RE: But the key's not even present in my Info.plist, nor is the string '$minimumSystemVersion'
If you command click on the plist entry you get the option to show "Raw Keys and Values" - then you can see LSMinimumSystemVersion and add it.
mrschroeder
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution