Kubuntu 15.10 Alpha 2 uses KDE Plasma 5.3 as the default desktop environment, the latest KDE Applications 15.04.1 software suite, which contains all the KDE apps you love and use everyday on your Kubuntu machine, and a kernel from the upstream Linux 4.1 kernel series. Additionally, the second Alpha build of Kubuntu 15.10 (Wily Werewolf) includes the latest KDE Frameworks 5 software, along with non-KDE applications like the popular Mozilla Firefox 38 web browser and LibreOffice 4.4 office suite.