> For the complete documentation index, see [llms.txt](https://docs.socialstream.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.socialstream.dev/prologue/upgrade-guide.md).

# Upgrade Guide

## Overview

* [Upgrading to v5 from 4.x](/prologue/upgrade-guide/upgrading-to-v5-from-4.x.md)
* [Upgrading to v4 from 3.x](/prologue/upgrade-guide/upgrading-to-v4-from-3.x.md)
* [Upgrading to v3 from 2.x](/prologue/upgrade-guide/upgrading-to-v3-from-2.x.md)
* [Upgrading to v2 from 1.x](/prologue/upgrade-guide/upgrading-to-v2-from-1.x.md)