diff --git a/React/Fabric/Mounting/RCTComponentViewRegistry.h b/React/Fabric/Mounting/RCTComponentViewRegistry.h
index 9199d68ac68..44b7773ea73 100644
--- a/React/Fabric/Mounting/RCTComponentViewRegistry.h
+++ b/React/Fabric/Mounting/RCTComponentViewRegistry.h
@@ -27,8 +27,9 @@ NS_ASSUME_NONNULL_BEGIN
  * for given `componentHandle` and with given `tag`.
  * #RefuseSingleUse
  */
-- (RCTComponentViewDescriptor)dequeueComponentViewWithComponentHandle:(facebook::react::ComponentHandle)componentHandle
-                                                                  tag:(facebook::react::Tag)tag;
+- (RCTComponentViewDescriptor const &)dequeueComponentViewWithComponentHandle:
+                                          (facebook::react::ComponentHandle)componentHandle
+                                                                          tag:(facebook::react::Tag)tag;
 
 /**
  * Puts a given native component view to the recycle pool.
diff --git a/React/Fabric/Mounting/RCTComponentViewRegistry.mm b/React/Fabric/Mounting/RCTComponentViewRegistry.mm
index 58efcb2c14b..ac6d4d7095a 100644
--- a/React/Fabric/Mounting/RCTComponentViewRegistry.mm
+++ b/React/Fabric/Mounting/RCTComponentViewRegistry.mm
@@ -66,7 +66,8 @@ const NSInteger RCTComponentViewRegistryRecyclePoolMaxSize = 1024;
   }
 }
 
-- (RCTComponentViewDescriptor)dequeueComponentViewWithComponentHandle:(ComponentHandle)componentHandle tag:(Tag)tag
+- (RCTComponentViewDescriptor const &)dequeueComponentViewWithComponentHandle:(ComponentHandle)componentHandle
+                                                                          tag:(Tag)tag
 {
   RCTAssertMainQueue();
 
@@ -76,10 +77,8 @@ const NSInteger RCTComponentViewRegistryRecyclePoolMaxSize = 1024;
 
   auto componentViewDescriptor = [self _dequeueComponentViewWithComponentHandle:componentHandle];
   componentViewDescriptor.view.tag = tag;
-
-  _registry.insert({tag, componentViewDescriptor});
-
-  return componentViewDescriptor;
+  auto it = _registry.insert({tag, componentViewDescriptor});
+  return it.first->second;
 }
 
 - (void)enqueueComponentViewWithComponentHandle:(ComponentHandle)componentHandle
diff --git a/React/Fabric/Mounting/RCTMountingManager.mm b/React/Fabric/Mounting/RCTMountingManager.mm
index a64b1dd79dd..f63d902b4c2 100644
--- a/React/Fabric/Mounting/RCTMountingManager.mm
+++ b/React/Fabric/Mounting/RCTMountingManager.mm
@@ -21,170 +21,101 @@
 #import "RCTConversions.h"
 #import "RCTMountingTransactionObserverCoordinator.h"
 
-using namespace facebook;
 using namespace facebook::react;
 
-// `Create` instruction
-static void RNCreateMountInstruction(
-    ShadowViewMutation const &mutation,
-    RCTComponentViewRegistry *registry,
-    RCTMountingTransactionObserverCoordinator &observerCoordinator,
-    SurfaceId surfaceId)
-{
-  auto componentViewDescriptor =
-      [registry dequeueComponentViewWithComponentHandle:mutation.newChildShadowView.componentHandle
-                                                    tag:mutation.newChildShadowView.tag];
-
-  observerCoordinator.registerViewComponentDescriptor(componentViewDescriptor, surfaceId);
-}
-
-// `Delete` instruction
-static void RNDeleteMountInstruction(
-    ShadowViewMutation const &mutation,
-    RCTComponentViewRegistry *registry,
-    RCTMountingTransactionObserverCoordinator &observerCoordinator,
-    SurfaceId surfaceId)
-{
-  auto const &oldChildShadowView = mutation.oldChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:oldChildShadowView.tag];
-  observerCoordinator.unregisterViewComponentDescriptor(componentViewDescriptor, surfaceId);
-  [registry enqueueComponentViewWithComponentHandle:oldChildShadowView.componentHandle
-                                                tag:oldChildShadowView.tag
-                            componentViewDescriptor:componentViewDescriptor];
-}
-
-// `Insert` instruction
-static void RNInsertMountInstruction(ShadowViewMutation const &mutation, RCTComponentViewRegistry *registry)
-{
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &parentShadowView = mutation.parentShadowView;
-
-  auto const &childComponentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  auto const &parentComponentViewDescriptor = [registry componentViewDescriptorWithTag:parentShadowView.tag];
-
-  [parentComponentViewDescriptor.view mountChildComponentView:childComponentViewDescriptor.view index:mutation.index];
-}
-
-// `Remove` instruction
-static void RNRemoveMountInstruction(ShadowViewMutation const &mutation, RCTComponentViewRegistry *registry)
-{
-  auto const &oldShadowView = mutation.oldChildShadowView;
-  auto const &parentShadowView = mutation.parentShadowView;
-
-  auto const &childComponentViewDescriptor = [registry componentViewDescriptorWithTag:oldShadowView.tag];
-  auto const &parentComponentViewDescriptor = [registry componentViewDescriptorWithTag:parentShadowView.tag];
-
-  [parentComponentViewDescriptor.view unmountChildComponentView:childComponentViewDescriptor.view index:mutation.index];
-}
-
-// `Update Props` instruction
-static void RNUpdatePropsMountInstruction(ShadowViewMutation const &mutation, RCTComponentViewRegistry *registry)
-{
-  auto const &oldShadowView = mutation.oldChildShadowView;
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  [componentViewDescriptor.view updateProps:newShadowView.props oldProps:oldShadowView.props];
-}
-
-// `Update EventEmitter` instruction
-static void RNUpdateEventEmitterMountInstruction(ShadowViewMutation const &mutation, RCTComponentViewRegistry *registry)
-{
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  [componentViewDescriptor.view updateEventEmitter:newShadowView.eventEmitter];
-}
-
-// `Update LayoutMetrics` instruction
-static void RNUpdateLayoutMetricsMountInstruction(
-    ShadowViewMutation const &mutation,
-    RCTComponentViewRegistry *registry)
-{
-  auto const &oldShadowView = mutation.oldChildShadowView;
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  [componentViewDescriptor.view updateLayoutMetrics:newShadowView.layoutMetrics
-                                   oldLayoutMetrics:oldShadowView.layoutMetrics];
-}
-
-// `Update State` instruction
-static void RNUpdateStateMountInstruction(ShadowViewMutation const &mutation, RCTComponentViewRegistry *registry)
-{
-  auto const &oldShadowView = mutation.oldChildShadowView;
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  [componentViewDescriptor.view updateState:newShadowView.state oldState:oldShadowView.state];
-}
-
-// `Finalize Updates` instruction
-static void RNFinalizeUpdatesMountInstruction(
-    ShadowViewMutation const &mutation,
-    RNComponentViewUpdateMask mask,
-    RCTComponentViewRegistry *registry)
-{
-  auto const &newShadowView = mutation.newChildShadowView;
-  auto const &componentViewDescriptor = [registry componentViewDescriptorWithTag:newShadowView.tag];
-  [componentViewDescriptor.view finalizeUpdates:mask];
-}
-
-// `Update` instruction
-static void RNPerformMountInstructions(
+static void RCTPerformMountInstructions(
     ShadowViewMutationList const &mutations,
     RCTComponentViewRegistry *registry,
     RCTMountingTransactionObserverCoordinator &observerCoordinator,
     SurfaceId surfaceId)
 {
-  SystraceSection s("RNPerformMountInstructions");
+  SystraceSection s("RCTPerformMountInstructions");
 
   [CATransaction begin];
   [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
   for (auto const &mutation : mutations) {
     switch (mutation.type) {
       case ShadowViewMutation::Create: {
-        RNCreateMountInstruction(mutation, registry, observerCoordinator, surfaceId);
+        auto &newChildShadowView = mutation.newChildShadowView;
+        auto &newChildViewDescriptor =
+            [registry dequeueComponentViewWithComponentHandle:newChildShadowView.componentHandle
+                                                          tag:newChildShadowView.tag];
+        observerCoordinator.registerViewComponentDescriptor(newChildViewDescriptor, surfaceId);
         break;
       }
+
       case ShadowViewMutation::Delete: {
-        RNDeleteMountInstruction(mutation, registry, observerCoordinator, surfaceId);
+        auto &oldChildShadowView = mutation.oldChildShadowView;
+        auto &oldChildViewDescriptor = [registry componentViewDescriptorWithTag:oldChildShadowView.tag];
+
+        observerCoordinator.unregisterViewComponentDescriptor(oldChildViewDescriptor, surfaceId);
+
+        [registry enqueueComponentViewWithComponentHandle:oldChildShadowView.componentHandle
+                                                      tag:oldChildShadowView.tag
+                                  componentViewDescriptor:oldChildViewDescriptor];
         break;
       }
+
       case ShadowViewMutation::Insert: {
-        RNUpdatePropsMountInstruction(mutation, registry);
-        RNUpdateEventEmitterMountInstruction(mutation, registry);
-        RNUpdateStateMountInstruction(mutation, registry);
-        RNUpdateLayoutMetricsMountInstruction(mutation, registry);
-        RNFinalizeUpdatesMountInstruction(mutation, RNComponentViewUpdateMaskAll, registry);
-        RNInsertMountInstruction(mutation, registry);
+        auto &oldChildShadowView = mutation.oldChildShadowView;
+        auto &newChildShadowView = mutation.newChildShadowView;
+        auto &parentShadowView = mutation.parentShadowView;
+        auto &newChildViewDescriptor = [registry componentViewDescriptorWithTag:newChildShadowView.tag];
+        auto &parentViewDescriptor = [registry componentViewDescriptorWithTag:parentShadowView.tag];
+
+        UIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view;
+
+        [newChildComponentView updateProps:newChildShadowView.props oldProps:oldChildShadowView.props];
+        [newChildComponentView updateEventEmitter:newChildShadowView.eventEmitter];
+        [newChildComponentView updateState:newChildShadowView.state oldState:oldChildShadowView.state];
+        [newChildComponentView updateLayoutMetrics:newChildShadowView.layoutMetrics
+                                  oldLayoutMetrics:oldChildShadowView.layoutMetrics];
+        [newChildComponentView finalizeUpdates:RNComponentViewUpdateMaskAll];
+
+        [parentViewDescriptor.view mountChildComponentView:newChildComponentView index:mutation.index];
         break;
       }
+
       case ShadowViewMutation::Remove: {
-        RNRemoveMountInstruction(mutation, registry);
+        auto &oldChildShadowView = mutation.oldChildShadowView;
+        auto &parentShadowView = mutation.parentShadowView;
+        auto &oldChildViewDescriptor = [registry componentViewDescriptorWithTag:oldChildShadowView.tag];
+        auto &parentViewDescriptor = [registry componentViewDescriptorWithTag:parentShadowView.tag];
+        [parentViewDescriptor.view unmountChildComponentView:oldChildViewDescriptor.view index:mutation.index];
         break;
       }
+
       case ShadowViewMutation::Update: {
-        auto const &oldChildShadowView = mutation.oldChildShadowView;
-        auto const &newChildShadowView = mutation.newChildShadowView;
+        auto &oldChildShadowView = mutation.oldChildShadowView;
+        auto &newChildShadowView = mutation.newChildShadowView;
+        auto &newChildViewDescriptor = [registry componentViewDescriptorWithTag:newChildShadowView.tag];
+        UIView<RCTComponentViewProtocol> *newChildComponentView = newChildViewDescriptor.view;
 
         auto mask = RNComponentViewUpdateMask{};
 
         if (oldChildShadowView.props != newChildShadowView.props) {
-          RNUpdatePropsMountInstruction(mutation, registry);
+          [newChildComponentView updateProps:newChildShadowView.props oldProps:oldChildShadowView.props];
           mask |= RNComponentViewUpdateMaskProps;
         }
+
         if (oldChildShadowView.eventEmitter != newChildShadowView.eventEmitter) {
-          RNUpdateEventEmitterMountInstruction(mutation, registry);
+          [newChildComponentView updateEventEmitter:newChildShadowView.eventEmitter];
           mask |= RNComponentViewUpdateMaskEventEmitter;
         }
+
         if (oldChildShadowView.state != newChildShadowView.state) {
-          RNUpdateStateMountInstruction(mutation, registry);
+          [newChildComponentView updateState:newChildShadowView.state oldState:oldChildShadowView.state];
           mask |= RNComponentViewUpdateMaskState;
         }
+
         if (oldChildShadowView.layoutMetrics != newChildShadowView.layoutMetrics) {
-          RNUpdateLayoutMetricsMountInstruction(mutation, registry);
+          [newChildComponentView updateLayoutMetrics:newChildShadowView.layoutMetrics
+                                    oldLayoutMetrics:oldChildShadowView.layoutMetrics];
           mask |= RNComponentViewUpdateMaskLayoutMetrics;
         }
 
         if (mask != RNComponentViewUpdateMaskNone) {
-          RNFinalizeUpdatesMountInstruction(mutation, mask, registry);
+          [newChildComponentView finalizeUpdates:mask];
         }
 
         break;
@@ -284,7 +215,7 @@ static void RNPerformMountInstructions(
   [self.delegate mountingManager:self willMountComponentsWithRootTag:surfaceId];
   _observerCoordinator.notifyObserversMountingTransactionWillMount({surfaceId, number, telemetry});
   telemetry.willMount();
-  RNPerformMountInstructions(mutations, self.componentViewRegistry, _observerCoordinator, surfaceId);
+  RCTPerformMountInstructions(mutations, self.componentViewRegistry, _observerCoordinator, surfaceId);
   telemetry.didMount();
   _observerCoordinator.notifyObserversMountingTransactionDidMount({surfaceId, number, telemetry});
   [self.delegate mountingManager:self didMountComponentsWithRootTag:surfaceId];