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

# 4.0

* [Updates since 4.0 pre-releases](./4.0/updates-since-4.0-prereleases)
* [Release notes 4.0](./4.0/release-notes-4.0)
* [Changelog](./4.0/changelog-4.0)
* [Migration guide 4.0](./4.0/migrate-4.0)