Between the "recent" groups and the application groups a separator line is displayed, but even if all "recent" groups are turned off in the Kicker settings.
Must be a regression - it's supposed to work. Will look into it, thx.
Kai was faster: https://phabricator.kde.org/D2791
Git commit c10f722c30e73940399855bce51cbf385b706dee by Kai Uwe Broulik. Committed on 16/09/2016 at 12:21. Pushed by broulik into branch 'Plasma/5.8'. [Kicker RootModel] Show separator only when there are entries before it FIXED-IN: 5.8.0 Differential Revision: https://phabricator.kde.org/D2791 M +10 -4 applets/kicker/plugin/rootmodel.cpp http://commits.kde.org/plasma-desktop/c10f722c30e73940399855bce51cbf385b706dee
Not posting screenshots was an error. Now I can't tell if it was the same kind of issue I am experiencing with the Recent Files section or not :)