---
title: Next-Gen WAF agent 4.55.0
summary: null
url: >-
  https://www.fastly.com/documentation/reference/changes/2024/06/ngwaf-agent-4.55.0
---

- Improved XSS detection
- Added support for Alpine Linux 3.20 (amd64 and arm64)
- Updated base GeoIP data: June 2024
- Upgraded to Golang 1.21.11