Canonical released the Beta 2 Version of Ubuntu 13.04 Raring Ringtail, it come with many change and improve performance. Ubuntu 13.04 Beta 2 also come with derivative distributions: Kubuntu, Lubuntu, Xubuntu, Ubuntu Server Cloud, Edubuntu, Ubuntu Studio, which have their own development schedule, and the first and only for major version with the new Ubuntu GNOME and Ubuntu Kylin projects.