A little background. The original designs for this attraction had it as two smaller vehicles running one behind the other at once. The capacity is/was probably the same combined.
Woah! That post was not my inside information. It came as a rumor from other peoples sources so you must take it with that in mind. I cannot guarantee the veracity at all. AT ALL!
It was only a mild "prepare for potential changes". But we have known that because of delays.