Xen 4.6.4 and Xen 4.7.1 are now the latest and most advanced stable versions of the leading open-source virtualization system used by more than 10 million users in many of the world’s best and renowned cloud hosting services, including AWS (Amazon Web Services), Rackspace Public Cloud, and Verizon Cloud. As expected, these releases contain many improvements and bug fixes that should make your Xen infrastructure more stable and reliable. The full release notes are provided for your reading pleasure for Xen 4.6.4 and Xen 4.7.1 on the project’s website, and it is recommended to install these versions as soon as possible.