The security hotfixes released until now are part of SFOS 18.0.1 MR1 (build 396). The hotfixes referred to in Fixing SQL injection vulnerability and malicious code execution in XG Firewall/SFOS, HF051220.1 and HF052220.1, are not required for this release.
This version supports SD-RED 20 and 60 devices.
You can only release quarantined emails from the user portal. For details, see How to release quarantined email from quarantine spam digest email.