Originally Posted by
jphripjah
I often check my reservations on the IHG app or website a few days before check in and see that I've gotten a free upgrade. Great.
........
Is there any way to protect oneself from the "disappearing upgrade"?
Yes - don't look for them & you'd never know what you could have got. When you check in, you'll either get what you booked, or a nice surprise. I stopped checking in advance for this very reason.