Kubuntu 15.10 is available for upgrade or install.
Getting Kubuntu 15.10
Plasma 5 slick desktop
Plasma 5, the next generation of KDE’s desktop has been rewritten to make it smoother to use while retaining the familiar setup. The fourth set of updates to Plasma 5 (current release, including the fixpack) is the default in this version of Kubuntu.
KDE Applications 15.08
Kubuntu comes with KDE Applications 15.08 containing all your favorite apps from KDE, including Dolphin. This is the first stability update, and contains bugfixes and translation updates. 107 applications have been ported to KDE Frameworks 5 but those which aren’t should fit in seamlessly.
(1413521) desktop folderview needs to be added on first boot on oem installs
(1439720) Port kubuntu_langpack_desktop_files.diff for .desktop gettext support
(1442512) Apport-kde crash when reporting bugs
(1449265) accounts kcm can not change user’s password because kdepasswd is missing
(1451728) kde-config-telepathy-accounts package install error
(1490618) Ship qtdeclarative5-xmllistmodel-plugin and libqt5qml-graphicaleffects by default
Development of Kubuntu 15.10, the Wily Werewolf, is ongoing and bugs are fixed every day. Before reporting bugs, please ensure your system is up to date.