diff --git a/src/GLKit/GLKMesh.cs b/src/GLKit/GLKMesh.cs
index a31fcfa2ae57..3b38e3d81682 100644
--- a/src/GLKit/GLKMesh.cs
+++ b/src/GLKit/GLKMesh.cs
@@ -13,11 +13,9 @@ public partial class GLKMesh {
 		///         <summary>To be added.</summary>
 		///         <returns>To be added.</returns>
 		///         <remarks>To be added.</remarks>
-		public static GLKMesh []? FromAsset (MDLAsset asset, out MDLMesh [] sourceMeshes, out NSError error)
+		public static GLKMesh []? FromAsset (MDLAsset asset, out MDLMesh []? sourceMeshes, out NSError? error)
 		{
-			NSArray aret;
-
-			var ret = FromAsset (asset, out aret, out error);
+			var ret = FromAsset (asset, out NSArray? aret, out error);
 			sourceMeshes = NSArray.FromArray<MDLMesh> (aret);
 			return ret;
 		}
diff --git a/src/glkit.cs b/src/glkit.cs
index 368d1a624dd4..6d9f1b57d428 100644
--- a/src/glkit.cs
+++ b/src/glkit.cs
@@ -433,7 +433,8 @@ interface GLKMesh {
 		[Static]
 		[Export ("newMeshesFromAsset:sourceMeshes:error:")]
 		[return: NullAllowed]
-		GLKMesh [] FromAsset (MDLAsset asset, out NSArray sourceMeshes, out NSError error);
+		[return: Release]
+		GLKMesh [] FromAsset (MDLAsset asset, [NullAllowed] out NSArray sourceMeshes, [NullAllowed] out NSError error);
 
 		/// <summary>To be added.</summary>
 		///         <value>To be added.</value>
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/iOS-GLKit.ignore b/tests/xtro-sharpie/api-annotations-dotnet/iOS-GLKit.ignore
index a53149aeb633..205372105779 100644
--- a/tests/xtro-sharpie/api-annotations-dotnet/iOS-GLKit.ignore
+++ b/tests/xtro-sharpie/api-annotations-dotnet/iOS-GLKit.ignore
@@ -51,7 +51,6 @@
 !missing-pinvoke! NSStringFromGLKVector4 is not bound
 
 # Initial result from new rule missing-release-attribute-on-return-value
-!missing-release-attribute-on-return-value! GLKit.GLKMesh[] GLKit.GLKMesh::FromAsset(ModelIO.MDLAsset,Foundation.NSArray&,Foundation.NSError&)'s selector's ('newMeshesFromAsset:sourceMeshes:error:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferWithData:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:data:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,System.UIntPtr,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:length:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/macOS-GLKit.ignore b/tests/xtro-sharpie/api-annotations-dotnet/macOS-GLKit.ignore
index a53149aeb633..205372105779 100644
--- a/tests/xtro-sharpie/api-annotations-dotnet/macOS-GLKit.ignore
+++ b/tests/xtro-sharpie/api-annotations-dotnet/macOS-GLKit.ignore
@@ -51,7 +51,6 @@
 !missing-pinvoke! NSStringFromGLKVector4 is not bound
 
 # Initial result from new rule missing-release-attribute-on-return-value
-!missing-release-attribute-on-return-value! GLKit.GLKMesh[] GLKit.GLKMesh::FromAsset(ModelIO.MDLAsset,Foundation.NSArray&,Foundation.NSError&)'s selector's ('newMeshesFromAsset:sourceMeshes:error:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferWithData:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:data:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,System.UIntPtr,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:length:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GLKit.ignore b/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GLKit.ignore
index a53149aeb633..205372105779 100644
--- a/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GLKit.ignore
+++ b/tests/xtro-sharpie/api-annotations-dotnet/tvOS-GLKit.ignore
@@ -51,7 +51,6 @@
 !missing-pinvoke! NSStringFromGLKVector4 is not bound
 
 # Initial result from new rule missing-release-attribute-on-return-value
-!missing-release-attribute-on-return-value! GLKit.GLKMesh[] GLKit.GLKMesh::FromAsset(ModelIO.MDLAsset,Foundation.NSArray&,Foundation.NSError&)'s selector's ('newMeshesFromAsset:sourceMeshes:error:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferWithData:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,Foundation.NSData,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:data:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.
 !missing-release-attribute-on-return-value! ModelIO.IMDLMeshBuffer GLKit.GLKMeshBufferAllocator::CreateBuffer(ModelIO.IMDLMeshBufferZone,System.UIntPtr,ModelIO.MDLMeshBufferType)'s selector's ('newBufferFromZone:length:type:') Objective-C method family ('new') indicates that the native method returns a retained object, and as such a '[return: Release]' attribute is required.