The Facebook iOS SDK 3.0 Beta says \"These new features work with iOS 4.0 and later.\" Does that mean that it won\'t work on iOS 3.x? Does that mean that if I have an app th
For what it's worth, Apple announced at WWDC 2012 that more than 80% of iOS users are using iOS 5; a further significant percentage is using iOS 4.
I realize you may have specific business needs to use 3.x, but the world is moving quickly away from 3.x (and even 4.x!) and that should factor in to your platform design.
The previous stable (non-3.0) Facebook SDK is still compatible with 3.x devices.