Foundation iOS xcode26.1 b2

#Foundation.framework

diff -ruN /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSProcessInfo.h /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSProcessInfo.h
--- /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSProcessInfo.h	2025-09-08 04:34:39
+++ /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSProcessInfo.h	2025-09-29 05:56:43
@@ -245,6 +245,7 @@
 
 @property (readonly, getter=isMacCatalystApp) BOOL macCatalystApp API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 @property (readonly, getter=isiOSAppOnMac) BOOL iOSAppOnMac API_AVAILABLE(macos(11.0), ios(14.0), watchos(7.0), tvos(14.0));
+@property (readonly, getter=isiOSAppOnVision) BOOL iOSAppOnVision API_AVAILABLE(macos(26.1), ios(26.1), watchos(26.1), tvos(26.1), visionos(26.1));
 
 @end
 
diff -ruN /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h
--- /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h	2025-09-17 08:01:14
+++ /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h	2025-09-29 06:48:34
@@ -91,6 +91,7 @@
     NSURLErrorNetworkUnavailableReasonCellular =    0,
     NSURLErrorNetworkUnavailableReasonExpensive =   1,
     NSURLErrorNetworkUnavailableReasonConstrained = 2,
+    NSURLErrorNetworkUnavailableReasonUltraConstrained API_AVAILABLE(macos(26.1), ios(26.1), watchos(26.1), tvos(26.1), visionos(26.1)) = 3,
 } API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
 /*!
diff -ruN /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h
--- /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h	2025-09-08 04:30:57
+++ /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h	2025-09-29 06:45:29
@@ -335,6 +335,14 @@
 @property (readonly) BOOL allowsConstrainedNetworkAccess API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
 /*!
+ @abstract returns whether a connection created with this request is allowed to use
+ network interfaces which have been marked as ultra constrained.
+ @result YES if the receiver is allowed to use an interface marked as ultra constrained to
+ satisfy the request, NO otherwise.
+ */
+@property (readonly) BOOL allowsUltraConstrainedNetworkAccess API_AVAILABLE(macos(26.1), ios(26.1), watchos(26.1), tvos(26.1), visionos(26.1));
+
+/*!
  @abstract returns whether we assume that server supports HTTP/3. Enables QUIC
  racing without HTTP/3 service discovery.
  @result YES if server endpoint is known to support HTTP/3. Defaults to NO.
@@ -474,6 +482,14 @@
  satisfy the request, YES otherwise.
  */
 @property BOOL allowsConstrainedNetworkAccess API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
+
+/*!
+ @abstract sets whether a connection created with this request is allowed to use
+ network interfaces which have been marked as ultra constrained.
+ @discussion NO if the receiver should not be allowed to use an interface marked as ultra constrained to
+ satisfy the request, YES otherwise.
+ */
+@property BOOL allowsUltraConstrainedNetworkAccess API_AVAILABLE(macos(26.1), ios(26.1), watchos(26.1), tvos(26.1), visionos(26.1));
 
 /*!
  @abstract returns whether we assume that server supports HTTP/3. Enables QUIC
diff -ruN /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h
--- /Applications/Xcode_26.1.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h	2025-09-08 04:30:57
+++ /Applications/Xcode_26.1.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h	2025-09-29 06:09:14
@@ -758,6 +758,9 @@
 /* allow request to route over networks in constrained mode. Defaults to YES. */
 @property BOOL allowsConstrainedNetworkAccess API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
+/* allow request to route over ultra constrained networks. */
+@property BOOL allowsUltraConstrainedNetworkAccess API_AVAILABLE(macos(26.1), ios(26.1), watchos(26.1), tvos(26.1), visionos(26.1));
+
 /* requires requests from the session to be made with DNSSEC validation enabled. Defaults to NO. */
 @property BOOL requiresDNSSECValidation API_AVAILABLE(macos(13.0), ios(16.0), watchos(9.0), tvos(16.0));