Today KDE releases Plasma 5.2. This release adds a number of new components, many new features and many more bugfixes.

https://www.kde.org/announcements/plasma-5.2.0.php

This release of Plasma comes with some new components to make your desktop even more complete.

Other highlights include Breeze icons, Breeze window decoration, KRunner sorting, Undo plasmoid widget removal, GTK theme setup. See the release announcement for details.