This week marked the debut of the Ubuntu 16.04 Xenial Xerus Linux distribution on which so many other others are now based as well. The core 16.04 release uses Canonical Unity desktop environment, but there are also GNOME, MATE, KDE, xFCE and LXDE derivatives that all launched last week as well.
The official release notes provide lots of color into what’s new in Ubuntu 16.04