dfaure added a comment.
Further research leads to this possible patch http://www.davidfaure.fr/2019/windowmodel.cpp.diff REPOSITORY R119 Plasma Desktop REVISION DETAIL https://phabricator.kde.org/D24238 To: dfaure, hein, apol Cc: ognarb, broulik, plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart