About this release This document contains important information about the current release. We recommend that you read the whole document. Caution: We do not support the automatic upgrade of a pre-release software version. To upgrade to a production release of the software, you must first uninstall the pre-release version. Release date — March 10, 2020 Release build McAfee® Agent — 184.108.40.2066 McAfee® Agent Extension — 220.127.116.11 Version information For McAfee Agent 5.5.x version details, see Product Release Information in KB51573. Note: McAfee Agent 5.0.x supports McAfee® ePolicy Orchestrator® (McAfee® ePO™) 5.1.1 or later. The McAfee Agent 5.0.x extension manages all previous versions of the McAfee Agent, but previous versions of the McAfee Agent management extension cannot manage McAfee Agent 5.0.x clients. Supported McAfee products For the list of products that McAfee Agent supports, see KB90494. Supported operating systems For the list of operating systems that McAfee Agent supports, see KB51573. Rating — Mandatory Mandatory Critical High Priority Recommended Required for all environments. Failure to apply Mandatory updates might result in a security breach. Mandatory patches and hotfixes resolve vulnerabilities that might affect product functionality and compromise security. You must apply these updates to maintain a viable and supported product. For more information, see KB51560.