# App Store Connect API 1.6 release notes Update your server-side code to use new features, and test your code against API changes. ## Discussion App Store Connect API version 1.6 provides resources that enable you to automate actions you take in App Store Connect. ### New features - The API adds [App Clips and App Clip Experiences](/documentation/AppStoreConnectAPI/app-clips-and-app-clip-experiences). - For TestFlight, a new attribute in [`BetaGroupUpdateRequest.Data.Attributes`](/documentation/AppStoreConnectAPI/BetaGroupUpdateRequest/Data-data.dictionary/Attributes-data.dictionary) helps developers manage their iOS apps on Apple silicon Mac computers. - The [`Build.Relationships.BuildBundles`](/documentation/AppStoreConnectAPI/Build/Relationships-data.dictionary/BuildBundles-data.dictionary) and [`BuildBundle.Relationships.BuildBundleFileSizes`](/documentation/AppStoreConnectAPI/BuildBundle/Relationships-data.dictionary/BuildBundleFileSizes-data.dictionary) relationships provide developers more insight into their app binaries. - The [Apps](/documentation/AppStoreConnectAPI/apps) resource adds the ability to configure a subscription status URL for production and sandbox environments in [`App.Attributes`](/documentation/AppStoreConnectAPI/App/Attributes-data.dictionary) and [`AppUpdateRequest.Data.Attributes`](/documentation/AppStoreConnectAPI/AppUpdateRequest/Data-data.dictionary/Attributes-data.dictionary). --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)