Index: sources/gui/qml/pages/settings/SettingsAdvancedInstitutional.qml
===================================================================
diff -u -r3e682c5afdadcf4dd2006e3d975fbee58e48619e -rc2f474ff07c98aa350c445a2474976a3cf985f40
--- sources/gui/qml/pages/settings/SettingsAdvancedInstitutional.qml	(.../SettingsAdvancedInstitutional.qml)	(revision 3e682c5afdadcf4dd2006e3d975fbee58e48619e)
+++ sources/gui/qml/pages/settings/SettingsAdvancedInstitutional.qml	(.../SettingsAdvancedInstitutional.qml)	(revision c2f474ff07c98aa350c445a2474976a3cf985f40)
@@ -16,7 +16,10 @@
 // Qt
 import QtQuick 2.12
 import QtQuick.Controls 2.12
+import QtGraphicalEffects 1.12
+/* Qt6 Port: replace the above import with the following one:
 import QtQuick.Effects
+*/
 
 //  Qml imports
 import "qrc:/globals"
@@ -184,12 +187,24 @@
             }
 
             layer.enabled   : true
+            layer.effect: DropShadow {
+                id: _dropShadow
+                horizontalOffset: 0
+                verticalOffset  : 3
+                radius          : 3.0
+                samples         : 7
+                color           : "#50000000"
+                source          : _header
+                anchors.fill    : _header
+            }
+/* Qt6 Port: replace the above DropShadow with the following RectangularShadow:
             layer.effect: RectangularShadow {
                 id: _dropShadow
                 radius          : 3.0
                 color           : "#50000000"
                 anchors.fill    : _header
             }
+*/
         }
 
         ListView { id: _listView