While I don't claim to know what's causing everyone to lose donuts, there are a couple of things in this update that definitely have the potential to "trick" people into blowing donuts.
1. Donut spend confirmation -- the last few updates, they've been good about not resetting one's confirmation setting. This time around, my donut spend confirmation got turned off.
2. When you try to buy/upgrade something in SH and don't have enough materials, you get the option to rush with donuts or "Do it," which actually means, "No, don't rush with donuts." I don't know what they were thinking with that wording.
