You can now submit your apps that take advantage of exciting new features available in the next release of macOS, iOS, watchOS, and tvOS. Build your apps using Xcode 9 GM seed, test with the latest releases of macOS High Sierra, iOS 11, watchOS 4, tvOS 11, and submit them for review.

Download GM seeds.

The all-new App Store on iOS 11 provides more opportunities to showcase your content with subtitles, promotional text, additional app previews that you can localize, and up to 20 promoted in-app purchases.

Learn about preparing your apps.