This document provides release notes for ClearPass 6.3.6, including information about supported browsers and system requirements, upgrading and updating instructions, new features, issues resolved, known issues, and contact support details. Key points include supported browsers being the latest versions of Firefox, Chrome, Safari, and IE7+, virtual appliance requirements for the CP-VA models, and considerations for upgrading from earlier 6.1.x or 6.2.x versions to 6.3.x.