As a developer, I hope for a replacement for Cocoa and Cocoa Touch. A solid, fast, safe framework collection for both iOS and OS X based on Swift. It sounds like "Core OS" could be just that.
While Apple did a remarkable job by making all the Cocoa stuff available in Swift, a lot of Swift's strength only shines when used with frameworks that are built for it.
While Apple did a remarkable job by making all the Cocoa stuff available in Swift, a lot of Swift's strength only shines when used with frameworks that are built for it.