This update contains KDE Frameworks 5.20.0 containing a number of bug fixes and improvements (boo#970856)

For details, see:
https://www.kde.org/announcements/kde-frameworks-5.20.0.php

The following tracked bugs were fixed in specific packages:

kdelibs4support, kxmlgui:

- boo#955280: Fix session management for KApplication based applications