It's hard to determine from visual inspection which widget is selected in the object inspector.

Objects can be selected when clicking on a widget in the main view. In this case the object is also selected/highlighted in the object inspector. However the object is given only a subtly different shade of grey, which is hard to see given that the rows in the Object inspector alternate shades on alternate lines.

See example image. There is a highlighted object (saveIGICheckBox) but it's hard to spot quickly.

The obvious solution is to use a brighter highlight colour.