anchor.diff:  
       environment.variables.QT_QPA_PLATFORMTHEME = cfg.platformTheme;
   
  -    environment.variables.QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt)) cfg.style;
  +    environment.variables.QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt || isKde)) cfg.style;
   
       environment.systemPackages = packages;
   
  
positive.code:           ["libsForQt5" "qtstyleplugins"]
            ["libsForQt5" "qt5ct"]
            ["lxqt" "lxqt-qtplugin"]
          ];
          description = ''
            Selects the platform theme to use for Qt5 applications.</para>
  
negative.code:                 <link xlink:href="https://sourceforge.net/projects/qt5ct/">qt5ct</link>
                  application.
                </para></listitem>
              </varlistentry>
              <varlistentry>
                <term><literal>kde</literal></term>
                <listitem><para>Use Qt settings from Plasma.</para></listitem>
              </varlistentry>
            </variablelist>
          '';
  