---
title: "Spirion (SDP/SDM) Windows Agent version 13.5.1 Release Notes"
url: "https://dm0bkdes5q7a2ls.productfruits.help/en/article/spirion-sensitive-data-platform-sdp-agent-1351-release-notes"
language: "en"
last_updated: "2026-09-30T14:29:57.118Z"
---

# Spirion (SDP/SDM) Windows Agent version 13.5.1 Release Notes

November 7th 2025 Spirion Windows Agent version 13.5.1 Release Notes

**Release: 13.5.1 (Greyhound).** Applies to Spirion Sensitive Data Manager and Spirion Sensitive Data Platform

**Release Date: 11.7.2025**

## Enhancements

1.  None.

## Bug Fixes

1.  Resolved an incompatibility issue in which Microsoft .NET 4.8.1 version 533509 (Windows 11 September 2025 Release) caused the Spirion Windows Agent installation to fail.

## Known Issues

1.  No known issues