this is the same recipe as 20 years ago. I actually used to work on redesigning the formulation and process for strawberry fillings. Nothing changed except your taste buds.
Older pop-tarts had mostly rectangular icing but now one edge has a semi-circle shape. Coincidentally, this is the side they show cut off on the front of the box to show the filling.
Changing the ratio of filling/ crust/ icing would change the taste
Nothing changed, but you redesigned the formulation? What does that mean?