What are the store kit announcements?

Core API Enhancements:
- The transaction history APIs now include finished consumable transactions, starting from iOS 18.
- The Swift Async/Await pattern is now supported for tasks like fetching product metadata, purchasing, and retrieving customer transaction history.
- The back-deployed attribute in Swift allows access to new App Store features even on devices with older operating systems.
Merchandising using SwiftUI:
- New features for customizing the subscription store view.
- Introduction of StoreKit views for building in-app purchase UI.
Testing in Xcode:
- Enhancements to StoreKit testing in Xcode, including the ability to test privacy policies and license agreements locally.
Update to StoreKit 2:
- Encouragement to update apps to use StoreKit 2 for a better in-app purchase experience.

Updates to Offers:
- New fields in the App Store server APIs for offer data, including offer identifier, offer type, and offer discount type.
- New view modifier called subscriptionPromotionalOffer for showing promotional offers in the subscription store view.
Introducing Win-back Offers:
- Overview of Win-back offers and how to configure them.
- Support for Win-back offers in iOS 18 using StoreKit messages.
- New view modifier PreferredSubscriptionOffer to control which offer to display when multiple offers are available.

App Store Server Library:
- The App Store server library is now the recommended way to use the App Store server APIs.
- The library is open source and available in Java, Python, Node.js, and Swift.
- Encouragement to join the developer community on GitHub for feedback and contributions.

For more detailed information, you can watch the sessions using the provided links.