Well, it is true that middle click launches an application in Unity, and not in Unity 2D. But I don't think that's the problem since I use two-finger scrolling with my touchpad, and I don't think that causes a middle click event to be fired.
Well, it is true that middle click launches an application in Unity, and not in Unity 2D. But I don't think that's the problem since I use two-finger scrolling with my touchpad, and I don't think that causes a middle click event to be fired.