---
title: "AppGate SDP Historical Release Notes"
slug: "appgate-sdp-release-notes"
updated: 2026-01-22T20:54:19Z
published: 2026-01-22T20:54:19Z
canonical: "support.appgate.com/appgate-sdp-release-notes"
---

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

# AppGate SDP Historical Release Notes

The latest releases can be found on our [Documentation Site](/v1/docs/release-notes).

Historical Release Notes are found here:

- [Version 6.3 through 6.5](https://sdphelp.appgate.com/release-notes/index.html)
- [Version 6.0 through 6.06](https://sdphelp.appgate.com/adminguide/v6.0/resources/Appgate-release_notes.pdf)
- [Version 5.5](https://sdphelp.appgate.com/adminguide/v5.5/resources/Appgate-release_notes.pdf)
- [Version 5.4](https://sdphelp.appgate.com/adminguide/v5.4/resources/Appgate-release_notes.pdf)
- [Version 5.3](https://sdphelp.appgate.com/adminguide/v5.3/resources/Appgate-release_notes.pdf)
- [Version 5.2](https://sdphelp.appgate.com/adminguide/v5.2/resources/AppGate-release_notes.pdf)