variant properties not displayed in QML Inspector debug view

property variant (or QVariants) do not display in the QML Inspector.
e.g
When the following item is viewed in the QML Inspector
Item

{ id: variantTest property variant vTest: 10.2 property double dTest: vTest property int iTest: vTest }

the properties iTest (10) and dTest (10.2) are shown but vTest is absent.