From what I understand, there was a bit of a spat with Disney licensing and consultants were told to stop selling the software immediately and it was pulled. Then they took all the paper stuff and put it on While Supplies Last. I am no longer a consultant (as of November ) but I still hear stuff and will let you know if there is anything going on.
They did this a few years ago too, but I thought at that time it was simply because CM was retooling all their lines and branding. There was about an 18 month gap between the first collection and the second.