# App Store Connect API 3.1 release notes Update your server-side code to use new features, and test your code against API changes. ## Discussion App Store Connect API version 3.1 provides resources that enable you to automate actions you take in App Store Connect. ### New Features - Tester Metrics and Metadata now help developers identify relevant, engaged, and active testers within the tester panel to improve beta-app quality. Developers can now read session count, crash count, and feedback count for each tester. For more information see [`Read Beta Tester Metrics for an App`](/documentation/AppStoreConnectAPI/GET-v1-apps-_id_-metrics-betaTesterUsages). - Game Center matchmaking rules help create better matches between players in multiplayer games using game-specific rules. You can configure your rules and test them with sample match requests and player properties. For more information, see [Rules](/documentation/AppStoreConnectAPI/rules) and [Testing](/documentation/AppStoreConnectAPI/testing). - Game Center matchmaking metrics diagnose performance and other issues with matchmaking. You can get match requests, queue information, results, errors, and more. For more information, see [Metrics](/documentation/AppStoreConnectAPI/metrics). ### Deprecations - The `GET-v1-appPreOrders-{id}` endpoint is now deprecated and replaced with [`Read app availability`](/documentation/AppStoreConnectAPI/GET-v2-appAvailabilities-_id_). - The `POST-v1-appPreOrders` endpoint is now deprecated and replaced with [`Create an app pre-order`](/documentation/AppStoreConnectAPI/POST-v2-appAvailabilities). - The `GET-v1-appAvailabilities-{id}-availableTerritories` endpoint is now deprecated and replaced with [`Read app availablity territories`](/documentation/AppStoreConnectAPI/GET-v2-appAvailabilities-_id_-territoryAvailabilities). --- 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)