even though dialog settings window is drawing as background "dialogs/background" the shadows applied to it through PanelShadows singleton class is "widgets/panel-background". This could result in misplaced shadows as described at: https://github.com/PapirusDevelopmentTeam/materia-kde/issues/71
Git commit 9e78fab4cec5cfa59231f03c3d1bfe645fb965a2 by Michail Vourlakos. Committed on 12/01/2020 at 19:20. Pushed by mvourlakos into branch 'master'. apply proper shadows for dock settings window --copy and use plasmaquick/dialogshadow class from plasma framework library FIXED-IN:0.9.8 M +0 -1 app/view/indicator/indicator.cpp M +1 -0 app/view/settings/CMakeLists.txt A +747 -0 app/view/settings/dialogshadows.cpp [License: LGPL] A +64 -0 app/view/settings/dialogshadows_p.h [License: LGPL] M +5 -3 app/view/settings/primaryconfigview.cpp M +5 -3 app/view/settings/secondaryconfigview.cpp https://commits.kde.org/latte-dock/9e78fab4cec5cfa59231f03c3d1bfe645fb965a2