diff --git a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h
index 3e98a3f84..fc96cd5f7 100644
--- a/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h
+++ b/native/cpp/CommonCpp/DatabaseManagers/SQLiteQueryExecutor.h
@@ -1,66 +1,67 @@
 #pragma once
 
 #include "../CryptoTools/Persist.h"
 #include "DatabaseQueryExecutor.h"
 #include "entities/Draft.h"
 
 #include <mutex>
 #include <string>
 
 namespace comm {
 
 class SQLiteQueryExecutor : public DatabaseQueryExecutor {
   void migrate() const;
   static void assign_encryption_key();
   static auto &getStorage();
 
   static std::once_flag initialized;
   static int sqlcipherEncryptionKeySize;
-  static std::string secureStoreEncryptionKeyID;
 
 public:
   static std::string sqliteFilePath;
   static std::string encryptionKey;
 
+  static std::string secureStoreEncryptionKeyID;
+
   SQLiteQueryExecutor();
   static void initialize(std::string &databasePath);
   std::unique_ptr<Thread> getThread(std::string threadID) const override;
   std::string getDraft(std::string key) const override;
   void updateDraft(std::string key, std::string text) const override;
   bool moveDraft(std::string oldKey, std::string newKey) const override;
   std::vector<Draft> getAllDrafts() const override;
   void removeAllDrafts() const override;
   void removeAllMessages() const override;
   std::vector<std::pair<Message, std::vector<Media>>>
   getAllMessages() const override;
   void removeMessages(const std::vector<std::string> &ids) const override;
   void removeMessagesForThreads(
       const std::vector<std::string> &threadIDs) const override;
   void replaceMessage(const Message &message) const override;
   void rekeyMessage(std::string from, std::string to) const override;
   void removeAllMedia() const override;
   void removeMediaForMessages(
       const std::vector<std::string> &msg_ids) const override;
   void removeMediaForMessage(std::string msg_id) const override;
   void removeMediaForThreads(
       const std::vector<std::string> &thread_ids) const override;
   void replaceMedia(const Media &media) const override;
   void rekeyMediaContainers(std::string from, std::string to) const override;
   std::vector<Thread> getAllThreads() const override;
   void removeThreads(std::vector<std::string> ids) const override;
   void replaceThread(const Thread &thread) const override;
   void removeAllThreads() const override;
   void beginTransaction() const override;
   void commitTransaction() const override;
   void rollbackTransaction() const override;
   std::vector<OlmPersistSession> getOlmPersistSessionsData() const override;
   folly::Optional<std::string> getOlmPersistAccountData() const override;
   void storeOlmPersistData(crypto::Persist persist) const override;
   void setNotifyToken(std::string token) const override;
   void clearNotifyToken() const override;
   void setCurrentUserID(std::string userID) const override;
   std::string getCurrentUserID() const override;
   void clearSensitiveData() const override;
 };
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
index a88211f5a..a451d6271 100644
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
@@ -1,1026 +1,1044 @@
 #include "CommCoreModule.h"
 #include "DatabaseManager.h"
 #include "GRPCStreamHostObject.h"
 #include "InternalModules/GlobalNetworkSingleton.h"
 #include "InternalModules/NetworkModule.h"
 #include "Logger.h"
 #include "MessageStoreOperations.h"
 #include "ThreadStoreOperations.h"
 
 #include <folly/Optional.h>
 
 #include "../DatabaseManagers/entities/Media.h"
 
 #include <ReactCommon/TurboModuleUtils.h>
 #include <future>
 
 namespace comm {
 
 using namespace facebook::react;
 
+template <class T>
+T CommCoreModule::runSyncOrThrowJSError(
+    jsi::Runtime &rt,
+    std::function<T()> task) {
+  std::promise<T> promise;
+  this->databaseThread->scheduleTask([&promise, &task]() {
+    try {
+      promise.set_value(task());
+    } catch (const std::exception &e) {
+      promise.set_exception(std::make_exception_ptr(e));
+    }
+  });
+  // We cannot instantiate JSError on database thread, so
+  // on the main thread we re-throw C++ error, catch it and
+  // transform to informative JSError on the main thread
+  try {
+    return promise.get_future().get();
+  } catch (const std::exception &e) {
+    throw jsi::JSError(rt, e.what());
+  }
+}
+
 jsi::Value CommCoreModule::getDraft(jsi::Runtime &rt, const jsi::String &key) {
   std::string keyStr = key.utf8(rt);
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string draftStr;
           try {
             draftStr = DatabaseManager::getQueryExecutor().getDraft(keyStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             jsi::String draft = jsi::String::createFromUtf8(innerRt, draftStr);
             promise->resolve(std::move(draft));
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value
 CommCoreModule::updateDraft(jsi::Runtime &rt, const jsi::Object &draft) {
   std::string keyStr = draft.getProperty(rt, "key").asString(rt).utf8(rt);
   std::string textStr = draft.getProperty(rt, "text").asString(rt).utf8(rt);
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().updateDraft(keyStr, textStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(true);
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::moveDraft(
     jsi::Runtime &rt,
     const jsi::String &oldKey,
     const jsi::String &newKey) {
   std::string oldKeyStr = oldKey.utf8(rt);
   std::string newKeyStr = newKey.utf8(rt);
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           bool result = false;
           try {
             result = DatabaseManager::getQueryExecutor().moveDraft(
                 oldKeyStr, newKeyStr);
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(result);
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::getAllDrafts(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::vector<Draft> draftsVector;
           size_t numDrafts;
           try {
             draftsVector = DatabaseManager::getQueryExecutor().getAllDrafts();
             numDrafts = count_if(
                 draftsVector.begin(), draftsVector.end(), [](Draft draft) {
                   return !draft.text.empty();
                 });
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             jsi::Array jsiDrafts = jsi::Array(innerRt, numDrafts);
 
             size_t writeIndex = 0;
             for (Draft draft : draftsVector) {
               if (draft.text.empty()) {
                 continue;
               }
               auto jsiDraft = jsi::Object(innerRt);
               jsiDraft.setProperty(innerRt, "key", draft.key);
               jsiDraft.setProperty(innerRt, "text", draft.text);
               jsiDrafts.setValueAtIndex(innerRt, writeIndex++, jsiDraft);
             }
             promise->resolve(std::move(jsiDrafts));
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::removeAllDrafts(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().removeAllDrafts();
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::Value::undefined());
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 jsi::Array CommCoreModule::getAllMessagesSync(jsi::Runtime &rt) {
-  std::promise<std::vector<std::pair<Message, std::vector<Media>>>>
-      messagesResult;
-  auto messagesResultFuture = messagesResult.get_future();
-
-  this->databaseThread->scheduleTask([&messagesResult]() {
-    messagesResult.set_value(
-        DatabaseManager::getQueryExecutor().getAllMessages());
+  auto messagesVector = this->runSyncOrThrowJSError<
+      std::vector<std::pair<Message, std::vector<Media>>>>(rt, []() {
+    return DatabaseManager::getQueryExecutor().getAllMessages();
   });
-
-  auto messagesVector = messagesResultFuture.get();
   size_t numMessages{messagesVector.size()};
   jsi::Array jsiMessages = jsi::Array(rt, numMessages);
 
   size_t writeIndex = 0;
   for (const auto &[message, media] : messagesVector) {
     auto jsiMessage = jsi::Object(rt);
     jsiMessage.setProperty(rt, "id", message.id);
 
     if (message.local_id) {
       auto local_id = message.local_id.get();
       jsiMessage.setProperty(rt, "local_id", *local_id);
     }
 
     jsiMessage.setProperty(rt, "thread", message.thread);
     jsiMessage.setProperty(rt, "user", message.user);
     jsiMessage.setProperty(rt, "type", std::to_string(message.type));
 
     if (message.future_type) {
       auto future_type = message.future_type.get();
       jsiMessage.setProperty(rt, "future_type", std::to_string(*future_type));
     }
 
     if (message.content) {
       auto content = message.content.get();
       jsiMessage.setProperty(rt, "content", *content);
     }
     jsiMessage.setProperty(rt, "time", std::to_string(message.time));
 
     size_t media_idx = 0;
     jsi::Array jsiMediaArray = jsi::Array(rt, media.size());
     for (const auto &media_info : media) {
       auto jsiMedia = jsi::Object(rt);
       jsiMedia.setProperty(rt, "id", media_info.id);
       jsiMedia.setProperty(rt, "uri", media_info.uri);
       jsiMedia.setProperty(rt, "type", media_info.type);
       jsiMedia.setProperty(rt, "extras", media_info.extras);
 
       jsiMediaArray.setValueAtIndex(rt, media_idx++, jsiMedia);
     }
 
     jsiMessage.setProperty(rt, "media_infos", jsiMediaArray);
     jsiMessages.setValueAtIndex(rt, writeIndex++, jsiMessage);
   }
 
   return jsiMessages;
 }
 
 jsi::Value CommCoreModule::getAllMessages(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::vector<std::pair<Message, std::vector<Media>>> messagesVector;
           size_t numMessages;
           try {
             messagesVector =
                 DatabaseManager::getQueryExecutor().getAllMessages();
             numMessages = messagesVector.size();
           } catch (std::system_error &e) {
             error = e.what();
           }
           auto messagesVectorPtr = std::make_shared<
               std::vector<std::pair<Message, std::vector<Media>>>>(
               std::move(messagesVector));
           this->jsInvoker_->invokeAsync(
               [messagesVectorPtr, &innerRt, promise, error, numMessages]() {
                 if (error.size()) {
                   promise->reject(error);
                   return;
                 }
                 jsi::Array jsiMessages = jsi::Array(innerRt, numMessages);
                 size_t writeIndex = 0;
                 for (const auto &[message, media] : *messagesVectorPtr) {
                   auto jsiMessage = jsi::Object(innerRt);
                   jsiMessage.setProperty(innerRt, "id", message.id);
 
                   if (message.local_id) {
                     auto local_id = message.local_id.get();
                     jsiMessage.setProperty(innerRt, "local_id", *local_id);
                   }
 
                   jsiMessage.setProperty(innerRt, "thread", message.thread);
                   jsiMessage.setProperty(innerRt, "user", message.user);
                   jsiMessage.setProperty(
                       innerRt, "type", std::to_string(message.type));
 
                   if (message.future_type) {
                     auto future_type = message.future_type.get();
                     jsiMessage.setProperty(
                         innerRt, "future_type", std::to_string(*future_type));
                   }
 
                   if (message.content) {
                     auto content = message.content.get();
                     jsiMessage.setProperty(innerRt, "content", *content);
                   }
 
                   jsiMessage.setProperty(
                       innerRt, "time", std::to_string(message.time));
 
                   size_t media_idx = 0;
                   jsi::Array jsiMediaArray = jsi::Array(innerRt, media.size());
                   for (const auto &media_info : media) {
                     auto jsiMedia = jsi::Object(innerRt);
                     jsiMedia.setProperty(innerRt, "id", media_info.id);
                     jsiMedia.setProperty(innerRt, "uri", media_info.uri);
                     jsiMedia.setProperty(innerRt, "type", media_info.type);
                     jsiMedia.setProperty(innerRt, "extras", media_info.extras);
 
                     jsiMediaArray.setValueAtIndex(
                         innerRt, media_idx++, jsiMedia);
                   }
 
                   jsiMessage.setProperty(innerRt, "media_infos", jsiMediaArray);
 
                   jsiMessages.setValueAtIndex(
                       innerRt, writeIndex++, jsiMessage);
                 }
                 promise->resolve(std::move(jsiMessages));
               });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 #define REKEY_OPERATION "rekey"
 #define REMOVE_OPERATION "remove"
 #define REPLACE_OPERATION "replace"
 #define REMOVE_MSGS_FOR_THREADS_OPERATION "remove_messages_for_threads"
 #define REMOVE_ALL_OPERATION "remove_all"
 
 std::vector<std::unique_ptr<MessageStoreOperationBase>>
 createMessageStoreOperations(jsi::Runtime &rt, const jsi::Array &operations) {
 
   std::vector<std::unique_ptr<MessageStoreOperationBase>> messageStoreOps;
 
   for (auto idx = 0; idx < operations.size(rt); idx++) {
     auto op = operations.getValueAtIndex(rt, idx).asObject(rt);
     auto op_type = op.getProperty(rt, "type").asString(rt).utf8(rt);
 
     if (op_type == REMOVE_ALL_OPERATION) {
       messageStoreOps.push_back(std::make_unique<RemoveAllMessagesOperation>());
       continue;
     }
 
     auto payload_obj = op.getProperty(rt, "payload").asObject(rt);
     if (op_type == REMOVE_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RemoveMessagesOperation>(rt, payload_obj));
 
     } else if (op_type == REMOVE_MSGS_FOR_THREADS_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RemoveMessagesForThreadsOperation>(rt, payload_obj));
 
     } else if (op_type == REPLACE_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<ReplaceMessageOperation>(rt, payload_obj));
 
     } else if (op_type == REKEY_OPERATION) {
       messageStoreOps.push_back(
           std::make_unique<RekeyMessageOperation>(rt, payload_obj));
 
     } else {
       throw std::runtime_error("unsupported operation: " + op_type);
     }
   }
 
   return messageStoreOps;
 }
 
 jsi::Value CommCoreModule::processMessageStoreOperations(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::string createOperationsError;
   std::shared_ptr<std::vector<std::unique_ptr<MessageStoreOperationBase>>>
       messageStoreOpsPtr;
   try {
     auto messageStoreOps = createMessageStoreOperations(rt, operations);
     messageStoreOpsPtr = std::make_shared<
         std::vector<std::unique_ptr<MessageStoreOperationBase>>>(
         std::move(messageStoreOps));
   } catch (std::runtime_error &e) {
     createOperationsError = e.what();
   }
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=]() {
           std::string error = createOperationsError;
 
           if (!error.size()) {
             try {
               DatabaseManager::getQueryExecutor().beginTransaction();
               for (const auto &operation : *messageStoreOpsPtr) {
                 operation->execute();
               }
               DatabaseManager::getQueryExecutor().commitTransaction();
             } catch (std::system_error &e) {
               error = e.what();
               DatabaseManager::getQueryExecutor().rollbackTransaction();
             }
           }
 
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         };
         this->databaseThread->scheduleTask(job);
       });
 }
 
 bool CommCoreModule::processMessageStoreOperationsSync(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::promise<bool> operationsResult;
   std::future<bool> operationsResultFuture = operationsResult.get_future();
 
   std::vector<std::unique_ptr<MessageStoreOperationBase>> messageStoreOps;
   std::string operationsError;
 
   try {
     messageStoreOps = createMessageStoreOperations(rt, operations);
   } catch (std::runtime_error &e) {
     return false;
   }
 
   this->databaseThread->scheduleTask(
       [=, &messageStoreOps, &operationsResult, &rt]() {
         std::string error = operationsError;
         if (!error.size()) {
           try {
             DatabaseManager::getQueryExecutor().beginTransaction();
             for (const auto &operation : messageStoreOps) {
               operation->execute();
             }
             DatabaseManager::getQueryExecutor().commitTransaction();
           } catch (std::system_error &e) {
             error = e.what();
             DatabaseManager::getQueryExecutor().rollbackTransaction();
           }
         }
         operationsResult.set_value(error.size() == 0);
       });
   return operationsResultFuture.get();
 }
 
 jsi::Value CommCoreModule::getAllThreads(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=, &innerRt]() {
           std::string error;
           std::vector<Thread> threadsVector;
           size_t numThreads;
           try {
             threadsVector = DatabaseManager::getQueryExecutor().getAllThreads();
             numThreads = threadsVector.size();
           } catch (std::system_error &e) {
             error = e.what();
           }
           auto threadsVectorPtr =
               std::make_shared<std::vector<Thread>>(std::move(threadsVector));
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
 
             jsi::Array jsiThreads = jsi::Array(innerRt, numThreads);
             size_t writeIdx = 0;
             for (const Thread &thread : *threadsVectorPtr) {
               jsi::Object jsiThread = jsi::Object(innerRt);
               jsiThread.setProperty(innerRt, "id", thread.id);
               jsiThread.setProperty(innerRt, "type", thread.type);
               jsiThread.setProperty(
                   innerRt,
                   "name",
                   thread.name
                       ? jsi::String::createFromUtf8(innerRt, *thread.name)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "description",
                   thread.description ? jsi::String::createFromUtf8(
                                            innerRt, *thread.description)
                                      : jsi::Value::null());
               jsiThread.setProperty(innerRt, "color", thread.color);
               jsiThread.setProperty(
                   innerRt,
                   "creationTime",
                   std::to_string(thread.creation_time));
               jsiThread.setProperty(
                   innerRt,
                   "parentThreadID",
                   thread.parent_thread_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.parent_thread_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "containingThreadID",
                   thread.containing_thread_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.containing_thread_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt,
                   "community",
                   thread.community
                       ? jsi::String::createFromUtf8(innerRt, *thread.community)
                       : jsi::Value::null());
               jsiThread.setProperty(innerRt, "members", thread.members);
               jsiThread.setProperty(innerRt, "roles", thread.roles);
               jsiThread.setProperty(
                   innerRt, "currentUser", thread.current_user);
               jsiThread.setProperty(
                   innerRt,
                   "sourceMessageID",
                   thread.source_message_id
                       ? jsi::String::createFromUtf8(
                             innerRt, *thread.source_message_id)
                       : jsi::Value::null());
               jsiThread.setProperty(
                   innerRt, "repliesCount", thread.replies_count);
 
               jsiThreads.setValueAtIndex(innerRt, writeIdx++, jsiThread);
             }
             promise->resolve(std::move(jsiThreads));
           });
         });
       });
 };
 
 jsi::Array CommCoreModule::getAllThreadsSync(jsi::Runtime &rt) {
-  std::promise<std::vector<Thread>> threadsResult;
-  auto threadsResultFuture = threadsResult.get_future();
-
-  this->databaseThread->scheduleTask([&threadsResult]() {
-    threadsResult.set_value(
-        DatabaseManager::getQueryExecutor().getAllThreads());
-  });
-
-  auto threadsVector = threadsResultFuture.get();
+  auto threadsVector = this->runSyncOrThrowJSError<std::vector<Thread>>(
+      rt, []() { return DatabaseManager::getQueryExecutor().getAllThreads(); });
   size_t numThreads{threadsVector.size()};
   jsi::Array jsiThreads = jsi::Array(rt, numThreads);
 
   size_t writeIdx = 0;
   for (const Thread &thread : threadsVector) {
     jsi::Object jsiThread = jsi::Object(rt);
     jsiThread.setProperty(rt, "id", thread.id);
     jsiThread.setProperty(rt, "type", thread.type);
     jsiThread.setProperty(
         rt,
         "name",
         thread.name ? jsi::String::createFromUtf8(rt, *thread.name)
                     : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "description",
         thread.description
             ? jsi::String::createFromUtf8(rt, *thread.description)
             : jsi::Value::null());
     jsiThread.setProperty(rt, "color", thread.color);
     jsiThread.setProperty(
         rt, "creationTime", std::to_string(thread.creation_time));
     jsiThread.setProperty(
         rt,
         "parentThreadID",
         thread.parent_thread_id
             ? jsi::String::createFromUtf8(rt, *thread.parent_thread_id)
             : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "containingThreadID",
         thread.containing_thread_id
             ? jsi::String::createFromUtf8(rt, *thread.containing_thread_id)
             : jsi::Value::null());
     jsiThread.setProperty(
         rt,
         "community",
         thread.community ? jsi::String::createFromUtf8(rt, *thread.community)
                          : jsi::Value::null());
     jsiThread.setProperty(rt, "members", thread.members);
     jsiThread.setProperty(rt, "roles", thread.roles);
     jsiThread.setProperty(rt, "currentUser", thread.current_user);
     jsiThread.setProperty(
         rt,
         "sourceMessageID",
         thread.source_message_id
             ? jsi::String::createFromUtf8(rt, *thread.source_message_id)
             : jsi::Value::null());
     jsiThread.setProperty(rt, "repliesCount", thread.replies_count);
 
     jsiThreads.setValueAtIndex(rt, writeIdx++, jsiThread);
   }
 
   return jsiThreads;
 }
 
 std::vector<std::unique_ptr<ThreadStoreOperationBase>>
 createThreadStoreOperations(jsi::Runtime &rt, const jsi::Array &operations) {
   std::vector<std::unique_ptr<ThreadStoreOperationBase>> threadStoreOps;
 
   for (size_t idx = 0; idx < operations.size(rt); idx++) {
     jsi::Object op = operations.getValueAtIndex(rt, idx).asObject(rt);
     std::string opType = op.getProperty(rt, "type").asString(rt).utf8(rt);
 
     if (opType == REMOVE_OPERATION) {
       std::vector<std::string> threadIDsToRemove;
       jsi::Object payloadObj = op.getProperty(rt, "payload").asObject(rt);
       jsi::Array threadIDs =
           payloadObj.getProperty(rt, "ids").asObject(rt).asArray(rt);
       for (int threadIdx = 0; threadIdx < threadIDs.size(rt); threadIdx++) {
         threadIDsToRemove.push_back(
             threadIDs.getValueAtIndex(rt, threadIdx).asString(rt).utf8(rt));
       }
       threadStoreOps.push_back(std::make_unique<RemoveThreadsOperation>(
           std::move(threadIDsToRemove)));
     } else if (opType == REMOVE_ALL_OPERATION) {
       threadStoreOps.push_back(std::make_unique<RemoveAllThreadsOperation>());
     } else if (opType == REPLACE_OPERATION) {
       jsi::Object threadObj = op.getProperty(rt, "payload").asObject(rt);
       std::string threadID =
           threadObj.getProperty(rt, "id").asString(rt).utf8(rt);
       int type = std::lround(threadObj.getProperty(rt, "type").asNumber());
       jsi::Value maybeName = threadObj.getProperty(rt, "name");
       std::unique_ptr<std::string> name = maybeName.isString()
           ? std::make_unique<std::string>(maybeName.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeDescription = threadObj.getProperty(rt, "description");
       std::unique_ptr<std::string> description = maybeDescription.isString()
           ? std::make_unique<std::string>(
                 maybeDescription.asString(rt).utf8(rt))
           : nullptr;
 
       std::string color =
           threadObj.getProperty(rt, "color").asString(rt).utf8(rt);
       int64_t creationTime = std::stoll(
           threadObj.getProperty(rt, "creationTime").asString(rt).utf8(rt));
 
       jsi::Value maybeParentThreadID =
           threadObj.getProperty(rt, "parentThreadID");
       std::unique_ptr<std::string> parentThreadID =
           maybeParentThreadID.isString()
           ? std::make_unique<std::string>(
                 maybeParentThreadID.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeContainingThreadID =
           threadObj.getProperty(rt, "containingThreadID");
       std::unique_ptr<std::string> containingThreadID =
           maybeContainingThreadID.isString()
           ? std::make_unique<std::string>(
                 maybeContainingThreadID.asString(rt).utf8(rt))
           : nullptr;
 
       jsi::Value maybeCommunity = threadObj.getProperty(rt, "community");
       std::unique_ptr<std::string> community = maybeCommunity.isString()
           ? std::make_unique<std::string>(maybeCommunity.asString(rt).utf8(rt))
           : nullptr;
 
       std::string members =
           threadObj.getProperty(rt, "members").asString(rt).utf8(rt);
       std::string roles =
           threadObj.getProperty(rt, "roles").asString(rt).utf8(rt);
       std::string currentUser =
           threadObj.getProperty(rt, "currentUser").asString(rt).utf8(rt);
 
       jsi::Value maybeSourceMessageID =
           threadObj.getProperty(rt, "sourceMessageID");
       std::unique_ptr<std::string> sourceMessageID =
           maybeSourceMessageID.isString()
           ? std::make_unique<std::string>(
                 maybeSourceMessageID.asString(rt).utf8(rt))
           : nullptr;
 
       int repliesCount =
           std::lround(threadObj.getProperty(rt, "repliesCount").asNumber());
       Thread thread{
           threadID,
           type,
           std::move(name),
           std::move(description),
           color,
           creationTime,
           std::move(parentThreadID),
           std::move(containingThreadID),
           std::move(community),
           members,
           roles,
           currentUser,
           std::move(sourceMessageID),
           repliesCount};
 
       threadStoreOps.push_back(
           std::make_unique<ReplaceThreadOperation>(std::move(thread)));
     } else {
       throw std::runtime_error("unsupported operation: " + opType);
     }
   };
   return threadStoreOps;
 }
 
 jsi::Value CommCoreModule::processThreadStoreOperations(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
   std::string operationsError;
   std::shared_ptr<std::vector<std::unique_ptr<ThreadStoreOperationBase>>>
       threadStoreOpsPtr;
   try {
     auto threadStoreOps = createThreadStoreOperations(rt, operations);
     threadStoreOpsPtr = std::make_shared<
         std::vector<std::unique_ptr<ThreadStoreOperationBase>>>(
         std::move(threadStoreOps));
   } catch (std::runtime_error &e) {
     operationsError = e.what();
   }
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=]() {
           std::string error = operationsError;
           if (!error.size()) {
             try {
               DatabaseManager::getQueryExecutor().beginTransaction();
               for (const auto &operation : *threadStoreOpsPtr) {
                 operation->execute();
               }
               DatabaseManager::getQueryExecutor().commitTransaction();
             } catch (std::system_error &e) {
               error = e.what();
               DatabaseManager::getQueryExecutor().rollbackTransaction();
             }
           }
           this->jsInvoker_->invokeAsync([=]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 bool CommCoreModule::processThreadStoreOperationsSync(
     jsi::Runtime &rt,
     const jsi::Array &operations) {
 
   std::promise<bool> operationsResult;
   std::future<bool> operationsResultFuture = operationsResult.get_future();
   std::vector<std::unique_ptr<ThreadStoreOperationBase>> threadStoreOps;
   std::string operationsError;
   try {
     threadStoreOps = createThreadStoreOperations(rt, operations);
   } catch (std::runtime_error &e) {
     return false;
   }
   this->databaseThread->scheduleTask(
       [=, &threadStoreOps, &operationsResult, &rt]() {
         std::string error = operationsError;
         if (!error.size()) {
           try {
             DatabaseManager::getQueryExecutor().beginTransaction();
             for (const auto &operation : threadStoreOps) {
               operation->execute();
             }
             DatabaseManager::getQueryExecutor().commitTransaction();
           } catch (std::system_error &e) {
             error = e.what();
             DatabaseManager::getQueryExecutor().rollbackTransaction();
           }
         }
         operationsResult.set_value(error.size() == 0);
       });
   return operationsResultFuture.get();
 }
 
 jsi::Value CommCoreModule::initializeCryptoAccount(
     jsi::Runtime &rt,
     const jsi::String &userId) {
   std::string userIdStr = userId.utf8(rt);
   folly::Optional<std::string> storedSecretKey =
       this->secureStore.get(this->secureStoreAccountDataKey);
   if (!storedSecretKey.hasValue()) {
     storedSecretKey = crypto::Tools::generateRandomString(64);
     this->secureStore.set(
         this->secureStoreAccountDataKey, storedSecretKey.value());
   }
 
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([=]() {
           crypto::Persist persist;
           std::string error;
           try {
             folly::Optional<std::string> accountData =
                 DatabaseManager::getQueryExecutor().getOlmPersistAccountData();
             if (accountData.hasValue()) {
               persist.account =
                   crypto::OlmBuffer(accountData->begin(), accountData->end());
               // handle sessions data
               std::vector<OlmPersistSession> sessionsData =
                   DatabaseManager::getQueryExecutor()
                       .getOlmPersistSessionsData();
               for (OlmPersistSession &sessionsDataItem : sessionsData) {
                 crypto::OlmBuffer sessionDataBuffer(
                     sessionsDataItem.session_data.begin(),
                     sessionsDataItem.session_data.end());
                 persist.sessions.insert(std::make_pair(
                     sessionsDataItem.target_user_id, sessionDataBuffer));
               }
             }
           } catch (std::system_error &e) {
             error = e.what();
           }
 
           this->cryptoThread->scheduleTask([=]() {
             std::string error;
             this->cryptoModule.reset(new crypto::CryptoModule(
                 userIdStr, storedSecretKey.value(), persist));
             if (persist.isEmpty()) {
               crypto::Persist newPersist =
                   this->cryptoModule->storeAsB64(storedSecretKey.value());
               this->databaseThread->scheduleTask([=]() {
                 std::string error;
                 try {
                   DatabaseManager::getQueryExecutor().storeOlmPersistData(
                       newPersist);
                 } catch (std::system_error &e) {
                   error = e.what();
                 }
                 this->jsInvoker_->invokeAsync([=]() {
                   if (error.size()) {
                     promise->reject(error);
                     return;
                   }
                   promise->resolve(jsi::Value::undefined());
                 });
               });
 
             } else {
               this->cryptoModule->restoreFromB64(
                   storedSecretKey.value(), persist);
               this->jsInvoker_->invokeAsync([=]() {
                 if (error.size()) {
                   promise->reject(error);
                   return;
                 }
                 promise->resolve(jsi::Value::undefined());
               });
             }
           });
         });
       });
 }
 
 void CommCoreModule::initializeNetworkModule(
     const std::string &userId,
     const std::string &deviceToken,
     const std::string &hostname) {
   GlobalNetworkSingleton::instance.scheduleOrRun(
       [=](NetworkModule &networkModule) {
         networkModule.initializeNetworkModule(userId, deviceToken, hostname);
       });
 }
 
 jsi::Value CommCoreModule::getUserPublicKey(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string result;
           if (this->cryptoModule == nullptr) {
             error = "user has not been initialized";
           } else {
             result = this->cryptoModule->getIdentityKeys();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::String::createFromUtf8(innerRt, result));
           });
         };
         this->cryptoThread->scheduleTask(job);
       });
 }
 
 jsi::Value CommCoreModule::getUserOneTimeKeys(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [=](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         taskType job = [=, &innerRt]() {
           std::string error;
           std::string result;
           if (this->cryptoModule == nullptr) {
             error = "user has not been initialized";
           } else {
             result = this->cryptoModule->getOneTimeKeys();
           }
           this->jsInvoker_->invokeAsync([=, &innerRt]() {
             if (error.size()) {
               promise->reject(error);
               return;
             }
             promise->resolve(jsi::String::createFromUtf8(innerRt, result));
           });
         };
         this->cryptoThread->scheduleTask(job);
       });
 }
 
 jsi::Object
 CommCoreModule::openSocket(jsi::Runtime &rt, const jsi::String &endpoint) {
   auto hostObject =
       std::make_shared<GRPCStreamHostObject>(rt, this->jsInvoker_);
   return jsi::Object::createFromHostObject(rt, hostObject);
 }
 
 CommCoreModule::CommCoreModule(
     std::shared_ptr<facebook::react::CallInvoker> jsInvoker)
     : facebook::react::CommCoreModuleSchemaCxxSpecJSI(jsInvoker),
       databaseThread(std::make_unique<WorkerThread>("database")),
       cryptoThread(std::make_unique<WorkerThread>("crypto")) {
   GlobalNetworkSingleton::instance.enableMultithreading();
 }
 
+CommCoreModule::CommCoreModule(
+    std::shared_ptr<facebook::react::CallInvoker> jsInvoker,
+    std::shared_ptr<WorkerThread> databaseThread)
+    : facebook::react::CommCoreModuleSchemaCxxSpecJSI(jsInvoker),
+      databaseThread(databaseThread),
+      cryptoThread(std::make_unique<WorkerThread>("crypto")) {
+  GlobalNetworkSingleton::instance.enableMultithreading();
+}
+
 double CommCoreModule::getCodeVersion(jsi::Runtime &rt) {
   return this->codeVersion;
 }
 
 jsi::Value
 CommCoreModule::setNotifyToken(jsi::Runtime &rt, const jsi::String &token) {
   auto notifyToken{token.utf8(rt)};
   return createPromiseAsJSIValue(
       rt,
       [this,
        notifyToken](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, notifyToken, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().setNotifyToken(notifyToken);
           } catch (std::system_error &e) {
             error = e.what();
           }
 
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::clearNotifyToken(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().clearNotifyToken();
           } catch (std::system_error &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 };
 
 jsi::Value
 CommCoreModule::setCurrentUserID(jsi::Runtime &rt, const jsi::String &userID) {
   auto currentUserID{userID.utf8(rt)};
   return createPromiseAsJSIValue(
       rt,
       [this,
        currentUserID](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise, currentUserID]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().setCurrentUserID(currentUserID);
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::getCurrentUserID(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, &innerRt, promise]() {
           std::string error;
           std::string result;
           try {
             result = DatabaseManager::getQueryExecutor().getCurrentUserID();
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([&innerRt, error, result, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::String::createFromUtf8(innerRt, result));
             }
           });
         });
       });
 }
 
 jsi::Value CommCoreModule::clearSensitiveData(jsi::Runtime &rt) {
   return createPromiseAsJSIValue(
       rt, [this](jsi::Runtime &innerRt, std::shared_ptr<Promise> promise) {
         this->databaseThread->scheduleTask([this, promise]() {
           std::string error;
           try {
             DatabaseManager::getQueryExecutor().clearSensitiveData();
           } catch (const std::exception &e) {
             error = e.what();
           }
           this->jsInvoker_->invokeAsync([error, promise]() {
             if (error.size()) {
               promise->reject(error);
             } else {
               promise->resolve(jsi::Value::undefined());
             }
           });
         });
       });
 }
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
index f6fb11cc1..f88f8c213 100644
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.h
@@ -1,75 +1,80 @@
 #pragma once
 
 #include "../CryptoTools/CryptoModule.h"
 #include "../Tools/CommSecureStore.h"
 #include "../Tools/WorkerThread.h"
 #include "../_generated/NativeModules.h"
 #include "../grpc/Client.h"
 #include <jsi/jsi.h>
 #include <memory>
 
 namespace comm {
 
 namespace jsi = facebook::jsi;
 
 class CommCoreModule : public facebook::react::CommCoreModuleSchemaCxxSpecJSI {
   const int codeVersion{144};
 
-  std::unique_ptr<WorkerThread> databaseThread;
+  std::shared_ptr<WorkerThread> databaseThread;
   std::unique_ptr<WorkerThread> cryptoThread;
 
   CommSecureStore secureStore;
   const std::string secureStoreAccountDataKey = "cryptoAccountDataKey";
   std::unique_ptr<crypto::CryptoModule> cryptoModule;
 
   std::unique_ptr<network::Client> networkClient;
 
+  template <class T>
+  T runSyncOrThrowJSError(jsi::Runtime &rt, std::function<T()> task);
   jsi::Value getDraft(jsi::Runtime &rt, const jsi::String &key) override;
   jsi::Value updateDraft(jsi::Runtime &rt, const jsi::Object &draft) override;
   jsi::Value moveDraft(
       jsi::Runtime &rt,
       const jsi::String &oldKey,
       const jsi::String &newKey) override;
   jsi::Value getAllDrafts(jsi::Runtime &rt) override;
   jsi::Value removeAllDrafts(jsi::Runtime &rt) override;
   jsi::Value getAllMessages(jsi::Runtime &rt) override;
   jsi::Array getAllMessagesSync(jsi::Runtime &rt) override;
   jsi::Value processMessageStoreOperations(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   bool processMessageStoreOperationsSync(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   jsi::Value getAllThreads(jsi::Runtime &rt) override;
   jsi::Array getAllThreadsSync(jsi::Runtime &rt) override;
   jsi::Value processThreadStoreOperations(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   bool processThreadStoreOperationsSync(
       jsi::Runtime &rt,
       const jsi::Array &operations) override;
   jsi::Value
   initializeCryptoAccount(jsi::Runtime &rt, const jsi::String &userId) override;
   jsi::Value getUserPublicKey(jsi::Runtime &rt) override;
   jsi::Value getUserOneTimeKeys(jsi::Runtime &rt) override;
   jsi::Object
   openSocket(jsi::Runtime &rt, const jsi::String &endpoint) override;
   double getCodeVersion(jsi::Runtime &rt) override;
   jsi::Value
   setNotifyToken(jsi::Runtime &rt, const jsi::String &token) override;
   jsi::Value clearNotifyToken(jsi::Runtime &rt) override;
   jsi::Value
   setCurrentUserID(jsi::Runtime &rt, const jsi::String &userID) override;
   jsi::Value getCurrentUserID(jsi::Runtime &rt) override;
   jsi::Value clearSensitiveData(jsi::Runtime &rt) override;
 
 public:
   CommCoreModule(std::shared_ptr<facebook::react::CallInvoker> jsInvoker);
+  CommCoreModule(
+      std::shared_ptr<facebook::react::CallInvoker> jsInvoker,
+      std::shared_ptr<WorkerThread> databaseThread);
 
   void initializeNetworkModule(
       const std::string &userId,
       const std::string &deviceToken,
       const std::string &hostname = "");
 };
 
 } // namespace comm
diff --git a/native/cpp/CommonCpp/NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.cpp b/native/cpp/CommonCpp/NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.cpp
index 8a218ee57..296e424e0 100644
--- a/native/cpp/CommonCpp/NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.cpp
+++ b/native/cpp/CommonCpp/NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.cpp
@@ -1,39 +1,40 @@
 #include "ThreadOperations.h"
 #include "../../../DatabaseManagers/DatabaseManager.h"
 #include "Logger.h"
 #include <folly/String.h>
 #include <folly/json.h>
 #include <stdexcept>
 
 namespace comm {
 void ThreadOperations::updateSQLiteUnreadStatus(
     std::string &threadID,
     bool unread) {
   std::unique_ptr<Thread> thread =
       DatabaseManager::getQueryExecutor().getThread(threadID);
   if (thread == nullptr) {
     throw std::runtime_error(
         "Attempted to update non-existing thread with ID:  " + threadID);
   }
   folly::dynamic updatedCurrentUser;
   try {
     updatedCurrentUser = folly::parseJson(thread->current_user);
   } catch (const folly::json::parse_error &e) {
     Logger::log(
         "Invalid json structure of current_user field of thread of id: " +
         threadID + ". Details: " + std::string(e.what()));
     return;
   }
   updatedCurrentUser["unread"] = unread;
   try {
     thread->current_user = folly::toJson(updatedCurrentUser);
   } catch (const folly::json::parse_error &e) {
     Logger::log(
         "Failed to serialize updated current_user JSON object. Details: " +
         std::string(e.what()));
     return;
   }
-
-  DatabaseManager::getQueryExecutor().replaceThread(*thread);
+  // Line below is temporarily blocked to establish
+  // whether it is a reason for the crash
+  // DatabaseManager::getQueryExecutor().replaceThread(*thread);
 }
 } // namespace comm
diff --git a/native/ios/Comm/AppDelegate.mm b/native/ios/Comm/AppDelegate.mm
index 53c67126b..729ed60d2 100644
--- a/native/ios/Comm/AppDelegate.mm
+++ b/native/ios/Comm/AppDelegate.mm
@@ -1,301 +1,327 @@
 #import "AppDelegate.h"
 
 #import "Orientation.h"
 #import "RNNotifications.h"
 #import <React/RCTBridge.h>
 #import <React/RCTBundleURLProvider.h>
 #import <React/RCTConvert.h>
 #import <React/RCTRootView.h>
 
 #import <React/RCTBridge+Private.h>
 #import <React/RCTCxxBridgeDelegate.h>
 #import <React/RCTJSIExecutorRuntimeInstaller.h>
 #import <cxxreact/JSExecutor.h>
 #import <jsireact/JSIExecutor.h>
 #import <reacthermes/HermesExecutorFactory.h>
 
 #import "CommCoreModule.h"
+#import "CommSecureStoreIOSWrapper.h"
 #import "GlobalNetworkSingleton.h"
 #import "Logger.h"
 #import "MessageOperationsUtilities.h"
 #import "NetworkModule.h"
 #import "SQLiteQueryExecutor.h"
 #import "TemporaryMessageStorage.h"
 #import "ThreadOperations.h"
 #import "Tools.h"
+#import "WorkerThread.h"
 #import <cstdio>
+#import <memory>
 #import <stdexcept>
 #import <string>
 
 #ifdef FB_SONARKIT_ENABLED
 #import <FlipperKit/FlipperClient.h>
 #import <FlipperKitLayoutPlugin/FlipperKitLayoutPlugin.h>
 #import <FlipperKitNetworkPlugin/FlipperKitNetworkPlugin.h>
 #import <FlipperKitReactPlugin/FlipperKitReactPlugin.h>
 #import <FlipperKitUserDefaultsPlugin/FKUserDefaultsPlugin.h>
 #import <SKIOSNetworkPlugin/SKIOSNetworkAdapter.h>
 static void InitializeFlipper(UIApplication *application) {
   FlipperClient *client = [FlipperClient sharedClient];
   SKDescriptorMapper *layoutDescriptorMapper =
       [[SKDescriptorMapper alloc] initWithDefaults];
   [client addPlugin:[[FlipperKitLayoutPlugin alloc]
                             initWithRootNode:application
                         withDescriptorMapper:layoutDescriptorMapper]];
   [client addPlugin:[[FKUserDefaultsPlugin alloc] initWithSuiteName:nil]];
   [client addPlugin:[FlipperKitReactPlugin new]];
   [client addPlugin:[[FlipperKitNetworkPlugin alloc]
                         initWithNetworkAdapter:[SKIOSNetworkAdapter new]]];
   [client start];
 }
 #endif
 
 #import <ReactCommon/RCTTurboModuleManager.h>
 
 #import <RNReanimated/REAInitializer.h>
 
 #import <UserNotifications/UserNotifications.h>
 
 NSString *const backgroundNotificationTypeKey = @"backgroundNotifType";
 NSString *const setUnreadStatusKey = @"setUnreadStatus";
 
 @interface AppDelegate () <
     RCTCxxBridgeDelegate,
     RCTTurboModuleManagerDelegate> {
 }
+@property(nonatomic, assign) std::shared_ptr<comm::WorkerThread>
+    globalDatabaseThread;
 @end
 
 @implementation AppDelegate
 
 - (BOOL)application:(UIApplication *)application
     willFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  NSString *secureStoreEncryptionKeyID = [NSString
+      stringWithUTF8String:
+          (comm::SQLiteQueryExecutor::secureStoreEncryptionKeyID.c_str())];
+  [[CommSecureStoreIOSWrapper sharedInstance]
+      migrateOptionsForKey:secureStoreEncryptionKeyID
+               withVersion:@"0"];
   [self attemptDatabaseInitialization];
+  [self attemptDatabaseThreadInitialization];
   return YES;
 }
 
 - (BOOL)application:(UIApplication *)application
     didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 #ifdef FB_SONARKIT_ENABLED
   InitializeFlipper(application);
 #endif
   [self moveMessagesToDatabase];
   RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self
                                             launchOptions:launchOptions];
   RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge
                                                    moduleName:@"Comm"
                                             initialProperties:nil];
   if (@available(iOS 13.0, *)) {
     rootView.backgroundColor = [UIColor systemBackgroundColor];
   } else {
     rootView.backgroundColor = [UIColor whiteColor];
   }
 
   self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
   UIViewController *rootViewController = [UIViewController new];
   rootViewController.view = rootView;
   self.window.rootViewController = rootViewController;
   [self.window makeKeyAndVisible];
   [super application:application didFinishLaunchingWithOptions:launchOptions];
 
   // This prevents a very small flicker from occurring before expo-splash-screen
   // is able to display
   UIView *launchScreenView =
       [[UIStoryboard storyboardWithName:@"SplashScreen"
                                  bundle:nil] instantiateInitialViewController]
           .view;
   launchScreenView.frame = self.window.bounds;
   rootView.loadingView = launchScreenView;
   rootView.loadingViewFadeDelay = 0;
   rootView.loadingViewFadeDuration = 0.001;
 
   return YES;
 }
 
 - (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge {
   // If you'd like to export some custom RCTBridgeModules that are not Expo
   // modules, add them here!
   return @[];
 }
 
 - (void)application:(UIApplication *)application
     didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
   [RNNotifications
       didRegisterForRemoteNotificationsWithDeviceToken:deviceToken];
 }
 
 - (void)application:(UIApplication *)application
     didFailToRegisterForRemoteNotificationsWithError:(NSError *)error {
   [RNNotifications didFailToRegisterForRemoteNotificationsWithError:error];
 }
 
 // Required for the notification event. You must call the completion handler
 // after handling the remote notification.
 - (void)application:(UIApplication *)application
     didReceiveRemoteNotification:(NSDictionary *)notification
           fetchCompletionHandler:
               (void (^)(UIBackgroundFetchResult))completionHandler {
   BOOL handled = NO;
   if (notification[@"aps"][@"content-available"] &&
       notification[backgroundNotificationTypeKey]) {
     handled = [self handleBackgroundNotification:notification
                           fetchCompletionHandler:completionHandler];
   }
 
   if (handled) {
     return;
   }
 
   [RNNotifications didReceiveRemoteNotification:notification
                          fetchCompletionHandler:completionHandler];
 }
 
 - (BOOL)handleBackgroundNotification:(NSDictionary *)notification
               fetchCompletionHandler:
                   (void (^)(UIBackgroundFetchResult))completionHandler {
   if ([notification[backgroundNotificationTypeKey] isEqualToString:@"PING"]) {
     comm::GlobalNetworkSingleton::instance.scheduleOrRun(
         [=](comm::NetworkModule &networkModule) {
           networkModule.sendPong();
           dispatch_async(dispatch_get_main_queue(), ^{
             completionHandler(UIBackgroundFetchResultNewData);
           });
         });
     return YES;
   } else if ([notification[backgroundNotificationTypeKey]
                  isEqualToString:@"CLEAR"]) {
     if (notification[setUnreadStatusKey] && notification[@"threadID"]) {
-      std::string threadID =
-          std::string([notification[@"threadID"] UTF8String]);
+      NSString *objcThreadID = notification[@"threadID"];
+      std::string threadID = std::string([objcThreadID UTF8String]);
       // this callback may be called from inactive state so we need
       // to initialize the database
       [self attemptDatabaseInitialization];
-      comm::ThreadOperations::updateSQLiteUnreadStatus(threadID, false);
+      [self attemptDatabaseThreadInitialization];
+      self.globalDatabaseThread->scheduleTask([threadID]() mutable {
+        comm::ThreadOperations::updateSQLiteUnreadStatus(threadID, false);
+      });
     }
     [[UNUserNotificationCenter currentNotificationCenter]
         getDeliveredNotificationsWithCompletionHandler:^(
             NSArray<UNNotification *> *notifications) {
           for (UNNotification *notif in notifications) {
             if ([notification[@"notificationId"]
                     isEqual:notif.request.content.userInfo[@"id"]]) {
               NSArray *identifiers =
                   [NSArray arrayWithObjects:notif.request.identifier, nil];
               [[UNUserNotificationCenter currentNotificationCenter]
                   removeDeliveredNotificationsWithIdentifiers:identifiers];
             }
           }
           dispatch_async(dispatch_get_main_queue(), ^{
             completionHandler(UIBackgroundFetchResultNewData);
           });
         }];
     return YES;
   }
   return NO;
 }
 
 // Required for the localNotification event.
 - (void)application:(UIApplication *)application
     didReceiveLocalNotification:(UILocalNotification *)notification {
   [RNNotifications didReceiveLocalNotification:notification];
 }
 
 - (UIInterfaceOrientationMask)application:(UIApplication *)application
     supportedInterfaceOrientationsForWindow:(UIWindow *)window {
   return [Orientation getOrientation];
 }
 
 - (NSURL *)sourceURLForBridge:(RCTBridge *)bridge {
 #if DEBUG
   return
       [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index"
                                                      fallbackResource:nil];
 #else
   return [[NSBundle mainBundle] URLForResource:@"main"
                                  withExtension:@"jsbundle"];
 #endif
 }
 
 using JSExecutorFactory = facebook::react::JSExecutorFactory;
 using HermesExecutorFactory = facebook::react::HermesExecutorFactory;
 using Runtime = facebook::jsi::Runtime;
 
 - (std::unique_ptr<JSExecutorFactory>)jsExecutorFactoryForBridge:
     (RCTBridge *)bridge {
   __weak __typeof(self) weakSelf = self;
 
   const auto commRuntimeInstaller = [weakSelf,
                                      bridge](facebook::jsi::Runtime &rt) {
     if (!bridge) {
       return;
     }
     __typeof(self) strongSelf = weakSelf;
     if (strongSelf) {
       std::shared_ptr<comm::CommCoreModule> nativeModule =
-          std::make_shared<comm::CommCoreModule>(bridge.jsCallInvoker);
+          std::make_shared<comm::CommCoreModule>(
+              bridge.jsCallInvoker, strongSelf.globalDatabaseThread);
 
       rt.global().setProperty(
           rt,
           facebook::jsi::PropNameID::forAscii(rt, "CommCoreModule"),
           facebook::jsi::Object::createFromHostObject(rt, nativeModule));
     }
   };
   const auto installer =
       reanimated::REAJSIExecutorRuntimeInstaller(bridge, commRuntimeInstaller);
 
   return std::make_unique<HermesExecutorFactory>(
       facebook::react::RCTJSIExecutorRuntimeInstaller(installer),
       JSIExecutor::defaultTimeoutInvoker,
       makeRuntimeConfig(3072));
 }
 
 - (void)attemptDatabaseInitialization {
   std::string sqliteFilePath =
       std::string([[Tools getSQLiteFilePath] UTF8String]);
   // Previous Comm versions used app group location for SQLite
   // database, so that NotificationService was able to acces it directly.
   // Unfortunately it caused errores related to system locks. The code
   // below re-migrates SQLite from app group to app specific location
   // on devices where previous Comm version was installed.
   NSString *appGroupSQLiteFilePath = [Tools getAppGroupSQLiteFilePath];
   if ([NSFileManager.defaultManager fileExistsAtPath:appGroupSQLiteFilePath] &&
       std::rename(
           std::string([appGroupSQLiteFilePath UTF8String]).c_str(),
           sqliteFilePath.c_str())) {
     throw std::runtime_error(
         "Failed to move SQLite database from app group to default location");
   }
   comm::SQLiteQueryExecutor::initialize(sqliteFilePath);
 }
 
+- (void)attemptDatabaseThreadInitialization {
+  if (self.globalDatabaseThread) {
+    return;
+  }
+  self.globalDatabaseThread = std::make_shared<comm::WorkerThread>("database");
+}
+
 - (void)moveMessagesToDatabase {
   TemporaryMessageStorage *temporaryStorage =
       [[TemporaryMessageStorage alloc] init];
   NSArray<NSString *> *messages = [temporaryStorage readAndClearMessages];
   for (NSString *message in messages) {
-    std::string messageInfos = std::string([message UTF8String]);
-    comm::MessageOperationsUtilities::storeMessageInfos(messageInfos);
+    std::shared_ptr<std::string> messageInfos =
+        std::make_shared<std::string>(std::string([message UTF8String]));
+    self.globalDatabaseThread->scheduleTask([messageInfos]() {
+      comm::MessageOperationsUtilities::storeMessageInfos(*messageInfos);
+    });
   }
 }
 
 // Copied from
 // ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/OnLoad.cpp
 static ::hermes::vm::RuntimeConfig
 makeRuntimeConfig(::hermes::vm::gcheapsize_t heapSizeMB) {
   namespace vm = ::hermes::vm;
   auto gcConfigBuilder =
       vm::GCConfig::Builder()
           .withName("RN")
           // For the next two arguments: avoid GC before TTI by initializing the
           // runtime to allocate directly in the old generation, but revert to
           // normal operation when we reach the (first) TTI point.
           .withAllocInYoung(false)
           .withRevertToYGAtTTI(true);
 
   if (heapSizeMB > 0) {
     gcConfigBuilder.withMaxHeapSize(heapSizeMB << 20);
   }
 
   return vm::RuntimeConfig::Builder()
       .withGCConfig(gcConfigBuilder.build())
       .build();
 }
 
 @end
diff --git a/native/ios/Comm/CommSecureStoreIOSWrapper.h b/native/ios/Comm/CommSecureStoreIOSWrapper.h
index ef7b40166..9406e5b9e 100644
--- a/native/ios/Comm/CommSecureStoreIOSWrapper.h
+++ b/native/ios/Comm/CommSecureStoreIOSWrapper.h
@@ -1,12 +1,13 @@
 #pragma once
 
 #import <EXSecureStore/EXSecureStore.h>
 
 #import <Foundation/Foundation.h>
 
 @interface CommSecureStoreIOSWrapper : NSObject
 + (id)sharedInstance;
 
 - (void)set:(NSString *)key value:(NSString *)value;
 - (NSString *)get:(NSString *)key;
+- (void)migrateOptionsForKey:(NSString *)key withVersion:(NSString *)version;
 @end
diff --git a/native/ios/Comm/CommSecureStoreIOSWrapper.mm b/native/ios/Comm/CommSecureStoreIOSWrapper.mm
index c309fd23a..c8a5f8ce4 100644
--- a/native/ios/Comm/CommSecureStoreIOSWrapper.mm
+++ b/native/ios/Comm/CommSecureStoreIOSWrapper.mm
@@ -1,67 +1,99 @@
 #import "CommSecureStoreIOSWrapper.h"
 
 #import "CommSecureStoreIOSWrapper.h"
 #import <ExpoModulesCore/EXModuleRegistryProvider.h>
 
 @interface CommSecureStoreIOSWrapper ()
 @property(nonatomic, strong) EXSecureStore *secureStore;
 @property(nonatomic, strong) NSDictionary *options;
 @end
 
 @interface EXSecureStore (CommEXSecureStore)
 - (BOOL)_setValue:(NSString *)value
           withKey:(NSString *)key
       withOptions:(NSDictionary *)options
             error:(NSError **)error;
 - (NSString *)_getValueWithKey:(NSString *)key
                    withOptions:(NSDictionary *)options
                          error:(NSError **)error;
+- (void)_deleteValueWithKey:(NSString *)key withOptions:(NSDictionary *)options;
 @end
 
 @implementation CommSecureStoreIOSWrapper
 
 #pragma mark Singleton Methods
 
 + (id)sharedInstance {
   static CommSecureStoreIOSWrapper *shared = nil;
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
     shared = [[self alloc] init];
     EXModuleRegistryProvider *moduleRegistryProvider =
         [[EXModuleRegistryProvider alloc] init];
     EXSecureStore *secureStore =
         (EXSecureStore *)[[moduleRegistryProvider moduleRegistry]
             getExportedModuleOfClass:EXSecureStore.class];
     shared.secureStore = secureStore;
+    shared.options =
+        @{@"keychainAccessible" : @(EXSecureStoreAccessibleAfterFirstUnlock)};
   });
   return shared;
 }
 
 - (void)set:(NSString *)key value:(NSString *)value {
   if ([self secureStore] == nil) {
     [NSException raise:@"secure store error"
                 format:@"secure store has not been initialized"];
   }
   NSError *error;
   [[self secureStore] _setValue:value
                         withKey:key
                     withOptions:[self options]
                           error:&error];
   if (error != nil) {
     [NSException raise:@"secure store error"
                 format:@"error occured when setting data"];
   }
 }
 
 - (NSString *)get:(NSString *)key {
   if ([self secureStore] == nil) {
     [NSException raise:@"secure store error"
                 format:@"secure store has not been initialized"];
   }
   NSError *error;
   return [[self secureStore] _getValueWithKey:key
                                   withOptions:[self options]
                                         error:&error];
 }
 
+- (void)migrateOptionsForKey:(NSString *)key withVersion:(NSString *)version {
+  NSString *secureStoreKeyVersionID = [key stringByAppendingString:@".version"];
+  NSString *failureProtectionCopyKey = [key stringByAppendingString:@".copy"];
+
+  NSString *secureStoreKeyVersion = [self get:secureStoreKeyVersionID];
+  if (secureStoreKeyVersion &&
+      [secureStoreKeyVersion isEqualToString:version]) {
+    return;
+  }
+
+  NSString *value = [self get:key];
+  NSString *valueCopy = [self get:failureProtectionCopyKey];
+
+  if (value) {
+    [self set:failureProtectionCopyKey value:value];
+    [[self secureStore] _deleteValueWithKey:key withOptions:[self options]];
+  } else if (valueCopy) {
+    value = valueCopy;
+  } else {
+    [self set:secureStoreKeyVersionID value:version];
+    return;
+  }
+
+  [self set:key value:value];
+  [self set:secureStoreKeyVersionID value:version];
+  [[self secureStore] _deleteValueWithKey:failureProtectionCopyKey
+                              withOptions:[self options]];
+}
+
 @end
diff --git a/native/redux/redux-setup.js b/native/redux/redux-setup.js
index b14ada5ff..4e997c438 100644
--- a/native/redux/redux-setup.js
+++ b/native/redux/redux-setup.js
@@ -1,493 +1,529 @@
 // @flow
 
+import { isEqual } from 'lodash/lang';
 import { AppState as NativeAppState, Platform, Alert } from 'react-native';
 import ExitApp from 'react-native-exit-app';
 import Orientation from 'react-native-orientation-locker';
 import { createStore, applyMiddleware, type Store, compose } from 'redux';
 import { persistStore, persistReducer } from 'redux-persist';
 import thunk from 'redux-thunk';
 
 import { setDeviceTokenActionTypes } from 'lib/actions/device-actions';
 import {
   logOutActionTypes,
   deleteAccountActionTypes,
   logInActionTypes,
   sqliteOpFailure,
 } from 'lib/actions/user-actions';
 import baseReducer from 'lib/reducers/master-reducer';
 import { processThreadStoreOperations } from 'lib/reducers/thread-reducer';
 import {
   invalidSessionDowngrade,
   invalidSessionRecovery,
 } from 'lib/shared/account-utils';
+import { isStaff } from 'lib/shared/user-utils';
 import { defaultEnabledApps } from 'lib/types/enabled-apps';
 import { defaultCalendarFilters } from 'lib/types/filter-types';
 import type { Dispatch, BaseAction } from 'lib/types/redux-types';
 import type { SetSessionPayload } from 'lib/types/session-types';
 import {
   defaultConnectionInfo,
   incrementalStateSyncActionType,
 } from 'lib/types/socket-types';
 import type { ThreadStoreOperation } from 'lib/types/thread-types';
 import { updateTypes } from 'lib/types/update-types';
 import { reduxLoggerMiddleware } from 'lib/utils/action-logger';
 import { setNewSessionActionType } from 'lib/utils/action-utils';
-import { convertMessageStoreOperationsToClientDBOperations } from 'lib/utils/message-ops-utils';
+import {
+  convertMessageStoreOperationsToClientDBOperations,
+  translateClientDBMessageInfosToRawMessageInfos,
+} from 'lib/utils/message-ops-utils';
 import { convertThreadStoreOperationsToClientDBOperations } from 'lib/utils/thread-ops-utils';
 
 import { defaultNavInfo } from '../navigation/default-state';
 import { getGlobalNavContext } from '../navigation/icky-global';
 import { activeMessageListSelector } from '../navigation/nav-selectors';
 import { defaultNotifPermissionAlertInfo } from '../push/alerts';
 import { reduceThreadIDsToNotifIDs } from '../push/reducer';
 import reactotron from '../reactotron';
 import { defaultDeviceCameraInfo } from '../types/camera';
 import { defaultConnectivityInfo } from '../types/connectivity';
 import { defaultGlobalThemeInfo } from '../types/themes';
 import {
   defaultURLPrefix,
   natNodeServer,
   setCustomServer,
   getDevServerHostname,
 } from '../utils/url-utils';
 import {
   resetUserStateActionType,
   recordNotifPermissionAlertActionType,
   recordAndroidNotificationActionType,
   clearAndroidNotificationsActionType,
   rescindAndroidNotificationActionType,
   updateDimensionsActiveType,
   updateConnectivityActiveType,
   updateThemeInfoActionType,
   updateDeviceCameraInfoActionType,
   updateDeviceOrientationActionType,
   updateThreadLastNavigatedActionType,
   backgroundActionTypes,
   setReduxStateActionType,
   type Action,
 } from './action-types';
 import { remoteReduxDevServerConfig } from './dev-tools';
 import { defaultDimensionsInfo } from './dimensions-updater.react';
 import { persistConfig, setPersistor } from './persist';
 import type { AppState } from './state-types';
 
 const defaultState = ({
   navInfo: defaultNavInfo,
   currentUserInfo: null,
   entryStore: {
     entryInfos: {},
     daysToEntries: {},
     lastUserInteractionCalendar: 0,
   },
   threadStore: {
     threadInfos: {},
   },
   userStore: {
     userInfos: {},
     inconsistencyReports: [],
   },
   messageStore: {
     messages: {},
     threads: {},
     local: {},
     currentAsOf: 0,
   },
   updatesCurrentAsOf: 0,
   loadingStatuses: {},
   calendarFilters: defaultCalendarFilters,
   cookie: null,
   deviceToken: null,
   dataLoaded: false,
   urlPrefix: defaultURLPrefix,
   customServer: natNodeServer,
   threadIDsToNotifIDs: {},
   notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
   connection: defaultConnectionInfo(Platform.OS),
   watchedThreadIDs: [],
   lifecycleState: 'active',
   enabledApps: defaultEnabledApps,
   reportStore: {
     enabledReports: {
       crashReports: __DEV__,
       inconsistencyReports: __DEV__,
       mediaReports: __DEV__,
     },
     queuedReports: [],
   },
   nextLocalID: 0,
   _persist: null,
   dimensions: defaultDimensionsInfo,
   connectivity: defaultConnectivityInfo,
   globalThemeInfo: defaultGlobalThemeInfo,
   deviceCameraInfo: defaultDeviceCameraInfo,
   deviceOrientation: Orientation.getInitialOrientation(),
   frozen: false,
 }: AppState);
 
 function reducer(state: AppState = defaultState, action: Action) {
   if (action.type === setReduxStateActionType) {
     return action.payload.state;
   }
 
   if (
     (action.type === setNewSessionActionType &&
       invalidSessionDowngrade(
         state,
         action.payload.sessionChange.currentUserInfo,
         action.payload.preRequestUserState,
       )) ||
     (action.type === logOutActionTypes.success &&
       invalidSessionDowngrade(
         state,
         action.payload.currentUserInfo,
         action.payload.preRequestUserState,
       )) ||
     (action.type === deleteAccountActionTypes.success &&
       invalidSessionDowngrade(
         state,
         action.payload.currentUserInfo,
         action.payload.preRequestUserState,
       ))
   ) {
     return state;
   }
   if (
     (action.type === setNewSessionActionType &&
       action.payload.sessionChange.currentUserInfo &&
       invalidSessionRecovery(
         state,
         action.payload.sessionChange.currentUserInfo,
         action.payload.source,
       )) ||
     (action.type === logInActionTypes.success &&
       invalidSessionRecovery(
         state,
         action.payload.currentUserInfo,
         action.payload.source,
       ))
   ) {
     return state;
   }
 
   const threadIDsToNotifIDs = reduceThreadIDsToNotifIDs(
     state.threadIDsToNotifIDs,
     action,
   );
   state = { ...state, threadIDsToNotifIDs };
   if (
     action.type === recordAndroidNotificationActionType ||
     action.type === clearAndroidNotificationsActionType ||
     action.type === rescindAndroidNotificationActionType
   ) {
     return state;
   }
 
   if (action.type === setCustomServer) {
     return {
       ...state,
       customServer: action.payload,
     };
   } else if (action.type === recordNotifPermissionAlertActionType) {
     return {
       ...state,
       notifPermissionAlertInfo: {
         totalAlerts: state.notifPermissionAlertInfo.totalAlerts + 1,
         lastAlertTime: action.payload.time,
       },
     };
   } else if (action.type === resetUserStateActionType) {
     const cookie =
       state.cookie && state.cookie.startsWith('anonymous=')
         ? state.cookie
         : null;
     const currentUserInfo =
       state.currentUserInfo && state.currentUserInfo.anonymous
         ? state.currentUserInfo
         : null;
     return {
       ...state,
       currentUserInfo,
       cookie,
     };
   } else if (action.type === updateDimensionsActiveType) {
     return {
       ...state,
       dimensions: {
         ...state.dimensions,
         ...action.payload,
       },
     };
   } else if (action.type === updateConnectivityActiveType) {
     return {
       ...state,
       connectivity: action.payload,
     };
   } else if (action.type === updateThemeInfoActionType) {
     return {
       ...state,
       globalThemeInfo: {
         ...state.globalThemeInfo,
         ...action.payload,
       },
     };
   } else if (action.type === updateDeviceCameraInfoActionType) {
     return {
       ...state,
       deviceCameraInfo: {
         ...state.deviceCameraInfo,
         ...action.payload,
       },
     };
   } else if (action.type === updateDeviceOrientationActionType) {
     return {
       ...state,
       deviceOrientation: action.payload,
     };
   } else if (action.type === setDeviceTokenActionTypes.success) {
     return {
       ...state,
       deviceToken: action.payload,
     };
   } else if (action.type === updateThreadLastNavigatedActionType) {
     const { threadID, time } = action.payload;
     if (state.messageStore.threads[threadID]) {
       state = {
         ...state,
         messageStore: {
           ...state.messageStore,
           threads: {
             ...state.messageStore.threads,
             [threadID]: {
               ...state.messageStore.threads[threadID],
               lastNavigatedTo: time,
             },
           },
         },
       };
     }
     return state;
   }
 
   if (action.type === setNewSessionActionType) {
     sessionInvalidationAlert(action.payload);
     state = {
       ...state,
       cookie: action.payload.sessionChange.cookie,
     };
   } else if (action.type === incrementalStateSyncActionType) {
     let wipeDeviceToken = false;
     for (const update of action.payload.updatesResult.newUpdates) {
       if (
         update.type === updateTypes.BAD_DEVICE_TOKEN &&
         update.deviceToken === state.deviceToken
       ) {
         wipeDeviceToken = true;
         break;
       }
     }
     if (wipeDeviceToken) {
       state = {
         ...state,
         deviceToken: null,
       };
     }
   }
 
   const baseReducerResult = baseReducer(state, (action: BaseAction));
   state = baseReducerResult.state;
 
   const { storeOperations } = baseReducerResult;
   const { threadStoreOperations, messageStoreOperations } = storeOperations;
 
   const fixUnreadActiveThreadResult = fixUnreadActiveThread(state, action);
   state = fixUnreadActiveThreadResult.state;
 
   const threadStoreOperationsWithUnreadFix = [
     ...threadStoreOperations,
     ...fixUnreadActiveThreadResult.threadStoreOperations,
   ];
 
   const convertedThreadStoreOperations = convertThreadStoreOperationsToClientDBOperations(
     threadStoreOperationsWithUnreadFix,
   );
   const convertedMessageStoreOperations = convertMessageStoreOperationsToClientDBOperations(
     messageStoreOperations,
   );
+
+  if (convertedMessageStoreOperations.length > 0) {
+    global.CommCoreModule.processMessageStoreOperationsSync(
+      convertedMessageStoreOperations,
+    );
+  }
+
+  const crashReportsEnabled = state.reportStore.enabledReports.crashReports;
+  const viewerID = state.currentUserInfo?.id;
+
+  try {
+    const messages = global.CommCoreModule.getAllMessagesSync();
+    const rawMsgsFromSQLite = translateClientDBMessageInfosToRawMessageInfos(
+      messages,
+    );
+
+    const ignoreList = [
+      '@@INIT',
+      'persist/REHYDRATE',
+      'persist/PERSIST',
+      'SET_THREAD_STORE',
+    ];
+    if (
+      !isEqual(rawMsgsFromSQLite, state.messageStore.messages) &&
+      !ignoreList.includes(action.type) &&
+      !action.type.includes('@@redux/INIT')
+    ) {
+      Alert.alert(`${action.type}: NOT EQUAL`);
+    }
+  } catch (e) {
+    if ((__DEV__ || (viewerID && isStaff(viewerID))) && crashReportsEnabled) {
+      throw e;
+    }
+    console.log(e.message);
+  }
+
   (async () => {
     try {
       const promises = [];
       if (convertedThreadStoreOperations.length > 0) {
         promises.push(
           global.CommCoreModule.processThreadStoreOperations(
             convertedThreadStoreOperations,
           ),
         );
       }
-      if (convertedMessageStoreOperations.length > 0) {
-        promises.push(
-          global.CommCoreModule.processMessageStoreOperations(
-            convertedMessageStoreOperations,
-          ),
-        );
-      }
       await Promise.all(promises);
     } catch {
       dispatch({
         type: setNewSessionActionType,
         payload: {
           sessionChange: {
             cookie: null,
             cookieInvalidated: false,
             currentUserInfo: state.currentUserInfo,
           },
           preRequestUserState: {
             currentUserInfo: state.currentUserInfo,
             sessionID: undefined,
             cookie: state.cookie,
           },
           error: null,
           source: sqliteOpFailure,
         },
       });
       await persistor.flush();
       ExitApp.exitApp();
     }
   })();
 
   return state;
 }
 
 function sessionInvalidationAlert(payload: SetSessionPayload) {
   if (
     !payload.sessionChange.cookieInvalidated ||
     !payload.preRequestUserState ||
     !payload.preRequestUserState.currentUserInfo ||
     payload.preRequestUserState.currentUserInfo.anonymous
   ) {
     return;
   }
   if (payload.error === 'client_version_unsupported') {
     const app = Platform.select({
       ios: 'App Store',
       android: 'Play Store',
     });
     Alert.alert(
       'App out of date',
       'Your app version is pretty old, and the server doesn’t know how to ' +
         `speak to it anymore. Please use the ${app} app to update!`,
       [{ text: 'OK' }],
       { cancelable: true },
     );
   } else {
     Alert.alert(
       'Session invalidated',
       'We’re sorry, but your session was invalidated by the server. ' +
         'Please log in again.',
       [{ text: 'OK' }],
       { cancelable: true },
     );
   }
 }
 
 // Makes sure a currently focused thread is never unread. Note that we consider
 // a backgrounded NativeAppState to actually be active if it last changed to
 // inactive more than 10 seconds ago. This is because there is a delay when
 // NativeAppState is updating in response to a foreground, and actions don't get
 // processed more than 10 seconds after a backgrounding anyways. However we
 // don't consider this for action types that can be expected to happen while the
 // app is backgrounded.
 type FixUnreadActiveThreadResult = {
   +state: AppState,
   +threadStoreOperations: $ReadOnlyArray<ThreadStoreOperation>,
 };
+
 function fixUnreadActiveThread(
   state: AppState,
   action: *,
 ): FixUnreadActiveThreadResult {
   const navContext = getGlobalNavContext();
   const activeThread = activeMessageListSelector(navContext);
   if (
     !activeThread ||
     !state.threadStore.threadInfos[activeThread]?.currentUser.unread ||
     (NativeAppState.currentState !== 'active' &&
       (appLastBecameInactive + 10000 >= Date.now() ||
         backgroundActionTypes.has(action.type)))
   ) {
     return { state, threadStoreOperations: [] };
   }
 
   const updatedActiveThreadInfo = {
     ...state.threadStore.threadInfos[activeThread],
     currentUser: {
       ...state.threadStore.threadInfos[activeThread].currentUser,
       unread: false,
     },
   };
 
   const threadStoreOperations = [
     {
       type: 'replace',
       payload: {
         id: activeThread,
         threadInfo: updatedActiveThreadInfo,
       },
     },
   ];
 
   const updatedThreadStore = processThreadStoreOperations(
     state.threadStore,
     threadStoreOperations,
   );
 
   return {
     state: { ...state, threadStore: updatedThreadStore },
     threadStoreOperations,
   };
 }
 
 let appLastBecameInactive = 0;
+
 function appBecameInactive() {
   appLastBecameInactive = Date.now();
 }
 
 const middlewares = [thunk, reduxLoggerMiddleware];
 if (__DEV__) {
   const createDebugger = require('redux-flipper').default;
   middlewares.push(createDebugger());
 }
 
 const middleware = applyMiddleware(...middlewares);
 
 let composeFunc = compose;
 if (__DEV__ && global.HermesInternal) {
   const { composeWithDevTools } = require('remote-redux-devtools/src');
   composeFunc = composeWithDevTools({
     name: 'Redux',
     hostname: getDevServerHostname(),
     ...remoteReduxDevServerConfig,
   });
 } else if (global.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__) {
   composeFunc = global.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
     name: 'Redux',
   });
 }
 
 let enhancers;
 if (reactotron) {
   enhancers = composeFunc(middleware, reactotron.createEnhancer());
 } else {
   enhancers = composeFunc(middleware);
 }
 
 const store: Store<AppState, *> = createStore(
   persistReducer(persistConfig, reducer),
   defaultState,
   enhancers,
 );
 const persistor = persistStore(store);
 setPersistor(persistor);
 
 const unsafeDispatch: any = store.dispatch;
 const dispatch: Dispatch = unsafeDispatch;
 
 export { store, dispatch, appBecameInactive };