- created a new custom layout based on the Grid Layout where I can set the horizontal and vertical spacings between grid items and used it throughout the app

appGUI/preferences/general/GeneralAppPrefGroupUI.py

@@ -4,7 +4,7 @@ from PyQt6 import QtWidgets
 from PyQt6.QtCore import QSettings
 
 from appGUI.GUIElements import RadioSet, FCSpinner, FCCheckBox, FCComboBox, FCButton, OptionalInputSection, \
-    FCDoubleSpinner, FCLabel
+    FCDoubleSpinner, FCLabel, FCGridLayout
 from appGUI.preferences.OptionsGroupUI import OptionsGroupUI
 
 import gettext
@@ -24,7 +24,7 @@ class GeneralAppPrefGroupUI(OptionsGroupUI):
         self.decimals = decimals
 
         # Create a form layout for the Application general settings
-        grid0 = QtWidgets.QGridLayout()
+        grid0 = FCGridLayout(v_spacing=3)
         self.layout.addLayout(grid0)
         grid0.setColumnStretch(0, 0)
         grid0.setColumnStretch(1, 1)