UIKit MacCatalyst xcode26.1 b3

#UIKit.framework

diff -ruN /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIAccessibility.h /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIAccessibility.h
--- /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIAccessibility.h	2025-09-29 00:29:33
+++ /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIAccessibility.h	2025-10-11 07:53:15
@@ -551,8 +551,8 @@
 UIKIT_EXTERN NSNotificationName const UIAccessibilityBoldTextStatusDidChangeNotification API_AVAILABLE(ios(8.0)) API_UNAVAILABLE(watchos) NS_SWIFT_NONISOLATED;
 
 // Returns whether the system preference for button shapes is enabled
-UIKIT_EXTERN BOOL UIAccessibilityButtonShapesEnabled(void) API_AVAILABLE(ios(14.0), tvos(14.0)) API_UNAVAILABLE(watchos) NS_SWIFT_UI_ACTOR;
-UIKIT_EXTERN NSNotificationName const UIAccessibilityButtonShapesEnabledStatusDidChangeNotification API_AVAILABLE(ios(14.0), tvos(14.0)) API_UNAVAILABLE(watchos) NS_SWIFT_NONISOLATED;
+UIKIT_EXTERN BOOL UIAccessibilityButtonShapesEnabled(void) API_DEPRECATED_WITH_REPLACEMENT("AXShowBordersEnabled", ios(14.0, 26.1), tvos(14.0, 26.1)) API_UNAVAILABLE(watchos) NS_SWIFT_UI_ACTOR;
+UIKIT_EXTERN NSNotificationName const UIAccessibilityButtonShapesEnabledStatusDidChangeNotification API_DEPRECATED_WITH_REPLACEMENT("AXShowBordersEnabledStatusDidChangeNotification", ios(14.0, 26.1), tvos(14.0, 26.1)) API_UNAVAILABLE(watchos) NS_SWIFT_NONISOLATED;
 
 // Returns whether the system preference for grayscale is enabled
 UIKIT_EXTERN BOOL UIAccessibilityIsGrayscaleEnabled(void) API_AVAILABLE(ios(8.0)) API_UNAVAILABLE(watchos) NS_SWIFT_UI_ACTOR;
diff -ruN /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIPresentationController.h /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIPresentationController.h
--- /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIPresentationController.h	2025-09-30 23:48:11
+++ /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UIPresentationController.h	2025-10-15 01:04:47
@@ -18,7 +18,7 @@
 
 NS_HEADER_AUDIT_BEGIN(nullability, sendability)
 
-@class UIPresentationController;
+@class UIPresentationController, UIVisualEffect;
 
 API_UNAVAILABLE(watchos) NS_SWIFT_UI_ACTOR
 @protocol UIAdaptivePresentationControllerDelegate <NSObject>
@@ -113,6 +113,9 @@
 
 // Modifies the trait collection for the presentation controller.
 @property(nullable, nonatomic, copy) UITraitCollection *overrideTraitCollection API_DEPRECATED("Use the traitOverrides property instead", ios(8.0, 17.0), visionos(1.0, 1.0)) API_UNAVAILABLE(watchos);
+
+// Set the background effect for this presentation. Set to nil to use default background. Default is nil. Custom presentations are responsible for implementing the background effect if set.
+@property (nonatomic, strong, nullable) UIVisualEffect *backgroundEffect  API_AVAILABLE(ios(26.1)) API_UNAVAILABLE(macCatalyst, watchos, tvos, visionos);
 
 @end
 
diff -ruN /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UISheetPresentationController.h /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UISheetPresentationController.h
--- /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UISheetPresentationController.h	2025-10-01 00:47:30
+++ /Applications/Xcode_26.1.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/UIKit.framework/Headers/UISheetPresentationController.h	2025-10-11 09:26:01
@@ -11,7 +11,7 @@
 
 NS_HEADER_AUDIT_BEGIN(nullability, sendability)
 
-@class UISheetPresentationController;
+@class UISheetPresentationController, UIVisualEffect;
 
 
 typedef NSString *UISheetPresentationControllerDetentIdentifier NS_TYPED_EXTENSIBLE_ENUM API_AVAILABLE(ios(15.0)) API_UNAVAILABLE(tvos, watchos, visionos);
@@ -64,6 +64,9 @@
 
 // The identifier of this detent.
 @property (nonatomic, strong, readonly) UISheetPresentationControllerDetentIdentifier identifier API_AVAILABLE(ios(16.0)) API_UNAVAILABLE(tvos, watchos, visionos);
+
+// Set the background effect for this detent. Set to nil to use default background. Default is nil.
+@property (nonatomic, strong, nullable) UIVisualEffect *backgroundEffect API_AVAILABLE(ios(26.1)) API_UNAVAILABLE(macCatalyst, watchos, tvos, visionos, macos);
 
 // Resolves a detent to its value. Returns UISheetPresentationControllerDetentInactive if the detent is inactive in the provided context.
 // This may be used to get the values of the system medium and large detents, or the value of a custom detent.