@Lokes
This is speculation since I am not Squid, however, I don't think there will be a registration window before Snowmelt as it overlaps with their vacation. Registration windows are a huge task, so it's probably not gonna be something they're gonna want to do while taking a break!
We're also in the middle of winter, with Snowmelt marking the first week of spring. Joining during winter is pretty rough and has been avoided, so while the last couple of days aren't too bad, having to go through a couple of weeks would not be fun.