Does anyone know of a change to hills science diet dry food formula?

I have been feeding my two cats Hill’s Science Diet, Weight Management, for over a year. They live separately in the house and are completely independent.

Since I bought the latest bag, both of them have been reluctant to eat all of their food, whereas they used to eat it all eagerly. Given that it’s happening with both cats, I suspect something might have changed with the food.

Has anyone else noticed this?