--- a/src/eric7/Preferences/ConfigurationPages/InterfacePage.py Sun Jan 21 13:00:42 2024 +0100 +++ b/src/eric7/Preferences/ConfigurationPages/InterfacePage.py Sun Jan 21 15:38:51 2024 +0100 @@ -210,6 +210,7 @@ # bottom side Preferences.setUI("ShowNumbersViewer", self.numbersCheckBox.isChecked()) + # save the sidebars settings Preferences.setUI("IconBarSize", self.iconSizeComboBox.currentData()) Preferences.setUI("IconBarColor", self.__iconBarColor) Preferences.setUI(