When I login to my Facebbok App page I see: "Upgrade to Facebook SDK 3.1 for iOS This app uses an outdated version of the Facebook SDK for iOS. Please upgrade to the newest version."
I've just upgraded to the 3.1 SDK for my app, but my question is, when will this "warning" disappear? Will it be there as long there is any user out there using a version of my iOS app with the older facebook SDK?