diff -ruN /Applications/Xcode_26.2.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFError.h /Applications/Xcode_26.2.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFError.h
--- /Applications/Xcode_26.2.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFError.h	2025-10-31 10:54:58
+++ /Applications/Xcode_26.2.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFError.h	2025-11-14 02:57:18
@@ -16,4 +16,5 @@
     SFErrorLoadingInterrupted = 3,
     SFErrorInternalError = 4,
     SFErrorMissingEntitlement = 5,
+    SFErrorMaximumAttemptsExceeded = 6,
 } API_AVAILABLE(ios(10.0), macCatalyst(13.4));
diff -ruN /Applications/Xcode_26.2.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFSafariExtensionState.h /Applications/Xcode_26.2.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFSafariExtensionState.h
--- /Applications/Xcode_26.2.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFSafariExtensionState.h	2025-10-31 10:54:58
+++ /Applications/Xcode_26.2.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/iOSSupport/System/Library/Frameworks/SafariServices.framework/Headers/SFSafariExtensionState.h	2025-11-14 02:57:18
@@ -8,7 +8,7 @@
 
 NS_SWIFT_SENDABLE
 SF_EXTERN API_AVAILABLE(ios(26.2), visionos(26.2)) API_UNAVAILABLE(tvos, watchos)
-@interface SFSafariExtensionState : NSObject<NSSecureCoding>
+@interface SFSafariExtensionState : NSObject
 
 @property (nonatomic, readonly, getter=isEnabled) BOOL enabled;