GameKit tvOS 13.0 Beta 2 to Beta 3 API Differences

GKAchievementViewController.h
Removed GKAchievementViewController ()
GKLeaderboardViewController.h
Removed GKLeaderboardViewController ()
Added GKLeaderboardViewController ()
Declaration
From@property (nonatomic, assign) id<GKLeaderboardViewControllerDelegate> leaderboardDelegate
To@property (nonatomic, weak) id<GKLeaderboardViewControllerDelegate> leaderboardDelegate

GKRemoteUIController.h