It will only need to be recompiled for point releases - for example, 4.19, 4.20, etc.
It should be easy for you to make a custom pie menu - just bring up the 3Dconnexion properties dialog while UE4 Editor is in focus, then click on Buttons, then add your keyboard macros based on the UE4 editor keybinds to your new radial menu. Should be easy, and no need to worry about V3D command stuff.