diff --git a/src/GameKit/GameKit.cs b/src/GameKit/GameKit.cs
index e04963aa8374..d42c6a655936 100644
--- a/src/GameKit/GameKit.cs
+++ b/src/GameKit/GameKit.cs
@@ -220,6 +220,7 @@ public enum GKError : long {
 		ICloudUnavailable = 35,
 		LockdownMode = 36,
 		AppUnlisted = 37,
+		DebugMode = 38,
 		FriendListDescriptionMissing = 100,
 		FriendListRestricted = 101,
 		FriendListDenied = 102,
@@ -434,6 +435,10 @@ public enum GKGameCenterViewControllerState : long {
 
 	// NSInteger -> GKMatchmaker.h
 	[Native]
+	[Deprecated (PlatformName.iOS, 18, 4, message: "Use 'GKInviteRecipientResponse' instead.")]
+	[Deprecated (PlatformName.MacOSX, 15, 4, message: "Use 'GKInviteRecipientResponse' instead.")]
+	[Deprecated (PlatformName.TvOS, 18, 4, message: "Use 'GKInviteRecipientResponse' instead.")]
+	[Deprecated (PlatformName.MacCatalyst, 18, 4, message: "Use 'GKInviteRecipientResponse' instead.")]
 	public enum GKInviteeResponse : long {
 		/// <summary>To be added.</summary>
 		Accepted = 0,
diff --git a/src/gamekit.cs b/src/gamekit.cs
index 46c312f55aa4..3dfaf205f623 100644
--- a/src/gamekit.cs
+++ b/src/gamekit.cs
@@ -1874,6 +1874,10 @@ interface GKAchievementDescription : NSSecureCoding {
 		[Export ("rarityPercent", ArgumentSemantic.Copy)]
 		[NullAllowed]
 		NSNumber RarityPercent { get; }
+
+		[TV (18, 4), Mac (15, 4), iOS (18, 4), MacCatalyst (18, 4)]
+		[Export ("releaseState", ArgumentSemantic.Assign)]
+		GKReleaseState ReleaseState { get; }
 	}
 
 	/// <include file="../docs/api/GameKit/IGKAchievementViewControllerDelegate.xml" path="/Documentation/Docs[@DocId='T:GameKit.IGKAchievementViewControllerDelegate']/*" />
@@ -3188,4 +3192,12 @@ interface GKMatchedPlayers {
 		[NullAllowed, Export ("playerProperties")]
 		NSDictionary<GKPlayer, NSDictionary<NSString, NSObject>> PlayerProperties { get; }
 	}
+
+	[TV (18, 4), Mac (15, 4), iOS (18, 4), MacCatalyst (18, 4)]
+	[Native]
+	public enum GKReleaseState : ulong {
+		Unknown,
+		Released,
+		Prereleased,
+	}
 }
diff --git a/tests/cecil-tests/Documentation.KnownFailures.txt b/tests/cecil-tests/Documentation.KnownFailures.txt
index 89e8af3bd718..822adfa9af3c 100644
--- a/tests/cecil-tests/Documentation.KnownFailures.txt
+++ b/tests/cecil-tests/Documentation.KnownFailures.txt
@@ -8043,6 +8043,7 @@ F:GameKit.GKError.ApiNotAvailable
 F:GameKit.GKError.ApiObsolete
 F:GameKit.GKError.AppUnlisted
 F:GameKit.GKError.ConnectionTimeout
+F:GameKit.GKError.DebugMode
 F:GameKit.GKError.FriendListDenied
 F:GameKit.GKError.FriendListDescriptionMissing
 F:GameKit.GKError.FriendListRestricted
@@ -8067,6 +8068,9 @@ F:GameKit.GKMatchmakingMode.NearbyOnly
 F:GameKit.GKMatchSendDataMode.Reliable
 F:GameKit.GKMatchSendDataMode.Unreliable
 F:GameKit.GKPeerConnectionState.ConnectedRelay
+F:GameKit.GKReleaseState.Prereleased
+F:GameKit.GKReleaseState.Released
+F:GameKit.GKReleaseState.Unknown
 F:GameplayKit.GKBox.Max
 F:GameplayKit.GKBox.Min
 F:GameplayKit.GKGameModel.MaxScore
@@ -67473,6 +67477,7 @@ T:GameKit.GKPlayerPhotoLoaded
 T:GameKit.GKPlayersEventArgs
 T:GameKit.GKPlayersHandler
 T:GameKit.GKQueryHandler
+T:GameKit.GKReleaseState
 T:GameKit.GKScoresLoadedHandler
 T:GameKit.GKSendDataMode
 T:GameKit.GKSessionMode
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/MacCatalyst-GameKit.todo b/tests/xtro-sharpie/api-annotations-dotnet/MacCatalyst-GameKit.todo
deleted file mode 100644
index b66fb1ac048a..000000000000
--- a/tests/xtro-sharpie/api-annotations-dotnet/MacCatalyst-GameKit.todo
+++ /dev/null
@@ -1,3 +0,0 @@
-!missing-enum! GKReleaseState not bound
-!missing-enum-value! GKError native value GKErrorDebugMode = 38 not bound
-!missing-selector! GKAchievementDescription::releaseState not bound
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/iOS-GameKit.todo b/tests/xtro-sharpie/api-annotations-dotnet/iOS-GameKit.todo
deleted file mode 100644
index b66fb1ac048a..000000000000
--- a/tests/xtro-sharpie/api-annotations-dotnet/iOS-GameKit.todo
+++ /dev/null
@@ -1,3 +0,0 @@
-!missing-enum! GKReleaseState not bound
-!missing-enum-value! GKError native value GKErrorDebugMode = 38 not bound
-!missing-selector! GKAchievementDescription::releaseState not bound
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/macOS-GameKit.todo b/tests/xtro-sharpie/api-annotations-dotnet/macOS-GameKit.todo
deleted file mode 100644
index b66fb1ac048a..000000000000
--- a/tests/xtro-sharpie/api-annotations-dotnet/macOS-GameKit.todo
+++ /dev/null
@@ -1,3 +0,0 @@
-!missing-enum! GKReleaseState not bound
-!missing-enum-value! GKError native value GKErrorDebugMode = 38 not bound
-!missing-selector! GKAchievementDescription::releaseState not bound
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GameKit.todo b/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GameKit.todo
deleted file mode 100644
index b66fb1ac048a..000000000000
--- a/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GameKit.todo
+++ /dev/null
@@ -1,3 +0,0 @@
-!missing-enum! GKReleaseState not bound
-!missing-enum-value! GKError native value GKErrorDebugMode = 38 not bound
-!missing-selector! GKAchievementDescription::releaseState not bound