Исправление zikasak, (текущая версия) :
https://kubuntu.org/news/kubuntu-18-04-has-been-released/
The Kubuntu Team is happy to announce that Kubuntu 18.04 LTS has been released, featuring the beautiful KDE Plasma 5.12 LTS : simple by default, powerful when needed.
LTS
Исходная версия zikasak, :