diff --git a/Libraries/ActionSheetIOS/ActionSheetIOS.js b/Libraries/ActionSheetIOS/ActionSheetIOS.js
index bda2844d4f666b..d3b904fbbbbfc5 100644
--- a/Libraries/ActionSheetIOS/ActionSheetIOS.js
+++ b/Libraries/ActionSheetIOS/ActionSheetIOS.js
@@ -46,6 +46,7 @@ const ActionSheetIOS = {
       +cancelButtonIndex?: ?number,
       +anchor?: ?number,
       +tintColor?: number | string,
+      +userInterfaceStyle?: string,
     |},
     callback: (buttonIndex: number) => void,
   ) {
diff --git a/Libraries/ActionSheetIOS/NativeActionSheetManager.js b/Libraries/ActionSheetIOS/NativeActionSheetManager.js
index afc2b82f97af55..063d9147e1d69b 100644
--- a/Libraries/ActionSheetIOS/NativeActionSheetManager.js
+++ b/Libraries/ActionSheetIOS/NativeActionSheetManager.js
@@ -24,6 +24,7 @@ export interface Spec extends TurboModule {
       +cancelButtonIndex?: ?number,
       +anchor?: ?number,
       +tintColor?: ?number,
+      +userInterfaceStyle?: ?string,
     |},
     callback: (buttonIndex: number) => void,
   ) => void;
@@ -35,6 +36,7 @@ export interface Spec extends TurboModule {
       +anchor?: ?number,
       +tintColor?: ?number,
       +excludedActivityTypes?: ?Array<string>,
+      +userInterfaceStyle?: ?string,
     |},
     failureCallback: (error: {|
       +domain: string,
diff --git a/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h b/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
index 265fcdf3770310..a6cdf54b5df982 100644
--- a/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
+++ b/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
@@ -117,6 +117,7 @@ namespace JS {
       folly::Optional<double> cancelButtonIndex() const;
       folly::Optional<double> anchor() const;
       folly::Optional<double> tintColor() const;
+      NSString *userInterfaceStyle() const;
 
       SpecShowActionSheetWithOptionsOptions(NSDictionary *const v) : _v(v) {}
     private:
@@ -138,6 +139,7 @@ namespace JS {
       folly::Optional<double> anchor() const;
       folly::Optional<double> tintColor() const;
       folly::Optional<facebook::react::LazyVector<NSString *>> excludedActivityTypes() const;
+      NSString *userInterfaceStyle() const;
 
       SpecShowShareActionSheetWithOptionsOptions(NSDictionary *const v) : _v(v) {}
     private:
@@ -2935,6 +2937,11 @@ inline folly::Optional<double> JS::NativeActionSheetManager::SpecShowActionSheet
   id const p = _v[@"tintColor"];
   return RCTBridgingToOptionalDouble(p);
 }
+inline NSString *JS::NativeActionSheetManager::SpecShowActionSheetWithOptionsOptions::userInterfaceStyle() const
+{
+  id const p = _v[@"userInterfaceStyle"];
+  return RCTBridgingToString(p);
+}
 inline NSString *JS::NativeActionSheetManager::SpecShowShareActionSheetWithOptionsOptions::message() const
 {
   id const p = _v[@"message"];
@@ -2965,6 +2972,11 @@ inline folly::Optional<facebook::react::LazyVector<NSString *>> JS::NativeAction
   id const p = _v[@"excludedActivityTypes"];
   return RCTBridgingToOptionalVec(p, ^NSString *(id itemValue_0) { return RCTBridgingToString(itemValue_0); });
 }
+inline NSString *JS::NativeActionSheetManager::SpecShowShareActionSheetWithOptionsOptions::userInterfaceStyle() const
+{
+  id const p = _v[@"userInterfaceStyle"];
+  return RCTBridgingToString(p);
+}
 inline NSString *JS::NativeActionSheetManager::SpecShowShareActionSheetWithOptionsFailureCallbackError::domain() const
 {
   id const p = _v[@"domain"];
diff --git a/React/CoreModules/RCTActionSheetManager.mm b/React/CoreModules/RCTActionSheetManager.mm
index ca8713692973ad..9ca746a40b68a1 100644
--- a/React/CoreModules/RCTActionSheetManager.mm
+++ b/React/CoreModules/RCTActionSheetManager.mm
@@ -129,6 +129,21 @@ - (void)presentViewController:(UIViewController *)alertController
   }
 
   alertController.view.tintColor = tintColor;
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
+__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
+  if (@available(iOS 13.0, *)) {
+    NSString *userInterfaceStyle = [RCTConvert NSString:options.userInterfaceStyle()];
+
+    if (userInterfaceStyle == nil || [userInterfaceStyle isEqualToString:@""]) {
+      alertController.overrideUserInterfaceStyle = UIUserInterfaceStyleUnspecified;
+    } else if ([userInterfaceStyle isEqualToString:@"dark"]) {
+      alertController.overrideUserInterfaceStyle = UIUserInterfaceStyleDark;
+    } else if ([userInterfaceStyle isEqualToString:@"light"]) {
+      alertController.overrideUserInterfaceStyle = UIUserInterfaceStyleLight;
+    }
+  }
+#endif
+
   [self presentViewController:alertController onParentViewController:controller anchorViewTag:anchorViewTag];
 }
 
@@ -191,6 +206,21 @@ - (void)presentViewController:(UIViewController *)alertController
   NSNumber *anchorViewTag = [RCTConvert NSNumber:options.anchor() ? @(*options.anchor()) : nil];
   shareController.view.tintColor = [RCTConvert UIColor:options.tintColor() ? @(*options.tintColor()) : nil];
 
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
+__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
+  if (@available(iOS 13.0, *)) {
+    NSString *userInterfaceStyle = [RCTConvert NSString:options.userInterfaceStyle()];
+
+    if (userInterfaceStyle == nil || [userInterfaceStyle isEqualToString:@""]) {
+      shareController.overrideUserInterfaceStyle = UIUserInterfaceStyleUnspecified;
+    } else if ([userInterfaceStyle isEqualToString:@"dark"]) {
+      shareController.overrideUserInterfaceStyle = UIUserInterfaceStyleDark;
+    } else if ([userInterfaceStyle isEqualToString:@"light"]) {
+      shareController.overrideUserInterfaceStyle = UIUserInterfaceStyleLight;
+    }
+  }
+#endif
+
   [self presentViewController:shareController onParentViewController:controller anchorViewTag:anchorViewTag];
 }
 
diff --git a/React/CoreModules/RCTDevLoadingView.mm b/React/CoreModules/RCTDevLoadingView.mm
index a76f4a3e774d9a..fdfee9176e1696 100644
--- a/React/CoreModules/RCTDevLoadingView.mm
+++ b/React/CoreModules/RCTDevLoadingView.mm
@@ -103,10 +103,13 @@ -(void)showMessage:(NSString *)message color:(UIColor *)color backgroundColor:(U
     self->_window.backgroundColor = backgroundColor;
     self->_window.hidden = NO;
 
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && \
+__IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
     if (@available(iOS 13.0, *)) {
-      id scene = [[RCTSharedApplication() valueForKey:@"connectedScenes"] anyObject];
-      [self->_window setValue:scene forKey:@"windowScene"];
+      UIWindowScene *scene = (UIWindowScene *)RCTSharedApplication().connectedScenes.anyObject;
+      self->_window.windowScene = scene;
     }
+#endif
   });
 }