After the upgrade went live, users on Apple's Support Communities and elsewhere began complaining that they could no longer connect or stay connected via Wi-Fi. Some reported that the Wi-Fi option itself was greyed out.
The root of the problem remained unknown for awhile. It's not certain who first solved the mystery, or how. But a Twitter user named tylerc found that iOS checks a certain Apple Web page to make sure that Wi-Fi doesn't require a login. For some reason, that page was down.
The page was soon brought back up, presumably by Apple, thereby restoring Wi-Fi connectivity for iOS 6 and perhaps for other iOS versions.
For all you iOS 6 upgraders out there, did you run into this Wi-Fi glitch yesterday? And if so, has the problem been resolved?
CNET contacted Apple for comment and will update the story if we receive further information.
(Via TechCrunch and Ubergizmo).