LangChain Changelog

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January 2025

LangSmith Self-Hosted

LangSmith Self-Hosted v0.9

This release contains important changes for license key verification and sending subscription metrics and operational metadata to LangChain, beta support for...

January 21, 2025

New LangSmith Playground features to streamline workflow

The LangSmith Playground has several new updates, including: New Prompt Settings UI All your prompt settings are now organized in one streamlined view. You...

January 20, 2025

DeepSeek integration in LangChain

DeepSeek has been making waves with R1— a powerful model that reasons like OpenAI’s GPT-4o while exposing its thought process. Now, you can easily use it in...

January 16, 2025

December 2024

LangGraph Platform

Custom authentication & access control for LangGraph Platform

Today, we're thrilled to announce Custom Authentication and Resource-Level Access Control for Python deployments in LangGraph Cloud and self-hosted...

December 20, 2024

🔁 Modify graph state from tools in LangGraph

LangGraph's latest update gives you greater control over your agents by enabling tools to directly update the graph state. This is a game-changer for use...

December 18, 2024

🔍 Diff view in LangSmith's prompt hub

We’ve added a new Diff View feature in LangSmith’s Prompt Hub. As prompts evolve, keeping track of changes can get tricky—especially when iterating rapidly....

December 17, 2024

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

Our latest feature in LangGraph, interrupt , makes building human-in-the-loop workflows easier. Why Human-in-the-Loop? Agents aren’t perfect, so keeping...

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. What’s New:...

December 10, 2024

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