In "display" tag of the item model json file, the rotation is not acting as it was in previous versions. The X axis is absolute to the whole model, but the Y and Z axis are relative.
In "display" tag of the item model json file, the rotation is not acting as it was in previous versions. The X axis is absolute to the whole model, but the Y and Z axis are relative.
Have you confirmed with no y-axis rotation? The rotations are loaded in the order x->y->z.