Thanks for the update.
I'd actually suggest saving the Winter Solstice game over for a few months down the road when it's actually holiday season, just to keep with the seasonal theme.
But you're the developer, and if you really want to make sure all you're current content is complete (something I can relate to as a completionist) or you don't think that you'll be able to work on the game in December due to IRL commitments, do what you think is best.
I look forward to the end product regardless.