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 — November 12, 2019 Release build — 4.6.6 Update 4 Environment — McAfee® Database Security Standalone Purpose This release contains fixes and support for additional database versions. 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.