TabView no effect setting border side SquareLine Studio 1.3.3

After I set Tab position = LEFT I need the buttons to have the border shown on right edge, but Border side = RIGHT has no effect.
I want to disable scrolling, unchecking scrolling is still Scrollable.

You can place the selected button’s border to the right side by setting the TabView’s state ‘CHECKED’ then set the ‘border side’ to ‘RIGHT’ in STYLE (BUTTON ITEMS) / Border group.
We don’t exactly understand which ‘scrollable’ flag you mean (there are more settings like this). If you share some video/screenshot we could help with that more.