I'm not sure I understand what you mean. There were tests done with keeping the radial menu "open" but it wasn't really working that well. The current system should become second nature after you get used to it. (The middle mouse button is currently used to rotate the camera.)
Why anyone could choose "press right button, select and unclick" instead of click right button WITHOUT holding it, then select with left or giving us the option to use menu with one key that we could want (middle button) and select with the left?
You need to patch this, the press button it is slow and a bad design control. Also, the game needs a button to reset the default view zoom and angle.
Please tweak this in a patch![]()