It has been fixed the very day the bogus release was published. Check your settings (or erase them all and start with fresh settings).
Also, be aware that the Cool VL Viewer does not implement "parcel Windlight", so what you see with other viewers implementing it will not be seen in the Cool VL Viewer. There is however
a way to emulate Firestorm's "parcel Windlight" using the Lua scripting feature of the Cool VL Viewer.