, edgeless agent flows. Now, nodes can dynamically decide which node to execute...

December 10, 2024

LangSmith LangSmith Self-Hosted

📈 Organization Usage Charts for Self-Hosted Customers

Self-hosted LangSmith customers can now access organization usage charts . Track trace usage across your entire org or by workspace with ease. Upgrade to...

December 10, 2024

🔭 OpenTelemetry support for LangSmith

LangSmith now supports OpenTelemetry, bringing distributed tracing and end-to-end visibility to your LLM observability workflow. Ingest traces in OpenLLMetry...

December 9, 2024

🛠️ LangSmith SDK v0.2: Simplified evaluators and improved performance

We've recently released v0.2 of our LangSmith SDKs (Python and TypeScript) with a number of quality-of-life improvements to make the evals experience more...

December 6, 2024

LangGraph LangGraph Platform

🔍 Semantic search for LangGraph's long-term memory

With semantic search for LangGraph’s long-term memory, your agents can now find relevant memories based on meaning , not just exact matches — making it...

December 6, 2024

🖊️ Annotation rubrics for guided annotation workflows

We're thrilled to announce Annotation Rubrics , our latest LangSmith feature designed to streamline guided annotation workflows. Whether you're collaborating...

December 4, 2024

🛝 Saving model configurations in LangSmith's Playground

We’ve updated the LangSmith Playground to make saving and managing model configurations simple. You can easily reuse your preferred settings across sessions,...

December 4, 2024

November 2024

🤖 LangGraph Agent Protocol + LangGraph Studio for local execution

We’ve taken a big step toward our vision of a multi-agent future by making it easier to connect and integrate agents— regardless of how they’re built. We've...

November 26, 2024

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