diff --git a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
index a69115b7..9ccdc846 100644
--- a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
+++ b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
@@ -9,8 +9,9 @@
 #import <Foundation/Foundation.h>
 #import "_LSOpenConfiguration.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @interface LSApplicationWorkspace : NSObject
 +(nullable instancetype)defaultWorkspace;
--(void)openURL:(nonnull NSURL *)url configuration:(nonnull _LSOpenConfiguration *)config completionHandler:(void (^ _Nonnull)(BOOL))completion;
-
+-(void)openURL:(NSURL *)url configuration:(_LSOpenConfiguration *)config completionHandler:(void (^)(BOOL))completion;
 @end
+NS_ASSUME_NONNULL_END
diff --git a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
index a05ed0f4..b3e5ec96 100644
--- a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
+++ b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-arm64e/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
@@ -8,12 +8,14 @@
 
 #import <Foundation/Foundation.h>
 
+NS_ASSUME_NONNULL_BEGIN
 @interface _LSOpenConfiguration : NSObject
 @property(assign, getter=isSensitive,nonatomic) BOOL sensitive;
 @property(nonatomic, retain, nullable) id targetConnectionEndpoint;
--(nonnull instancetype)init;
+-(instancetype)init;
 -(BOOL)isSensitive;
 -(void)setSensitive:(BOOL)sensitive;
--(void)setTargetConnectionEndpoint:(id)endpoint ;
--(id)targetConnectionEndpoint;
+-(void)setTargetConnectionEndpoint:(nullable id)endpoint ;
+-(nullable id)targetConnectionEndpoint;
 @end
+NS_ASSUME_NONNULL_END
\ No newline at end of file
diff --git a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
index a69115b7..9ccdc846 100644
--- a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
+++ b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/LSApplicationWorkspace.h
@@ -9,8 +9,9 @@
 #import <Foundation/Foundation.h>
 #import "_LSOpenConfiguration.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @interface LSApplicationWorkspace : NSObject
 +(nullable instancetype)defaultWorkspace;
--(void)openURL:(nonnull NSURL *)url configuration:(nonnull _LSOpenConfiguration *)config completionHandler:(void (^ _Nonnull)(BOOL))completion;
-
+-(void)openURL:(NSURL *)url configuration:(_LSOpenConfiguration *)config completionHandler:(void (^)(BOOL))completion;
 @end
+NS_ASSUME_NONNULL_END
diff --git a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
index a05ed0f4..b3e5ec96 100644
--- a/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
+++ b/PrivateFrameworks/CoreServices.xcframework/ios-arm64-x86_64-simulator/CoreServices.framework/Headers/Private/_LSOpenConfiguration.h
@@ -8,12 +8,14 @@
 
 #import <Foundation/Foundation.h>
 
+NS_ASSUME_NONNULL_BEGIN
 @interface _LSOpenConfiguration : NSObject
 @property(assign, getter=isSensitive,nonatomic) BOOL sensitive;
 @property(nonatomic, retain, nullable) id targetConnectionEndpoint;
--(nonnull instancetype)init;
+-(instancetype)init;
 -(BOOL)isSensitive;
 -(void)setSensitive:(BOOL)sensitive;
--(void)setTargetConnectionEndpoint:(id)endpoint ;
--(id)targetConnectionEndpoint;
+-(void)setTargetConnectionEndpoint:(nullable id)endpoint ;
+-(nullable id)targetConnectionEndpoint;
 @end
+NS_ASSUME_NONNULL_END
\ No newline at end of file
diff --git a/Sources/COpenSwiftUI/include/LockedPointer.h b/Sources/COpenSwiftUI/include/LockedPointer.h
index 19462741..caf4fefd 100644
--- a/Sources/COpenSwiftUI/include/LockedPointer.h
+++ b/Sources/COpenSwiftUI/include/LockedPointer.h
@@ -1,8 +1,9 @@
 //
 //  LockedPointer.h
-//  
-//
+//  OpenSwiftUI
 //
+//  Audited for RELEASE_2021
+//  Status: Complete
 
 #ifndef LockedPointer_h
 #define LockedPointer_h
diff --git a/Sources/COpenSwiftUI/include/OpenSwiftUIBase.h b/Sources/COpenSwiftUI/include/OpenSwiftUIBase.h
index fd0876d8..245a789c 100644
--- a/Sources/COpenSwiftUI/include/OpenSwiftUIBase.h
+++ b/Sources/COpenSwiftUI/include/OpenSwiftUIBase.h
@@ -1,8 +1,9 @@
 //
 //  OpenSwiftUIBase.h
-//  
-//
+//  OpenSwiftUI
 //
+//  Audited for RELEASE_2021
+//  Status: Complete
 
 #ifndef OpenSwiftUIBase_h
 #define OpenSwiftUIBase_h
diff --git a/Sources/COpenSwiftUI/include/OpenSwiftUI_SPI.h b/Sources/COpenSwiftUI/include/OpenSwiftUI_SPI.h
index fa28bc2c..28030a5d 100644
--- a/Sources/COpenSwiftUI/include/OpenSwiftUI_SPI.h
+++ b/Sources/COpenSwiftUI/include/OpenSwiftUI_SPI.h
@@ -1,27 +1,62 @@
 //
 //  OpenSwiftUI_SPI.h
+//  OpenSwiftUI
 //
-//
-//
+//  Audited for RELEASE_2021
+//  Status: WIP
 
 #ifndef OpenSwiftUI_SPI_h
 #define OpenSwiftUI_SPI_h
 
+#include "OpenSwiftUIBase.h"
+
+#if __has_include(<QuartzCore/CoreAnimation.h>)
+
+#import <QuartzCore/CoreAnimation.h>
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
+@interface CALayer (OpenSwiftUI_SPI)
+- (BOOL)hasBeenCommitted;
+@end
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
+#endif /* CoreAnimation.h */
+
 #if __has_include(<UIKit/UIKit.h>)
+
 #import <UIKit/UIKit.h>
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
 @interface UIApplication (OpenSwiftUI_SPI)
 - (void)startedTest:(nullable NSString *)name;
 - (void)finishedTest:(nullable NSString *)name;
 - (void)failedTest:(nullable NSString *)name withFailure:(nullable NSError*)failure;
 - (nullable NSString *)_launchTestName;
 @end
+
+@interface UIView (OpenSwiftUI_SPI)
+- (BOOL)_shouldAnimatePropertyWithKey:(NSString *)key;
+@end
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
 #elif __has_include(<AppKit/AppKit.h>)
+
 #import <AppKit/AppKit.h>
+
+OPENSWIFTUI_ASSUME_NONNULL_BEGIN
+
 @interface NSApplication (OpenSwiftUI_SPI)
 - (void)startedTest:(nullable NSString *)name;
 - (void)finishedTest:(nullable NSString *)name;
 - (void)failedTest:(nullable NSString *)name withFailure:(nullable NSError*)failure;
 @end
-#endif
+
+OPENSWIFTUI_ASSUME_NONNULL_END
+
+#endif /* UIKit.h / AppKit.h */
 
 #endif /* OpenSwiftUI_SPI_h */
diff --git a/Sources/COpenSwiftUI/include/ProtocolDescriptor.h b/Sources/COpenSwiftUI/include/ProtocolDescriptor.h
index 9827fc13..ab4adcfc 100644
--- a/Sources/COpenSwiftUI/include/ProtocolDescriptor.h
+++ b/Sources/COpenSwiftUI/include/ProtocolDescriptor.h
@@ -1,8 +1,9 @@
 //
 //  ProtocolDescriptor_h
+//  OpenSwiftUI
 //
-//
-//
+//  Audited for RELEASE_2021
+//  Status: WIP
 
 #ifndef ProtocolDescriptor_h
 #define ProtocolDescriptor_h
diff --git a/Sources/COpenSwiftUI/include/TLS.h b/Sources/COpenSwiftUI/include/TLS.h
index ae10c112..c2d54e18 100644
--- a/Sources/COpenSwiftUI/include/TLS.h
+++ b/Sources/COpenSwiftUI/include/TLS.h
@@ -1,8 +1,9 @@
 //
 //  TLS.h
-//  
-//
+//  OpenSwiftUI
 //
+//  Audited for RELEASE_2021
+//  Status: Complete
 
 #ifndef TLS_h
 #define TLS_h
diff --git a/Sources/COpenSwiftUI/include/dyld_Private.h b/Sources/COpenSwiftUI/include/dyld_Private.h
index 4a823c11..5da6b716 100644
--- a/Sources/COpenSwiftUI/include/dyld_Private.h
+++ b/Sources/COpenSwiftUI/include/dyld_Private.h
@@ -1,8 +1,9 @@
 //
 //  dyld_Private.h
+//  OpenSwiftUI
 //
-//
-//
+//  Audited for RELEASE_2021
+//  Status: Complete
 
 #ifndef dyld_Private_h
 #define dyld_Private_h
diff --git a/Sources/OpenSwiftUI/Integration/UIKit/_UIGraphicsView.swift b/Sources/OpenSwiftUI/Integration/UIKit/_UIGraphicsView.swift
new file mode 100644
index 00000000..0790c641
--- /dev/null
+++ b/Sources/OpenSwiftUI/Integration/UIKit/_UIGraphicsView.swift
@@ -0,0 +1,21 @@
+//
+//  _UIGraphicsView.swift
+//  OpenSwiftUI
+//
+//  Audited for RELEASE_2021
+//  Status: Complete
+
+#if os(iOS)
+internal import COpenSwiftUI
+import UIKit
+
+class _UIGraphicsView: UIView {
+    override func _shouldAnimateProperty(withKey key: String) -> Bool {
+        if layer.hasBeenCommitted() {
+            super._shouldAnimateProperty(withKey: key)
+        } else {
+            false
+        }
+    }
+}
+#endif
diff --git a/Sources/OpenSwiftUI/View/Control/Link/internal/LinkDestination.swift b/Sources/OpenSwiftUI/View/Control/Link/LinkDestination.swift
similarity index 100%
rename from Sources/OpenSwiftUI/View/Control/Link/internal/LinkDestination.swift
rename to Sources/OpenSwiftUI/View/Control/Link/LinkDestination.swift