LangChain Changelog

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December 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

`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

🤖 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

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

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

October 2024

🐍 LangGraph is now compatible with Python 3.13

LangGraph is now compatible with Python 3.13! You can now build controllable agents with the updated features of Python 3.13, including the new interactive...

October 11, 2024

🧠 LangGraph long-term memory support

We’re thrilled to announce cross-thread memory support in LangGraph, available for both Python and JavaScript. This new feature lets your agents store and...

October 8, 2024

September 2024

📐 LangGraph Templates: Build configurable agentic workflows

We’re excited to announce LangGraph Templates —available now in Python and JavaScript! These templates address common agentic use cases, allowing you to...

September 20, 2024

🐍 Performance enhancements & CI benchmarks for LangGraph Python library

We've shipped a number of updates to the LangGraph Python library! These include the following: Performance Enhancements: We've made significant improvements...

September 18, 2024

August 2024

🐍 LangGraph Python: Dynamic breakpoints, error tracking in checkpointer, and custom configs

We’ve rolled out new features and improvements to LangGraph Python, designed to streamline your workflows: These updates enhance control, error management,...

August 31, 2024

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