Magento Community Edition 2.0.6 is now available and contains important security and functional improvements. More information on the security updates can be found on the Magento Security Center at https://magento.com/security/patches/magento-206-security-update. More information on the functional enhancements is provided in the release notes: http://devdocs.magento.com/guides/v2.0/release-notes/ReleaseNotes2.0.6CE.html