http://blog.linuxmint.com/?p=3080 Linux Mint 18 is a long term support release which will be supported until 2021. It comes with updated software and brings refinements and many new features to make your desktop even more comfortable to use. New features: This new version of Linux Mint contains many improvements. For an overview of the new features please visit: “What’s new in Linux Mint 18 Xfce“. Important info: The release notes provide important information about known issues, as well as explanations, workarounds and solutions. To read the release notes, please visit: “Release Notes for Linux Mint 18 Xfce”