I would like to start my next app with SwiftUI but constructs such as @AppStorage are not supported in XCode 11.6 and Swift 5.2.4. Do I need Big Sur?
I am running Catalina 10.15.6 and do not have an extra Mac to dedicate to the Big Sur beta. Can I run Big Sur from an external disk? The installer does not appear to support that.
ahoeltje
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Yes, I know WWDC21 was a long time ago but here it is August 2023 and I am looking at the "Building a Great App with SwiftUI. Following along with the Session 1 and 2 videos, I get to the part where you add an Export command. Only, the Export dialog does not appear. The "completed" session 2 source also fails to display an Export dialog. In fact there appears to be no definition for an Export view. I've searched the web, including the Apple forum, for this problem but it looks like no one has encountered this bug. Did anyone ever get this Great App to work?