diff --git a/src/storekit.cs b/src/storekit.cs
index fa25d70097..9a09ab86ea 100644
--- a/src/storekit.cs
+++ b/src/storekit.cs
@@ -32,6 +32,7 @@ namespace StoreKit {
 		[Wrap ("State", IsVirtual = true)]
 		SKDownloadState DownloadState { get;  }
 
+		[Deprecated (PlatformName.MacOSX, 10,15, message: "Use 'ExpectedContentLength' instead.")]
 		[Export ("contentLength", ArgumentSemantic.Copy)]
 		NSNumber ContentLength { get; }
 #else
@@ -39,10 +40,15 @@ namespace StoreKit {
 		[Export ("downloadState")]
 		SKDownloadState DownloadState { get;  }
 		
+		[Deprecated (PlatformName.iOS, 13,0, message: "Use 'ExpectedContentLength' instead.")]
 		[Export ("contentLength")]
 		long ContentLength { get;  }
 #endif
 
+		[TV (13, 0), Mac (10, 15), iOS (13, 0)]
+		[Export ("expectedContentLength")]
+		long ExpectedContentLength { get; }
+
 		[Export ("contentIdentifier")]
 		string ContentIdentifier { get;  }
 
@@ -204,7 +210,20 @@ namespace StoreKit {
 		[Export ("cancelDownloads:")]
 		void CancelDownloads (SKDownload [] downloads);
 
+		[Mac (10, 15), iOS (13, 0)]
+		[Wrap ("WeakDelegate")]
+		[NullAllowed]
+		ISKPaymentQueueDelegate Delegate { get; set; }
 
+		[Mac (10, 15), iOS (13, 0)]
+		[TV (13,0)]
+		[NullAllowed, Export ("delegate", ArgumentSemantic.Weak)]
+		NSObject WeakDelegate { get; set; }
+
+		[Mac (10, 15), iOS (13, 0)]
+		[TV (13,0)]
+		[NullAllowed, Export ("storefront")]
+		SKStorefront Storefront { get; }
 	}
 	
 	[BaseType (typeof (NSObject))]
@@ -224,14 +243,23 @@ namespace StoreKit {
 		[Export ("productIdentifier")]
 		string ProductIdentifier { get; }
 
-		[iOS (6,0)]
+#if MONOMAC
+		[Deprecated (PlatformName.MacOSX, 10,15, message: "Use 'IsDownloadable' instead.")]
 		[Export ("downloadable")]
+		bool Downloadable { get; }
+#elif !XAMCORE_4_0
+		[iOS (6,0)]
+		[Obsolete ("Use 'IsDownloadable' instead.")]
 		bool Downloadable {
-#if !MONOMAC
-			[Bind ("isDownloadable")]
-#endif
+			[Wrap ("IsDownloadable")]
 			get;
 		}
+#endif
+
+		[iOS (6,0)]
+		[Mac (10,15)]
+		[Export ("isDownloadable")]
+		bool IsDownloadable { get; }
 
 		[NoiOS]
 #if XAMCORE_4_0
@@ -304,6 +332,12 @@ namespace StoreKit {
 		[iOS (11,0)][TV (11,0)][NoMac]
 		[Export ("paymentQueue:shouldAddStorePayment:forProduct:")]
 		bool ShouldAddStorePayment (SKPaymentQueue queue, SKPayment payment, SKProduct product);
+
+		[Mac (10,15)]
+		[iOS (13,0)]
+		[TV (13,0)]
+		[Export ("paymentQueueDidChangeStorefront:")]
+		void DidChangeStorefront (SKPaymentQueue queue);
 	}
 
 	[BaseType (typeof (NSObject))]
@@ -811,4 +845,29 @@ namespace StoreKit {
 		Introductory,
 		Subscription,
 	}
+
+	[Mac (10,15)]
+	[iOS (13,0)]
+	[TV (13,0)]
+	[BaseType (typeof (NSObject))]
+	[DisableDefaultCtor] // no `init` but non-null properties
+	interface SKStorefront {
+
+		[Export ("countryCode")]
+		string CountryCode { get; }
+
+		[Export ("identifier")]
+		string Identifier { get; }
+	}
+
+	interface ISKPaymentQueueDelegate {}
+
+	[Mac (10,15), iOS (13,0)]
+	[Protocol]
+	[Model (AutoGeneratedName = true)]
+	[BaseType (typeof(NSObject))]
+	interface SKPaymentQueueDelegate {
+		[Export ("paymentQueue:shouldContinueTransaction:inStorefront:")]
+		bool ShouldContinueTransaction (SKPaymentQueue paymentQueue, SKPaymentTransaction transaction, SKStorefront newStorefront);
+	}
 }
diff --git a/tests/xtro-sharpie/iOS-StoreKit.ignore b/tests/xtro-sharpie/iOS-StoreKit.ignore
new file mode 100644
index 0000000000..055a39a1e5
--- /dev/null
+++ b/tests/xtro-sharpie/iOS-StoreKit.ignore
@@ -0,0 +1,2 @@
+## deprecated w/replacement in iOS 6, not version information specific to iOS
+!missing-selector! SKProduct::contentVersion not bound
diff --git a/tests/xtro-sharpie/iOS-StoreKit.todo b/tests/xtro-sharpie/iOS-StoreKit.todo
deleted file mode 100644
index f27f25b541..0000000000
--- a/tests/xtro-sharpie/iOS-StoreKit.todo
+++ /dev/null
@@ -1,11 +0,0 @@
-!deprecated-attribute-missing! SKDownload::contentLength missing a [Deprecated] attribute
-!missing-protocol! SKPaymentQueueDelegate not bound
-!missing-protocol-member! SKPaymentTransactionObserver::paymentQueueDidChangeStorefront: not found
-!missing-selector! SKDownload::expectedContentLength not bound
-!missing-selector! SKPaymentQueue::delegate not bound
-!missing-selector! SKPaymentQueue::setDelegate: not bound
-!missing-selector! SKPaymentQueue::storefront not bound
-!missing-selector! SKProduct::contentVersion not bound
-!missing-selector! SKStorefront::countryCode not bound
-!missing-selector! SKStorefront::identifier not bound
-!missing-type! SKStorefront not bound
diff --git a/tests/xtro-sharpie/macOS-StoreKit.ignore b/tests/xtro-sharpie/macOS-StoreKit.ignore
index d33cd9fe52..cfc84265f0 100644
--- a/tests/xtro-sharpie/macOS-StoreKit.ignore
+++ b/tests/xtro-sharpie/macOS-StoreKit.ignore
@@ -1,3 +1,7 @@
+# delegate do not mention macOS (as unavailable) but the non-delegate type is not (available)
+!missing-protocol! SKCloudServiceSetupViewControllerDelegate not bound
+!missing-protocol! SKStoreProductViewControllerDelegate not bound
+
 # Fixed in XAMCORE_4_0
 !unknown-native-enum! SKCloudServiceAuthorizationStatus bound
 !unknown-native-enum! SKCloudServiceCapability bound
diff --git a/tests/xtro-sharpie/macOS-StoreKit.todo b/tests/xtro-sharpie/macOS-StoreKit.todo
deleted file mode 100644
index a01a131b50..0000000000
--- a/tests/xtro-sharpie/macOS-StoreKit.todo
+++ /dev/null
@@ -1,14 +0,0 @@
-!deprecated-attribute-missing! SKDownload::contentLength missing a [Deprecated] attribute
-!deprecated-attribute-missing! SKProduct::downloadable missing a [Deprecated] attribute
-!missing-protocol! SKCloudServiceSetupViewControllerDelegate not bound
-!missing-protocol! SKPaymentQueueDelegate not bound
-!missing-protocol! SKStoreProductViewControllerDelegate not bound
-!missing-protocol-member! SKPaymentTransactionObserver::paymentQueueDidChangeStorefront: not found
-!missing-selector! SKDownload::expectedContentLength not bound
-!missing-selector! SKPaymentQueue::delegate not bound
-!missing-selector! SKPaymentQueue::setDelegate: not bound
-!missing-selector! SKPaymentQueue::storefront not bound
-!missing-selector! SKProduct::isDownloadable not bound
-!missing-selector! SKStorefront::countryCode not bound
-!missing-selector! SKStorefront::identifier not bound
-!missing-type! SKStorefront not bound
diff --git a/tests/xtro-sharpie/tvOS-StoreKit.todo b/tests/xtro-sharpie/tvOS-StoreKit.todo
deleted file mode 100644
index 9136b6966f..0000000000
--- a/tests/xtro-sharpie/tvOS-StoreKit.todo
+++ /dev/null
@@ -1,10 +0,0 @@
-!deprecated-attribute-missing! SKDownload::contentLength missing a [Deprecated] attribute
-!missing-protocol! SKPaymentQueueDelegate not bound
-!missing-protocol-member! SKPaymentTransactionObserver::paymentQueueDidChangeStorefront: not found
-!missing-selector! SKDownload::expectedContentLength not bound
-!missing-selector! SKPaymentQueue::delegate not bound
-!missing-selector! SKPaymentQueue::setDelegate: not bound
-!missing-selector! SKPaymentQueue::storefront not bound
-!missing-selector! SKStorefront::countryCode not bound
-!missing-selector! SKStorefront::identifier not bound
-!missing-type! SKStorefront not bound