So Yuletide had a lot more fandoms, but they're not far apart in overall size.
I'm not sure how true this is, but I also heard that Chocolate Box nominations happening during the week of Yuletide reveals and various school breaks, aka a very big week for Archive demand, was part of the problem.
Re: Less than a month to nominations
Yuletide 2017: Fandoms: 3216 Characters: 13074
Chocolate Box 2018: Fandoms: 1341 Relationships: 14866
So Yuletide had a lot more fandoms, but they're not far apart in overall size.
I'm not sure how true this is, but I also heard that Chocolate Box nominations happening during the week of Yuletide reveals and various school breaks, aka a very big week for Archive demand, was part of the problem.