The dev's patreon page has listed a halloween event update scheduled for release soon. I don't know the details as I am not a patron, and the post is locked behind a patron only tag, but the post was created on Oct. 24.
The next update is going to be bigger than usual so it's taking longer. It's still 2 to 3 months away. I just released a short but sweet Halloween update to tide people over, which is out now on our Patreon and is well worth a playthrough.
