diff --git a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryComponentView.mm b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryComponentView.mm
index f78c2797f0ef7c..78d78b4d9731dc 100644
--- a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryComponentView.mm
@@ -20,18 +20,18 @@
 
 using namespace facebook::react;
 
-static UIView<RCTBackedTextInputViewProtocol> *_Nullable RCTFindTextInputWithNativeId(UIView *view, NSString *nativeId)
+static RCTUIView<RCTBackedTextInputViewProtocol> *_Nullable RCTFindTextInputWithNativeId(RCTUIView *view, NSString *nativeId) // TODO(macOS GH#774)
 {
   if ([view respondsToSelector:@selector(inputAccessoryViewID)] &&
       [view respondsToSelector:@selector(setInputAccessoryView:)]) {
-    UIView<RCTBackedTextInputViewProtocol> *typed = (UIView<RCTBackedTextInputViewProtocol> *)view;
+    RCTUIView<RCTBackedTextInputViewProtocol> *typed = (RCTUIView<RCTBackedTextInputViewProtocol> *)view; // TODO(macOS GH#774)
     if (!nativeId || [typed.inputAccessoryViewID isEqualToString:nativeId]) {
       return typed;
     }
   }
 
-  for (UIView *subview in view.subviews) {
-    UIView<RCTBackedTextInputViewProtocol> *result = RCTFindTextInputWithNativeId(subview, nativeId);
+  for (RCTUIView *subview in view.subviews) { // TODO(macOS GH#774)
+    RCTUIView<RCTBackedTextInputViewProtocol> *result = RCTFindTextInputWithNativeId(subview, nativeId); // TODO(macOS GH#774)
     if (result) {
       return result;
     }
@@ -44,7 +44,7 @@ @implementation RCTInputAccessoryComponentView {
   InputAccessoryShadowNode::ConcreteState::Shared _state;
   RCTInputAccessoryContentView *_contentView;
   RCTSurfaceTouchHandler *_touchHandler;
-  UIView<RCTBackedTextInputViewProtocol> __weak *_textInput;
+  RCTUIView<RCTBackedTextInputViewProtocol> __weak *_textInput; // TODO(macOS GH#774)
 }
 
 - (instancetype)initWithFrame:(CGRect)frame
@@ -83,7 +83,7 @@ - (BOOL)canBecomeFirstResponder
   return true;
 }
 
-- (UIView *)inputAccessoryView
+- (RCTUIView *)inputAccessoryView // TODO(macOS GH#774)
 {
   return _contentView;
 }
@@ -95,12 +95,12 @@ + (ComponentDescriptorProvider)componentDescriptorProvider
   return concreteComponentDescriptorProvider<InputAccessoryComponentDescriptor>();
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [_contentView insertSubview:childComponentView atIndex:index];
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [childComponentView removeFromSuperview];
 }
diff --git a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.h b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.h
index 554614a47f8e9e..56d776887957bd 100644
--- a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.h
+++ b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.h
@@ -7,6 +7,6 @@
 
 #import <React/RCTUIKit.h> // TODO(macOS GH#774)
 
-@interface RCTInputAccessoryContentView : UIView
+@interface RCTInputAccessoryContentView : RCTUIView // TODO(macOS GH#774)
 
 @end
diff --git a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
index 09de0401910031..f24f61be44e84d 100644
--- a/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/InputAccessory/RCTInputAccessoryContentView.mm
@@ -8,7 +8,7 @@
 #import "RCTInputAccessoryContentView.h"
 
 @implementation RCTInputAccessoryContentView {
-  UIView *_safeAreaContainer;
+  RCTUIView *_safeAreaContainer; // TODO(macOS GH#774)
   NSLayoutConstraint *_heightConstraint;
 }
 
@@ -17,7 +17,7 @@ - (instancetype)init
   if (self = [super init]) {
     self.autoresizingMask = UIViewAutoresizingFlexibleHeight;
 
-    _safeAreaContainer = [UIView new];
+    _safeAreaContainer = [RCTUIView new]; // TODO(macOS GH#774)
     _safeAreaContainer.translatesAutoresizingMaskIntoConstraints = NO;
     [self addSubview:_safeAreaContainer];
 
@@ -40,7 +40,7 @@ - (CGSize)intrinsicContentSize
   return CGSizeZero;
 }
 
-- (void)insertSubview:(UIView *)view atIndex:(NSInteger)index
+- (void)insertSubview:(RCTUIView *)view atIndex:(NSInteger)index // TODO(macOS GH#774)
 {
   [_safeAreaContainer insertSubview:view atIndex:index];
 }
diff --git a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropComponentView.mm b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropComponentView.mm
index 5324963ea01a42..3bc381b6cfed05 100644
--- a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropComponentView.mm
@@ -22,7 +22,7 @@
 
 @implementation RCTLegacyViewManagerInteropComponentView {
   NSMutableArray<NSDictionary *> *_viewsToBeMounted;
-  NSMutableArray<UIView *> *_viewsToBeUnmounted;
+  NSMutableArray<RCTUIView *> *_viewsToBeUnmounted; // TODO(macOS GH#774)
   RCTLegacyViewManagerInteropCoordinatorAdapter *_adapter;
   LegacyViewManagerInteropShadowNode::ConcreteState::Shared _state;
   BOOL _hasInvokedForwardingWarning;
@@ -41,9 +41,9 @@ - (instancetype)initWithFrame:(CGRect)frame
   return self;
 }
 
-- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
+- (RCTUIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event // TODO(macOS GH#774)
 {
-  UIView *result = [super hitTest:point withEvent:event];
+  RCTUIView *result = [super hitTest:point withEvent:event]; // TODO(macOS GH#774)
 
   if (result == _adapter.paperView) {
     return self;
@@ -149,7 +149,7 @@ - (void)prepareForRecycle
   [super prepareForRecycle];
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [_viewsToBeMounted addObject:@{
     kRCTLegacyInteropChildIndexKey : [NSNumber numberWithInteger:index],
@@ -157,7 +157,7 @@ - (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompone
   }];
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   if (_adapter) {
     [_adapter.paperView removeReactSubview:childComponentView];
@@ -208,7 +208,7 @@ - (void)finalizeUpdates:(RNComponentViewUpdateMask)updateMask
 
   [_viewsToBeMounted removeAllObjects];
 
-  for (UIView *view in _viewsToBeUnmounted) {
+  for (RCTUIView *view in _viewsToBeUnmounted) { // TODO(macOS GH#774)
     [_adapter.paperView removeReactSubview:view];
   }
 
diff --git a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.h b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.h
index 6fb76564eb510d..fa5a263e1870cb 100644
--- a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.h
+++ b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.h
@@ -14,7 +14,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (instancetype)initWithCoordinator:(RCTLegacyViewManagerInteropCoordinator *)coordinator reactTag:(NSInteger)tag;
 
-@property (strong, nonatomic) UIView *paperView;
+@property (strong, nonatomic) RCTUIView *paperView; // TODO(macOS GH#774)
 
 @property (nonatomic, copy, nullable) void (^eventInterceptor)(std::string eventName, folly::dynamic event);
 
diff --git a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.mm b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.mm
index 1a9611ea5ebacb..22d151d9e8b8a1 100644
--- a/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.mm
+++ b/React/Fabric/Mounting/ComponentViews/LegacyViewManagerInterop/RCTLegacyViewManagerInteropCoordinatorAdapter.mm
@@ -28,7 +28,7 @@ - (void)dealloc
   [_coordinator removeObserveForTag:_tag];
 }
 
-- (UIView *)paperView
+- (RCTUIView *)paperView // TODO(macOS GH#774)
 {
   if (!_paperView) {
     _paperView = [_coordinator createPaperViewWithTag:_tag];
diff --git a/React/Fabric/Mounting/ComponentViews/Modal/RCTModalHostViewComponentView.mm b/React/Fabric/Mounting/ComponentViews/Modal/RCTModalHostViewComponentView.mm
index 28c4bd227b7cc9..67cd49b2e0e152 100644
--- a/React/Fabric/Mounting/ComponentViews/Modal/RCTModalHostViewComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/Modal/RCTModalHostViewComponentView.mm
@@ -104,7 +104,7 @@ @implementation RCTModalHostViewComponentView {
   BOOL _shouldAnimatePresentation;
   BOOL _shouldPresent;
   BOOL _isPresented;
-  UIView *_modalContentsSnapshot;
+  RCTUIView *_modalContentsSnapshot; // TODO(macOS GH#774)
 }
 
 - (instancetype)initWithFrame:(CGRect)frame
@@ -165,7 +165,7 @@ - (void)ensurePresentedOnlyIfNeeded
     _isPresented = NO;
     // To animate dismissal of view controller, snapshot of
     // view hierarchy needs to be added to the UIViewController.
-    UIView *snapshot = _modalContentsSnapshot;
+    RCTUIView *snapshot = _modalContentsSnapshot; // TODO(macOS GH#774)
     [self.viewController.view addSubview:snapshot];
 
     [self dismissViewController:self.viewController
@@ -269,12 +269,12 @@ - (void)updateState:(facebook::react::State::Shared const &)state
   _state = std::static_pointer_cast<const ModalHostViewShadowNode::ConcreteState>(state);
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [self.viewController.view insertSubview:childComponentView atIndex:index];
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [childComponentView removeFromSuperview];
 }
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.h b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.h
index b09d1bc1faeb51..7bd19f69537162 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.h
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.h
@@ -19,7 +19,7 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @protocol RCTEnhancedScrollViewOverridingDelegate <NSObject>
 
-- (BOOL)touchesShouldCancelInContentView:(UIView *)view;
+- (BOOL)touchesShouldCancelInContentView:(RCTUIView *)view; // TODO(macOS GH#774)
 
 @end
 
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
index 5427e2bfbb7d02..02d5f4af0cd1f4 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTEnhancedScrollView.mm
@@ -88,7 +88,7 @@ - (void)setContentOffset:(CGPoint)contentOffset
       RCTSanitizeNaNValue(contentOffset.y, @"scrollView.contentOffset.y"));
 }
 
-- (BOOL)touchesShouldCancelInContentView:(UIView *)view
+- (BOOL)touchesShouldCancelInContentView:(RCTUIView *)view // TODO(macOS GH#774)
 {
   if ([_overridingDelegate respondsToSelector:@selector(touchesShouldCancelInContentView:)]) {
     return [_overridingDelegate touchesShouldCancelInContentView:view];
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.h b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.h
index 5dbb7aed5bf3df..33651572822461 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.h
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.h
@@ -28,7 +28,7 @@ NS_ASSUME_NONNULL_BEGIN
 /*
  * Finds and returns the closet RCTScrollViewComponentView component to the given view
  */
-+ (nullable RCTScrollViewComponentView *)findScrollViewComponentViewForView:(UIView *)view;
++ (nullable RCTScrollViewComponentView *)findScrollViewComponentViewForView:(RCTUIView *)view; // TODO(macOS GH#774)
 
 /*
  * Returns an actual UIScrollView that this component uses under the hood.
@@ -40,7 +40,7 @@ NS_ASSUME_NONNULL_BEGIN
  * separate component views from auxiliary views to be able to reliably implement pull-to-refresh- and RTL-related
  * functionality.
  */
-@property (nonatomic, strong, readonly) UIView *containerView;
+@property (nonatomic, strong, readonly) RCTUIView *containerView; // TODO(macOS GH#774)
 
 /*
  * Returns a delegate splitter that can be used to subscribe for UIScrollView delegate.
diff --git a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
index da4bda87e93e55..4c28bbef2c9cbb 100644
--- a/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/ScrollView/RCTScrollViewComponentView.mm
@@ -102,7 +102,7 @@ @implementation RCTScrollViewComponentView {
   CGPoint _contentOffsetWhenClipped;
 }
 
-+ (RCTScrollViewComponentView *_Nullable)findScrollViewComponentViewForView:(UIView *)view
++ (RCTScrollViewComponentView *_Nullable)findScrollViewComponentViewForView:(RCTUIView *)view // TODO(macOS GH#774)
 {
   do {
     view = view.superview;
@@ -124,7 +124,7 @@ - (instancetype)initWithFrame:(CGRect)frame
     _shouldUpdateContentInsetAdjustmentBehavior = YES;
     [self addSubview:_scrollView];
 
-    _containerView = [[UIView alloc] initWithFrame:CGRectZero];
+    _containerView = [[RCTUIView alloc] initWithFrame:CGRectZero]; // TODO(macOS GH#774)
     [_scrollView addSubview:_containerView];
 
     [self.scrollViewDelegateSplitter addDelegate:self];
@@ -334,12 +334,12 @@ - (void)_preserveContentOffsetIfNeededWithBlock:(void (^)())block
   [((RCTEnhancedScrollView *)_scrollView) preserveContentOffsetWithBlock:block];
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [_containerView insertSubview:childComponentView atIndex:index];
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   [childComponentView removeFromSuperview];
 }
@@ -350,11 +350,11 @@ - (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompo
  */
 - (BOOL)_shouldDisableScrollInteraction
 {
-  UIView *ancestorView = self.superview;
+  RCTUIView *ancestorView = self.superview;  // TODO(macOS GH#774)
 
   while (ancestorView) {
     if ([ancestorView respondsToSelector:@selector(isJSResponder)]) {
-      BOOL isJSResponder = ((UIView<RCTComponentViewProtocol> *)ancestorView).isJSResponder;
+      BOOL isJSResponder = ((RCTUIView<RCTComponentViewProtocol> *)ancestorView).isJSResponder; // TODO(macOS GH#774)
       if (isJSResponder) {
         return YES;
       }
@@ -409,7 +409,7 @@ - (void)prepareForRecycle
 
 #pragma mark - UIScrollViewDelegate
 
-- (BOOL)touchesShouldCancelInContentView:(__unused UIView *)view
+- (BOOL)touchesShouldCancelInContentView:(__unused RCTUIView *)view // TODO(macOS GH#774)
 {
   // Historically, `UIScrollView`s in React Native do not cancel touches
   // started on `UIControl`-based views (as normal iOS `UIScrollView`s do).
@@ -519,7 +519,7 @@ - (void)_handleFinishedScrolling:(RCTUIScrollView *)scrollView // TODO(macOS GH#
   [self _updateStateWithContentOffset];
 }
 
-- (void)scrollViewWillBeginZooming:(RCTUIScrollView *)scrollView withView:(nullable UIView *)view // TODO(macOS GH#774)
+- (void)scrollViewWillBeginZooming:(RCTUIScrollView *)scrollView withView:(nullable RCTUIView *)view // TODO(macOS GH#774)
 {
   [self _forceDispatchNextScrollEvent];
 
@@ -530,7 +530,7 @@ - (void)scrollViewWillBeginZooming:(RCTUIScrollView *)scrollView withView:(nulla
   std::static_pointer_cast<ScrollViewEventEmitter const>(_eventEmitter)->onScrollBeginDrag([self _scrollViewMetrics]);
 }
 
-- (void)scrollViewDidEndZooming:(RCTUIScrollView *)scrollView withView:(nullable UIView *)view atScale:(CGFloat)scale // TODO(macOS GH#774)
+- (void)scrollViewDidEndZooming:(RCTUIScrollView *)scrollView withView:(nullable RCTUIView *)view atScale:(CGFloat)scale // TODO(macOS GH#774)
 {
   [self _forceDispatchNextScrollEvent];
 
@@ -542,7 +542,7 @@ - (void)scrollViewDidEndZooming:(RCTUIScrollView *)scrollView withView:(nullable
   [self _updateStateWithContentOffset];
 }
 
-- (UIView *)viewForZoomingInScrollView:(__unused RCTUIScrollView *)scrollView // TODO(macOS GH#774)
+- (RCTUIView *)viewForZoomingInScrollView:(__unused RCTUIScrollView *)scrollView // TODO(macOS GH#774)
 {
   return _containerView;
 }
@@ -610,7 +610,7 @@ - (void)scrollToEnd:(BOOL)animated
 
 #pragma mark - Child views mounting
 
-- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(UIView *)clipView
+- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(RCTUIView *)clipView // TODO(macOS GH#774)
 {
   // Do nothing. ScrollView manages its subview clipping individually in `_remountChildren`.
 }
diff --git a/React/Fabric/Mounting/ComponentViews/Text/RCTAccessibilityElement.mm b/React/Fabric/Mounting/ComponentViews/Text/RCTAccessibilityElement.mm
index 7ce44a3f1741cf..60299e885afa69 100644
--- a/React/Fabric/Mounting/ComponentViews/Text/RCTAccessibilityElement.mm
+++ b/React/Fabric/Mounting/ComponentViews/Text/RCTAccessibilityElement.mm
@@ -11,7 +11,7 @@ @implementation RCTAccessibilityElement
 
 - (CGRect)accessibilityFrame
 {
-  UIView *container = (UIView *)self.accessibilityContainer;
+  RCTUIView *container = (RCTUIView *)self.accessibilityContainer; // TODO(macOS GH#774)
   if (CGRectEqualToRect(_frame, CGRectZero)) {
     return UIAccessibilityConvertFrameToScreenCoordinates(container.bounds, container);
   } else {
diff --git a/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.h b/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.h
index 5187981b4f806d..489020c4b12117 100644
--- a/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.h
+++ b/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.h
@@ -19,7 +19,7 @@
                  layoutManager:(RCTTextLayoutManager *)layoutManager
            paragraphAttributes:(facebook::react::ParagraphAttributes)paragraphAttributes
                          frame:(CGRect)frame
-                          view:(UIView *)view;
+                          view:(RCTUIView *)view; // TODO(macOS GH#774)
 
 /*
  * Returns an array of `UIAccessibilityElement`s to be used for `UIAccessibilityContainer` implementation.
diff --git a/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.mm b/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.mm
index 13723e178bc6e8..dd369b3520d1c9 100644
--- a/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.mm
+++ b/React/Fabric/Mounting/ComponentViews/Text/RCTParagraphComponentAccessibilityProvider.mm
@@ -26,14 +26,14 @@ @implementation RCTParagraphComponentAccessibilityProvider {
   RCTTextLayoutManager *_layoutManager;
   ParagraphAttributes _paragraphAttributes;
   CGRect _frame;
-  __weak UIView *_view;
+  __weak RCTUIView *_view; // TODO(macOS GH#774)
 }
 
 - (instancetype)initWithString:(facebook::react::AttributedString)attributedString
                  layoutManager:(RCTTextLayoutManager *)layoutManager
            paragraphAttributes:(ParagraphAttributes)paragraphAttributes
                          frame:(CGRect)frame
-                          view:(UIView *)view
+                          view:(RCTUIView *)view // TODO(macOS GH#774)
 {
   if (self = [super init]) {
     _attributedString = attributedString;
diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
index 658ea391a134be..9a623ca3a10b5d 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
@@ -30,7 +30,7 @@ @interface RCTTextInputComponentView () <RCTBackedTextInputDelegate, RCTTextInpu
 
 @implementation RCTTextInputComponentView {
   TextInputShadowNode::ConcreteState::Shared _state;
-  UIView<RCTBackedTextInputViewProtocol> *_backedTextInputView;
+  RCTUIView<RCTBackedTextInputViewProtocol> *_backedTextInputView; // TODO(macOS GH#774)
   NSUInteger _mostRecentEventCount;
   NSAttributedString *_lastStringStateWasUpdatedWith;
 
@@ -603,7 +603,7 @@ - (void)_setAttributedString:(NSAttributedString *)attributedString
 - (void)_setMultiline:(BOOL)multiline
 {
   [_backedTextInputView removeFromSuperview];
-  UIView<RCTBackedTextInputViewProtocol> *backedTextInputView = multiline ? [RCTUITextView new] : [RCTUITextField new];
+  RCTUIView<RCTBackedTextInputViewProtocol> *backedTextInputView = multiline ? [RCTUITextView new] : [RCTUITextField new]; // TODO(macOS GH#774)
   backedTextInputView.frame = _backedTextInputView.frame;
   RCTCopyBackedTextInput(_backedTextInputView, backedTextInputView);
   _backedTextInputView = backedTextInputView;
diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.h b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.h
index 1d170c50bc50f6..2d62c452a72476 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.h
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.h
@@ -15,8 +15,8 @@
 NS_ASSUME_NONNULL_BEGIN
 
 void RCTCopyBackedTextInput(
-    UIView<RCTBackedTextInputViewProtocol> *fromTextInput,
-    UIView<RCTBackedTextInputViewProtocol> *toTextInput);
+    RCTUIView<RCTBackedTextInputViewProtocol> *fromTextInput,
+    RCTUIView<RCTBackedTextInputViewProtocol> *toTextInput); // TODO(macOS GH#774)
 
 UITextAutocorrectionType RCTUITextAutocorrectionTypeFromOptionalBool(std::optional<bool> autoCorrect);
 
diff --git a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
index 99f46819af9d09..b91311e271b2da 100644
--- a/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
+++ b/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputUtils.mm
@@ -19,8 +19,8 @@
 }
 
 void RCTCopyBackedTextInput(
-    UIView<RCTBackedTextInputViewProtocol> *fromTextInput,
-    UIView<RCTBackedTextInputViewProtocol> *toTextInput)
+    RCTUIView<RCTBackedTextInputViewProtocol> *fromTextInput,
+    RCTUIView<RCTBackedTextInputViewProtocol> *toTextInput) // TODO(macOS GH#774)
 {
   toTextInput.attributedText = RCTSanitizeAttributedString(fromTextInput.attributedText);
   toTextInput.placeholder = fromTextInput.placeholder;
diff --git a/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.h b/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.h
index e984a091ca1228..bd14b1b4048428 100644
--- a/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.h
+++ b/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.h
@@ -22,12 +22,12 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * UIView class for <View> component.
  */
-@interface RCTViewComponentView : UIView <RCTComponentViewProtocol, RCTTouchableComponentViewProtocol> {
+@interface RCTViewComponentView : RCTUIView <RCTComponentViewProtocol, RCTTouchableComponentViewProtocol> {
  @protected
   facebook::react::LayoutMetrics _layoutMetrics;
   facebook::react::SharedViewProps _props;
   facebook::react::SharedViewEventEmitter _eventEmitter;
-}
+} // TODO(macOS GH#774)
 
 /**
  * Represents the `UIView` instance that is being automatically attached to
@@ -37,7 +37,7 @@ NS_ASSUME_NONNULL_BEGIN
  * to embed/bridge pure native views as component views.
  * Defaults to `nil`. Assign `nil` to remove view as subview.
  */
-@property (nonatomic, strong, nullable) UIView *contentView;
+@property (nonatomic, strong, nullable) RCTUIView *contentView; // TODO(macOS GH#774)
 
 /**
  * Provides access to `nativeId` prop of the component.
diff --git a/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm b/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm
index 924b774b93d430..582a7cca00d54d 100644
--- a/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm
+++ b/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm
@@ -26,7 +26,7 @@ @implementation RCTViewComponentView {
   BOOL _needsInvalidateLayer;
   BOOL _isJSResponder;
   BOOL _removeClippedSubviews;
-  NSMutableArray<UIView *> *_reactSubviews;
+  NSMutableArray<RCTUIView *> *_reactSubviews; // TODO(macOS GH#774)
   NSSet<NSString *> *_Nullable _propKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN;
 }
 
@@ -48,7 +48,7 @@ - (instancetype)initWithFrame:(CGRect)frame
   return _props;
 }
 
-- (void)setContentView:(UIView *)contentView
+- (void)setContentView:(RCTUIView *)contentView // TODO(macOS GH#774)
 {
   if (_contentView) {
     [_contentView removeFromSuperview];
@@ -92,7 +92,7 @@ + (ComponentDescriptorProvider)componentDescriptorProvider
   return concreteComponentDescriptorProvider<ViewComponentDescriptor>();
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   RCTAssert(
       childComponentView.superview == nil,
@@ -109,7 +109,7 @@ - (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompone
   }
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   if (_removeClippedSubviews) {
     [_reactSubviews removeObjectAtIndex:index];
@@ -133,7 +133,7 @@ - (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompo
   [childComponentView removeFromSuperview];
 }
 
-- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(UIView *)clipView
+- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(RCTUIView *)clipView // TODO(macOS GH#774)
 {
   if (!_removeClippedSubviews) {
     // Use default behavior if unmounting is disabled
@@ -154,7 +154,7 @@ - (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(UIVie
   clipRect = [clipView convertRect:clipRect toView:self];
 
   // Mount / unmount views
-  for (UIView *view in _reactSubviews) {
+  for (RCTUIView *view in _reactSubviews) { // TODO(macOS GH#774)
     if (CGRectIntersectsRect(clipRect, view.frame)) {
       // View is at least partially visible, so remount it if unmounted
       [self addSubview:view];
@@ -438,7 +438,7 @@ - (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(NSSet<NSString *
   return _propKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN;
 }
 
-- (UIView *)betterHitTest:(CGPoint)point withEvent:(UIEvent *)event
+- (RCTUIView *)betterHitTest:(CGPoint)point withEvent:(UIEvent *)event // TODO(macOS GH#774)
 {
   // This is a classic textbook implementation of `hitTest:` with a couple of improvements:
   //   * It does not stop algorithm if some touch is outside the view
@@ -460,8 +460,8 @@ - (UIView *)betterHitTest:(CGPoint)point withEvent:(UIEvent *)event
     return nil;
   }
 
-  for (UIView *subview in [self.subviews reverseObjectEnumerator]) {
-    UIView *hitView = [subview hitTest:[subview convertPoint:point fromView:self] withEvent:event];
+  for (RCTUIView *subview in [self.subviews reverseObjectEnumerator]) { // TODO(macOS GH#774)
+    RCTUIView *hitView = [subview hitTest:[subview convertPoint:point fromView:self] withEvent:event]; // TODO(macOS GH#774)
     if (hitView) {
       return hitView;
     }
@@ -470,7 +470,7 @@ - (UIView *)betterHitTest:(CGPoint)point withEvent:(UIEvent *)event
   return isPointInside ? self : nil;
 }
 
-- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
+- (RCTUIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event // TODO(macOS GH#774)
 {
   switch (_props->pointerEvents) {
     case PointerEventsMode::Auto:
@@ -480,7 +480,7 @@ - (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
     case PointerEventsMode::BoxOnly:
       return [self pointInside:point withEvent:event] ? self : nil;
     case PointerEventsMode::BoxNone:
-      UIView *view = [self betterHitTest:point withEvent:event];
+      RCTUIView *view = [self betterHitTest:point withEvent:event]; // TODO(macOS GH#774)
       return view != self ? view : nil;
   }
 }
@@ -662,10 +662,10 @@ - (NSObject *)accessibilityElement
   return self;
 }
 
-static NSString *RCTRecursiveAccessibilityLabel(UIView *view)
+static NSString *RCTRecursiveAccessibilityLabel(RCTUIView *view) // TODO(macOS GH#774)
 {
   NSMutableString *result = [NSMutableString stringWithString:@""];
-  for (UIView *subview in view.subviews) {
+  for (RCTUIView *subview in view.subviews) { // TODO(macOS GH#774)
     NSString *label = subview.accessibilityLabel;
     if (!label) {
       label = RCTRecursiveAccessibilityLabel(subview);
diff --git a/React/Fabric/Mounting/RCTComponentViewDescriptor.h b/React/Fabric/Mounting/RCTComponentViewDescriptor.h
index 753fb399f70ae0..703b3b34a9d931 100644
--- a/React/Fabric/Mounting/RCTComponentViewDescriptor.h
+++ b/React/Fabric/Mounting/RCTComponentViewDescriptor.h
@@ -21,7 +21,7 @@ class RCTComponentViewDescriptor final {
   /*
    * Associated (and owned) native view instance.
    */
-  __strong UIView<RCTComponentViewProtocol> *view = nil;
+  __strong RCTUIView<RCTComponentViewProtocol> *view = nil; // TODO(macOS GH#774)
 
   /*
    * Indicates a requirement to call on the view methods from
diff --git a/React/Fabric/Mounting/RCTComponentViewProtocol.h b/React/Fabric/Mounting/RCTComponentViewProtocol.h
index 6f0f98fa14062b..7ef2e065642e50 100644
--- a/React/Fabric/Mounting/RCTComponentViewProtocol.h
+++ b/React/Fabric/Mounting/RCTComponentViewProtocol.h
@@ -54,14 +54,14 @@ typedef NS_OPTIONS(NSInteger, RNComponentViewUpdateMask) {
  * component view.
  * Receiver must add `childComponentView` as a subview.
  */
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index; // TODO(macOS GH#774)
 
 /*
  * Called for unmounting (detaching) a child component view from `self`
  * component view.
  * Receiver must remove `childComponentView` as a subview.
  */
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index; // TODO(macOS GH#774)
 
 /*
  * Called for updating component's props.
diff --git a/React/Fabric/Mounting/RCTComponentViewRegistry.h b/React/Fabric/Mounting/RCTComponentViewRegistry.h
index 31acca6a2069f6..8cde9198889a05 100644
--- a/React/Fabric/Mounting/RCTComponentViewRegistry.h
+++ b/React/Fabric/Mounting/RCTComponentViewRegistry.h
@@ -48,7 +48,7 @@ NS_ASSUME_NONNULL_BEGIN
  * Finds a native component view by given `tag`.
  * Returns `nil` if there is no registered component with the `tag`.
  */
-- (nullable UIView<RCTComponentViewProtocol> *)findComponentViewWithTag:(facebook::react::Tag)tag;
+- (nullable RCTUIView<RCTComponentViewProtocol> *)findComponentViewWithTag:(facebook::react::Tag)tag; // TODO(macOS GH#774)
 
 /**
  * Creates a component view with a given type and puts it to the recycle pool.
diff --git a/React/Fabric/Mounting/RCTComponentViewRegistry.mm b/React/Fabric/Mounting/RCTComponentViewRegistry.mm
index afd8024939f74a..4c9445376fea49 100644
--- a/React/Fabric/Mounting/RCTComponentViewRegistry.mm
+++ b/React/Fabric/Mounting/RCTComponentViewRegistry.mm
@@ -116,7 +116,7 @@ - (void)optimisticallyCreateComponentViewWithComponentHandle:(ComponentHandle)co
   return iterator->second;
 }
 
-- (nullable UIView<RCTComponentViewProtocol> *)findComponentViewWithTag:(Tag)tag
+- (nullable RCTUIView<RCTComponentViewProtocol> *)findComponentViewWithTag:(Tag)tag // TODO(macOS GH#774)
 {
   RCTAssertMainQueue();
   auto iterator = _registry.find(tag);
diff --git a/React/Fabric/Mounting/RCTMountingManager.h b/React/Fabric/Mounting/RCTMountingManager.h
index 235ac0539a8e6e..7f2fd10d3e06c0 100644
--- a/React/Fabric/Mounting/RCTMountingManager.h
+++ b/React/Fabric/Mounting/RCTMountingManager.h
@@ -36,12 +36,12 @@ NS_ASSUME_NONNULL_BEGIN
  * influence the intrinsic size of the view and cannot be measured using UIView/UIKit layout API.
  * Must be called on the main thead.
  */
-- (void)attachSurfaceToView:(UIView *)view surfaceId:(facebook::react::SurfaceId)surfaceId;
+- (void)attachSurfaceToView:(RCTUIView *)view surfaceId:(facebook::react::SurfaceId)surfaceId; // TODO(macOS GH#774)
 
 /**
  * Stops designating the view as a rendering viewport of a React Native surface.
  */
-- (void)detachSurfaceFromView:(UIView *)view surfaceId:(facebook::react::SurfaceId)surfaceId;
+- (void)detachSurfaceFromView:(RCTUIView *)view surfaceId:(facebook::react::SurfaceId)surfaceId; // TODO(macOS GH#774)
 
 /**
  * Schedule a mounting transaction to be performed on the main thread.
diff --git a/React/Fabric/Mounting/RCTMountingManager.mm b/React/Fabric/Mounting/RCTMountingManager.mm
index 66ff0d50fdf2c9..d58d9f6fd09a04 100644
--- a/React/Fabric/Mounting/RCTMountingManager.mm
+++ b/React/Fabric/Mounting/RCTMountingManager.mm
@@ -29,7 +29,7 @@
 
 using namespace facebook::react;
 
-static SurfaceId RCTSurfaceIdForView(UIView *view)
+static SurfaceId RCTSurfaceIdForView(RCTUIView *view) // TODO(macOS GH#774)
 {
   do {
     if (RCTIsReactRootView(@(view.tag))) {
@@ -81,7 +81,7 @@ static void RCTPerformMountInstructions(
         auto &newChildViewDescriptor = [registry componentViewDescriptorWithTag:newChildShadowView.tag];
         auto &parentViewDescriptor = [registry componentViewDescriptorWithTag:parentShadowView.tag];
 
-        UIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view;
+        RCTUIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view; // TODO(macOS GH#774)
 
         RCTAssert(newChildShadowView.props, @"`newChildShadowView.props` must not be null.");
 
@@ -109,7 +109,7 @@ static void RCTPerformMountInstructions(
         auto &oldChildShadowView = mutation.oldChildShadowView;
         auto &newChildShadowView = mutation.newChildShadowView;
         auto &newChildViewDescriptor = [registry componentViewDescriptorWithTag:newChildShadowView.tag];
-        UIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view;
+        RCTUIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view; // TODO(macOS GH#774)
 
         auto mask = RNComponentViewUpdateMask{};
 
@@ -168,7 +168,7 @@ - (void)setContextContainer:(ContextContainer::Shared)contextContainer
   _contextContainer = contextContainer;
 }
 
-- (void)attachSurfaceToView:(UIView *)view surfaceId:(SurfaceId)surfaceId
+- (void)attachSurfaceToView:(RCTUIView *)view surfaceId:(SurfaceId)surfaceId // TODO(macOS GH#774)
 {
   RCTAssertMainQueue();
 
@@ -179,7 +179,7 @@ - (void)attachSurfaceToView:(UIView *)view surfaceId:(SurfaceId)surfaceId
   [view addSubview:rootViewDescriptor.view];
 }
 
-- (void)detachSurfaceFromView:(UIView *)view surfaceId:(SurfaceId)surfaceId
+- (void)detachSurfaceFromView:(RCTUIView *)view surfaceId:(SurfaceId)surfaceId // TODO(macOS GH#774)
 {
   RCTAssertMainQueue();
   RCTComponentViewDescriptor rootViewDescriptor = [_componentViewRegistry componentViewDescriptorWithTag:surfaceId];
@@ -287,7 +287,8 @@ - (void)setIsJSResponder:(BOOL)isJSResponder
 {
   ReactTag reactTag = shadowView.tag;
   RCTExecuteOnMainQueue(^{
-    UIView<RCTComponentViewProtocol> *componentView = [self->_componentViewRegistry findComponentViewWithTag:reactTag];
+    RCTUIView<RCTComponentViewProtocol> *componentView =
+        [self->_componentViewRegistry findComponentViewWithTag:reactTag]; // TODO(macOS GH#774)
     [componentView setIsJSResponder:isJSResponder];
   });
 }
@@ -297,7 +298,7 @@ - (void)synchronouslyUpdateViewOnUIThread:(ReactTag)reactTag
                       componentDescriptor:(const ComponentDescriptor &)componentDescriptor
 {
   RCTAssertMainQueue();
-  UIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag];
+  RCTUIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag]; // TODO(macOS GH#774)
   SurfaceId surfaceId = RCTSurfaceIdForView(componentView);
   Props::Shared oldProps = [componentView props];
   Props::Shared newProps = componentDescriptor.cloneProps(
@@ -331,14 +332,14 @@ - (void)synchronouslyDispatchCommandOnUIThread:(ReactTag)reactTag
                                           args:(NSArray *)args
 {
   RCTAssertMainQueue();
-  UIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag];
+  RCTUIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag]; // TODO(macOS GH#774)
   [componentView handleCommand:commandName args:args];
 }
 
 - (void)synchronouslyDispatchAccessbilityEventOnUIThread:(ReactTag)reactTag eventType:(NSString *)eventType
 {
   if ([@"focus" isEqualToString:eventType]) {
-    UIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag];
+    RCTUIView<RCTComponentViewProtocol> *componentView = [_componentViewRegistry findComponentViewWithTag:reactTag]; // TODO(macOS GH#774)
     UIAccessibilityPostNotification(UIAccessibilityLayoutChangedNotification, componentView);
   }
 }
diff --git a/React/Fabric/Mounting/UIView+ComponentViewProtocol.h b/React/Fabric/Mounting/UIView+ComponentViewProtocol.h
index a17eb8a6db6f7e..bb8a122c4dbae9 100644
--- a/React/Fabric/Mounting/UIView+ComponentViewProtocol.h
+++ b/React/Fabric/Mounting/UIView+ComponentViewProtocol.h
@@ -14,13 +14,13 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * Default implementation of RCTComponentViewProtocol.
  */
-@interface UIView (ComponentViewProtocol) <RCTComponentViewProtocol>
+@interface RCTUIView (ComponentViewProtocol) <RCTComponentViewProtocol> // TODO(macOS GH#774)
 
 + (std::vector<facebook::react::ComponentDescriptorProvider>)supplementalComponentDescriptorProviders;
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index; // TODO(macOS GH#774)
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index;
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index; // TODO(macOS GH#774)
 
 - (void)updateProps:(facebook::react::Props::Shared const &)props
            oldProps:(facebook::react::Props::Shared const &)oldProps;
@@ -44,7 +44,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(nullable NSSet<NSString *> *)props;
 - (nullable NSSet<NSString *> *)propKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN;
 
-- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(UIView *)clipView;
+- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(RCTUIView *)clipView; // TODO(macOS GH#774)
 
 @end
 
diff --git a/React/Fabric/Mounting/UIView+ComponentViewProtocol.mm b/React/Fabric/Mounting/UIView+ComponentViewProtocol.mm
index 4a4bd1eb5d556e..9068d9ec494f8e 100644
--- a/React/Fabric/Mounting/UIView+ComponentViewProtocol.mm
+++ b/React/Fabric/Mounting/UIView+ComponentViewProtocol.mm
@@ -15,7 +15,7 @@
 
 using namespace facebook::react;
 
-@implementation UIView (ComponentViewProtocol)
+@implementation RCTUIView (ComponentViewProtocol) // TODO(macOS GH#774)
 
 + (ComponentDescriptorProvider)componentDescriptorProvider
 {
@@ -28,7 +28,7 @@ + (ComponentDescriptorProvider)componentDescriptorProvider
   return {};
 }
 
-- (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)mountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   RCTAssert(
       childComponentView.superview == nil,
@@ -40,7 +40,7 @@ - (void)mountChildComponentView:(UIView<RCTComponentViewProtocol> *)childCompone
   [self insertSubview:childComponentView atIndex:index];
 }
 
-- (void)unmountChildComponentView:(UIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index
+- (void)unmountChildComponentView:(RCTUIView<RCTComponentViewProtocol> *)childComponentView index:(NSInteger)index // TODO(macOS GH#774)
 {
   RCTAssert(
       childComponentView.superview == self,
@@ -156,14 +156,14 @@ - (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(nullable NSSet<N
   return nil;
 }
 
-- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(UIView *)clipView
+- (void)updateClippedSubviewsWithClipRect:(CGRect)clipRect relativeToView:(RCTUIView *)clipView // TODO(macOS GH#774)
 {
   clipRect = [clipView convertRect:clipRect toView:self];
 
   // Normal views don't support unmounting, so all
   // this does is forward message to our subviews,
   // in case any of those do support it
-  for (UIView *subview in self.subviews) {
+  for (RCTUIView *subview in self.subviews) { // TODO(macOS GH#774)
     [subview updateClippedSubviewsWithClipRect:clipRect relativeToView:self];
   }
 }
diff --git a/React/Fabric/RCTSurfacePresenter.h b/React/Fabric/RCTSurfacePresenter.h
index cb4883fd619cbe..cc22dc07605f9a 100644
--- a/React/Fabric/RCTSurfacePresenter.h
+++ b/React/Fabric/RCTSurfacePresenter.h
@@ -78,7 +78,7 @@ NS_ASSUME_NONNULL_BEGIN
 /*
  * Please do not use this, this will be deleted soon.
  */
-- (nullable UIView *)findComponentViewWithTag_DO_NOT_USE_DEPRECATED:(NSInteger)tag;
+- (nullable RCTUIView *)findComponentViewWithTag_DO_NOT_USE_DEPRECATED:(NSInteger)tag; // TODO(macOS GH#774)
 
 @end
 
diff --git a/React/Fabric/RCTSurfacePresenter.mm b/React/Fabric/RCTSurfacePresenter.mm
index beae45d996a194..4ba0cf63f0d999 100644
--- a/React/Fabric/RCTSurfacePresenter.mm
+++ b/React/Fabric/RCTSurfacePresenter.mm
@@ -171,10 +171,10 @@ - (RCTFabricSurface *)surfaceForRootTag:(ReactTag)rootTag
                                           initialProperties:initialProperties];
 }
 
-- (UIView *)findComponentViewWithTag_DO_NOT_USE_DEPRECATED:(NSInteger)tag
+- (RCTUIView *)findComponentViewWithTag_DO_NOT_USE_DEPRECATED:(NSInteger)tag // TODO(macOS GH#774)
 {
-  UIView<RCTComponentViewProtocol> *componentView =
-      [_mountingManager.componentViewRegistry findComponentViewWithTag:tag];
+  RCTUIView<RCTComponentViewProtocol> *componentView =
+      [_mountingManager.componentViewRegistry findComponentViewWithTag:tag]; // TODO(macOS GH#774)
   return componentView;
 }
 
@@ -186,8 +186,8 @@ - (BOOL)synchronouslyUpdateViewOnUIThread:(NSNumber *)reactTag props:(NSDictiona
   }
 
   ReactTag tag = [reactTag integerValue];
-  UIView<RCTComponentViewProtocol> *componentView =
-      [_mountingManager.componentViewRegistry findComponentViewWithTag:tag];
+  RCTUIView<RCTComponentViewProtocol> *componentView =
+      [_mountingManager.componentViewRegistry findComponentViewWithTag:tag]; // TODO(macOS GH#774)
   if (componentView == nil) {
     return NO; // This view probably isn't managed by Fabric
   }
diff --git a/React/Fabric/RCTSurfaceTouchHandler.h b/React/Fabric/RCTSurfaceTouchHandler.h
index 8df850191b8e4a..8f8768357a8c63 100644
--- a/React/Fabric/RCTSurfaceTouchHandler.h
+++ b/React/Fabric/RCTSurfaceTouchHandler.h
@@ -15,8 +15,8 @@ NS_ASSUME_NONNULL_BEGIN
  * Attaches (and detaches) a view to the touch handler.
  * The receiver does not retain the provided view.
  */
-- (void)attachToView:(UIView *)view;
-- (void)detachFromView:(UIView *)view;
+- (void)attachToView:(RCTUIView *)view; // TODO(macOS GH#774)
+- (void)detachFromView:(RCTUIView *)view; // TODO(macOS GH#774)
 
 /*
  * Offset of the attached view relative to the root component in points.
diff --git a/React/Fabric/RCTSurfaceTouchHandler.mm b/React/Fabric/RCTSurfaceTouchHandler.mm
index 0faf668f488622..e16cfe0949acd1 100644
--- a/React/Fabric/RCTSurfaceTouchHandler.mm
+++ b/React/Fabric/RCTSurfaceTouchHandler.mm
@@ -60,7 +60,7 @@ typedef NS_ENUM(NSInteger, RCTTouchEventType) {
   /*
    * A component view on which the touch was begun.
    */
-  __strong UIView<RCTComponentViewProtocol> *componentView = nil;
+  __strong RCTUIView<RCTComponentViewProtocol> *componentView = nil; // TODO(macOS GH#774)
 
   struct Hasher {
     size_t operator()(const ActiveTouch &activeTouch) const
@@ -80,8 +80,8 @@ bool operator()(const ActiveTouch &lhs, const ActiveTouch &rhs) const
 static void UpdateActiveTouchWithUITouch(
     ActiveTouch &activeTouch,
     UITouch *uiTouch,
-    UIView *rootComponentView,
-    CGPoint rootViewOriginOffset)
+    RCTUIView *rootComponentView,
+    CGPoint rootViewOriginOffset) // TODO(macOS GH#774)
 {
   CGPoint offsetPoint = [uiTouch locationInView:activeTouch.componentView];
   CGPoint screenPoint = [uiTouch locationInView:uiTouch.window];
@@ -99,12 +99,12 @@ static void UpdateActiveTouchWithUITouch(
   }
 }
 
-static ActiveTouch CreateTouchWithUITouch(UITouch *uiTouch, UIView *rootComponentView, CGPoint rootViewOriginOffset)
+static ActiveTouch CreateTouchWithUITouch(UITouch *uiTouch, RCTUIView *rootComponentView, CGPoint rootViewOriginOffset) // TODO(macOS GH#774)
 {
   ActiveTouch activeTouch = {};
 
   // Find closest Fabric-managed touchable view
-  UIView *componentView = uiTouch.view;
+  RCTUIView *componentView = uiTouch.view; // TODO(macOS GH#774)
   while (componentView) {
     if ([componentView respondsToSelector:@selector(touchEventEmitterAtPoint:)]) {
       activeTouch.eventEmitter = [(id<RCTTouchableComponentViewProtocol>)componentView
@@ -164,7 +164,7 @@ @implementation RCTSurfaceTouchHandler {
   /*
    * We hold the view weakly to prevent a retain cycle.
    */
-  __weak UIView *_rootComponentView;
+  __weak RCTUIView *_rootComponentView; // TODO(macOS GH#774)
   IdentifierPool<11> _identifierPool;
 }
 
@@ -187,7 +187,7 @@ - (instancetype)init
 
 RCT_NOT_IMPLEMENTED(-(instancetype)initWithTarget : (id)target action : (SEL)action)
 
-- (void)attachToView:(UIView *)view
+- (void)attachToView:(RCTUIView *)view // TODO(macOS GH#774)
 {
   RCTAssert(self.view == nil, @"RCTTouchHandler already has attached view.");
 
@@ -195,7 +195,7 @@ - (void)attachToView:(UIView *)view
   _rootComponentView = view;
 }
 
-- (void)detachFromView:(UIView *)view
+- (void)detachFromView:(RCTUIView *)view // TODO(macOS GH#774)
 {
   RCTAssertParam(view);
   RCTAssert(self.view == view, @"RCTTouchHandler attached to another view.");
diff --git a/React/Views/RCTModalHostView.h b/React/Views/RCTModalHostView.h
index be36ac164f0e76..db78f2f1382d47 100644
--- a/React/Views/RCTModalHostView.h
+++ b/React/Views/RCTModalHostView.h
@@ -16,7 +16,7 @@
 
 @protocol RCTModalHostViewInteractor;
 
-@interface RCTModalHostView : UIView <RCTInvalidating, UIAdaptivePresentationControllerDelegate>
+@interface RCTModalHostView : RCTUIView <RCTInvalidating, UIAdaptivePresentationControllerDelegate> // TODO(macOS GH#774)
 
 @property (nonatomic, copy) NSString *animationType;
 @property (nonatomic, assign) UIModalPresentationStyle presentationStyle;
diff --git a/React/Views/RCTWeakViewHolder.h b/React/Views/RCTWeakViewHolder.h
index 5417f2e2e775ec..db0b489a1545c5 100644
--- a/React/Views/RCTWeakViewHolder.h
+++ b/React/Views/RCTWeakViewHolder.h
@@ -14,6 +14,6 @@
  */
 @protocol RCTWeakViewHolder
 
-@property (nonatomic, strong) NSMapTable<NSNumber *, UIView *> *weakViews;
+@property (nonatomic, strong) NSMapTable<NSNumber *, RCTUIView *> *weakViews; // TODO(macOS GH#774)
 
 @end
diff --git a/React/Views/RCTWrapperViewController.h b/React/Views/RCTWrapperViewController.h
index 97f4816c9550eb..5f8357eaa4934d 100644
--- a/React/Views/RCTWrapperViewController.h
+++ b/React/Views/RCTWrapperViewController.h
@@ -11,6 +11,6 @@
 
 @interface RCTWrapperViewController : UIViewController
 
-- (instancetype)initWithContentView:(UIView *)contentView NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithContentView:(RCTUIView *)contentView NS_DESIGNATED_INITIALIZER; // TODO(macOS GH#774)
 
 @end
diff --git a/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.h b/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.h
index 7dec6d6bc19a01..64b97c1889fdc6 100644
--- a/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.h
+++ b/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.h
@@ -20,13 +20,13 @@ typedef void (^InterceptorBlock)(std::string eventName, folly::dynamic event);
 
 - (instancetype)initWithComponentData:(RCTComponentData *)componentData bridge:(RCTBridge *)bridge;
 
-- (UIView *)createPaperViewWithTag:(NSInteger)tag;
+- (RCTUIView *)createPaperViewWithTag:(NSInteger)tag; // TODO(macOS GH#774)
 
 - (void)addObserveForTag:(NSInteger)tag usingBlock:(InterceptorBlock)block;
 
 - (void)removeObserveForTag:(NSInteger)tag;
 
-- (void)setProps:(folly::dynamic const &)props forView:(UIView *)view;
+- (void)setProps:(folly::dynamic const &)props forView:(RCTUIView *)view; // TODO(macOS GH#774)
 
 - (NSString *)componentViewName;
 
diff --git a/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.mm b/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.mm
index 0e21b7b1f218f1..cbbd0010dc1f2d 100644
--- a/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.mm
+++ b/ReactCommon/react/renderer/components/legacyviewmanagerinterop/RCTLegacyViewManagerInteropCoordinator.mm
@@ -71,9 +71,9 @@ - (void)removeObserveForTag:(NSInteger)tag
   [_eventInterceptors removeObjectForKey:[NSNumber numberWithInteger:tag]];
 }
 
-- (UIView *)createPaperViewWithTag:(NSInteger)tag;
+- (RCTUIView *)createPaperViewWithTag:(NSInteger)tag; // TODO(macOS GH#774)
 {
-  UIView *view = [_componentData createViewWithTag:[NSNumber numberWithInteger:tag] rootTag:NULL];
+  RCTUIView *view = [_componentData createViewWithTag:[NSNumber numberWithInteger:tag] rootTag:NULL]; // TODO(macOS GH#774)
   if ([_componentData.bridgelessViewManager conformsToProtocol:@protocol(RCTWeakViewHolder)]) {
     id<RCTWeakViewHolder> weakViewHolder = (id<RCTWeakViewHolder>)_componentData.bridgelessViewManager;
     if (!weakViewHolder.weakViews) {
@@ -84,7 +84,7 @@ - (UIView *)createPaperViewWithTag:(NSInteger)tag;
   return view;
 }
 
-- (void)setProps:(folly::dynamic const &)props forView:(UIView *)view
+- (void)setProps:(folly::dynamic const &)props forView:(RCTUIView *)view // TODO(macOS GH#774)
 {
   if (props.isObject()) {
     NSDictionary<NSString *, id> *convertedProps = convertFollyDynamicToId(props);