I\'ve just started seeing a problem with Facebook Connect authentication. If I have version 3.4.4 of the iOS app installed, my delegate\'s fbDidNotLogin method gets called
As pointed out in this thread, you can force FBConnect to use Safari dialogs instead of fast-app switching to the installed FB app. Just comment out the block of code in Facebook.m that calls out to the FB app.
This is one way to route around the FB bug until they fix their app. It's not an ideal solution, but it works.