diff --git a/src/components/common/UiLoader.tsx b/src/components/common/UiLoader.tsx
index 19c51ddff..8f19421a0 100644
--- a/src/components/common/UiLoader.tsx
+++ b/src/components/common/UiLoader.tsx
@@ -186,7 +186,7 @@ export default withGlobal<OwnProps>(
       shouldSkipHistoryAnimations: tabState.shouldSkipHistoryAnimations,
       uiReadyState: tabState.uiReadyState,
       isRightColumnShown: selectIsRightColumnShown(global, isMobile),
-      leftColumnWidth: tabState.leftColumnWidth,
+      leftColumnWidth: global.leftColumnWidth,
       theme,
     };
   },
diff --git a/src/components/left/LeftColumn.tsx b/src/components/left/LeftColumn.tsx
index 3a0c8af08..25e98fe1a 100644
--- a/src/components/left/LeftColumn.tsx
+++ b/src/components/left/LeftColumn.tsx
@@ -488,11 +488,11 @@ export default memo(withGlobal(
         date,
       },
       shouldSkipHistoryAnimations,
-      leftColumnWidth,
       activeChatFolder,
       nextSettingsScreen,
     } = tabState;
     const {
+      leftColumnWidth,
       currentUserId,
       passcode: {
         hasPasscode,
diff --git a/src/components/left/main/ChatList.tsx b/src/components/left/main/ChatList.tsx
index cf5e0164b..a6ca83222 100644
--- a/src/components/left/main/ChatList.tsx
+++ b/src/components/left/main/ChatList.tsx
@@ -152,7 +152,7 @@ const ChatList: FC<OwnProps> = ({
       const expendedOffsetTop = currentChatListHeight;
       const collapsedOffsetTop = (viewportOffset + i) * CHAT_HEIGHT_PX;
 
-      currentChatListHeight += (selectChat(global, id)!.isForum ? CHAT_HEIGHT_FORUM_PX : CHAT_HEIGHT_PX);
+      currentChatListHeight += (selectChat(global, id)?.isForum ? CHAT_HEIGHT_FORUM_PX : CHAT_HEIGHT_PX);
 
       return (
         <Chat
diff --git a/src/global/actions/api/sync.ts b/src/global/actions/api/sync.ts
index 9d24823fa..c205b7158 100644
--- a/src/global/actions/api/sync.ts
+++ b/src/global/actions/api/sync.ts
@@ -35,6 +35,7 @@ import {
   selectTabState,
 } from '../../selectors';
 import { init as initFolderManager } from '../../../util/folderManager';
+import { updateTabState } from '../../reducers/tabs';
 
 const RELEASE_STATUS_TIMEOUT = 15000; // 15 sec;
 
@@ -96,6 +97,8 @@ async function loadAndReplaceMessages<T extends GlobalState>(global: T, actions:
 
   global = getGlobal();
 
+  let wasReset = false;
+
   for (const { id: tabId } of Object.values(global.byTabId)) {
     global = getGlobal();
     const { chatId: currentChatId, threadId: currentThreadId } = selectCurrentMessageList(global, tabId) || {};
@@ -137,9 +140,32 @@ async function loadAndReplaceMessages<T extends GlobalState>(global: T, actions:
         const byId = buildCollectionByKey(allMessages, 'id');
         const listedIds = Object.keys(byId).map(Number);
 
+        if (!wasReset) {
+          global = {
+            ...global,
+            messages: {
+              ...global.messages,
+              byChatId: {},
+            },
+          };
+          // eslint-disable-next-line @typescript-eslint/no-loop-func
+          Object.values(global.byTabId).forEach(({ id: otherTabId }) => {
+            global = updateTabState(global, {
+              tabThreads: {},
+            }, otherTabId);
+          });
+          wasReset = true;
+        }
+
         global = addChatMessagesById(global, activeCurrentChatId, byId);
         global = updateListedIds(global, activeCurrentChatId, activeThreadId, listedIds);
-        global = safeReplaceViewportIds(global, activeCurrentChatId, activeThreadId, listedIds, tabId);
+        // eslint-disable-next-line @typescript-eslint/no-loop-func
+        Object.values(global.byTabId).forEach(({ id: otherTabId }) => {
+          const { chatId: otherChatId, threadId: otherThreadId } = selectCurrentMessageList(global, otherTabId) || {};
+          if (otherChatId === activeCurrentChatId && otherThreadId === activeThreadId) {
+            global = safeReplaceViewportIds(global, activeCurrentChatId, activeThreadId, listedIds, otherTabId);
+          }
+        });
         global = updateChats(global, buildCollectionByKey(result.chats, 'id'));
         global = updateUsers(global, buildCollectionByKey(result.users, 'id'));
         global = updateThreadInfos(global, activeCurrentChatId, result.repliesThreadInfos);
@@ -176,6 +202,14 @@ async function loadAndReplaceMessages<T extends GlobalState>(global: T, actions:
         byChatId: {},
       },
     };
+    // eslint-disable-next-line @typescript-eslint/no-loop-func
+    Object.values(global.byTabId).forEach(({ id: otherTabId }) => {
+      global = updateTabState(global, {
+        tabThreads: {},
+      }, otherTabId);
+    });
+
+    setGlobal(global);
   }
 
   Object.values(global.byTabId).forEach(({ id: tabId }) => {
diff --git a/src/global/actions/ui/messages.ts b/src/global/actions/ui/messages.ts
index 624b54223..0c259c05e 100644
--- a/src/global/actions/ui/messages.ts
+++ b/src/global/actions/ui/messages.ts
@@ -749,7 +749,7 @@ addActionHandler('openReactorListModal', (global, actions, payload): ActionRetur
 });
 
 addActionHandler('closeReactorListModal', (global, actions, payload): ActionReturnType => {
-  const { tabId = getCurrentTabId() } = payload;
+  const { tabId = getCurrentTabId() } = payload || {};
 
   return updateTabState(global, {
     reactorModal: undefined,
@@ -765,7 +765,7 @@ addActionHandler('openSeenByModal', (global, actions, payload): ActionReturnType
 });
 
 addActionHandler('closeSeenByModal', (global, actions, payload): ActionReturnType => {
-  const { tabId = getCurrentTabId() } = payload;
+  const { tabId = getCurrentTabId() } = payload || {};
 
   return updateTabState(global, {
     seenByModal: undefined,
diff --git a/src/global/actions/ui/misc.ts b/src/global/actions/ui/misc.ts
index f0252eff1..92c6ee4ec 100644
--- a/src/global/actions/ui/misc.ts
+++ b/src/global/actions/ui/misc.ts
@@ -32,18 +32,19 @@ addActionHandler('toggleChatInfo', (global, actions, payload): ActionReturnType
 });
 
 addActionHandler('setLeftColumnWidth', (global, actions, payload): ActionReturnType => {
-  const { leftColumnWidth, tabId = getCurrentTabId() } = payload;
+  const { leftColumnWidth } = payload;
 
-  return updateTabState(global, {
+  return {
+    ...global,
     leftColumnWidth,
-  }, tabId);
+  };
 });
 
-addActionHandler('resetLeftColumnWidth', (global, actions, payload): ActionReturnType => {
-  const { tabId = getCurrentTabId() } = payload || {};
-  return updateTabState(global, {
+addActionHandler('resetLeftColumnWidth', (global): ActionReturnType => {
+  return {
+    ...global,
     leftColumnWidth: undefined,
-  }, tabId);
+  };
 });
 
 addActionHandler('toggleManagement', (global, actions, payload): ActionReturnType => {
diff --git a/src/global/cache.ts b/src/global/cache.ts
index 6b11143fa..236c0cfb4 100644
--- a/src/global/cache.ts
+++ b/src/global/cache.ts
@@ -383,6 +383,7 @@ export function serializeGlobal<T extends GlobalState>(global: T) {
       'push',
       'serviceNotifications',
       'attachmentSettings',
+      'leftColumnWidth',
     ]),
     customEmojis: reduceCustomEmojis(global),
     users: reduceUsers(global),
@@ -510,12 +511,21 @@ function reduceMessages<T extends GlobalState>(global: T): GlobalState['messages
     }
 
     const viewportIdsToSave = unique(Object.values(threadsToSave).flatMap((thread) => thread.lastViewportIds || []));
-    const lastMessagesToSave = chat?.topics
+    const lastMessageIdsToSave = chat?.topics
       ? Object.values(chat.topics).map(({ lastMessageId }) => lastMessageId) : [];
+    const byId = pick(current.byId, viewportIdsToSave.concat(lastMessageIdsToSave));
+    const threadsById = Object.keys(threadsToSave).reduce((acc, key) => {
+      const t = threadsToSave[Number(key)];
+      acc[Number(key)] = {
+        ...t,
+        listedIds: t.lastViewportIds,
+      };
+      return acc;
+    }, {} as GlobalState['messages']['byChatId'][string]['threadsById']);
 
     byChatId[chatId] = {
-      byId: pick(current.byId, viewportIdsToSave.concat(lastMessagesToSave)),
-      threadsById: threadsToSave,
+      byId,
+      threadsById,
     };
   });
 
diff --git a/src/global/init.ts b/src/global/init.ts
index a21967f83..1bbac9d10 100644
--- a/src/global/init.ts
+++ b/src/global/init.ts
@@ -6,7 +6,7 @@ import { INITIAL_GLOBAL_STATE, INITIAL_TAB_STATE } from './initialState';
 import { IS_MOCKED_CLIENT } from '../config';
 import { initCache, loadCache } from './cache';
 import { cloneDeep } from '../util/iteratees';
-import { replaceTabThreadParam, updatePasscodeSettings } from './reducers';
+import { replaceTabThreadParam, replaceThreadParam, updatePasscodeSettings } from './reducers';
 import { clearStoredSession } from '../util/sessions';
 import { parseLocationHash } from '../util/routing';
 import { MAIN_THREAD_ID } from '../api/types';
@@ -14,7 +14,7 @@ import { selectTabState, selectThreadParam } from './selectors';
 import { Bundles, loadBundle } from '../util/moduleLoader';
 import { getCurrentTabId, reestablishMasterToSelf } from '../util/establishMultitabRole';
 import { updateTabState } from './reducers/tabs';
-import type { ActionReturnType } from './types';
+import type { ActionReturnType, GlobalState } from './types';
 import { getIsMobile } from '../hooks/useAppLayout';
 
 initCache();
@@ -61,15 +61,49 @@ addActionHandler('init', (global, actions, payload): ActionReturnType => {
   }
 
   Object.keys(global.messages.byChatId).forEach((chatId) => {
+    const lastViewportIds = selectThreadParam(global, chatId, MAIN_THREAD_ID, 'lastViewportIds');
+    // Check if migration from previous version is faulty
+    if (!lastViewportIds?.every((id) => global.messages.byChatId[chatId]?.byId[id])) {
+      global = replaceThreadParam(global, chatId, MAIN_THREAD_ID, 'lastViewportIds', undefined);
+      return;
+    }
     global = replaceTabThreadParam(
       global,
       chatId,
       MAIN_THREAD_ID,
       'viewportIds',
-      selectThreadParam(global, chatId, MAIN_THREAD_ID, 'lastViewportIds'),
+      lastViewportIds,
       tabId,
     );
   });
+
+  // Temporary state fix
+  Object.keys(global.messages.byChatId).forEach((chatId) => {
+    const threadsById = global.messages.byChatId[chatId].threadsById;
+    const fixedThreadsById = Object.keys(threadsById).reduce((acc, key) => {
+      const t = threadsById[Number(key)];
+      acc[Number(key)] = {
+        ...t,
+        listedIds: t.lastViewportIds,
+      };
+      return acc;
+    }, {} as GlobalState['messages']['byChatId'][string]['threadsById']);
+
+    global = {
+      ...global,
+      messages: {
+        ...global.messages,
+        byChatId: {
+          ...global.messages.byChatId,
+          [chatId]: {
+            ...global.messages.byChatId[chatId],
+            threadsById: fixedThreadsById,
+          },
+        },
+      },
+    };
+  });
+
   const parsedMessageList = !getIsMobile() ? parseLocationHash() : undefined;
 
   if (global.authState !== 'authorizationStateReady'
@@ -101,8 +135,8 @@ addActionHandler('requestMasterAndCallAction', async (
 
   if (global.phoneCall || global.groupCalls.activeGroupCallId) {
     await loadBundle(Bundles.Calls);
-    actions.hangUp({ tabId });
-    actions.leaveGroupCall({ tabId });
+    if ('hangUp' in actions) actions.hangUp({ tabId });
+    if ('leaveGroupCall' in actions) actions.leaveGroupCall({ tabId });
   } else {
     reestablishMasterToSelf();
   }
diff --git a/src/global/reducers/reactions.ts b/src/global/reducers/reactions.ts
index 0aa7663d6..6f2d5aa54 100644
--- a/src/global/reducers/reactions.ts
+++ b/src/global/reducers/reactions.ts
@@ -34,7 +34,7 @@ function getLeftColumnWidth(windowWidth: number) {
 export function subtractXForEmojiInteraction(global: GlobalState, x: number) {
   const tabState = selectTabState(global);
   return x - ((tabState.isLeftColumnShown && !getIsMobile())
-    ? tabState.leftColumnWidth || getLeftColumnWidth(windowSize.get().width)
+    ? global.leftColumnWidth || getLeftColumnWidth(windowSize.get().width)
     : 0);
 }
 
diff --git a/src/global/types.ts b/src/global/types.ts
index 0ff7c7e4b..45d9a4ae4 100644
--- a/src/global/types.ts
+++ b/src/global/types.ts
@@ -173,7 +173,6 @@ export type TabState = {
   uiReadyState: 0 | 1 | 2;
   shouldInit: boolean;
   shouldSkipHistoryAnimations?: boolean;
-  leftColumnWidth?: number;
 
   gifSearch: {
     query?: string;
@@ -534,6 +533,7 @@ export type GlobalState = {
   lastSyncTime?: number;
   serverTimeOffset: number;
   blurredTabTokens: number[];
+  leftColumnWidth?: number;
   initialUnreadNotifications?: number;
   notificationIndex?: number;
   allNotificationsCount?: number;
@@ -1315,8 +1315,8 @@ export interface ActionPayloads {
   disableHistoryAnimations: WithTabId | undefined;
   setLeftColumnWidth: {
     leftColumnWidth: number;
-  } & WithTabId;
-  resetLeftColumnWidth: WithTabId | undefined;
+  };
+  resetLeftColumnWidth: undefined;
 
   copySelectedMessages: WithTabId;
   copyMessagesByIds: {
@@ -1326,8 +1326,8 @@ export interface ActionPayloads {
     chatId: string;
     messageId: number;
   } & WithTabId;
-  closeSeenByModal: WithTabId;
-  closeReactorListModal: WithTabId;
+  closeSeenByModal: WithTabId | undefined;
+  closeReactorListModal: WithTabId | undefined;
   openReactorListModal: {
     chatId: string;
     messageId: number;