diff --git a/src/WKWebKit/Defs.cs b/src/WKWebKit/Defs.cs
index 716827ca0932..169b248dacc8 100644
--- a/src/WKWebKit/Defs.cs
+++ b/src/WKWebKit/Defs.cs
@@ -56,6 +56,14 @@ public enum WKErrorCode : nint {
 		JavaScriptExceptionOccurred,
 		[iOS (9,0)][Mac (10,11, onlyOn64 : true)]
 		JavaScriptResultTypeIsUnsupported,
+		[iOS (11,0)][Mac (10,13, onlyOn64 : true)]
+		ContentRuleListStoreCompileFailed,
+		[iOS (11,0)][Mac (10,13, onlyOn64 : true)]
+		ContentRuleListStoreLookUpFailed,
+		[iOS (11,0)][Mac (10,13, onlyOn64 : true)]
+		ContentRuleListStoreRemoveFailed,
+		[iOS (11,0)][Mac (10,13, onlyOn64 : true)]
+		ContentRuleListStoreVersionMismatch
 	}
 
 #if !MONOMAC || !XAMCORE_4_0
diff --git a/src/wkwebkit.cs b/src/wkwebkit.cs
index 0bd498567bda..e70f89b38f49 100644
--- a/src/wkwebkit.cs
+++ b/src/wkwebkit.cs
@@ -61,6 +61,77 @@ interface WKBackForwardList {
 		WKBackForwardListItem ItemAtIndex (nint index);
 	}
 
+	[Mac (10,13), iOS (11,0)]
+	[BaseType (typeof(NSObject))]
+	interface WKContentRuleList
+	{
+		[Export ("identifier")]
+		string Identifier { get; }
+	}
+
+	[Mac (10,13), iOS (11,0)]
+	[BaseType (typeof(NSObject))]
+	interface WKContentRuleListStore
+	{
+		[Static]
+		[Export ("defaultStore")]
+		WKContentRuleListStore DefaultStore { get; }
+	
+		[Static]
+		[Export ("storeWithURL:")]
+		WKContentRuleListStore FromUrl (NSUrl url);
+	
+		[Export ("compileContentRuleListForIdentifier:encodedContentRuleList:completionHandler:")]
+		[Async]
+		void CompileContentRuleList (string identifier, string encodedContentRuleList, Action<WKContentRuleList, NSError> completionHandler);
+	
+		[Export ("lookUpContentRuleListForIdentifier:completionHandler:")]
+		[Async]
+		void LookUpContentRuleList (string identifier, Action<WKContentRuleList, NSError> completionHandler);
+	
+		[Export ("removeContentRuleListForIdentifier:completionHandler:")]
+		[Async]
+		void RemoveContentRuleList (string identifier, Action<NSError> completionHandler);
+	
+		[Export ("getAvailableContentRuleListIdentifiers:")]
+		[Async]
+		void GetAvailableContentRuleListIdentifiers (Action<string []> callback);
+	}
+	
+	[Mac (10,13), iOS (11,0)]
+	[BaseType (typeof(NSObject))]
+	[DisableDefaultCtor]
+	interface WKHttpCookieStore
+	{
+		[Export ("getAllCookies:")]
+		[Async]
+		void GetAllCookies (Action<NSHttpCookie []> completionHandler);
+	
+		[Export ("setCookie:completionHandler:")]
+		[Async]
+		void SetCookie (NSHttpCookie cookie, [NullAllowed] Action completionHandler);
+	
+		[Export ("deleteCookie:completionHandler:")]
+		[Async]
+		void DeleteCookie (NSHttpCookie cookie, [NullAllowed] Action completionHandler);
+	
+		[Export ("addObserver:")]
+		void AddObserver (IWKHttpCookieStoreObserver observer);
+	
+		[Export ("removeObserver:")]
+		void RemoveObserver (IWKHttpCookieStoreObserver observer);
+	}
+
+	interface IWKHttpCookieStoreObserver {}
+	
+	[Mac (10,13), iOS (11,0)]
+	[Protocol]
+	interface WKHttpCookieStoreObserver
+	{
+		[Export ("cookiesDidChangeInCookieStore:")]
+		void CookiesDidChangeInCookieStore (WKHttpCookieStore cookieStore);
+	}
+	
 	[iOS (8,0), Mac (10,10, onlyOn64 : true)] // Not defined in 32-bit
 	[BaseType (typeof (NSObject))]
 	interface WKFrameInfo : NSCopying {
@@ -227,6 +298,59 @@ interface WKSecurityOrigin {
 		nint Port { get; }
 	}
 
+	
+	[Mac (10,13), iOS (11,0)]
+	[BaseType (typeof(NSObject))]
+	interface WKSnapshotConfiguration {
+		[Export ("rect")]
+		CGRect Rect { get; set; }
+
+		[Export ("snapshotWidth")]
+		NSNumber SnapshotWidth { get; set; }
+	}
+
+#if XAMCORE_2_0
+	interface IWKUrlSchemeHandler {}
+	[Mac (10,13), iOS (11,0)]
+	[Protocol]
+	interface WKUrlSchemeHandler
+	{
+		[Abstract]
+		[Export ("webView:startURLSchemeTask:")]
+		void StartUrlSchemeTask (WKWebView webView, IWKUrlSchemeTask urlSchemeTask);
+	
+		[Abstract]
+		[Export ("webView:stopURLSchemeTask:")]
+		void StopUrlSchemeTask (WKWebView webView, IWKUrlSchemeTask urlSchemeTask);
+	}
+#endif
+	interface IWKUrlSchemeTask {}
+
+	[Mac (10,13), iOS (11,0)]
+	[Protocol]
+	interface WKUrlSchemeTask
+	{
+		[Abstract]
+		[Export ("request", ArgumentSemantic.Copy)]
+		NSUrlRequest Request { get; }
+	
+		[Abstract]
+		[Export ("didReceiveResponse:")]
+		void DidReceiveResponse (NSUrlResponse response);
+	
+		[Abstract]
+		[Export ("didReceiveData:")]
+		void DidReceiveData (NSData data);
+	
+		[Abstract]
+		[Export ("didFinish")]
+		void DidFinish ();
+	
+		[Abstract]
+		[Export ("didFailWithError:")]
+		void DidFailWithError (NSError error);
+	}
+	
 	[iOS (9,0), Mac(10,11, onlyOn64 : true)]
 	[BaseType (typeof(NSObject))]
 	interface WKWebsiteDataRecord
@@ -296,6 +420,10 @@ interface WKWebsiteDataStore : NSCoding {
 		[Export ("removeDataOfTypes:modifiedSince:completionHandler:")]
 		[Async]
 		void RemoveDataOfTypes (NSSet<NSString> websiteDataTypes, NSDate date, Action completionHandler);
+
+		[Mac (10, 13), iOS (11, 0)]
+		[Export ("httpCookieStore")]
+		WKHttpCookieStore HttpCookieStore { get; }
 	}
 	
 	[Mac (10,10, onlyOn64 : true), iOS (8,0)]
@@ -355,6 +483,18 @@ interface WKUserContentController : NSCoding {
 
 		[Export ("removeScriptMessageHandlerForName:")]
 		void RemoveScriptMessageHandler (string name);
+
+		[Mac (10,13), iOS (11,0)]
+		[Export ("addContentRuleList:")]
+		void AddContentRuleList (WKContentRuleList contentRuleList);
+	
+		[Mac (10,13), iOS (11,0)]
+		[Export ("removeContentRuleList:")]
+		void RemoveContentRuleList (WKContentRuleList contentRuleList);
+	
+		[Mac (10,13), iOS (11,0)]
+		[Export ("removeAllContentRuleLists")]
+		void RemoveAllContentRuleLists ();
 	}
 
 	[iOS (8,0), Mac (10,10, onlyOn64 : true)] // Not defined in 32-bit
@@ -519,6 +659,23 @@ interface WKWebView {
 		[iOS (10,0)][Mac (10,12, onlyOn64 : true)]
 		[NullAllowed, Export ("serverTrust")]
 		SecTrust ServerTrust { get; }
+
+#if !MONOMAC
+		[iOS (11,0)]
+		[Async]
+		[Export ("takeSnapshotWithConfiguration:completionHandler:")]
+		void TakeSnapshot ([NullAllowed] WKSnapshotConfiguration snapshotConfiguration, Action<UIImage, NSError> completionHandler);
+#else
+		[Mac (10,13)]
+		[Export ("takeSnapshotWithConfiguration:completionHandler:")]
+		[Async]
+		void TakeSnapshot ([NullAllowed] WKSnapshotConfiguration snapshotConfiguration, Action<NSImage, NSError> completionHandler);
+#endif
+		[Mac (10,13), iOS (11,0)]
+		[Static]
+		[Export ("handlesURLScheme:")]
+		bool HandlesUrlScheme (string urlScheme);
+
 	}
 
 	delegate void WKJavascriptEvaluationResult (NSObject result, NSError error);
@@ -586,6 +743,17 @@ interface WKWebViewConfiguration : NSCopying, NSCoding {
 		[NoMac]
 		[Export ("ignoresViewportScaleLimits")]
 		bool IgnoresViewportScaleLimits { get; set; }
+
+#if XAMCORE_2_0
+		[Mac (10,13), iOS (11,0)]
+		[Export ("setURLSchemeHandler:forURLScheme:")]
+		void SetUrlSchemeHandler ([NullAllowed] IWKUrlSchemeHandler urlSchemeHandler, string urlScheme);
+	
+		[Mac (10,13), iOS (11,0)]
+		[Export ("urlSchemeHandlerForURLScheme:")]
+		[return: NullAllowed]
+		IWKUrlSchemeHandler GetUrlSchemeHandler (string urlScheme);
+#endif
 	}
 
 	[iOS (8,0), Mac (10,10, onlyOn64 : true)] // Not defined in 32-bit