This update for breeze, discover, drkonqi5, kcm_sddm, kinfocenter5, kscreen5, kscreenlocker, kwin5, libkscreen2, plasma-nm5, plasma-vault, plasma5-addons, plasma5-desktop, plasma5-sdk, plasma5-workspace, polkit-kde-agent-5, systemsettings5 fixes the following issues:

KDE Plasma was updated to 5.12.8.

For more details please see:
* https://www.kde.org/announcements/plasma-5.12.8.php

This update was imported from the openSUSE:Leap:15.0:Update update project.