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 — October 3, 2018 Release build McAfee® Agent: 22.214.171.1248 (For Windows) 126.96.36.1992 (For Linux and Macintosh) McAfee Agent Extension — 188.8.131.52 Version information For McAfee Agent 5.5.x version details, see Product Release Information in KB51573. Note: McAfee Agent 5.0.x can be used only with McAfee® ePolicy Orchestrator® (McAfee® ePO™) 5.1.1 or later and McAfee® ePolicy Orchestrator® Cloud (McAfee® ePO™ Cloud). You can manage previous versions of McAfee Agent with the McAfee Agent 5.0.x extensions, but previous versions of the agent extensions 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 — High Priority Mandatory Critical High Priority Recommended High priority for all environments. Failure to apply a High Priority update might result in potential business impact. Most patches and hotfixes are considered High Priority. For more information, see KB51560.