The sample app at this year’s Platform State of the Union was a place to relax. An origami app. A place, as Maribeth from the Foundation Models team put it, “to unwind and get creative with paper.” The demo involved generating paper craft projects from photos and producing step-by-step folding tutorials. The whole thing was warm and unhurried and thoroughly charming. It was also, almost certainly, not chosen by accident. The art of the fold. At the same time those demos were being presented, developers with access to the iOS 27 beta were already looking elsewhere. Sam Gold, a developer who reads Apple’s framework strings, found two terms that had not appeared in iOS 26: foldState and angleDegrees . A third discovery was arguably more specific: a new system key that returns the total count of built-in displays on a device. On every iPhone Apple has ever shipped, that number is one. An API that queries whether the answer might be something other than one has a fairly obvious use case.…