Zupreem (the original formula, not the grain free one) appears to have changed both its kibble shape and ingredients. Thanks goes to xxLAYUPxx for alerting me and providing pictures of the new formula (which can be seen at http://forum.ferret.com/tm.aspx?m=229499
I've added the new formula to the food chart database. Since Zupreem is such a popular food, I'm also going to leave the old formula up for comparison for a few months.
I've also gone through another sweep of checkups on foods that haven't been updated in over a year or two. The following had noticeable ingredient changes: