> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-srmult-1765395526-473a2ea.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Releases

This section contains release notes and migration guides for LangChain and LangGraph v1.

<Card title="Migration Guide: Upgrading to LangChain 1.0" icon="arrow-right-arrow-left" href="/oss/python/migrate/langchain-v1" color="#ca8b04" iconType="duotone">
  **Upgrading from 0.x?** Follow our comprehensive migration guide with step-by-step instructions, breaking changes, deprecated features, and recommended patterns for LangChain 1.0.
</Card>

## Latest release

The current stable version is v1.x. See the [versioning policy](/oss/python/versioning) for information about our release cycle.

See the sidebar for links to release pages that include detailed release notes and migration guides.

## Pre-release versions

Information about alpha, beta, and release candidate versions can be found in on GitHub:

* [LangChain releases](https://github.com/langchain-ai/langchain/releases)
* [LangGraph releases](https://github.com/langchain-ai/langgraph/releases)

## Support timeline

| Version | Status  | Support Until      |
| ------- | ------- | ------------------ |
| v0.x.x  | Current | TBD                |
| v1.x.x  | Current | Active development |

## See also

* [Versioning](/oss/python/versioning) – Understanding version numbers
* [Release policy](/oss/python/release-policy) – Detailed release policies

***

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