WebKit iOS xcode13.3 beta1

#WebKit.framework https://github.com/xamarin/xamarin-macios/pull/14325

diff -ruN /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKPreferences.h /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKPreferences.h
--- /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKPreferences.h	2021-11-19 10:26:32.000000000 -0500
+++ /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKPreferences.h	2022-01-25 13:03:47.000000000 -0500
@@ -64,6 +64,17 @@
 */
 @property (nonatomic, getter=isTextInteractionEnabled) BOOL textInteractionEnabled API_AVAILABLE(macos(11.3), ios(14.5));
 
+/*! @abstract A Boolean value indicating whether WebKit will apply built-in workarounds (quirks)
+ to improve compatibility with certain known websites. You can disable site-specific quirks
+ to help test your website without these workarounds. Enabled by default.
+ */
+@property (nonatomic, getter=isSiteSpecificQuirksModeEnabled) BOOL siteSpecificQuirksModeEnabled API_AVAILABLE(macos(12.0), ios(15.0));
+
+/*! @abstract A Boolean value indicating whether Fullscreen API is enabled.
+ @discussion The default value is NO. We can set it to YES to enable support for the fullscreen API.
+ */
+@property (nonatomic, getter=isElementFullscreenEnabled) BOOL elementFullscreenEnabled API_AVAILABLE(macos(12.0), ios(15.0));
+
 @end
 
 @interface WKPreferences (WKDeprecated)
diff -ruN /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebView.h /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebView.h
--- /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebView.h	2021-11-19 17:06:30.000000000 -0500
+++ /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebView.h	2022-01-25 13:03:48.000000000 -0500
@@ -74,6 +74,13 @@
     WKMediaCaptureStateMuted,
 } API_AVAILABLE(macos(12.0), ios(15.0));
 
+typedef NS_ENUM(NSInteger, WKFullscreenState) {
+    WKFullscreenStateNotInFullscreen,
+    WKFullscreenStateEnteringFullscreen,
+    WKFullscreenStateInFullscreen,
+    WKFullscreenStateExitingFullscreen,
+} NS_SWIFT_NAME(WKWebView.FullscreenState) API_AVAILABLE(macos(12.0), ios(15.0));
+
 /*! @abstract A copy of the configuration with which the web view was
  initialized. */
 @property (nonatomic, readonly, copy) WKWebViewConfiguration *configuration;
@@ -604,6 +611,16 @@
 @property (nonatomic, null_resettable, copy) NSColor *underPageBackgroundColor API_AVAILABLE(macos(12.0));
 #endif
 
+/*! @abstract A WKWebView's fullscreen state.
+ @discussion @link WKWebView @link is key-value observing (KVO) compliant for this property. When an element
+ in the WKWebView enters fullscreen, WebKit will replace the WKWebView in the application view hierarchy with
+ a "placeholder" view, and move the WKWebView into a fullscreen window. When the element exits fullscreen later,
+ the WKWebView will be moved back into the application view hierarchy. An application may need to adjust/restore
+ its native UI components when the fullscreen state changes. The application should observe the fullscreenState
+ property of WKWebView in order to receive notifications regarding the fullscreen state change.
+ */
+@property (nonatomic, readonly) WKFullscreenState fullscreenState API_AVAILABLE(macos(12.0), ios(15.0));
+
 @end
 
 #if !TARGET_OS_IPHONE
diff -ruN /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebpagePreferences.h /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebpagePreferences.h
--- /Applications/Xcode_13.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebpagePreferences.h	2021-11-19 10:26:32.000000000 -0500
+++ /Applications/Xcode_13.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebpagePreferences.h	2022-01-25 13:03:47.000000000 -0500
@@ -71,4 +71,6 @@
 */
 @property (nonatomic) BOOL allowsContentJavaScript API_AVAILABLE(macos(11.0), ios(14.0));
 
+
+
 @end