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LangGraph v1 is a stability-focused release for the agent runtime. It keeps the core graph APIs and execution model unchanged, while refining type safety, docs, and developer ergonomics. It’s designed to work hand-in-hand with LangChain v1 (whose create_agent is built on LangGraph) so you can start high-level and drop down to granular control when needed.

Stable core APIs

Graph primitives (state, nodes, edges) and the execution/runtime model are unchanged, making upgrades straightforward.

Reliability, by default

Durable execution with checkpointing, persistence, streaming, and human-in-the-loop continues to be first-class.

Seamless with LangChain v1

LangChain’s create_agent runs on LangGraph. Use LangChain for a fast start; drop to LangGraph for custom orchestration.
To upgrade, 
pip install --pre -U langgraph

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Deprecation of create_react_agent

The LangGraph create_react_agent prebuilt has been deprecated in favor of LangChain’s create_agent. It provides a simpler interface, and offers greater customization potential through the introduction of middleware.

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Reporting issues

Please report any issues discovered with 1.0 on GitHub using the 'v1' label.

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Additional resources

LangGraph 1.0

Read the announcement

Overview

What LangGraph is and when to use it

Graph API

Build graphs with state, nodes, and edges

LangChain Agents

High-level agents built on LangGraph

Migration guide

How to migrate to LangGraph v1

GitHub

Report issues or contribute

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See also

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