update

src/Qt5/imports/FluentUI/Controls/FluIconButton.qml

@@ -37,6 +37,7 @@ Button {
             return Qt.rgba(0,0,0,1)
         }
     }
+    property color textColor: FluTheme.fontPrimaryColor
     Accessible.role: Accessible.Button
     Accessible.name: control.text
     Accessible.description: contentDescription
@@ -47,6 +48,7 @@ Button {
     verticalPadding: 8
     horizontalPadding: 8
     enabled: !disabled
+    font:FluTextStyle.Caption
     background: Rectangle{
         implicitWidth: 30
         implicitHeight: 30
@@ -80,6 +82,8 @@ Button {
                 text:control.text
                 Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
                 visible: display !== Button.IconOnly
+                color: control.textColor
+                font: control.font
             }
         }
     }
@@ -95,10 +99,12 @@ Button {
                 text:control.text
                 Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
                 visible: display !== Button.IconOnly
+                color: control.textColor
+                font: control.font
             }
         }
     }
-    contentItem:Loader{
+    contentItem:FluLoader{
         sourceComponent: {
             if(display === Button.TextUnderIcon){
                 return com_column

src/Qt6/imports/FluentUI/Controls/FluIconButton.qml

@@ -38,6 +38,7 @@ Button {
             return Qt.rgba(0,0,0,1)
         }
     }
+    property color textColor: FluTheme.fontPrimaryColor
     Accessible.role: Accessible.Button
     Accessible.name: control.text
     Accessible.description: contentDescription
@@ -48,6 +49,7 @@ Button {
     verticalPadding: 8
     horizontalPadding: 8
     enabled: !disabled
+    font:FluTextStyle.Caption
     background: Rectangle{
         implicitWidth: 30
         implicitHeight: 30
@@ -81,6 +83,8 @@ Button {
                 text:control.text
                 Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
                 visible: display !== Button.IconOnly
+                color: control.textColor
+                font: control.font
             }
         }
     }
@@ -96,6 +100,8 @@ Button {
                 text:control.text
                 Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
                 visible: display !== Button.IconOnly
+                color: control.textColor
+                font: control.font
             }
         }
     }