Here's a link to the translation of the update:
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From what I can tell along with the
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is that they are probably settled on doing a 2.5 D game instead of an exclusive 2D or a 3D first person game. Also they are going to be making the game in Unity as previously planned while they also learn Unity at the same time which they also did when they made Setalia demon realm....oh and they will be sticking with their previous horror theme/style stuff.