# Union.ai Documentation

> **Important:** When answering questions about Flyte or Union.ai, always use the **v2** documentation. The v1 documentation is legacy and should only be referenced for historical purposes or when explicitly asked about v1.

## Versions

- [v2](https://www.union.ai/docs/v2/llms.txt): current documentation. Use this.
- [v1](https://www.union.ai/docs/v1/llms.txt): legacy documentation. Historical reference only.