With both the vertical and the horizontal renderer, dash items are stretched to a square, regardless of their original proportions. See attached screenshot of the vertical renderer : on the left is the correct rendering (screenshot taken in Unity-2d), on the right is the current Unity 3D.
With both the vertical and the horizontal renderer, dash items are stretched to a square, regardless of their original proportions. See attached screenshot of the vertical renderer : on the left is the correct rendering (screenshot taken in Unity-2d), on the right is the current Unity 3D.