Index: sources/gui/qml/components/StepIndicator.qml
===================================================================
diff -u -r70d72796067d8a626458328e2642ab3e2b033648 -r4a2b83dcb56555861d2c741a8e8894e5b07e24bf
--- sources/gui/qml/components/StepIndicator.qml	(.../StepIndicator.qml)	(revision 70d72796067d8a626458328e2642ab3e2b033648)
+++ sources/gui/qml/components/StepIndicator.qml	(.../StepIndicator.qml)	(revision 4a2b83dcb56555861d2c741a8e8894e5b07e24bf)
@@ -37,9 +37,12 @@
     property int    currentStepIndex    : 0
     property int    diameter            : 15
 
+    property int    subStepIndex        : 0
+    property int    subStepsLength      : 0
+
     width   : _gridSteps.width
     height  : _gridSteps.height
-    color   : Colors.backgroundMain
+    color   : Colors.transparent
 
     QtObject { id: _private
         property string stepNamesFirst: ""
@@ -109,8 +112,22 @@
                     hideLabels      : _root.hideLabels
                     vertical        : _root.vertical
                     text            : modelData
-                    complete        : currentStepIndex > 0 && index <  currentStepIndex - 1 // first index is used for the head/first bullet
-                    current         : currentStepIndex > 0 && index == currentStepIndex - 1 // first index is used for the head/first bullet
+                    complete        : currentStepIndex > 0 && index <  currentStepIndex - 1  // first index is used for the head/first bullet
+                    current         : currentStepIndex > 0 && index === currentStepIndex - 1 // first index is used for the head/first bullet
+
+                    SubStepIndicator { id: _subStep
+                        anchors {
+                            top             : parent.bottom
+                            topMargin       : 25
+                            horizontalCenter: parent.horizontalCenter
+                        }
+
+                        subStepIndex    : _root.subStepIndex
+                        subStepsLength  : _root.subStepsLength
+                        height          : 10
+                        width           : _nextStepsBullet.width * _root.subStepsLength
+                        visible         : _nextStepsBullet.current && _root.subStepsLength > 0
+                    }
                 }
             }
         }