crossi added a comment.
This fix the issue for Breeze theme, but according to bug description (https://bugs.kde.org/show_bug.cgi?id=417515) some configuration file may also have `oxygen` instead of `Oxygen` REPOSITORY R119 Plasma Desktop REVISION DETAIL https://phabricator.kde.org/D27482 To: crossi, ngraham, ervin, bport, meven, #plasma Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart