http://blog.linuxmint.com/?p=3197 Linux Mint 18.1 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: http://www.linuxmint.com/rel_serena_kde_whatsnew.php 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: http://www.linuxmint.com/rel_serena_kde.php