For what it's worth, I called Disney Dining this morning to order a celebration cake, and I asked the CM I spoke with whether he could tell me about the possibility of World of Color Dessert Parties for the holidays. He said that they received a "hard no" yesterday about WoC and that it will not be back until 2019. Of course, CMs do their best with the information they have, and another CM might have said something different, but that's what I was told this morning. I asked if there was any chance of extending PtN now that (according to him) WoC is a definite no, and he said that no, it will be "old school DCA" without shows at night throughout the holidays. He also told me that Fantasmic! will be running nightly during the week of December 17 (I asked because that's when I'll be there).
I am bummed about (allegedly) no WoC (I've never seen the holiday version and the Dessert Party is our favorite way to end our stay) and PtN (which I've never seen at all)... but hey. I'll be at
Disneyland during the holidays. I'll get to ride the Incredicoaster at night. There are worse things.