diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManager.h b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManager.h
index 18c5c9d7dd1452d70def81b9d78afd4623edbd9a..73af0dc2af18b487130703a12ee8ff98e11ae99a 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManager.h
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManager.h
@@ -58,5 +58,6 @@ class MountingManager {
       facebook::react::ComponentDescriptor const& componentDescriptor) = 0;
 
   virtual void clearPreallocatedViews() = 0;
+  virtual void clearPreallocationRequestQueue() = 0;
 };
 } // namespace rnoh
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.cpp
index 1e3e88a788a1376b0a77a88d91641f84ca837e97..884e9eb2702970b43ac772fa8d3916ea440444f7 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.cpp
@@ -85,4 +85,9 @@ void MountingManagerArkTS::updateView(
 void MountingManagerArkTS::clearPreallocatedViews() {
   throw RNOHError("Preallocation is not implemented in ArkTS architecture.");
 }
+
+void MountingManagerArkTS::clearPreallocationRequestQueue()
+{
+    throw RNOHError("Preallocation is not implemented in ArkTS architecture.");
+}
 } // namespace rnoh
\ No newline at end of file
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.h b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.h
index 2f4ed0f034153b4297b694bdbfba4b51d40dcce5..4b83f510ea85e173dcbb6a1e1689e69d235ac3aa 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.h
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerArkTS.h
@@ -73,7 +73,8 @@ class MountingManagerArkTS final : public MountingManager {
       folly::dynamic props,
       facebook::react::ComponentDescriptor const& componentDescriptor) override;
 
-  void clearPreallocatedViews();
+    void clearPreallocatedViews();
+    void clearPreallocationRequestQueue();
 
  private:
   ShadowViewRegistry::Shared shadowViewRegistry;
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.cpp
index a191a35ff7040e5da255b4962555c5947b82ab1a..b09ba7078a230ebb9916eccc4c35b8bdf4605dcf 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.cpp
@@ -66,15 +66,15 @@ void MountingManagerCAPI::didMount(MutationList const& mutations) {
  
   HarmonyReactMarker::logMarker(
       HarmonyReactMarker::HarmonyReactMarkerId::FABRIC_BATCH_EXECUTION_START); 
-  m_componentInstanceProvider->clearPreallocationRequestQueue();
-  for (auto const& mutation : mutations) {
-    try {
-      this->handleMutation(mutation);
-    } catch (std::exception const& e) {
-      LOG(ERROR) << "Mutation " << getMutationNameFromType(mutation.type)
-                 << " failed: " << e.what();
+
+    for (auto const& mutation : mutations) {
+        try {
+            this->handleMutation(mutation);
+        } catch (std::exception const& e) {
+            LOG(ERROR)  << "Mutation " << getMutationNameFromType(mutation.type)
+                        << " failed: " << e.what();
+        }
     }
-  }
   HarmonyReactMarker::logMarker(
       HarmonyReactMarker::HarmonyReactMarkerId::FABRIC_BATCH_EXECUTION_END);
 }
@@ -374,4 +374,9 @@ void MountingManagerCAPI::schedulerDidSendAccessibilityEvent(
 void MountingManagerCAPI::clearPreallocatedViews() {
   m_componentInstanceProvider->clearPreallocatedViews();
 }
+
+void MountingManagerCAPI::clearPreallocationRequestQueue()
+{
+    m_componentInstanceProvider->clearPreallocationRequestQueue();
+}
 } // namespace rnoh
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.h b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.h
index 840fd0768b35bf410fab749f5b79fe5b3b4a7c2d..3676b205c55cb572363d3567c5d64fdd468c442f 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.h
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/MountingManagerCAPI.h
@@ -89,7 +89,8 @@ class MountingManagerCAPI final : public MountingManager {
       const facebook::react::ShadowView& shadowView,
       std::string const& eventType) override;
 
-  void clearPreallocatedViews();
+    void clearPreallocatedViews();
+    void clearPreallocationRequestQueue();
 
  private:
   void updateComponentWithShadowView(
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/SchedulerDelegate.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/SchedulerDelegate.cpp
index 3d047fc92527203ee053588680cf929a31407a8a..94001884ba0518baae572a4ae52ed64cf2f55b68 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/SchedulerDelegate.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/SchedulerDelegate.cpp
@@ -65,11 +65,18 @@ void SchedulerDelegate::schedulerDidFinishTransaction(
             [otherMutation, mutationVecs, this](
                 MountingManager::Shared const& mountingManager) {
               mountingManager->didMount(otherMutation);
-              mountingManager->clearPreallocatedViews();
               mountingManager->finalizeMutationUpdates(mutationVecs);
             });
+        performOnMainThread(
+            [otherMutation, mutationVecs, this](
+                MountingManager::Shared const& mountingManager) {
+              mountingManager->clearPreallocatedViews();
+            });
         logTransactionTelemetryMarkers(transaction);
       });
+        if (auto mountingManager = m_mountingManager.lock()) {
+            mountingManager->clearPreallocationRequestQueue();
+        }
 }
 
 void SchedulerDelegate::logTransactionTelemetryMarkers(