selected and unselected slides with mouse over

It will be possible in LibreOffice Impress 4.3 to distinguish between selected and unselected slides when the mouse over highlight activates.

I mean, in previous versions, slide 2 here is drawn the same, when the mouse is over it in the slide pane, regardless of whether it is selected or unselected

 While in 4.3 the two modes are drawn respectively as

There's also a little subtle gradient added in for good measure.