Do we need something like '#if available'?

[phoneyDev (Stern)]

There are a couple ways to address that:

Conditionally compile based on iOS version? (previewCGImageRepresentation broke)

There are plenty of conditional compile options in Swift, but none seem to address my need: I’ve run into an issue where Xcode 13b2 (iOS 15 SDK) changed the Swift return type of AVCapturePhoto.previewCGImageRepresentation(). In Xcode 12.5.1 (iOS 14 SDK), this method returns Unmanged<CGImage>. In 13b2 - 13b4, it returns CGImage?. I need my code to compile under both Xcode versions, since Xcode 13 has other issues, and can’t be used to submit builds to the App Store. I thought I was clever writi…