feat(fabric): Add some missing macOS only props

packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm

@@ -57,6 +57,7 @@ @implementation RCTViewComponentView {
   BOOL _hasMouseOver;
   BOOL _hasClipViewBoundsObserver;
   NSTrackingArea *_trackingArea;
+  BOOL _allowsVibrancy;
 #endif // macOS]
   NSMutableArray<RCTUIView *> *_reactSubviews; // [macOS]
   NSSet<NSString *> *_Nullable _propKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN;
@@ -81,6 +82,10 @@ - (instancetype)initWithFrame:(CGRect)frame
 #endif // [macOS]
     _useCustomContainerView = NO;
     _removeClippedSubviews = NO;
+#if TARGET_OS_OSX // [macOS
+    _allowsVibrancy = NO;
+    self.mouseDownCanMoveWindow = YES;
+#endif // macOS]
   }
   return self;
 }
@@ -141,6 +146,11 @@ - (void)resetCursorRects
     [self addCursorRect:self.bounds cursor:cursor];
   }
 }
+
+- (BOOL)allowsVibrancy
+{
+  return _allowsVibrancy;
+}
 #endif // macOS]
 
 #if !TARGET_OS_OSX
@@ -593,6 +603,21 @@ - (void)updateProps:(const Props::Shared &)props oldProps:(const Props::Shared &
   }
 
 #if TARGET_OS_OSX // [macOS
+  // `acceptsFirstMouse`
+  if (oldViewProps.acceptsFirstMouse != newViewProps.acceptsFirstMouse) {
+    self.acceptsFirstMouse = newViewProps.acceptsFirstMouse;
+  }
+
+  // `mouseDownCanMoveWindow`
+  if (oldViewProps.mouseDownCanMoveWindow != newViewProps.mouseDownCanMoveWindow) {
+    self.mouseDownCanMoveWindow = newViewProps.mouseDownCanMoveWindow;
+  }
+
+  // `allowsVibrancy`
+  if (oldViewProps.allowsVibrancy != newViewProps.allowsVibrancy) {
+    _allowsVibrancy = newViewProps.allowsVibrancy;
+  }
+
     // `draggedTypes`
   if (oldViewProps.draggedTypes != newViewProps.draggedTypes) {
     if (!oldViewProps.draggedTypes.empty()) {
@@ -712,6 +737,11 @@ - (void)prepareForRecycle
   _isJSResponder = NO;
   _removeClippedSubviews = NO;
   _reactSubviews = [NSMutableArray new];
+#if TARGET_OS_OSX // [macOS
+    _allowsVibrancy = NO;
+    self.acceptsFirstMouse = NO;
+    self.mouseDownCanMoveWindow = YES;
+#endif // macOS]
 }
 
 - (void)setPropKeysManagedByAnimated_DO_NOT_USE_THIS_IS_BROKEN:(NSSet<NSString *> *_Nullable)props

packages/react-native/ReactCommon/react/renderer/components/view/platform/macos/react/renderer/components/view/HostPlatformViewProps.cpp

@@ -83,7 +83,34 @@ HostPlatformViewProps::HostPlatformViewProps(
                    rawProps,
                    "tooltip",
                    sourceProps.tooltip,
-                   {})) {}
+                   {})),
+      acceptsFirstMouse(
+          ReactNativeFeatureFlags::enableCppPropsIteratorSetter()
+              ? sourceProps.acceptsFirstMouse
+              : convertRawProp(
+                    context,
+                    rawProps,
+                    "acceptsFirstMouse",
+                    sourceProps.acceptsFirstMouse,
+                    {})),
+      allowsVibrancy(
+          ReactNativeFeatureFlags::enableCppPropsIteratorSetter()
+              ? sourceProps.allowsVibrancy
+              : convertRawProp(
+                    context,
+                    rawProps,
+                    "allowsVibrancy",
+                    sourceProps.allowsVibrancy,
+                    {})),
+      mouseDownCanMoveWindow(
+          ReactNativeFeatureFlags::enableCppPropsIteratorSetter()
+              ? sourceProps.mouseDownCanMoveWindow
+              : convertRawProp(
+                    context,
+                    rawProps,
+                    "mouseDownCanMoveWindow",
+                    sourceProps.mouseDownCanMoveWindow,
+                    {})) {}
 
 #define VIEW_EVENT_CASE_MACOS(eventType)                           \
   case CONSTEXPR_RAW_PROPS_KEY_HASH("on" #eventType): {            \
@@ -122,6 +149,9 @@ void HostPlatformViewProps::setProp(
     RAW_SET_PROP_SWITCH_CASE_BASIC(keyUpEvents);
     RAW_SET_PROP_SWITCH_CASE_BASIC(draggedTypes);
     RAW_SET_PROP_SWITCH_CASE_BASIC(tooltip);
+    RAW_SET_PROP_SWITCH_CASE_BASIC(acceptsFirstMouse);
+    RAW_SET_PROP_SWITCH_CASE_BASIC(allowsVibrancy);
+    RAW_SET_PROP_SWITCH_CASE_BASIC(mouseDownCanMoveWindow);
   }
 }
 

packages/react-native/ReactCommon/react/renderer/components/view/platform/macos/react/renderer/components/view/HostPlatformViewProps.h

@@ -50,5 +50,9 @@ class HostPlatformViewProps : public BaseViewProps {
   std::vector<std::string> draggedTypes{};
 
   std::optional<std::string> tooltip{};
+
+  bool acceptsFirstMouse{false};
+  bool allowsVibrancy{false};
+  bool mouseDownCanMoveWindow{true};
 };
 } // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/components/view/platform/macos/react/renderer/components/view/HostPlatformViewTraitsInitializer.h

@@ -13,13 +13,14 @@
 namespace facebook::react::HostPlatformViewTraitsInitializer {
 
 inline bool formsStackingContext(const ViewProps& props) {
-  return false;
+  return props.allowsVibrancy ||
+         props.mouseDownCanMoveWindow ||
+         props.acceptsFirstMouse ||
+         props.hostPlatformEvents.bits.any();
 }
 
 inline bool formsView(const ViewProps& props) {
-  return props.focusable ||
-         props.hostPlatformEvents[HostPlatformViewEvents::Offset::MouseEnter] ||
-         props.hostPlatformEvents[HostPlatformViewEvents::Offset::MouseLeave];
+  return props.focusable;
 }
 
 } // namespace facebook::react::HostPlatformViewTraitsInitializer