> ## Documentation Index
> Fetch the complete documentation index at: https://langchain.idochub.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Releases

<Warning>
  **Alpha 版本提示：** 本文档涵盖的是 **v1-alpha** 版本。内容尚不完整，且可能随时变更。

  如需查阅最新稳定版本，请参阅 v0 版本的 [LangChain Python 文档](https://python.langchain.com/docs/introduction/) 或 [LangChain JavaScript 文档](https://js.langchain.com/docs/introduction/)。
</Warning>

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

## 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