diff --git a/lib/reducers/db-ops-reducer.test.js b/lib/reducers/db-ops-reducer.test.js
index 9cb8e3808..e6b4cfbba 100644
--- a/lib/reducers/db-ops-reducer.test.js
+++ b/lib/reducers/db-ops-reducer.test.js
@@ -1,34 +1,35 @@
 // @flow
 
 import { reduceDBOpsStore } from './db-ops-reducer.js';
 import { opsProcessingFinishedActionType } from '../actions/db-ops-actions.js';
 import type { DBOpsStore } from '../types/db-ops-types.js';
 
 const emptyOps = {
   draftStoreOperations: [],
   threadStoreOperations: [],
   messageStoreOperations: [],
   reportStoreOperations: [],
   userStoreOperations: [],
   keyserverStoreOperations: [],
   communityStoreOperations: [],
   integrityStoreOperations: [],
+  syncedMetadataStoreOperations: [],
 };
 
 describe('DB ops reducer', () => {
   const store: DBOpsStore = {
     queuedOps: [
       { ops: emptyOps, messageID: '5' },
       { ops: emptyOps },
       { ops: null, messageID: '7' },
     ],
   };
 
   it('should remove the first entry', () => {
     const newState = reduceDBOpsStore(store, {
       type: opsProcessingFinishedActionType,
     });
     expect(newState.queuedOps.length).toEqual(2);
     expect(newState.queuedOps[1].messageID).toEqual('7');
   });
 });
diff --git a/lib/reducers/master-reducer.js b/lib/reducers/master-reducer.js
index d1dc65402..1492ec84d 100644
--- a/lib/reducers/master-reducer.js
+++ b/lib/reducers/master-reducer.js
@@ -1,228 +1,234 @@
 // @flow
 
 import reduceCalendarFilters from './calendar-filters-reducer.js';
 import { reduceCommunityStore } from './community-reducer.js';
 import reduceCustomerServer from './custom-server-reducer.js';
 import reduceDataLoaded from './data-loaded-reducer.js';
 import { reduceDBOpsStore } from './db-ops-reducer.js';
 import { reduceDraftStore } from './draft-reducer.js';
 import reduceEnabledApps from './enabled-apps-reducer.js';
 import { reduceEntryInfos } from './entry-reducer.js';
 import { reduceIntegrityStore } from './integrity-reducer.js';
 import reduceInviteLinks from './invite-links-reducer.js';
 import reduceKeyserverStore from './keyserver-reducer.js';
 import reduceLifecycleState from './lifecycle-state-reducer.js';
 import { reduceLoadingStatuses } from './loading-reducer.js';
 import reduceNextLocalID from './local-id-reducer.js';
 import { reduceMessageStore } from './message-reducer.js';
 import reduceBaseNavInfo from './nav-reducer.js';
 import { reduceNotifPermissionAlertInfo } from './notif-permission-alert-info-reducer.js';
 import policiesReducer from './policies-reducer.js';
 import reduceReportStore from './report-store-reducer.js';
 import reduceServicesAccessToken from './services-access-token-reducer.js';
+import { reduceSyncedMetadataStore } from './synced-metadata-reducer.js';
 import reduceGlobalThemeInfo from './theme-reducer.js';
 import { reduceThreadActivity } from './thread-activity-reducer.js';
 import { reduceThreadInfos } from './thread-reducer.js';
 import { reduceCurrentUserInfo, reduceUserInfos } from './user-reducer.js';
 import { addKeyserverActionType } from '../actions/keyserver-actions.js';
 import { siweAuthActionTypes } from '../actions/siwe-actions.js';
 import {
   keyserverRegisterActionTypes,
   logInActionTypes,
   keyserverAuthActionTypes,
 } from '../actions/user-actions.js';
 import {
   keyserverStoreOpsHandlers,
   type ReplaceKeyserverOperation,
 } from '../ops/keyserver-store-ops.js';
 import { isStaff } from '../shared/staff-utils.js';
 import type { BaseNavInfo } from '../types/nav-types.js';
 import type { BaseAppState, BaseAction } from '../types/redux-types.js';
 import {
   fullStateSyncActionType,
   incrementalStateSyncActionType,
 } from '../types/socket-types.js';
 import type { StoreOperations } from '../types/store-ops-types.js';
 import { isDev } from '../utils/dev-utils.js';
 
 export default function baseReducer<N: BaseNavInfo, T: BaseAppState<N>>(
   state: T,
   action: BaseAction,
   onStateDifference: (message: string) => mixed,
 ): { state: T, storeOperations: StoreOperations } {
   const { threadStore, newThreadInconsistencies, threadStoreOperations } =
     reduceThreadInfos(state.threadStore, action);
   const { threadInfos } = threadStore;
 
   const [entryStore, newEntryInconsistencies] = reduceEntryInfos(
     state.entryStore,
     action,
     threadInfos,
   );
 
   const onStateDifferenceForStaff = (message: string) => {
     const isCurrentUserStaff = state.currentUserInfo?.id
       ? isStaff(state.currentUserInfo.id)
       : false;
     if (isCurrentUserStaff || isDev) {
       onStateDifference(message);
     }
   };
 
   const [userStore, newUserInconsistencies, userStoreOperations] =
     reduceUserInfos(state.userStore, action, onStateDifferenceForStaff);
 
   const newInconsistencies = [
     ...newEntryInconsistencies,
     ...newThreadInconsistencies,
     ...newUserInconsistencies,
   ];
   // Only allow checkpoints to increase if we are connected
   // or if the action is a STATE_SYNC
   const { messageStoreOperations, messageStore: reducedMessageStore } =
     reduceMessageStore(state.messageStore, action, threadInfos);
   let messageStore = reducedMessageStore;
 
   let { keyserverStore, keyserverStoreOperations } = reduceKeyserverStore(
     state.keyserverStore,
     action,
     onStateDifferenceForStaff,
   );
 
   if (
     action.type !== incrementalStateSyncActionType &&
     action.type !== fullStateSyncActionType &&
     action.type !== keyserverRegisterActionTypes.success &&
     action.type !== logInActionTypes.success &&
     action.type !== siweAuthActionTypes.success &&
     action.type !== keyserverAuthActionTypes.success &&
     action.type !== addKeyserverActionType
   ) {
     const replaceOperations: ReplaceKeyserverOperation[] = [];
     for (const keyserverID in keyserverStore.keyserverInfos) {
       if (
         keyserverStore.keyserverInfos[keyserverID].connection.status ===
         'connected'
       ) {
         continue;
       }
       if (
         messageStore.currentAsOf[keyserverID] !==
         state.messageStore.currentAsOf[keyserverID]
       ) {
         messageStore = {
           ...messageStore,
           currentAsOf: {
             ...messageStore.currentAsOf,
             [keyserverID]: state.messageStore.currentAsOf[keyserverID],
           },
         };
       }
       if (
         state.keyserverStore.keyserverInfos[keyserverID] &&
         keyserverStore.keyserverInfos[keyserverID].updatesCurrentAsOf !==
           state.keyserverStore.keyserverInfos[keyserverID].updatesCurrentAsOf
       ) {
         replaceOperations.push({
           type: 'replace_keyserver',
           payload: {
             id: keyserverID,
             keyserverInfo: {
               ...keyserverStore.keyserverInfos[keyserverID],
               updatesCurrentAsOf:
                 state.keyserverStore.keyserverInfos[keyserverID]
                   .updatesCurrentAsOf,
             },
           },
         });
       }
     }
 
     keyserverStore = keyserverStoreOpsHandlers.processStoreOperations(
       keyserverStore,
       replaceOperations,
     );
     keyserverStoreOperations = [
       ...keyserverStoreOperations,
       ...replaceOperations,
     ];
   }
 
   const { draftStore, draftStoreOperations } = reduceDraftStore(
     state.draftStore,
     action,
   );
 
   const { reportStore, reportStoreOperations } = reduceReportStore(
     state.reportStore,
     action,
     newInconsistencies,
   );
 
   const { communityStore, communityStoreOperations } = reduceCommunityStore(
     state.communityStore,
     action,
   );
 
   const { integrityStore, integrityStoreOperations } = reduceIntegrityStore(
     state.integrityStore,
     action,
     onStateDifferenceForStaff,
     threadInfos,
     threadStoreOperations,
   );
 
+  const { syncedMetadataStore, syncedMetadataStoreOperations } =
+    reduceSyncedMetadataStore(state.syncedMetadataStore, action);
+
   return {
     state: {
       ...state,
       navInfo: reduceBaseNavInfo(state.navInfo, action),
       draftStore,
       entryStore,
       loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       currentUserInfo: reduceCurrentUserInfo(state.currentUserInfo, action),
       threadStore,
       userStore,
       messageStore,
       calendarFilters: reduceCalendarFilters(
         state.calendarFilters,
         action,
         threadStore,
       ),
       notifPermissionAlertInfo: reduceNotifPermissionAlertInfo(
         state.notifPermissionAlertInfo,
         action,
       ),
       lifecycleState: reduceLifecycleState(state.lifecycleState, action),
       enabledApps: reduceEnabledApps(state.enabledApps, action),
       reportStore,
       nextLocalID: reduceNextLocalID(state.nextLocalID, action),
       dataLoaded: reduceDataLoaded(state.dataLoaded, action),
       userPolicies: policiesReducer(state.userPolicies, action),
       commServicesAccessToken: reduceServicesAccessToken(
         state.commServicesAccessToken,
         action,
       ),
       inviteLinksStore: reduceInviteLinks(state.inviteLinksStore, action),
       keyserverStore,
       threadActivityStore: reduceThreadActivity(
         state.threadActivityStore,
         action,
       ),
       integrityStore,
       globalThemeInfo: reduceGlobalThemeInfo(state.globalThemeInfo, action),
       customServer: reduceCustomerServer(state.customServer, action),
       communityStore,
       dbOpsStore: reduceDBOpsStore(state.dbOpsStore, action),
+      syncedMetadataStore,
     },
     storeOperations: {
       draftStoreOperations,
       threadStoreOperations,
       messageStoreOperations,
       reportStoreOperations,
       userStoreOperations,
       keyserverStoreOperations,
       communityStoreOperations,
       integrityStoreOperations,
+      syncedMetadataStoreOperations,
     },
   };
 }
diff --git a/lib/reducers/message-reducer.test.js b/lib/reducers/message-reducer.test.js
index 831b266e9..3bd8f6bc8 100644
--- a/lib/reducers/message-reducer.test.js
+++ b/lib/reducers/message-reducer.test.js
@@ -1,320 +1,321 @@
 // @flow
 
 import invariant from 'invariant';
 
 import { reduceMessageStore } from './message-reducer.js';
 import { createPendingThread } from '../shared/thread-utils.js';
 import { messageTypes } from '../types/message-types-enum.js';
 import type { MessageStore } from '../types/message-types.js';
 import { threadTypes } from '../types/thread-types-enum.js';
 import { authoritativeKeyserverID } from '../utils/authoritative-keyserver.js';
 
 const messageStoreBeforeMediaUpdate: MessageStore = {
   messages: {
     local1: {
       type: 14,
       threadID: '91140',
       creatorID: '91097',
       time: 1639522317443,
       media: [
         {
           id: 'localUpload2',
           uri: 'assets-library://asset/asset.HEIC?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=HEIC',
           type: 'photo',
           dimensions: { height: 3024, width: 4032 },
           thumbHash: 'some_thumb_hash',
           localMediaSelection: {
             step: 'photo_library',
             dimensions: { height: 3024, width: 4032 },
             uri: 'assets-library://asset/asset.HEIC?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=HEIC',
             filename: 'IMG_0006.HEIC',
             mediaNativeID: 'CC95F08C-88C3-4012-9D6D-64A413D254B3/L0/001',
             selectTime: 1639522317349,
             sendTime: 1639522317349,
             retries: 0,
           },
         },
       ],
       localID: 'local1',
     },
   },
   threads: {
     '91140': {
       messageIDs: ['local1'],
       startReached: true,
     },
   },
   local: {},
   currentAsOf: { [authoritativeKeyserverID()]: 1639522292174 },
 };
 
 describe('UPDATE_MULTIMEDIA_MESSAGE_MEDIA', () => {
   const updateMultiMediaMessageMediaAction = {
     type: 'UPDATE_MULTIMEDIA_MESSAGE_MEDIA',
     payload: {
       messageID: 'local1',
       currentMediaID: 'localUpload2',
       mediaUpdate: {
         id: '91172',
         type: 'photo',
         uri: 'http://localhost/comm/upload/91172/dfa9b9fe7eb03fde',
         dimensions: { height: 1440, width: 1920 },
         localMediaSelection: undefined,
       },
     },
   };
   const { messageStore: updatedMessageStore } = reduceMessageStore(
     messageStoreBeforeMediaUpdate,
     updateMultiMediaMessageMediaAction,
     {},
   );
 
   test('replace local media with uploaded media', () => {
     expect(
       updatedMessageStore.messages[
         updateMultiMediaMessageMediaAction.payload.messageID
       ],
     ).toStrictEqual({
       type: 14,
       threadID: '91140',
       creatorID: '91097',
       time: 1639522317443,
       media: [
         {
           id: '91172',
           type: 'photo',
           uri: 'http://localhost/comm/upload/91172/dfa9b9fe7eb03fde',
           dimensions: { height: 1440, width: 1920 },
           thumbHash: 'some_thumb_hash',
         },
       ],
       localID: 'local1',
     });
   });
 
   test('localMediaSelection is unset when undefined in update', () => {
     const msg =
       updatedMessageStore.messages[
         updateMultiMediaMessageMediaAction.payload.messageID
       ];
 
     expect(msg.type).toEqual(messageTypes.IMAGES);
     invariant(msg.type === messageTypes.IMAGES, 'message is of type IMAGES');
     expect(msg.media[0]).not.toHaveProperty('localMediaSelection');
   });
 
   test('localMediaSelection is unchanged when missing in update', () => {
     const actionWithoutLocalMediaSelectionUpdate = {
       type: 'UPDATE_MULTIMEDIA_MESSAGE_MEDIA',
       payload: {
         messageID: 'local1',
         currentMediaID: 'localUpload2',
         mediaUpdate: {
           id: '91172',
           type: 'photo',
           uri: 'http://localhost/comm/upload/91172/dfa9b9fe7eb03fde',
           dimensions: { height: 1440, width: 1920 },
         },
       },
     };
     const { messageStore: storeWithoutLocalMediaSelectionUpdate } =
       reduceMessageStore(
         messageStoreBeforeMediaUpdate,
         actionWithoutLocalMediaSelectionUpdate,
         {},
       );
     const prevMsg =
       messageStoreBeforeMediaUpdate.messages[
         actionWithoutLocalMediaSelectionUpdate.payload.messageID
       ];
     const updatedMsg =
       storeWithoutLocalMediaSelectionUpdate.messages[
         actionWithoutLocalMediaSelectionUpdate.payload.messageID
       ];
 
     expect(updatedMsg.type).toEqual(messageTypes.IMAGES);
     expect(prevMsg.type).toEqual(messageTypes.IMAGES);
     invariant(
       updatedMsg.type === messageTypes.IMAGES &&
         prevMsg.type === messageTypes.IMAGES,
       'message is of type IMAGES',
     );
 
     expect(updatedMsg.media[0].localMediaSelection).toStrictEqual(
       prevMsg.media[0].localMediaSelection,
     );
   });
 
   test('localMediaSelection is updated when included in update', () => {
     const updateMultiMediaMessageMediaActionWithReplacement = {
       type: 'UPDATE_MULTIMEDIA_MESSAGE_MEDIA',
       payload: {
         messageID: 'local1',
         currentMediaID: 'localUpload2',
         mediaUpdate: {
           id: '91172',
           type: 'photo',
           uri: 'http://localhost/comm/upload/91172/dfa9b9fe7eb03fde',
           dimensions: { height: 1440, width: 1920 },
           localMediaSelection: {
             step: 'photo_library',
             dimensions: { height: 10, width: 10 },
             uri: 'assets-library://asset/new/path',
             filename: 'NEWNAME.PNG',
             mediaNativeID: 'CC95F08C-88C3-4012-9D6D-64A413D254B3/L0/001',
             selectTime: 1639522317349,
             sendTime: 1639522317349,
             retries: 1,
           },
         },
       },
     };
     const { messageStore: updatedMessageStoreWithReplacement } =
       reduceMessageStore(
         messageStoreBeforeMediaUpdate,
         updateMultiMediaMessageMediaActionWithReplacement,
         {},
       );
     const updatedMsg =
       updatedMessageStoreWithReplacement.messages[
         updateMultiMediaMessageMediaActionWithReplacement.payload.messageID
       ];
     expect(updatedMsg.type).toEqual(messageTypes.IMAGES);
     invariant(
       updatedMsg.type === messageTypes.IMAGES,
       'message is of type IMAGES',
     );
 
     expect(updatedMsg.media[0].localMediaSelection).toStrictEqual({
       step: 'photo_library',
       dimensions: { height: 10, width: 10 },
       uri: 'assets-library://asset/new/path',
       filename: 'NEWNAME.PNG',
       mediaNativeID: 'CC95F08C-88C3-4012-9D6D-64A413D254B3/L0/001',
       selectTime: 1639522317349,
       sendTime: 1639522317349,
       retries: 1,
     });
   });
 });
 
 describe('SET_MESSAGE_STORE_MESSAGES', () => {
   const clientDBMessages = [
     {
       id: '103502',
       local_id: null,
       thread: '88471',
       user: '83809',
       type: '14',
       future_type: null,
       content: '[103501]',
       time: '1658168455316',
       media_infos: [
         {
           id: '103501',
           uri: 'http://localhost/comm/upload/103501/425db25471f3acd5',
           type: 'photo',
           extras: '{"dimensions":{"width":1920,"height":1440},"loop":false}',
         },
       ],
     },
     {
       id: 'local10',
       local_id: 'local10',
       thread: '88471',
       user: '83809',
       type: '14',
       future_type: null,
       content: '[null]',
       time: '1658172650495',
       media_infos: [
         {
           id: 'localUpload0',
           uri: 'assets-library://asset/asset.heic?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=heic',
           type: 'photo',
           extras:
             '{"dimensions":{"height":3024,"width":4032},"loop":false,"local_media_selection":{"step":"photo_library","dimensions":{"height":3024,"width":4032},"uri":"assets-library://asset/asset.heic?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=heic","filename":"IMG_0006.HEIC","mediaNativeID":"CC95F08C-88C3-4012-9D6D-64A413D254B3/L0/001","selectTime":1658172650370,"sendTime":1658172650370,"retries":0}}',
         },
       ],
     },
     {
       id: 'local11',
       local_id: 'local11',
       thread: '88471',
       user: '83809',
       type: '14',
       future_type: null,
       content: '[null,null]',
       time: '1658172656976',
       media_infos: [
         {
           id: 'localUpload2',
           uri: 'assets-library://asset/asset.heic?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=heic',
           type: 'photo',
           extras:
             '{"dimensions":{"height":3024,"width":4032},"loop":false,"local_media_selection":{"step":"photo_library","dimensions":{"height":3024,"width":4032},"uri":"assets-library://asset/asset.heic?id=CC95F08C-88C3-4012-9D6D-64A413D254B3&ext=heic","filename":"IMG_0006.HEIC","mediaNativeID":"CC95F08C-88C3-4012-9D6D-64A413D254B3/L0/001","selectTime":1658172656826,"sendTime":1658172656826,"retries":0}}',
         },
         {
           id: 'localUpload4',
           uri: 'assets-library://asset/asset.jpg?id=ED7AC36B-A150-4C38-BB8C-B6D696F4F2ED&ext=jpg',
           type: 'photo',
           extras:
             '{"dimensions":{"height":2002,"width":3000},"loop":false,"local_media_selection":{"step":"photo_library","dimensions":{"height":2002,"width":3000},"uri":"assets-library://asset/asset.jpg?id=ED7AC36B-A150-4C38-BB8C-B6D696F4F2ED&ext=jpg","filename":"IMG_0005.JPG","mediaNativeID":"ED7AC36B-A150-4C38-BB8C-B6D696F4F2ED/L0/001","selectTime":1658172656826,"sendTime":1658172656826,"retries":0}}',
         },
       ],
     },
   ];
 
   const clientDBThreads = [
     {
       id: '88471',
       start_reached: '0',
     },
   ];
 
   const { messageStore: updatedMessageStore } = reduceMessageStore(
     {
       messages: {},
       threads: {},
       local: {},
       currentAsOf: { [authoritativeKeyserverID()]: 1234567890123 },
     },
     {
       type: 'SET_CLIENT_DB_STORE',
       payload: {
         currentUserID: '',
         drafts: [],
         threadStore: {
           threadInfos: {},
         },
         messageStoreThreads: clientDBThreads,
         messages: clientDBMessages,
         reports: [],
         users: {},
         keyserverInfos: {},
         communityInfos: {},
         threadHashes: {},
+        syncedMetadata: {},
       },
     },
     {
       [88471]: createPendingThread({
         viewerID: '',
         threadType: threadTypes.LOCAL,
         members: [{ id: '', username: '' }],
       }),
     },
   );
   test('removes local media when constructing messageStore.messages', () => {
     expect(updatedMessageStore.messages).toHaveProperty('103502');
     expect(updatedMessageStore.messages).not.toHaveProperty('local10');
     expect(updatedMessageStore.messages).not.toHaveProperty('local11');
   });
 
   test('removes local media when constructing messageStore.threads', () => {
     expect(updatedMessageStore).toBeDefined();
     expect(updatedMessageStore.threads).toBeDefined();
     expect(updatedMessageStore.threads['88471']).toBeDefined();
     expect(updatedMessageStore.threads['88471'].messageIDs).toBeDefined();
     expect(updatedMessageStore.threads['88471'].messageIDs).toEqual(['103502']);
   });
 });
diff --git a/lib/reducers/synced-metadata-reducer.js b/lib/reducers/synced-metadata-reducer.js
new file mode 100644
index 000000000..7d90980fb
--- /dev/null
+++ b/lib/reducers/synced-metadata-reducer.js
@@ -0,0 +1,76 @@
+// @flow
+
+import { setClientDBStoreActionType } from '../actions/client-db-store-actions.js';
+import {
+  addSyncedMetadataEntryActionType,
+  removeSyncedMetadataEntryActionType,
+} from '../actions/synced-metadata-actions.js';
+import {
+  syncedMetadataStoreOpsHandlers,
+  type SyncedMetadataStoreOperation,
+  type ReplaceSyncedMetadataEntryOperation,
+  type RemoveSyncedMetadataOperation,
+} from '../ops/synced-metadata-store-ops.js';
+import type { BaseAction } from '../types/redux-types.js';
+import type { SyncedMetadataStore } from '../types/synced-metadata-types.js';
+
+const { processStoreOperations: processStoreOps } =
+  syncedMetadataStoreOpsHandlers;
+
+function reduceSyncedMetadataStore(
+  state: SyncedMetadataStore,
+  action: BaseAction,
+): {
+  +syncedMetadataStore: SyncedMetadataStore,
+  +syncedMetadataStoreOperations: $ReadOnlyArray<SyncedMetadataStoreOperation>,
+} {
+  if (action.type === addSyncedMetadataEntryActionType) {
+    const replaceOperation: ReplaceSyncedMetadataEntryOperation = {
+      type: 'replace_synced_metadata_entry',
+      payload: action.payload,
+    };
+
+    return {
+      syncedMetadataStore: processStoreOps(state, [replaceOperation]),
+      syncedMetadataStoreOperations: [replaceOperation],
+    };
+  } else if (action.type === removeSyncedMetadataEntryActionType) {
+    const removeOperation: RemoveSyncedMetadataOperation = {
+      type: 'remove_synced_metadata',
+      payload: {
+        names: [action.payload.name],
+      },
+    };
+
+    return {
+      syncedMetadataStore: processStoreOps(state, [removeOperation]),
+      syncedMetadataStoreOperations: [removeOperation],
+    };
+  } else if (action.type === setClientDBStoreActionType) {
+    const newSyncedMetadata = action.payload.syncedMetadata;
+
+    if (!newSyncedMetadata) {
+      return {
+        syncedMetadataStore: state,
+        syncedMetadataStoreOperations: [],
+      };
+    }
+
+    const newSyncedMetadataStore: SyncedMetadataStore = {
+      ...state,
+      syncedMetadata: newSyncedMetadata,
+    };
+
+    return {
+      syncedMetadataStore: newSyncedMetadataStore,
+      syncedMetadataStoreOperations: [],
+    };
+  }
+
+  return {
+    syncedMetadataStore: state,
+    syncedMetadataStoreOperations: [],
+  };
+}
+
+export { reduceSyncedMetadataStore };
diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
index 0c9b1881f..2c5c7003b 100644
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -1,1406 +1,1408 @@
 // @flow
 
 import type {
   LogOutResult,
   KeyserverLogOutResult,
   LogInStartingPayload,
   LogInResult,
   RegisterResult,
   DefaultNotificationPayload,
   ClaimUsernameResponse,
   KeyserverAuthResult,
 } from './account-types.js';
 import type {
   ActivityUpdateSuccessPayload,
   QueueActivityUpdatesPayload,
   SetThreadUnreadStatusPayload,
 } from './activity-types.js';
 import type {
   UpdateUserAvatarRequest,
   UpdateUserAvatarResponse,
 } from './avatar-types.js';
 import type { CommunityStore, AddCommunityPayload } from './community-types.js';
 import type { MessageID, DBOpsStore } from './db-ops-types.js';
 import type {
   GetVersionActionPayload,
   LastCommunicatedPlatformDetails,
 } from './device-types.js';
 import type { DraftStore } from './draft-types.js';
 import type { EnabledApps, SupportedApps } from './enabled-apps.js';
 import type {
   RawEntryInfo,
   EntryStore,
   SaveEntryPayload,
   CreateEntryPayload,
   DeleteEntryResult,
   RestoreEntryPayload,
   FetchEntryInfosResult,
   CalendarQueryUpdateResult,
   CalendarQueryUpdateStartingPayload,
   FetchRevisionsForEntryPayload,
 } from './entry-types.js';
 import type {
   CalendarFilter,
   CalendarThreadFilter,
   SetCalendarDeletedFilterPayload,
 } from './filter-types.js';
 import type { IdentityAuthResult } from './identity-service-types.js';
 import type { IntegrityStore } from './integrity-types.js';
 import type {
   KeyserverStore,
   AddKeyserverPayload,
   RemoveKeyserverPayload,
 } from './keyserver-types.js';
 import type { LifecycleState } from './lifecycle-state-types.js';
 import type {
   FetchInviteLinksResponse,
   InviteLink,
   InviteLinksStore,
   InviteLinkVerificationResponse,
   DisableInviteLinkPayload,
 } from './link-types.js';
 import type { LoadingStatus, LoadingInfo } from './loading-types.js';
 import type { UpdateMultimediaMessageMediaPayload } from './media-types.js';
 import type { MessageReportCreationResult } from './message-report-types.js';
 import type {
   MessageStore,
   RawMultimediaMessageInfo,
   FetchMessageInfosPayload,
   SendMessagePayload,
   EditMessagePayload,
   SaveMessagesPayload,
   NewMessagesPayload,
   MessageStorePrunePayload,
   LocallyComposedMessageInfo,
   SimpleMessagesPayload,
   FetchPinnedMessagesResult,
   SearchMessagesResponse,
 } from './message-types.js';
 import type { RawReactionMessageInfo } from './messages/reaction.js';
 import type { RawTextMessageInfo } from './messages/text.js';
 import type { BaseNavInfo, WebNavInfo } from './nav-types.js';
 import {
   type ForcePolicyAcknowledgmentPayload,
   type PolicyAcknowledgmentPayload,
   type UserPolicies,
 } from './policy-types.js';
 import type { RelationshipErrors } from './relationship-types.js';
 import type {
   EnabledReports,
   ClearDeliveredReportsPayload,
   QueueReportsPayload,
   ReportStore,
 } from './report-types.js';
 import type {
   ProcessServerRequestAction,
   GetOlmSessionInitializationDataResponse,
 } from './request-types.js';
 import type {
   UserSearchResult,
   ExactUserSearchResult,
 } from './search-types.js';
 import type { SetSessionPayload } from './session-types.js';
 import type {
   ConnectionIssue,
   StateSyncFullActionPayload,
   StateSyncIncrementalActionPayload,
   SetActiveSessionRecoveryPayload,
 } from './socket-types.js';
 import { type ClientStore } from './store-ops-types.js';
 import type { SubscriptionUpdateResult } from './subscription-types.js';
 import type {
+  SyncedMetadataStore,
   AddSyncedMetadataEntryPayload,
   RemoveSyncedMetadataEntryPayload,
 } from './synced-metadata-types.js';
 import type { GlobalThemeInfo } from './theme-types.js';
 import type { ThreadActivityStore } from './thread-activity-types.js';
 import type {
   ThreadStore,
   ChangeThreadSettingsPayload,
   LeaveThreadPayload,
   NewThreadResult,
   ThreadJoinPayload,
   ToggleMessagePinResult,
   LegacyThreadStore,
   RoleModificationPayload,
   RoleDeletionPayload,
 } from './thread-types.js';
 import type { ClientUpdatesResultWithUserInfos } from './update-types.js';
 import type { CurrentUserInfo, UserInfos, UserStore } from './user-types.js';
 import type { SetDeviceTokenActionPayload } from '../actions/device-actions.js';
 import type {
   UpdateConnectionStatusPayload,
   SetLateResponsePayload,
   UpdateKeyserverReachabilityPayload,
 } from '../keyserver-conn/keyserver-conn-types.js';
 import type { NotifPermissionAlertInfo } from '../utils/push-alerts.js';
 
 export type BaseAppState<NavInfo: BaseNavInfo = BaseNavInfo> = {
   +navInfo: NavInfo,
   +currentUserInfo: ?CurrentUserInfo,
   +draftStore: DraftStore,
   +entryStore: EntryStore,
   +threadStore: ThreadStore,
   +userStore: UserStore,
   +messageStore: MessageStore,
   +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
   +calendarFilters: $ReadOnlyArray<CalendarFilter>,
   +notifPermissionAlertInfo: NotifPermissionAlertInfo,
   +watchedThreadIDs: $ReadOnlyArray<string>,
   +lifecycleState: LifecycleState,
   +enabledApps: EnabledApps,
   +reportStore: ReportStore,
   +nextLocalID: number,
   +dataLoaded: boolean,
   +userPolicies: UserPolicies,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +keyserverStore: KeyserverStore,
   +threadActivityStore: ThreadActivityStore,
   +integrityStore: IntegrityStore,
   +globalThemeInfo: GlobalThemeInfo,
   +customServer: ?string,
   +communityStore: CommunityStore,
   +dbOpsStore: DBOpsStore,
+  +syncedMetadataStore: SyncedMetadataStore,
   ...
 };
 
 export type NativeAppState = BaseAppState<>;
 export type WebAppState = BaseAppState<> & {
   +pushApiPublicKey: ?string,
   ...
 };
 export type AppState = NativeAppState | WebAppState;
 
 export type ClientWebInitialReduxStateResponse = {
   +navInfo: WebNavInfo,
   +currentUserInfo: CurrentUserInfo,
   +entryStore: EntryStore,
   +threadStore: ThreadStore,
   +userInfos: UserInfos,
   +messageStore: MessageStore,
   +pushApiPublicKey: ?string,
   +inviteLinksStore: InviteLinksStore,
   +keyserverInfo: WebInitialKeyserverInfo,
 };
 export type ServerWebInitialReduxStateResponse = {
   +navInfo: WebNavInfo,
   +currentUserInfo: CurrentUserInfo,
   +entryStore: EntryStore,
   +threadStore: LegacyThreadStore,
   +userInfos: UserInfos,
   +messageStore: MessageStore,
   +pushApiPublicKey: ?string,
   +inviteLinksStore: InviteLinksStore,
   +keyserverInfo: WebInitialKeyserverInfo,
 };
 export type WebInitialKeyserverInfo = {
   +sessionID: ?string,
   +updatesCurrentAsOf: number,
 };
 
 export type BaseAction = $ReadOnly<{
   +messageID?: MessageID,
   ...
     | {
         +type: '@@redux/INIT',
         +payload?: void,
       }
     | {
         +type: 'FETCH_ENTRIES_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_ENTRIES_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_ENTRIES_SUCCESS',
         +payload: FetchEntryInfosResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LOG_OUT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LOG_OUT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LOG_OUT_SUCCESS',
         +payload: LogOutResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CLAIM_USERNAME_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CLAIM_USERNAME_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CLAIM_USERNAME_SUCCESS',
         +payload: ClaimUsernameResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_KEYSERVER_ACCOUNT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_KEYSERVER_ACCOUNT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_KEYSERVER_ACCOUNT_SUCCESS',
         +payload: KeyserverLogOutResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_ACCOUNT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_ACCOUNT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_ACCOUNT_SUCCESS',
         +payload: LogOutResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CREATE_LOCAL_ENTRY',
         +payload: RawEntryInfo,
       }
     | {
         +type: 'CREATE_ENTRY_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CREATE_ENTRY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CREATE_ENTRY_SUCCESS',
         +payload: CreateEntryPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SAVE_ENTRY_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SAVE_ENTRY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SAVE_ENTRY_SUCCESS',
         +payload: SaveEntryPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CONCURRENT_MODIFICATION_RESET',
         +payload: {
           +id: string,
           +dbText: string,
         },
       }
     | {
         +type: 'DELETE_ENTRY_STARTED',
         +loadingInfo: LoadingInfo,
         +payload: {
           +localID: ?string,
           +serverID: ?string,
         },
       }
     | {
         +type: 'DELETE_ENTRY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_ENTRY_SUCCESS',
         +payload: ?DeleteEntryResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_LOG_IN_STARTED',
         +loadingInfo: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'IDENTITY_LOG_IN_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_LOG_IN_SUCCESS',
         +payload: IdentityAuthResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'KEYSERVER_AUTH_STARTED',
         +loadingInfo: LoadingInfo,
         +payload: LogInStartingPayload,
       }
     | {
         +type: 'KEYSERVER_AUTH_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'KEYSERVER_AUTH_SUCCESS',
         +payload: KeyserverAuthResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LOG_IN_STARTED',
         +loadingInfo: LoadingInfo,
         +payload: LogInStartingPayload,
       }
     | {
         +type: 'LOG_IN_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LOG_IN_SUCCESS',
         +payload: LogInResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'KEYSERVER_REGISTER_STARTED',
         +loadingInfo: LoadingInfo,
         +payload: LogInStartingPayload,
       }
     | {
         +type: 'KEYSERVER_REGISTER_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'KEYSERVER_REGISTER_SUCCESS',
         +payload: RegisterResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_REGISTER_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_REGISTER_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_REGISTER_SUCCESS',
         +payload: IdentityAuthResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_GENERATE_NONCE_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_GENERATE_NONCE_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'IDENTITY_GENERATE_NONCE_SUCCESS',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_KEYSERVER_USER_PASSWORD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_KEYSERVER_USER_PASSWORD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_KEYSERVER_USER_PASSWORD_SUCCESS',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_SETTINGS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_SETTINGS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_SETTINGS_SUCCESS',
         +payload: ChangeThreadSettingsPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_THREAD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_THREAD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_THREAD_SUCCESS',
         +payload: LeaveThreadPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'NEW_THREAD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'NEW_THREAD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'NEW_THREAD_SUCCESS',
         +payload: NewThreadResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'REMOVE_USERS_FROM_THREAD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'REMOVE_USERS_FROM_THREAD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'REMOVE_USERS_FROM_THREAD_SUCCESS',
         +payload: ChangeThreadSettingsPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_MEMBER_ROLES_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_MEMBER_ROLES_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CHANGE_THREAD_MEMBER_ROLES_SUCCESS',
         +payload: ChangeThreadSettingsPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_REVISIONS_FOR_ENTRY_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_REVISIONS_FOR_ENTRY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_REVISIONS_FOR_ENTRY_SUCCESS',
         +payload: FetchRevisionsForEntryPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'RESTORE_ENTRY_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'RESTORE_ENTRY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'RESTORE_ENTRY_SUCCESS',
         +payload: RestoreEntryPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'JOIN_THREAD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'JOIN_THREAD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'JOIN_THREAD_SUCCESS',
         +payload: ThreadJoinPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LEAVE_THREAD_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LEAVE_THREAD_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'LEAVE_THREAD_SUCCESS',
         +payload: LeaveThreadPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_NEW_SESSION',
         +payload: SetSessionPayload,
       }
     | {
         +type: 'persist/REHYDRATE',
         +payload: ?BaseAppState<>,
       }
     | {
         +type: 'FETCH_MESSAGES_BEFORE_CURSOR_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_MESSAGES_BEFORE_CURSOR_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_MESSAGES_BEFORE_CURSOR_SUCCESS',
         +payload: FetchMessageInfosPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_MOST_RECENT_MESSAGES_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_MOST_RECENT_MESSAGES_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_MOST_RECENT_MESSAGES_SUCCESS',
         +payload: FetchMessageInfosPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_SINGLE_MOST_RECENT_MESSAGES_FROM_THREADS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_SINGLE_MOST_RECENT_MESSAGES_FROM_THREADS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_SINGLE_MOST_RECENT_MESSAGES_FROM_THREADS_SUCCESS',
         +payload: SimpleMessagesPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_TEXT_MESSAGE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload: RawTextMessageInfo,
       }
     | {
         +type: 'SEND_TEXT_MESSAGE_FAILED',
         +error: true,
         +payload: Error & {
           +localID: string,
           +threadID: string,
         },
         +loadingInfo?: LoadingInfo,
       }
     | {
         +type: 'SEND_TEXT_MESSAGE_SUCCESS',
         +payload: SendMessagePayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_MULTIMEDIA_MESSAGE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload: RawMultimediaMessageInfo,
       }
     | {
         +type: 'SEND_MULTIMEDIA_MESSAGE_FAILED',
         +error: true,
         +payload: Error & {
           +localID: string,
           +threadID: string,
         },
         +loadingInfo?: LoadingInfo,
       }
     | {
         +type: 'SEND_MULTIMEDIA_MESSAGE_SUCCESS',
         +payload: SendMessagePayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REACTION_MESSAGE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload: RawReactionMessageInfo,
       }
     | {
         +type: 'SEND_REACTION_MESSAGE_FAILED',
         +error: true,
         +payload: Error & {
           +localID: string,
           +threadID: string,
           +targetMessageID: string,
           +reaction: string,
           +action: string,
         },
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REACTION_MESSAGE_SUCCESS',
         +payload: SendMessagePayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEARCH_USERS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEARCH_USERS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEARCH_USERS_SUCCESS',
         +payload: UserSearchResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'EXACT_SEARCH_USER_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'EXACT_SEARCH_USER_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'EXACT_SEARCH_USER_SUCCESS',
         +payload: ExactUserSearchResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_DRAFT',
         +payload: {
           +key: string,
           +text: string,
         },
       }
     | {
         +type: 'MOVE_DRAFT',
         +payload: {
           +oldKey: string,
           +newKey: string,
         },
       }
     | {
         +type: 'SET_CLIENT_DB_STORE',
         +payload: ClientStore,
       }
     | {
         +type: 'UPDATE_ACTIVITY_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_ACTIVITY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_ACTIVITY_SUCCESS',
         +payload: ActivityUpdateSuccessPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_DEVICE_TOKEN_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_DEVICE_TOKEN_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_DEVICE_TOKEN_SUCCESS',
         +payload: SetDeviceTokenActionPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORT_SUCCESS',
         +payload?: ClearDeliveredReportsPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORTS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORTS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_REPORTS_SUCCESS',
         +payload?: ClearDeliveredReportsPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'QUEUE_REPORTS',
         +payload: QueueReportsPayload,
       }
     | {
         +type: 'SET_URL_PREFIX',
         +payload: string,
       }
     | {
         +type: 'SAVE_MESSAGES',
         +payload: SaveMessagesPayload,
       }
     | {
         +type: 'UPDATE_CALENDAR_THREAD_FILTER',
         +payload: CalendarThreadFilter,
       }
     | {
         +type: 'CLEAR_CALENDAR_THREAD_FILTER',
         +payload?: void,
       }
     | {
         +type: 'SET_CALENDAR_DELETED_FILTER',
         +payload: SetCalendarDeletedFilterPayload,
       }
     | {
         +type: 'UPDATE_SUBSCRIPTION_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_SUBSCRIPTION_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_SUBSCRIPTION_SUCCESS',
         +payload: SubscriptionUpdateResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_CALENDAR_QUERY_STARTED',
         +loadingInfo: LoadingInfo,
         +payload?: CalendarQueryUpdateStartingPayload,
       }
     | {
         +type: 'UPDATE_CALENDAR_QUERY_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_CALENDAR_QUERY_SUCCESS',
         +payload: CalendarQueryUpdateResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FULL_STATE_SYNC',
         +payload: StateSyncFullActionPayload,
       }
     | {
         +type: 'INCREMENTAL_STATE_SYNC',
         +payload: StateSyncIncrementalActionPayload,
       }
     | ProcessServerRequestAction
     | {
         +type: 'UPDATE_CONNECTION_STATUS',
         +payload: UpdateConnectionStatusPayload,
       }
     | {
         +type: 'QUEUE_ACTIVITY_UPDATES',
         +payload: QueueActivityUpdatesPayload,
       }
     | {
         +type: 'UNSUPERVISED_BACKGROUND',
         +payload: { +keyserverID: string },
       }
     | {
         +type: 'UPDATE_LIFECYCLE_STATE',
         +payload: LifecycleState,
       }
     | {
         +type: 'ENABLE_APP',
         +payload: SupportedApps,
       }
     | {
         +type: 'DISABLE_APP',
         +payload: SupportedApps,
       }
     | {
         +type: 'UPDATE_REPORTS_ENABLED',
         +payload: Partial<EnabledReports>,
       }
     | {
         +type: 'PROCESS_UPDATES',
         +payload: ClientUpdatesResultWithUserInfos,
       }
     | {
         +type: 'PROCESS_MESSAGES',
         +payload: NewMessagesPayload,
       }
     | {
         +type: 'MESSAGE_STORE_PRUNE',
         +payload: MessageStorePrunePayload,
       }
     | {
         +type: 'SET_LATE_RESPONSE',
         +payload: SetLateResponsePayload,
       }
     | {
         +type: 'UPDATE_KEYSERVER_REACHABILITY',
         +payload: UpdateKeyserverReachabilityPayload,
       }
     | {
         +type: 'REQUEST_ACCESS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'REQUEST_ACCESS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'REQUEST_ACCESS_SUCCESS',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_MULTIMEDIA_MESSAGE_MEDIA',
         +payload: UpdateMultimediaMessageMediaPayload,
       }
     | {
         +type: 'CREATE_LOCAL_MESSAGE',
         +payload: LocallyComposedMessageInfo,
       }
     | {
         +type: 'UPDATE_RELATIONSHIPS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_RELATIONSHIPS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_RELATIONSHIPS_SUCCESS',
         +payload: RelationshipErrors,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_THREAD_UNREAD_STATUS_STARTED',
         +payload: {
           +threadID: string,
           +unread: boolean,
         },
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_THREAD_UNREAD_STATUS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_THREAD_UNREAD_STATUS_SUCCESS',
         +payload: SetThreadUnreadStatusPayload,
       }
     | {
         +type: 'SET_USER_SETTINGS_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_USER_SETTINGS_SUCCESS',
         +payload: DefaultNotificationPayload,
       }
     | {
         +type: 'SET_USER_SETTINGS_FAILED',
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_MESSAGE_REPORT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_MESSAGE_REPORT_SUCCESS',
         +payload: MessageReportCreationResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_MESSAGE_REPORT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FORCE_POLICY_ACKNOWLEDGMENT',
         +payload: ForcePolicyAcknowledgmentPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'POLICY_ACKNOWLEDGMENT_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'POLICY_ACKNOWLEDGMENT_SUCCESS',
         +payload: PolicyAcknowledgmentPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'POLICY_ACKNOWLEDGMENT_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_SIWE_NONCE_STARTED',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_SIWE_NONCE_SUCCESS',
         +payload?: void,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_SIWE_NONCE_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SIWE_AUTH_STARTED',
         +payload: LogInStartingPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SIWE_AUTH_SUCCESS',
         +payload: LogInResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SIWE_AUTH_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'RECORD_NOTIF_PERMISSION_ALERT',
         +payload: { +time: number },
       }
     | {
         +type: 'UPDATE_USER_AVATAR_STARTED',
         +payload: UpdateUserAvatarRequest,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_USER_AVATAR_SUCCESS',
         +payload: UpdateUserAvatarResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_USER_AVATAR_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_EDIT_MESSAGE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'SEND_EDIT_MESSAGE_SUCCESS',
         +payload: EditMessagePayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEND_EDIT_MESSAGE_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'TOGGLE_MESSAGE_PIN_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'TOGGLE_MESSAGE_PIN_SUCCESS',
         +payload: ToggleMessagePinResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'TOGGLE_MESSAGE_PIN_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_PINNED_MESSAGES_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'FETCH_PINNED_MESSAGES_SUCCESS',
         +payload: FetchPinnedMessagesResult,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_PINNED_MESSAGES_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'VERIFY_INVITE_LINK_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'VERIFY_INVITE_LINK_SUCCESS',
         +payload: InviteLinkVerificationResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'VERIFY_INVITE_LINK_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_PRIMARY_INVITE_LINKS_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'FETCH_PRIMARY_INVITE_LINKS_SUCCESS',
         +payload: FetchInviteLinksResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'FETCH_PRIMARY_INVITE_LINKS_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_CALENDAR_COMMUNITY_FILTER',
         +payload: string,
       }
     | {
         +type: 'CLEAR_CALENDAR_COMMUNITY_FILTER',
         +payload: void,
       }
     | {
         +type: 'UPDATE_CHAT_COMMUNITY_FILTER',
         +payload: string,
       }
     | {
         +type: 'CLEAR_CHAT_COMMUNITY_FILTER',
         +payload: void,
       }
     | {
         +type: 'SEARCH_MESSAGES_STARTED',
         +payload: void,
         +loadingInfo?: LoadingInfo,
       }
     | {
         +type: 'SEARCH_MESSAGES_SUCCESS',
         +payload: SearchMessagesResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SEARCH_MESSAGES_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CREATE_OR_UPDATE_PUBLIC_LINK_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'CREATE_OR_UPDATE_PUBLIC_LINK_SUCCESS',
         +payload: InviteLink,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'CREATE_OR_UPDATE_PUBLIC_LINK_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DISABLE_INVITE_LINK_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'DISABLE_INVITE_LINK_SUCCESS',
         +payload: DisableInviteLinkPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DISABLE_INVITE_LINK_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_OLM_SESSION_INITIALIZATION_DATA_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'GET_OLM_SESSION_INITIALIZATION_DATA_SUCCESS',
         +payload: GetOlmSessionInitializationDataResponse,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_OLM_SESSION_INITIALIZATION_DATA_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_DATA_LOADED',
         +payload: {
           +dataLoaded: boolean,
         },
       }
     | {
         +type: 'GET_VERSION_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'GET_VERSION_SUCCESS',
         +payload: GetVersionActionPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'GET_VERSION_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'UPDATE_LAST_COMMUNICATED_PLATFORM_DETAILS',
         +payload: LastCommunicatedPlatformDetails,
       }
     | { +type: 'RESET_USER_STATE', +payload?: void }
     | {
         +type: 'MODIFY_COMMUNITY_ROLE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'MODIFY_COMMUNITY_ROLE_SUCCESS',
         +payload: RoleModificationPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'MODIFY_COMMUNITY_ROLE_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_COMMUNITY_ROLE_STARTED',
         +loadingInfo?: LoadingInfo,
         +payload?: void,
       }
     | {
         +type: 'DELETE_COMMUNITY_ROLE_SUCCESS',
         +payload: RoleDeletionPayload,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'DELETE_COMMUNITY_ROLE_FAILED',
         +error: true,
         +payload: Error,
         +loadingInfo: LoadingInfo,
       }
     | {
         +type: 'SET_ACCESS_TOKEN',
         +payload: ?string,
       }
     | {
         +type: 'UPDATE_THREAD_LAST_NAVIGATED',
         +payload: { +threadID: string, +time: number },
       }
     | {
         +type: 'UPDATE_INTEGRITY_STORE',
         +payload: {
           +threadIDsToHash?: $ReadOnlyArray<string>,
           +threadHashingStatus?: 'starting' | 'running' | 'completed',
         },
       }
     | {
         +type: 'UPDATE_THEME_INFO',
         +payload: Partial<GlobalThemeInfo>,
       }
     | {
         +type: 'ADD_KEYSERVER',
         +payload: AddKeyserverPayload,
       }
     | {
         +type: 'REMOVE_KEYSERVER',
         +payload: RemoveKeyserverPayload,
       }
     | {
         +type: 'SET_CUSTOM_SERVER',
         +payload: string,
       }
     | {
         +type: 'SET_CONNECTION_ISSUE',
         +payload: { +connectionIssue: ?ConnectionIssue, +keyserverID: string },
       }
     | {
         +type: 'ADD_COMMUNITY',
         +payload: AddCommunityPayload,
       }
     | {
         +type: 'ADD_SYNCED_METADATA_ENTRY',
         +payload: AddSyncedMetadataEntryPayload,
       }
     | {
         +type: 'REMOVE_SYNCED_METADATA_ENTRY',
         +payload: RemoveSyncedMetadataEntryPayload,
       }
     | {
         +type: 'SET_ACTIVE_SESSION_RECOVERY',
         +payload: SetActiveSessionRecoveryPayload,
       }
     | {
         +type: 'OPS_PROCESSING_FINISHED_ACTION_TYPE',
         +payload?: void,
       },
 }>;
 
 export type ActionPayload = ?(Object | Array<*> | $ReadOnlyArray<*> | string);
 export type DispatchSource = 'tunnelbroker' | 'tab-sync';
 export type SuperAction = {
   +type: string,
   +payload?: ActionPayload,
   +loadingInfo?: LoadingInfo,
   +error?: boolean,
   +dispatchSource?: DispatchSource,
   +messageID?: MessageID,
 };
 type ThunkedAction = (dispatch: Dispatch) => void;
 export type PromisedAction = (dispatch: Dispatch) => Promise<void>;
 export type Dispatch = ((promisedAction: PromisedAction) => Promise<void>) &
   ((thunkedAction: ThunkedAction) => void) &
   ((action: SuperAction) => boolean);
 
 // This is lifted from redux-persist/lib/constants.js
 // I don't want to add redux-persist to the web/server bundles...
 // import { REHYDRATE } from 'redux-persist';
 export const rehydrateActionType = 'persist/REHYDRATE';
diff --git a/lib/types/store-ops-types.js b/lib/types/store-ops-types.js
index f566fd2a7..5b5ee361b 100644
--- a/lib/types/store-ops-types.js
+++ b/lib/types/store-ops-types.js
@@ -1,101 +1,104 @@
 // @flow
 
 import type { CommunityInfos } from './community-types.js';
 import type {
   DraftStoreOperation,
   ClientDBDraftStoreOperation,
   ClientDBDraftInfo,
 } from './draft-types.js';
 import type { ThreadHashes } from './integrity-types.js';
 import type { KeyserverInfos } from './keyserver-types.js';
 import type {
   ClientDBMessageInfo,
   ClientDBThreadMessageInfo,
 } from './message-types.js';
 import type { ClientReportCreationRequest } from './report-types.js';
+import type { SyncedMetadata } from './synced-metadata-types.js';
 import type { ClientDBThreadInfo, ThreadStore } from './thread-types.js';
 import type { UserInfos } from './user-types.js';
 import type {
   ClientDBCommunityInfo,
   ClientDBCommunityStoreOperation,
   CommunityStoreOperation,
 } from '../ops/community-store-ops.js';
 import type {
   ClientDBIntegrityThreadHash,
   ClientDBIntegrityStoreOperation,
   IntegrityStoreOperation,
 } from '../ops/integrity-store-ops.js';
 import type {
   ClientDBKeyserverInfo,
   ClientDBKeyserverStoreOperation,
   KeyserverStoreOperation,
 } from '../ops/keyserver-store-ops.js';
 import type {
   ClientDBMessageStoreOperation,
   MessageStoreOperation,
 } from '../ops/message-store-ops.js';
 import type {
   ReportStoreOperation,
   ClientDBReport,
   ClientDBReportStoreOperation,
 } from '../ops/report-store-ops.js';
 import type {
   ClientDBSyncedMetadataEntry,
   ClientDBSyncedMetadataStoreOperation,
 } from '../ops/synced-metadata-store-ops.js';
 import type {
   ClientDBThreadStoreOperation,
   ThreadStoreOperation,
 } from '../ops/thread-store-ops.js';
 import type {
   UserStoreOperation,
   ClientDBUserInfo,
 } from '../ops/user-store-ops.js';
 
 export type StoreOperations = {
   +draftStoreOperations: $ReadOnlyArray<DraftStoreOperation>,
   +threadStoreOperations: $ReadOnlyArray<ThreadStoreOperation>,
   +messageStoreOperations: $ReadOnlyArray<MessageStoreOperation>,
   +reportStoreOperations: $ReadOnlyArray<ReportStoreOperation>,
   +userStoreOperations: $ReadOnlyArray<UserStoreOperation>,
   +keyserverStoreOperations: $ReadOnlyArray<KeyserverStoreOperation>,
   +communityStoreOperations: $ReadOnlyArray<CommunityStoreOperation>,
   +integrityStoreOperations: $ReadOnlyArray<IntegrityStoreOperation>,
+  +syncedMetadataStoreOperations: $ReadOnlyArray<ClientDBSyncedMetadataStoreOperation>,
 };
 
 export type ClientDBStoreOperations = {
   +draftStoreOperations?: $ReadOnlyArray<ClientDBDraftStoreOperation>,
   +threadStoreOperations?: $ReadOnlyArray<ClientDBThreadStoreOperation>,
   +messageStoreOperations?: $ReadOnlyArray<ClientDBMessageStoreOperation>,
   +reportStoreOperations?: $ReadOnlyArray<ClientDBReportStoreOperation>,
   +keyserverStoreOperations?: $ReadOnlyArray<ClientDBKeyserverStoreOperation>,
   +communityStoreOperations?: $ReadOnlyArray<ClientDBCommunityStoreOperation>,
   +integrityStoreOperations?: $ReadOnlyArray<ClientDBIntegrityStoreOperation>,
   +syncedMetadataStoreOperations?: $ReadOnlyArray<ClientDBSyncedMetadataStoreOperation>,
 };
 
 export type ClientDBStore = {
   +messages: $ReadOnlyArray<ClientDBMessageInfo>,
   +drafts: $ReadOnlyArray<ClientDBDraftInfo>,
   +threads: $ReadOnlyArray<ClientDBThreadInfo>,
   +messageStoreThreads: $ReadOnlyArray<ClientDBThreadMessageInfo>,
   +reports: $ReadOnlyArray<ClientDBReport>,
   +users: $ReadOnlyArray<ClientDBUserInfo>,
   +keyservers: $ReadOnlyArray<ClientDBKeyserverInfo>,
   +communities: $ReadOnlyArray<ClientDBCommunityInfo>,
   +integrityThreadHashes: $ReadOnlyArray<ClientDBIntegrityThreadHash>,
   +syncedMetadata: $ReadOnlyArray<ClientDBSyncedMetadataEntry>,
 };
 
 export type ClientStore = {
   +currentUserID: ?string,
   +drafts: $ReadOnlyArray<ClientDBDraftInfo>,
   +messages: ?$ReadOnlyArray<ClientDBMessageInfo>,
   +threadStore: ?ThreadStore,
   +messageStoreThreads: ?$ReadOnlyArray<ClientDBThreadMessageInfo>,
   +reports: ?$ReadOnlyArray<ClientReportCreationRequest>,
   +users: ?UserInfos,
   +keyserverInfos: ?KeyserverInfos,
   +communityInfos: ?CommunityInfos,
   +threadHashes: ?ThreadHashes,
+  +syncedMetadata: ?SyncedMetadata,
 };
diff --git a/lib/utils/reducers-utils.test.js b/lib/utils/reducers-utils.test.js
index 0c742a180..094f9dece 100644
--- a/lib/utils/reducers-utils.test.js
+++ b/lib/utils/reducers-utils.test.js
@@ -1,126 +1,129 @@
 // @flow
 
 import { authoritativeKeyserverID } from './authoritative-keyserver.js';
 import { defaultNotifPermissionAlertInfo } from './push-alerts.js';
 import { resetUserSpecificState } from './reducers-utils.js';
 import { defaultWebEnabledApps } from '../types/enabled-apps.js';
 import { defaultCalendarFilters } from '../types/filter-types.js';
 import { defaultKeyserverInfo } from '../types/keyserver-types.js';
 import { defaultGlobalThemeInfo } from '../types/theme-types.js';
 
 jest.mock('./config.js');
 
 describe('resetUserSpecificState', () => {
   let defaultState;
   let state;
   beforeAll(() => {
     defaultState = {
       navInfo: {
         activeChatThreadID: null,
         startDate: '',
         endDate: '',
         tab: 'chat',
       },
       currentUserInfo: null,
       draftStore: { drafts: {} },
       entryStore: {
         entryInfos: {},
         daysToEntries: {},
         lastUserInteractionCalendar: 0,
       },
       threadStore: {
         threadInfos: {},
       },
       userStore: {
         userInfos: {},
       },
       messageStore: {
         messages: {},
         threads: {},
         local: {},
         currentAsOf: { [authoritativeKeyserverID()]: 0 },
       },
       windowActive: true,
       pushApiPublicKey: null,
 
       loadingStatuses: {},
       calendarFilters: defaultCalendarFilters,
       dataLoaded: false,
       notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
       watchedThreadIDs: [],
       lifecycleState: 'active',
       enabledApps: defaultWebEnabledApps,
       reportStore: {
         enabledReports: {
           crashReports: false,
           inconsistencyReports: false,
           mediaReports: false,
         },
         queuedReports: [],
       },
       nextLocalID: 0,
       _persist: null,
       userPolicies: {},
       commServicesAccessToken: null,
       inviteLinksStore: {
         links: {},
       },
       actualizedCalendarQuery: {
         startDate: '',
         endDate: '',
         filters: defaultCalendarFilters,
       },
       communityPickerStore: { chat: null, calendar: null },
       keyserverStore: {
         keyserverInfos: {
           [authoritativeKeyserverID()]: defaultKeyserverInfo('url'),
         },
       },
       threadActivityStore: {},
       initialStateLoaded: false,
       integrityStore: { threadHashes: {}, threadHashingStatus: 'starting' },
       globalThemeInfo: defaultGlobalThemeInfo,
       customServer: null,
       communityStore: {
         communityInfos: {},
       },
       dbOpsStore: {
         queuedOps: [],
       },
+      syncedMetadataStore: {
+        syncedMetadata: {},
+      },
     };
     state = {
       ...defaultState,
       globalThemeInfo: {
         activeTheme: 'light',
         preference: 'light',
         systemTheme: null,
       },
       communityPickerStore: { chat: '256|1', calendar: '256|1' },
       nextLocalID: 9,
       navInfo: {
         activeChatThreadID: null,
         startDate: '2023-02-02',
         endDate: '2023-03-02',
         tab: 'calendar',
       },
     };
   });
   it("doesn't reset fields named in nonUserSpecificFields", () => {
     const nonUserSpecificFields = [
       'globalThemeInfo',
       'communityPickerStore',
       'nextLocalID',
       'navInfo',
     ];
 
     expect(
       resetUserSpecificState(state, defaultState, nonUserSpecificFields),
     ).toEqual(state);
   });
 
   it('resets fields not named in nonUserSpecificFields', () => {
     expect(resetUserSpecificState(state, defaultState, [])).toEqual(
       defaultState,
     );
   });
 });
diff --git a/native/redux/default-state.js b/native/redux/default-state.js
index 878385bed..52560fa86 100644
--- a/native/redux/default-state.js
+++ b/native/redux/default-state.js
@@ -1,92 +1,95 @@
 // @flow
 
 import { Platform } from 'react-native';
 import Orientation from 'react-native-orientation-locker';
 
 import { defaultEnabledApps } from 'lib/types/enabled-apps.js';
 import { defaultCalendarFilters } from 'lib/types/filter-types.js';
 import { defaultKeyserverInfo } from 'lib/types/keyserver-types.js';
 import { defaultGlobalThemeInfo } from 'lib/types/theme-types.js';
 import { defaultNotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 
 import { defaultDimensionsInfo } from './dimensions-updater.react.js';
 import type { AppState } from './state-types.js';
 import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
 import { defaultNavInfo } from '../navigation/default-state.js';
 import { defaultDeviceCameraInfo } from '../types/camera.js';
 import { defaultConnectivityInfo } from '../types/connectivity.js';
 import { defaultURLPrefix, natNodeServer } from '../utils/url-utils.js';
 
 const defaultState = ({
   navInfo: defaultNavInfo,
   currentUserInfo: null,
   draftStore: { drafts: {} },
   entryStore: {
     entryInfos: {},
     daysToEntries: {},
     lastUserInteractionCalendar: 0,
   },
   threadStore: {
     threadInfos: {},
   },
   userStore: {
     userInfos: {},
   },
   messageStore: {
     messages: {},
     threads: {},
     local: {},
     currentAsOf: { [authoritativeKeyserverID]: 0 },
   },
   storeLoaded: false,
   loadingStatuses: {},
   calendarFilters: defaultCalendarFilters,
   dataLoaded: false,
   customServer: natNodeServer,
   notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
   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,
   userPolicies: {},
   commServicesAccessToken: null,
   inviteLinksStore: {
     links: {},
   },
   keyserverStore: {
     keyserverInfos: {
       [authoritativeKeyserverID]: defaultKeyserverInfo(
         defaultURLPrefix,
         Platform.OS,
       ),
     },
   },
   localSettings: {
     isBackupEnabled: false,
   },
   threadActivityStore: {},
   integrityStore: { threadHashes: {}, threadHashingStatus: 'starting' },
   communityStore: {
     communityInfos: {},
   },
   dbOpsStore: {
     queuedOps: [],
   },
+  syncedMetadataStore: {
+    syncedMetadata: {},
+  },
 }: AppState);
 
 export { defaultState };
diff --git a/native/redux/persist.js b/native/redux/persist.js
index 9ecad395a..f995414ef 100644
--- a/native/redux/persist.js
+++ b/native/redux/persist.js
@@ -1,1253 +1,1254 @@
 // @flow
 
 import AsyncStorage from '@react-native-async-storage/async-storage';
 import invariant from 'invariant';
 import { Platform } from 'react-native';
 import Orientation from 'react-native-orientation-locker';
 import { createTransform } from 'redux-persist';
 import type { Transform } from 'redux-persist/es/types.js';
 
 import {
   convertEntryStoreToNewIDSchema,
   convertInviteLinksStoreToNewIDSchema,
   convertMessageStoreToNewIDSchema,
   convertRawMessageInfoToNewIDSchema,
   convertCalendarFilterToNewIDSchema,
   convertConnectionInfoToNewIDSchema,
 } from 'lib/_generated/migration-utils.js';
 import { extractKeyserverIDFromID } from 'lib/keyserver-conn/keyserver-call-utils.js';
 import {
   type ClientDBIntegrityStoreOperation,
   integrityStoreOpsHandlers,
   type ReplaceIntegrityThreadHashesOperation,
 } from 'lib/ops/integrity-store-ops.js';
 import {
   type ClientDBKeyserverStoreOperation,
   keyserverStoreOpsHandlers,
   type ReplaceKeyserverOperation,
 } from 'lib/ops/keyserver-store-ops.js';
 import {
   type ClientDBMessageStoreOperation,
   messageStoreOpsHandlers,
 } from 'lib/ops/message-store-ops.js';
 import {
   type ReportStoreOperation,
   type ClientDBReportStoreOperation,
   convertReportsToReplaceReportOps,
   reportStoreOpsHandlers,
 } from 'lib/ops/report-store-ops.js';
 import type { ClientDBThreadStoreOperation } from 'lib/ops/thread-store-ops.js';
 import { threadStoreOpsHandlers } from 'lib/ops/thread-store-ops.js';
 import {
   type ClientDBUserStoreOperation,
   type UserStoreOperation,
   convertUserInfosToReplaceUserOps,
   userStoreOpsHandlers,
 } from 'lib/ops/user-store-ops.js';
 import { filterThreadIDsInFilterList } from 'lib/reducers/calendar-filters-reducer.js';
 import { highestLocalIDSelector } from 'lib/selectors/local-id-selectors.js';
 import { createAsyncMigrate } from 'lib/shared/create-async-migrate.js';
 import { inconsistencyResponsesToReports } from 'lib/shared/report-utils.js';
 import {
   getContainingThreadID,
   getCommunity,
   assertAllThreadInfosAreLegacy,
 } from 'lib/shared/thread-utils.js';
 import { keyserverStoreTransform } from 'lib/shared/transforms/keyserver-store-transform.js';
 import {
   DEPRECATED_unshimMessageStore,
   unshimFunc,
 } from 'lib/shared/unshim-utils.js';
 import { defaultEnabledApps } from 'lib/types/enabled-apps.js';
 import { defaultCalendarQuery } from 'lib/types/entry-types.js';
 import { defaultCalendarFilters } from 'lib/types/filter-types.js';
 import type { KeyserverInfo } from 'lib/types/keyserver-types.js';
 import {
   messageTypes,
   type MessageType,
 } from 'lib/types/message-types-enum.js';
 import {
   type LocalMessageInfo,
   type MessageStore,
   type MessageStoreThreads,
   type RawMessageInfo,
 } from 'lib/types/message-types.js';
 import { minimallyEncodeRawThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import type { RawThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import type {
   ReportStore,
   ClientReportCreationRequest,
 } from 'lib/types/report-types.js';
 import { defaultConnectionInfo } from 'lib/types/socket-types.js';
 import { defaultGlobalThemeInfo } from 'lib/types/theme-types.js';
 import type {
   ClientDBThreadInfo,
   LegacyRawThreadInfo,
   MixedRawThreadInfos,
 } from 'lib/types/thread-types.js';
 import { wipeKeyserverStore } from 'lib/utils/keyserver-store-utils.js';
 import {
   translateClientDBMessageInfoToRawMessageInfo,
   translateRawMessageInfoToClientDBMessageInfo,
 } from 'lib/utils/message-ops-utils.js';
 import {
   generateIDSchemaMigrationOpsForDrafts,
   convertMessageStoreThreadsToNewIDSchema,
   convertThreadStoreThreadInfosToNewIDSchema,
 } from 'lib/utils/migration-utils.js';
 import { entries } from 'lib/utils/objects.js';
 import { defaultNotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 import { resetUserSpecificState } from 'lib/utils/reducers-utils.js';
 import {
   deprecatedConvertClientDBThreadInfoToRawThreadInfo,
   convertRawThreadInfoToClientDBThreadInfo,
 } from 'lib/utils/thread-ops-utils.js';
 import { getUUID } from 'lib/utils/uuid.js';
 
 import {
   createUpdateDBOpsForMessageStoreMessages,
   createUpdateDBOpsForMessageStoreThreads,
 } from './client-db-utils.js';
 import { defaultState } from './default-state.js';
 import {
   deprecatedCreateUpdateDBOpsForThreadStoreThreadInfos,
   deprecatedUpdateClientDBThreadStoreThreadInfos,
 } from './deprecated-client-db-utils.js';
 import { migrateThreadStoreForEditThreadPermissions } from './edit-thread-permission-migration.js';
 import { legacyUpdateRolesAndPermissions } from './legacy-update-roles-and-permissions.js';
 import { persistMigrationForManagePinsThreadPermission } from './manage-pins-permission-migration.js';
 import { persistMigrationToRemoveSelectRolePermissions } from './remove-select-role-permissions.js';
 import type { AppState } from './state-types.js';
 import { nonUserSpecificFieldsNative } from './state-types.js';
 import { unshimClientDB } from './unshim-utils.js';
 import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
 import { commCoreModule } from '../native-modules.js';
 import { defaultDeviceCameraInfo } from '../types/camera.js';
 import { isTaskCancelledError } from '../utils/error-handling.js';
 import { defaultURLPrefix } from '../utils/url-utils.js';
 
 const persistBlacklist = [
   'loadingStatuses',
   'lifecycleState',
   'dimensions',
   'draftStore',
   'connectivity',
   'deviceOrientation',
   'frozen',
   'threadStore',
   'storeLoaded',
   'dbOpsStore',
+  'syncedMetadataStore',
 ];
 
 function handleReduxMigrationFailure(oldState: AppState): AppState {
   const persistedNonUserSpecificFields = nonUserSpecificFieldsNative.filter(
     field => !persistBlacklist.includes(field) || field === '_persist',
   );
   const stateAfterReset = resetUserSpecificState(
     oldState,
     defaultState,
     persistedNonUserSpecificFields,
   );
   return {
     ...stateAfterReset,
     keyserverStore: wipeKeyserverStore(stateAfterReset.keyserverStore),
   };
 }
 
 const migrations = {
   [1]: (state: AppState) => ({
     ...state,
     notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
   }),
   [2]: (state: AppState) => ({
     ...state,
     messageSentFromRoute: [],
   }),
   [3]: (state: any) => ({
     currentUserInfo: state.currentUserInfo,
     entryStore: state.entryStore,
     threadInfos: state.threadInfos,
     userInfos: state.userInfos,
     messageStore: {
       ...state.messageStore,
       currentAsOf: state.currentAsOf,
     },
     updatesCurrentAsOf: state.currentAsOf,
     cookie: state.cookie,
     deviceToken: state.deviceToken,
     urlPrefix: state.urlPrefix,
     customServer: state.customServer,
     notifPermissionAlertInfo: state.notifPermissionAlertInfo,
     messageSentFromRoute: state.messageSentFromRoute,
     _persist: state._persist,
   }),
   [4]: (state: AppState) => ({
     ...state,
     pingTimestamps: undefined,
     activeServerRequests: undefined,
   }),
   [5]: (state: AppState) => ({
     ...state,
     calendarFilters: defaultCalendarFilters,
   }),
   [6]: (state: any) => ({
     ...state,
     threadInfos: undefined,
     threadStore: {
       threadInfos: state.threadInfos,
       inconsistencyResponses: [],
     },
   }),
   [7]: (state: AppState) => ({
     ...state,
     lastUserInteraction: undefined,
     sessionID: undefined,
     entryStore: {
       ...state.entryStore,
       inconsistencyResponses: [],
     },
   }),
   [8]: (state: AppState) => ({
     ...state,
     pingTimestamps: undefined,
     activeServerRequests: undefined,
     connection: {
       ...defaultConnectionInfo,
       actualizedCalendarQuery: defaultCalendarQuery(Platform.OS),
     },
     watchedThreadIDs: [],
     entryStore: {
       ...state.entryStore,
       actualizedCalendarQuery: undefined,
     },
   }),
   [9]: (state: any) => ({
     ...state,
     connection: {
       ...state.connection,
       lateResponses: [],
     },
   }),
   [10]: (state: any) => ({
     ...state,
     nextLocalID: highestLocalIDSelector(state) + 1,
     connection: {
       ...state.connection,
       showDisconnectedBar: false,
     },
     messageStore: {
       ...state.messageStore,
       local: {},
     },
   }),
   [11]: (state: AppState) => ({
     ...state,
     messageStore: DEPRECATED_unshimMessageStore(state.messageStore, [
       messageTypes.IMAGES,
     ]),
   }),
   [12]: (state: AppState) => ({
     ...state,
     globalThemeInfo: defaultGlobalThemeInfo,
   }),
   [13]: (state: AppState) => ({
     ...state,
     deviceCameraInfo: defaultDeviceCameraInfo,
     deviceOrientation: Orientation.getInitialOrientation(),
   }),
   [14]: (state: AppState) => state,
   [15]: (state: any) => ({
     ...state,
     threadStore: {
       ...state.threadStore,
       inconsistencyReports: inconsistencyResponsesToReports(
         state.threadStore.inconsistencyResponses,
       ),
       inconsistencyResponses: undefined,
     },
     entryStore: {
       ...state.entryStore,
       inconsistencyReports: inconsistencyResponsesToReports(
         state.entryStore.inconsistencyResponses,
       ),
       inconsistencyResponses: undefined,
     },
     queuedReports: [],
   }),
   [16]: (state: any) => {
     const result = {
       ...state,
       messageSentFromRoute: undefined,
       dataLoaded: !!state.currentUserInfo && !state.currentUserInfo.anonymous,
     };
     if (state.navInfo) {
       result.navInfo = {
         ...state.navInfo,
         navigationState: undefined,
       };
     }
     return result;
   },
   [17]: (state: any) => ({
     ...state,
     userInfos: undefined,
     userStore: {
       userInfos: state.userInfos,
       inconsistencyResponses: [],
     },
   }),
   [18]: (state: AppState) => ({
     ...state,
     userStore: {
       userInfos: state.userStore.userInfos,
       inconsistencyReports: [],
     },
   }),
   [19]: (state: any) => {
     const threadInfos: { [string]: LegacyRawThreadInfo } = {};
     for (const threadID in state.threadStore.threadInfos) {
       const threadInfo = state.threadStore.threadInfos[threadID];
       const { visibilityRules, ...rest } = threadInfo;
       threadInfos[threadID] = rest;
     }
     return {
       ...state,
       threadStore: {
         ...state.threadStore,
         threadInfos,
       },
     };
   },
   [20]: (state: AppState) => ({
     ...state,
     messageStore: DEPRECATED_unshimMessageStore(state.messageStore, [
       messageTypes.LEGACY_UPDATE_RELATIONSHIP,
     ]),
   }),
   [21]: (state: AppState) => ({
     ...state,
     messageStore: DEPRECATED_unshimMessageStore(state.messageStore, [
       messageTypes.CREATE_SIDEBAR,
       messageTypes.SIDEBAR_SOURCE,
     ]),
   }),
   [22]: (state: any) => {
     for (const key in state.drafts) {
       const value = state.drafts[key];
       try {
         void commCoreModule.updateDraft(key, value);
       } catch (e) {
         if (!isTaskCancelledError(e)) {
           throw e;
         }
       }
     }
     return {
       ...state,
       drafts: undefined,
     };
   },
   [23]: (state: AppState) => ({
     ...state,
     globalThemeInfo: defaultGlobalThemeInfo,
   }),
   [24]: (state: AppState) => ({
     ...state,
     enabledApps: defaultEnabledApps,
   }),
   [25]: (state: AppState) => ({
     ...state,
     crashReportsEnabled: __DEV__,
   }),
   [26]: (state: any) => {
     const { currentUserInfo } = state;
     if (currentUserInfo.anonymous) {
       return state;
     }
     return {
       ...state,
       crashReportsEnabled: undefined,
       currentUserInfo: {
         id: currentUserInfo.id,
         username: currentUserInfo.username,
       },
       enabledReports: {
         crashReports: __DEV__,
         inconsistencyReports: __DEV__,
         mediaReports: __DEV__,
       },
     };
   },
   [27]: (state: any) => ({
     ...state,
     queuedReports: undefined,
     enabledReports: undefined,
     threadStore: {
       ...state.threadStore,
       inconsistencyReports: undefined,
     },
     entryStore: {
       ...state.entryStore,
       inconsistencyReports: undefined,
     },
     reportStore: {
       enabledReports: {
         crashReports: __DEV__,
         inconsistencyReports: __DEV__,
         mediaReports: __DEV__,
       },
       queuedReports: [
         ...state.entryStore.inconsistencyReports,
         ...state.threadStore.inconsistencyReports,
         ...state.queuedReports,
       ],
     },
   }),
   [28]: (state: AppState) => {
     const threadParentToChildren: { [string]: string[] } = {};
     for (const threadID in state.threadStore.threadInfos) {
       const threadInfo = state.threadStore.threadInfos[threadID];
       const parentThreadInfo = threadInfo.parentThreadID
         ? state.threadStore.threadInfos[threadInfo.parentThreadID]
         : null;
       const parentIndex = parentThreadInfo ? parentThreadInfo.id : '-1';
       if (!threadParentToChildren[parentIndex]) {
         threadParentToChildren[parentIndex] = [];
       }
       threadParentToChildren[parentIndex].push(threadID);
     }
 
     const rootIDs = threadParentToChildren['-1'];
     if (!rootIDs) {
       // This should never happen, but if it somehow does we'll let the state
       // check mechanism resolve it...
       return state;
     }
 
     const threadInfos: {
       [string]: LegacyRawThreadInfo | RawThreadInfo,
     } = {};
     const stack = [...rootIDs];
     while (stack.length > 0) {
       const threadID = stack.shift();
       const threadInfo = state.threadStore.threadInfos[threadID];
       const parentThreadInfo = threadInfo.parentThreadID
         ? threadInfos[threadInfo.parentThreadID]
         : null;
       threadInfos[threadID] = {
         ...threadInfo,
         containingThreadID: getContainingThreadID(
           parentThreadInfo,
           threadInfo.type,
         ),
         community: getCommunity(parentThreadInfo),
       };
       const children = threadParentToChildren[threadID];
       if (children) {
         stack.push(...children);
       }
     }
     return { ...state, threadStore: { ...state.threadStore, threadInfos } };
   },
   [29]: (state: AppState) => {
     const legacyRawThreadInfos: {
       +[id: string]: LegacyRawThreadInfo,
     } = assertAllThreadInfosAreLegacy(state.threadStore.threadInfos);
 
     const updatedThreadInfos =
       migrateThreadStoreForEditThreadPermissions(legacyRawThreadInfos);
 
     return {
       ...state,
       threadStore: {
         ...state.threadStore,
         threadInfos: updatedThreadInfos,
       },
     };
   },
   [30]: (state: AppState) => {
     const threadInfos = state.threadStore.threadInfos;
     const operations = [
       {
         type: 'remove_all',
       },
       ...Object.keys(threadInfos).map((id: string) => ({
         type: 'replace',
         payload: { id, threadInfo: threadInfos[id] },
       })),
     ];
     try {
       commCoreModule.processThreadStoreOperationsSync(
         threadStoreOpsHandlers.convertOpsToClientDBOps(operations),
       );
     } catch (exception) {
       console.log(exception);
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return { ...state, cookie: null };
     }
     return state;
   },
   [31]: (state: AppState) => {
     const messages = state.messageStore.messages;
     const operations: $ReadOnlyArray<ClientDBMessageStoreOperation> = [
       {
         type: 'remove_all',
       },
       ...Object.keys(messages).map((id: string) => ({
         type: 'replace',
         payload: translateRawMessageInfoToClientDBMessageInfo(messages[id]),
       })),
     ];
     try {
       commCoreModule.processMessageStoreOperationsSync(operations);
     } catch (exception) {
       console.log(exception);
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return { ...state, cookie: null };
     }
     return state;
   },
   [32]: (state: AppState) => unshimClientDB(state, [messageTypes.MULTIMEDIA]),
   [33]: (state: AppState) => unshimClientDB(state, [messageTypes.REACTION]),
   [34]: (state: any) => {
     const { threadIDsToNotifIDs, ...stateSansThreadIDsToNotifIDs } = state;
     return stateSansThreadIDsToNotifIDs;
   },
   [35]: (state: AppState) => unshimClientDB(state, [messageTypes.MULTIMEDIA]),
   [36]: (state: AppState) => {
     // 1. Get threads and messages from SQLite `threads` and `messages` tables.
     const clientDBThreadInfos = commCoreModule.getAllThreadsSync();
     const clientDBMessageInfos = commCoreModule.getAllMessagesSync();
 
     // 2. Translate `ClientDBThreadInfo`s to `RawThreadInfo`s and
     //    `ClientDBMessageInfo`s to `RawMessageInfo`s.
     const rawThreadInfos = clientDBThreadInfos.map(
       deprecatedConvertClientDBThreadInfoToRawThreadInfo,
     );
     const rawMessageInfos = clientDBMessageInfos.map(
       translateClientDBMessageInfoToRawMessageInfo,
     );
 
     // 3. Unshim translated `RawMessageInfos` to get the TOGGLE_PIN messages
     const unshimmedRawMessageInfos = rawMessageInfos.map(messageInfo =>
       unshimFunc(messageInfo, new Set<MessageType>([messageTypes.TOGGLE_PIN])),
     );
 
     // 4. Filter out non-TOGGLE_PIN messages
     const filteredRawMessageInfos = unshimmedRawMessageInfos
       .map(messageInfo =>
         messageInfo.type === messageTypes.TOGGLE_PIN ? messageInfo : null,
       )
       .filter(Boolean);
 
     // 5. We want only the last TOGGLE_PIN message for each message ID,
     // so 'pin', 'unpin', 'pin' don't count as 3 pins, but only 1.
     const lastMessageIDToRawMessageInfoMap = new Map<string, RawMessageInfo>();
     for (const messageInfo of filteredRawMessageInfos) {
       const { targetMessageID } = messageInfo;
       lastMessageIDToRawMessageInfoMap.set(targetMessageID, messageInfo);
     }
     const lastMessageIDToRawMessageInfos = Array.from(
       lastMessageIDToRawMessageInfoMap.values(),
     );
 
     // 6. Create a Map of threadIDs to pinnedCount
     const threadIDsToPinnedCount = new Map<string, number>();
     for (const messageInfo of lastMessageIDToRawMessageInfos) {
       const { threadID, type } = messageInfo;
       if (type === messageTypes.TOGGLE_PIN) {
         const pinnedCount = threadIDsToPinnedCount.get(threadID) || 0;
         threadIDsToPinnedCount.set(threadID, pinnedCount + 1);
       }
     }
 
     // 7. Include a pinnedCount for each rawThreadInfo
     const rawThreadInfosWithPinnedCount = rawThreadInfos.map(threadInfo => ({
       ...threadInfo,
       pinnedCount: threadIDsToPinnedCount.get(threadInfo.id) || 0,
     }));
 
     // 8. Convert rawThreadInfos to a map of threadID to threadInfo
     const threadIDToThreadInfo = rawThreadInfosWithPinnedCount.reduce(
       (
         acc: { [string]: LegacyRawThreadInfo },
         threadInfo: LegacyRawThreadInfo,
       ) => {
         acc[threadInfo.id] = threadInfo;
         return acc;
       },
       {},
     );
 
     // 9. Add threadPermission to each threadInfo
     const rawThreadInfosWithThreadPermission =
       persistMigrationForManagePinsThreadPermission(threadIDToThreadInfo);
 
     // 10. Convert the new threadInfos back into an array
     const rawThreadInfosWithCountAndPermission = Object.keys(
       rawThreadInfosWithThreadPermission,
     ).map(id => rawThreadInfosWithThreadPermission[id]);
 
     // 11. Translate `RawThreadInfo`s to `ClientDBThreadInfo`s.
     const convertedClientDBThreadInfos =
       rawThreadInfosWithCountAndPermission.map(
         convertRawThreadInfoToClientDBThreadInfo,
       );
 
     // 12. Construct `ClientDBThreadStoreOperation`s to clear SQLite `threads`
     //    table and repopulate with `ClientDBThreadInfo`s.
     const operations: $ReadOnlyArray<ClientDBThreadStoreOperation> = [
       {
         type: 'remove_all',
       },
       ...convertedClientDBThreadInfos.map((thread: ClientDBThreadInfo) => ({
         type: 'replace',
         payload: thread,
       })),
     ];
 
     // 13. Try processing `ClientDBThreadStoreOperation`s and log out if
     //    `processThreadStoreOperationsSync(...)` throws an exception.
     try {
       commCoreModule.processThreadStoreOperationsSync(operations);
     } catch (exception) {
       console.log(exception);
       return { ...state, cookie: null };
     }
 
     return state;
   },
   [37]: (state: AppState) => {
     const operations = messageStoreOpsHandlers.convertOpsToClientDBOps([
       {
         type: 'remove_all_threads',
       },
       {
         type: 'replace_threads',
         payload: { threads: state.messageStore.threads },
       },
     ]);
 
     try {
       commCoreModule.processMessageStoreOperationsSync(operations);
     } catch (exception) {
       console.error(exception);
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return { ...state, cookie: null };
     }
 
     return state;
   },
   [38]: (state: AppState) =>
     deprecatedUpdateClientDBThreadStoreThreadInfos(
       state,
       legacyUpdateRolesAndPermissions,
     ),
   [39]: (state: AppState) => unshimClientDB(state, [messageTypes.EDIT_MESSAGE]),
   [40]: (state: AppState) =>
     deprecatedUpdateClientDBThreadStoreThreadInfos(
       state,
       legacyUpdateRolesAndPermissions,
     ),
   [41]: (state: AppState) => {
     const queuedReports = state.reportStore.queuedReports.map(report => ({
       ...report,
       id: getUUID(),
     }));
     return {
       ...state,
       reportStore: { ...state.reportStore, queuedReports },
     };
   },
   [42]: (state: AppState) => {
     const reportStoreOperations: $ReadOnlyArray<ReportStoreOperation> = [
       { type: 'remove_all_reports' },
       ...convertReportsToReplaceReportOps(state.reportStore.queuedReports),
     ];
     const dbOperations: $ReadOnlyArray<ClientDBReportStoreOperation> =
       reportStoreOpsHandlers.convertOpsToClientDBOps(reportStoreOperations);
 
     try {
       commCoreModule.processReportStoreOperationsSync(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return { ...state, cookie: null };
     }
     return state;
   },
   [43]: async (state: any) => {
     const { messages, drafts, threads, messageStoreThreads } =
       await commCoreModule.getClientDBStore();
 
     const messageStoreThreadsOperations =
       createUpdateDBOpsForMessageStoreThreads(
         messageStoreThreads,
         convertMessageStoreThreadsToNewIDSchema,
       );
 
     const messageStoreMessagesOperations =
       createUpdateDBOpsForMessageStoreMessages(messages, messageInfos =>
         messageInfos.map(convertRawMessageInfoToNewIDSchema),
       );
 
     const threadOperations =
       deprecatedCreateUpdateDBOpsForThreadStoreThreadInfos(
         threads,
         convertThreadStoreThreadInfosToNewIDSchema,
       );
 
     const draftOperations = generateIDSchemaMigrationOpsForDrafts(drafts);
 
     try {
       await Promise.all([
         commCoreModule.processMessageStoreOperations([
           ...messageStoreMessagesOperations,
           ...messageStoreThreadsOperations,
         ]),
         commCoreModule.processThreadStoreOperations(threadOperations),
         commCoreModule.processDraftStoreOperations(draftOperations),
       ]);
     } catch (exception) {
       console.log(exception);
       return { ...state, cookie: null };
     }
 
     const inviteLinksStore =
       state.inviteLinksStore ?? defaultState.inviteLinksStore;
 
     return {
       ...state,
       entryStore: convertEntryStoreToNewIDSchema(state.entryStore),
       messageStore: convertMessageStoreToNewIDSchema(state.messageStore),
       calendarFilters: state.calendarFilters.map(
         convertCalendarFilterToNewIDSchema,
       ),
       connection: convertConnectionInfoToNewIDSchema(state.connection),
       watchedThreadIDs: state.watchedThreadIDs.map(
         id => `${authoritativeKeyserverID}|${id}`,
       ),
       inviteLinksStore: convertInviteLinksStoreToNewIDSchema(inviteLinksStore),
     };
   },
   [44]: async (state: any) => {
     const { cookie, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         keyserverInfos: { [authoritativeKeyserverID]: { cookie } },
       },
     };
   },
   [45]: async (state: any) => {
     const { updatesCurrentAsOf, keyserverStore, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverStore.keyserverInfos[authoritativeKeyserverID],
             updatesCurrentAsOf,
           },
         },
       },
     };
   },
   [46]: async (state: AppState) => {
     const { currentAsOf } = state.messageStore;
 
     return {
       ...state,
       messageStore: {
         ...state.messageStore,
         currentAsOf: { [authoritativeKeyserverID]: currentAsOf },
       },
     };
   },
   [47]: async (state: any) => {
     const { urlPrefix, keyserverStore, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverStore.keyserverInfos[authoritativeKeyserverID],
             urlPrefix,
           },
         },
       },
     };
   },
   [48]: async (state: any) => {
     const { connection, keyserverStore, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverStore.keyserverInfos[authoritativeKeyserverID],
             connection,
           },
         },
       },
     };
   },
   [49]: async (state: AppState) => {
     const { keyserverStore, ...rest } = state;
 
     const { connection, ...keyserverRest } =
       keyserverStore.keyserverInfos[authoritativeKeyserverID];
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverRest,
           },
         },
       },
       connection,
     };
   },
   [50]: async (state: any) => {
     const { connection, ...rest } = state;
     const { actualizedCalendarQuery, ...connectionRest } = connection;
 
     return {
       ...rest,
       connection: connectionRest,
       actualizedCalendarQuery,
     };
   },
   [51]: async (state: any) => {
     const { lastCommunicatedPlatformDetails, keyserverStore, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverStore.keyserverInfos[authoritativeKeyserverID],
             lastCommunicatedPlatformDetails,
           },
         },
       },
     };
   },
   [52]: async (state: AppState) => ({
     ...state,
     integrityStore: {
       threadHashes: {},
       threadHashingStatus: 'data_not_loaded',
     },
   }),
   [53]: (state: any) => {
     if (!state.userStore.inconsistencyReports) {
       return state;
     }
     const reportStoreOperations = convertReportsToReplaceReportOps(
       state.userStore.inconsistencyReports,
     );
     const dbOperations: $ReadOnlyArray<ClientDBReportStoreOperation> =
       reportStoreOpsHandlers.convertOpsToClientDBOps(reportStoreOperations);
     try {
       commCoreModule.processReportStoreOperationsSync(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return handleReduxMigrationFailure(state);
     }
 
     const { inconsistencyReports, ...newUserStore } = state.userStore;
     const queuedReports = reportStoreOpsHandlers.processStoreOperations(
       state.reportStore.queuedReports,
       reportStoreOperations,
     );
     return {
       ...state,
       userStore: newUserStore,
       reportStore: {
         ...state.reportStore,
         queuedReports,
       },
     };
   },
   [54]: (state: any) => {
     let updatedMessageStoreThreads: MessageStoreThreads = {};
     for (const threadID: string in state.messageStore.threads) {
       const { lastNavigatedTo, lastPruned, ...rest } =
         state.messageStore.threads[threadID];
 
       updatedMessageStoreThreads = {
         ...updatedMessageStoreThreads,
         [threadID]: rest,
       };
     }
 
     return {
       ...state,
       messageStore: {
         ...state.messageStore,
         threads: updatedMessageStoreThreads,
       },
     };
   },
   [55]: async (state: AppState) =>
     __DEV__
       ? {
           ...state,
           keyserverStore: {
             ...state.keyserverStore,
             keyserverInfos: {
               ...state.keyserverStore.keyserverInfos,
               [authoritativeKeyserverID]: {
                 ...state.keyserverStore.keyserverInfos[
                   authoritativeKeyserverID
                 ],
                 urlPrefix: defaultURLPrefix,
               },
             },
           },
         }
       : state,
   [56]: (state: any) => {
     const { deviceToken, keyserverStore, ...rest } = state;
 
     return {
       ...rest,
       keyserverStore: {
         ...keyserverStore,
         keyserverInfos: {
           ...keyserverStore.keyserverInfos,
           [authoritativeKeyserverID]: {
             ...keyserverStore.keyserverInfos[authoritativeKeyserverID],
             deviceToken,
           },
         },
       },
     };
   },
   [57]: async (state: any) => {
     const {
       connection,
       keyserverStore: { keyserverInfos },
       ...rest
     } = state;
     const newKeyserverInfos: { [string]: KeyserverInfo } = {};
     for (const key in keyserverInfos) {
       newKeyserverInfos[key] = {
         ...keyserverInfos[key],
         connection: { ...defaultConnectionInfo },
       };
     }
     return {
       ...rest,
       keyserverStore: {
         ...state.keyserverStore,
         keyserverInfos: newKeyserverInfos,
       },
     };
   },
   [58]: async (state: AppState) => {
     const userStoreOperations: $ReadOnlyArray<UserStoreOperation> = [
       { type: 'remove_all_users' },
       ...convertUserInfosToReplaceUserOps(state.userStore.userInfos),
     ];
     const dbOperations: $ReadOnlyArray<ClientDBUserStoreOperation> =
       userStoreOpsHandlers.convertOpsToClientDBOps(userStoreOperations);
 
     try {
       await commCoreModule.processUserStoreOperations(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return handleReduxMigrationFailure(state);
     }
     return state;
   },
   [59]: (state: AppState) => {
     const clientDBThreadInfos = commCoreModule.getAllThreadsSync();
     const rawThreadInfos = clientDBThreadInfos.map(
       deprecatedConvertClientDBThreadInfoToRawThreadInfo,
     );
     const rawThreadInfosObject = rawThreadInfos.reduce(
       (
         acc: { [string]: LegacyRawThreadInfo },
         threadInfo: LegacyRawThreadInfo,
       ) => {
         acc[threadInfo.id] = threadInfo;
         return acc;
       },
       {},
     );
 
     const migratedRawThreadInfos =
       persistMigrationToRemoveSelectRolePermissions(rawThreadInfosObject);
 
     const migratedThreadInfosArray = Object.keys(migratedRawThreadInfos).map(
       id => migratedRawThreadInfos[id],
     );
     const convertedClientDBThreadInfos = migratedThreadInfosArray.map(
       convertRawThreadInfoToClientDBThreadInfo,
     );
     const operations: $ReadOnlyArray<ClientDBThreadStoreOperation> = [
       {
         type: 'remove_all',
       },
       ...convertedClientDBThreadInfos.map((thread: ClientDBThreadInfo) => ({
         type: 'replace',
         payload: thread,
       })),
     ];
 
     try {
       commCoreModule.processThreadStoreOperationsSync(operations);
     } catch (exception) {
       console.log(exception);
       return handleReduxMigrationFailure(state);
     }
 
     return state;
   },
   [60]: (state: AppState) =>
     deprecatedUpdateClientDBThreadStoreThreadInfos(
       state,
       legacyUpdateRolesAndPermissions,
       handleReduxMigrationFailure,
     ),
   [61]: (state: AppState) => {
     const minimallyEncodeThreadInfosFunc = (
       threadStoreInfos: MixedRawThreadInfos,
     ): MixedRawThreadInfos =>
       Object.keys(threadStoreInfos).reduce(
         (
           acc: {
             [string]: LegacyRawThreadInfo | RawThreadInfo,
           },
           key: string,
         ) => {
           const threadInfo = threadStoreInfos[key];
           acc[threadInfo.id] = threadInfo.minimallyEncoded
             ? threadInfo
             : minimallyEncodeRawThreadInfo(threadInfo);
           return acc;
         },
         {},
       );
     return deprecatedUpdateClientDBThreadStoreThreadInfos(
       state,
       minimallyEncodeThreadInfosFunc,
       handleReduxMigrationFailure,
     );
   },
   [62]: async (state: AppState) => {
     const replaceOps: $ReadOnlyArray<ReplaceKeyserverOperation> = entries(
       state.keyserverStore.keyserverInfos,
     ).map(([id, keyserverInfo]) => ({
       type: 'replace_keyserver',
       payload: {
         id,
         keyserverInfo,
       },
     }));
 
     const dbOperations: $ReadOnlyArray<ClientDBKeyserverStoreOperation> =
       keyserverStoreOpsHandlers.convertOpsToClientDBOps([
         { type: 'remove_all_keyservers' },
         ...replaceOps,
       ]);
 
     try {
       await commCoreModule.processKeyserverStoreOperations(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return handleReduxMigrationFailure(state);
     }
     return state;
   },
   [63]: async (state: any) => {
     const { actualizedCalendarQuery, ...rest } = state;
     const operations: $ReadOnlyArray<ReplaceKeyserverOperation> = entries(
       state.keyserverStore.keyserverInfos,
     ).map(([id, keyserverInfo]) => ({
       type: 'replace_keyserver',
       payload: {
         id,
         keyserverInfo: {
           ...keyserverInfo,
           actualizedCalendarQuery: {
             ...actualizedCalendarQuery,
             filters: filterThreadIDsInFilterList(
               actualizedCalendarQuery.filters,
               (threadID: string) => extractKeyserverIDFromID(threadID) === id,
             ),
           },
         },
       },
     }));
     const dbOperations: $ReadOnlyArray<ClientDBKeyserverStoreOperation> =
       keyserverStoreOpsHandlers.convertOpsToClientDBOps(operations);
 
     const newState = {
       ...rest,
       keyserverStore: keyserverStoreOpsHandlers.processStoreOperations(
         rest.keyserverStore,
         operations,
       ),
     };
     try {
       await commCoreModule.processKeyserverStoreOperations(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return newState;
       }
       return handleReduxMigrationFailure(newState);
     }
     return newState;
   },
   // Migration 64 is a noop to unblock a `native` release since the previous
   // contents are not ready to be deployed to prod and we don't want to
   // decrement migration 65.
   [64]: (state: AppState) => state,
   [65]: async (state: AppState) => {
     const replaceOp: ReplaceIntegrityThreadHashesOperation = {
       type: 'replace_integrity_thread_hashes',
       payload: {
         threadHashes: state.integrityStore.threadHashes,
       },
     };
 
     const dbOperations: $ReadOnlyArray<ClientDBIntegrityStoreOperation> =
       integrityStoreOpsHandlers.convertOpsToClientDBOps([
         { type: 'remove_all_integrity_thread_hashes' },
         replaceOp,
       ]);
 
     try {
       await commCoreModule.processIntegrityStoreOperations(dbOperations);
     } catch (exception) {
       if (isTaskCancelledError(exception)) {
         return state;
       }
       return handleReduxMigrationFailure(state);
     }
     return state;
   },
 };
 
 // After migration 31, we'll no longer want to persist `messageStore.messages`
 // via redux-persist. However, we DO want to continue persisting everything in
 // `messageStore` EXCEPT for `messages`. The `blacklist` property in
 // `persistConfig` allows us to specify top-level keys that shouldn't be
 // persisted. However, we aren't able to specify nested keys in `blacklist`.
 // As a result, if we want to prevent nested keys from being persisted we'll
 // need to use `createTransform(...)` to specify an `inbound` function that
 // allows us to modify the `state` object before it's passed through
 // `JSON.stringify(...)` and written to disk. We specify the keys for which
 // this transformation should be executed in the `whitelist` property of the
 // `config` object that's passed to `createTransform(...)`.
 type PersistedMessageStore = {
   +local: { +[id: string]: LocalMessageInfo },
   +currentAsOf: { +[keyserverID: string]: number },
 };
 const messageStoreMessagesBlocklistTransform: Transform = createTransform(
   (state: MessageStore): PersistedMessageStore => {
     const { messages, threads, ...messageStoreSansMessages } = state;
     return { ...messageStoreSansMessages };
   },
   (state: MessageStore): MessageStore => {
     // We typically expect `messageStore.messages` to be `undefined` because
     // messages are persisted in the SQLite `messages` table rather than via
     // `redux-persist`. In this case we want to set `messageStore.messages`
     // to {} so we don't run into issues with `messageStore.messages` being
     // `undefined` (https://phab.comm.dev/D5545).
     //
     // However, in the case that a user is upgrading from a client where
     // `persistConfig.version` < 31, we expect `messageStore.messages` to
     // contain messages stored via `redux-persist` that we need in order
     // to correctly populate the SQLite `messages` table in migration 31
     // (https://phab.comm.dev/D2600).
     //
     // However, because `messageStoreMessagesBlocklistTransform` modifies
     // `messageStore` before migrations are run, we need to make sure we aren't
     // inadvertently clearing `messageStore.messages` (by setting to {}) before
     // messages are stored in SQLite (https://linear.app/comm/issue/ENG-2377).
     return {
       ...state,
       threads: state.threads ?? {},
       messages: state.messages ?? {},
     };
   },
   { whitelist: ['messageStore'] },
 );
 
 type PersistedReportStore = $Diff<
   ReportStore,
   { +queuedReports: $ReadOnlyArray<ClientReportCreationRequest> },
 >;
 const reportStoreTransform: Transform = createTransform(
   (state: ReportStore): PersistedReportStore => {
     return { enabledReports: state.enabledReports };
   },
   (state: PersistedReportStore): ReportStore => {
     return { ...state, queuedReports: [] };
   },
   { whitelist: ['reportStore'] },
 );
 
 const persistConfig = {
   key: 'root',
   storage: AsyncStorage,
   blacklist: persistBlacklist,
   debug: __DEV__,
   version: 65,
   transforms: [
     messageStoreMessagesBlocklistTransform,
     reportStoreTransform,
     keyserverStoreTransform,
   ],
   migrate: (createAsyncMigrate(migrations, { debug: __DEV__ }): any),
   timeout: ((__DEV__ ? 0 : undefined): number | void),
 };
 
 const codeVersion: number = commCoreModule.getCodeVersion();
 
 // This local exists to avoid a circular dependency where redux-setup needs to
 // import all the navigation and screen stuff, but some of those screens want to
 // access the persistor to purge its state.
 let storedPersistor = null;
 function setPersistor(persistor: *) {
   storedPersistor = persistor;
 }
 function getPersistor(): empty {
   invariant(storedPersistor, 'should be set');
   return storedPersistor;
 }
 
 export { persistConfig, codeVersion, setPersistor, getPersistor };
diff --git a/native/redux/redux-setup.js b/native/redux/redux-setup.js
index db93bf990..6090c9c90 100644
--- a/native/redux/redux-setup.js
+++ b/native/redux/redux-setup.js
@@ -1,458 +1,460 @@
 // @flow
 
 import { AppState as NativeAppState, Alert } from 'react-native';
 import { createStore, applyMiddleware, type Store, compose } from 'redux';
 import { persistStore, persistReducer } from 'redux-persist';
 import thunk from 'redux-thunk';
 
 import { setClientDBStoreActionType } from 'lib/actions/client-db-store-actions.js';
 import { siweAuthActionTypes } from 'lib/actions/siwe-actions.js';
 import {
   logOutActionTypes,
   deleteAccountActionTypes,
   logInActionTypes,
   keyserverAuthActionTypes,
   deleteKeyserverAccountActionTypes,
   identityRegisterActionTypes,
   identityLogInActionTypes,
 } from 'lib/actions/user-actions.js';
 import { setNewSessionActionType } from 'lib/keyserver-conn/keyserver-conn-types.js';
 import type { ThreadStoreOperation } from 'lib/ops/thread-store-ops.js';
 import { threadStoreOpsHandlers } from 'lib/ops/thread-store-ops.js';
 import { queueDBOps } from 'lib/reducers/db-ops-reducer.js';
 import { reduceLoadingStatuses } from 'lib/reducers/loading-reducer.js';
 import baseReducer from 'lib/reducers/master-reducer.js';
 import {
   invalidSessionDowngrade,
   invalidSessionRecovery,
   identityInvalidSessionDowngrade,
 } from 'lib/shared/session-utils.js';
 import { isStaff } from 'lib/shared/staff-utils.js';
 import type { Dispatch, BaseAction } from 'lib/types/redux-types.js';
 import { rehydrateActionType } from 'lib/types/redux-types.js';
 import type { SetSessionPayload } from 'lib/types/session-types.js';
 import { reduxLoggerMiddleware } from 'lib/utils/action-logger.js';
 import { resetUserSpecificState } from 'lib/utils/reducers-utils.js';
 
 import {
   updateDimensionsActiveType,
   updateConnectivityActiveType,
   updateDeviceCameraInfoActionType,
   updateDeviceOrientationActionType,
   backgroundActionTypes,
   setReduxStateActionType,
   setStoreLoadedActionType,
   type Action,
   setLocalSettingsActionType,
 } from './action-types.js';
 import { defaultState } from './default-state.js';
 import { remoteReduxDevServerConfig } from './dev-tools.js';
 import { persistConfig, setPersistor } from './persist.js';
 import { onStateDifference } from './redux-debug-utils.js';
 import { nonUserSpecificFieldsNative } from './state-types.js';
 import type { AppState } from './state-types.js';
 import { getGlobalNavContext } from '../navigation/icky-global.js';
 import { activeMessageListSelector } from '../navigation/nav-selectors.js';
 import reactotron from '../reactotron.js';
 import { AppOutOfDateAlertDetails } from '../utils/alert-messages.js';
 import { isStaffRelease } from '../utils/staff-utils.js';
 import { getDevServerHostname } from '../utils/url-utils.js';
 
 function reducer(state: AppState = defaultState, inputAction: Action) {
   let action = inputAction;
 
   if (action.type === setReduxStateActionType) {
     return action.payload.state;
   }
 
   // We want to alert staff/developers if there's a difference between the keys
   // we expect to see REHYDRATED and the keys that are actually REHYDRATED.
   // Context: https://linear.app/comm/issue/ENG-2127/
   if (
     action.type === rehydrateActionType &&
     (__DEV__ ||
       isStaffRelease ||
       (state.currentUserInfo &&
         state.currentUserInfo.id &&
         isStaff(state.currentUserInfo.id)))
   ) {
     // 1. Construct set of keys expected to be REHYDRATED
     const defaultKeys: $ReadOnlyArray<string> = Object.keys(defaultState);
     const expectedKeys = defaultKeys.filter(
       each => !persistConfig.blacklist.includes(each),
     );
     const expectedKeysSet = new Set(expectedKeys);
 
     // 2. Construct set of keys actually REHYDRATED
     const rehydratedKeys: $ReadOnlyArray<string> = Object.keys(
       action.payload ?? {},
     );
     const rehydratedKeysSet = new Set(rehydratedKeys);
 
     // 3. Determine the difference between the two sets
     const expectedKeysNotRehydrated = expectedKeys.filter(
       each => !rehydratedKeysSet.has(each),
     );
     const rehydratedKeysNotExpected = rehydratedKeys.filter(
       each => !expectedKeysSet.has(each),
     );
 
     // 4. Display alerts with the differences between the two sets
     if (expectedKeysNotRehydrated.length > 0) {
       Alert.alert(
         `EXPECTED KEYS NOT REHYDRATED: ${JSON.stringify(
           expectedKeysNotRehydrated,
         )}`,
       );
     }
     if (rehydratedKeysNotExpected.length > 0) {
       Alert.alert(
         `REHYDRATED KEYS NOT EXPECTED: ${JSON.stringify(
           rehydratedKeysNotExpected,
         )}`,
       );
     }
   }
 
   if (
     action.type === setNewSessionActionType &&
     invalidSessionDowngrade(
       state,
       action.payload.sessionChange.currentUserInfo,
       action.payload.preRequestUserState,
       action.payload.keyserverID,
     )
   ) {
     return {
       ...state,
       loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
     };
   } else if (action.type === deleteKeyserverAccountActionTypes.success) {
     const { currentUserInfo, preRequestUserState } = action.payload;
     const newKeyserverIDs = [];
     for (const keyserverID of action.payload.keyserverIDs) {
       if (
         invalidSessionDowngrade(
           state,
           currentUserInfo,
           preRequestUserState,
           keyserverID,
         )
       ) {
         continue;
       }
       newKeyserverIDs.push(keyserverID);
     }
     if (newKeyserverIDs.length === 0) {
       return {
         ...state,
         loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       };
     }
     action = {
       ...action,
       payload: {
         ...action.payload,
         keyserverIDs: newKeyserverIDs,
       },
     };
   } else if (
     action.type === logOutActionTypes.success ||
     action.type === deleteAccountActionTypes.success
   ) {
     const { currentUserInfo, preRequestUserState } = action.payload;
     if (
       identityInvalidSessionDowngrade(
         state,
         currentUserInfo,
         preRequestUserState,
       )
     ) {
       return {
         ...state,
         loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       };
     }
 
     state = resetUserSpecificState(
       state,
       defaultState,
       nonUserSpecificFieldsNative,
     );
   } else if (action.type === identityRegisterActionTypes.success) {
     state = resetUserSpecificState(
       state,
       defaultState,
       nonUserSpecificFieldsNative,
     );
   } else if (
     action.type === identityLogInActionTypes.success &&
     action.payload.userID !== action.payload.preRequestUserState?.id
   ) {
     state = resetUserSpecificState(
       state,
       defaultState,
       nonUserSpecificFieldsNative,
     );
   }
   if (
     (action.type === setNewSessionActionType &&
       action.payload.sessionChange.currentUserInfo &&
       invalidSessionRecovery(
         state,
         action.payload.sessionChange.currentUserInfo,
         action.payload.authActionSource,
       )) ||
     ((action.type === logInActionTypes.success ||
       action.type === siweAuthActionTypes.success) &&
       invalidSessionRecovery(
         state,
         action.payload.currentUserInfo,
         action.payload.authActionSource,
       )) ||
     (action.type === keyserverAuthActionTypes.success &&
       invalidSessionRecovery(
         state,
         action.payload.preRequestUserInfo,
         action.payload.authActionSource,
       ))
   ) {
     return state;
   }
 
   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 === updateDeviceCameraInfoActionType) {
     return {
       ...state,
       deviceCameraInfo: {
         ...state.deviceCameraInfo,
         ...action.payload,
       },
     };
   } else if (action.type === updateDeviceOrientationActionType) {
     return {
       ...state,
       deviceOrientation: action.payload,
     };
   } else if (action.type === setLocalSettingsActionType) {
     return {
       ...state,
       localSettings: { ...state.localSettings, ...action.payload },
     };
   }
 
   if (action.type === setNewSessionActionType) {
     sessionInvalidationAlert(action.payload);
   }
   if (action.type === setStoreLoadedActionType) {
     return {
       ...state,
       storeLoaded: true,
     };
   }
   if (action.type === setClientDBStoreActionType) {
     state = {
       ...state,
       storeLoaded: true,
     };
     const currentLoggedInUserID = state.currentUserInfo?.anonymous
       ? undefined
       : state.currentUserInfo?.id;
     const actionCurrentLoggedInUserID = action.payload.currentUserID;
     if (
       !currentLoggedInUserID ||
       !actionCurrentLoggedInUserID ||
       actionCurrentLoggedInUserID !== currentLoggedInUserID
     ) {
       // If user is logged out now, was logged out at the time action was
       // dispatched or their ID changed between action dispatch and a
       // call to reducer we ignore the SQLite data since it is not valid
       return state;
     }
   }
 
   const baseReducerResult = baseReducer(
     state,
     (action: BaseAction),
     onStateDifference,
   );
   state = baseReducerResult.state;
 
   const { storeOperations } = baseReducerResult;
   const {
     draftStoreOperations,
     threadStoreOperations,
     messageStoreOperations,
     reportStoreOperations,
     userStoreOperations,
     keyserverStoreOperations,
     communityStoreOperations,
     integrityStoreOperations,
+    syncedMetadataStoreOperations,
   } = storeOperations;
 
   const fixUnreadActiveThreadResult = fixUnreadActiveThread(state, action);
   state = fixUnreadActiveThreadResult.state;
 
   const threadStoreOperationsWithUnreadFix = [
     ...threadStoreOperations,
     ...fixUnreadActiveThreadResult.threadStoreOperations,
   ];
 
   const ops = {
     draftStoreOperations,
     messageStoreOperations,
     threadStoreOperations: threadStoreOperationsWithUnreadFix,
     reportStoreOperations,
     userStoreOperations,
     keyserverStoreOperations,
     communityStoreOperations,
     integrityStoreOperations,
+    syncedMetadataStoreOperations,
   };
   state = {
     ...state,
     dbOpsStore: queueDBOps(state.dbOpsStore, action.messageID, ops),
   };
 
   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') {
     Alert.alert(
       AppOutOfDateAlertDetails.title,
       AppOutOfDateAlertDetails.message,
       [{ 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 activeThreadInfo = state.threadStore.threadInfos[activeThread];
   const updatedActiveThreadInfo = {
     ...activeThreadInfo,
     currentUser: {
       ...activeThreadInfo.currentUser,
       unread: false,
     },
   };
 
   const threadStoreOperations = [
     {
       type: 'replace',
       payload: {
         id: activeThread,
         threadInfo: updatedActiveThreadInfo,
       },
     },
   ];
 
   const updatedThreadStore = threadStoreOpsHandlers.processStoreOperations(
     state.threadStore,
     threadStoreOperations,
   );
 
   return {
     state: { ...state, threadStore: updatedThreadStore },
     threadStoreOperations,
   };
 }
 
 let appLastBecameInactive = 0;
 
 function appBecameInactive() {
   appLastBecameInactive = Date.now();
 }
 
 const middleware = applyMiddleware(thunk, reduxLoggerMiddleware);
 
 let composeFunc = compose;
 if (__DEV__ && global.HermesInternal) {
   const { composeWithDevTools } = require('remote-redux-devtools/src/index.js');
   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 };
diff --git a/native/redux/redux-utils.js b/native/redux/redux-utils.js
index cd07d8799..036d15283 100644
--- a/native/redux/redux-utils.js
+++ b/native/redux/redux-utils.js
@@ -1,132 +1,145 @@
 // @flow
 
 import { useSelector as reactReduxUseSelector } from 'react-redux';
 
 import { communityStoreOpsHandlers } from 'lib/ops/community-store-ops.js';
 import { integrityStoreOpsHandlers } from 'lib/ops/integrity-store-ops.js';
 import {
   keyserverStoreOpsHandlers,
   getKeyserversToRemoveFromNotifsStore,
 } from 'lib/ops/keyserver-store-ops.js';
 import { messageStoreOpsHandlers } from 'lib/ops/message-store-ops.js';
 import { reportStoreOpsHandlers } from 'lib/ops/report-store-ops.js';
+import { syncedMetadataStoreOpsHandlers } from 'lib/ops/synced-metadata-store-ops.js';
 import { threadStoreOpsHandlers } from 'lib/ops/thread-store-ops.js';
 import { userStoreOpsHandlers } from 'lib/ops/user-store-ops.js';
 import type { StoreOperations } from 'lib/types/store-ops-types.js';
 
 import type { AppState } from './state-types.js';
 import { commCoreModule } from '../native-modules.js';
 import { isTaskCancelledError } from '../utils/error-handling.js';
 
 function useSelector<SS>(
   selector: (state: AppState) => SS,
   equalityFn?: (a: SS, b: SS) => boolean,
 ): SS {
   return reactReduxUseSelector(selector, equalityFn);
 }
 
 async function processDBStoreOperations(
   storeOperations: StoreOperations,
 ): Promise<void> {
   const {
     draftStoreOperations,
     threadStoreOperations,
     messageStoreOperations,
     reportStoreOperations,
     userStoreOperations,
     keyserverStoreOperations,
     integrityStoreOperations,
     communityStoreOperations,
+    syncedMetadataStoreOperations,
   } = storeOperations;
 
   const convertedThreadStoreOperations =
     threadStoreOpsHandlers.convertOpsToClientDBOps(threadStoreOperations);
   const convertedMessageStoreOperations =
     messageStoreOpsHandlers.convertOpsToClientDBOps(messageStoreOperations);
   const convertedReportStoreOperations =
     reportStoreOpsHandlers.convertOpsToClientDBOps(reportStoreOperations);
   const convertedUserStoreOperations =
     userStoreOpsHandlers.convertOpsToClientDBOps(userStoreOperations);
   const convertedKeyserverStoreOperations =
     keyserverStoreOpsHandlers.convertOpsToClientDBOps(keyserverStoreOperations);
   const convertedCommunityStoreOperations =
     communityStoreOpsHandlers.convertOpsToClientDBOps(communityStoreOperations);
+  const convertedSyncedMetadataStoreOperations =
+    syncedMetadataStoreOpsHandlers.convertOpsToClientDBOps(
+      syncedMetadataStoreOperations,
+    );
   const keyserversToRemoveFromNotifsStore =
     getKeyserversToRemoveFromNotifsStore(keyserverStoreOperations);
   const convertedIntegrityStoreOperations =
     integrityStoreOpsHandlers.convertOpsToClientDBOps(integrityStoreOperations);
 
   try {
     const promises = [];
     if (convertedThreadStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processThreadStoreOperations(
           convertedThreadStoreOperations,
         ),
       );
     }
     if (convertedMessageStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processMessageStoreOperations(
           convertedMessageStoreOperations,
         ),
       );
     }
     if (draftStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processDraftStoreOperations(draftStoreOperations),
       );
     }
     if (convertedReportStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processReportStoreOperations(
           convertedReportStoreOperations,
         ),
       );
     }
     if (convertedUserStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processUserStoreOperations(convertedUserStoreOperations),
       );
     }
     if (convertedKeyserverStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processKeyserverStoreOperations(
           convertedKeyserverStoreOperations,
         ),
       );
     }
     if (convertedCommunityStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processCommunityStoreOperations(
           convertedCommunityStoreOperations,
         ),
       );
     }
     if (keyserversToRemoveFromNotifsStore.length > 0) {
       promises.push(
         commCoreModule.removeKeyserverDataFromNotifStorage(
           keyserversToRemoveFromNotifsStore,
         ),
       );
     }
     if (convertedIntegrityStoreOperations.length > 0) {
       promises.push(
         commCoreModule.processIntegrityStoreOperations(
           convertedIntegrityStoreOperations,
         ),
       );
     }
+    if (convertedSyncedMetadataStoreOperations.length > 0) {
+      promises.push(
+        commCoreModule.processSyncedMetadataStoreOperations(
+          convertedSyncedMetadataStoreOperations,
+        ),
+      );
+    }
     await Promise.all(promises);
   } catch (e) {
     if (isTaskCancelledError(e)) {
       return;
     }
     // this code will make an entry in SecureStore and cause re-creating
     // database when user will open app again
     commCoreModule.reportDBOperationsFailure();
     commCoreModule.terminate();
   }
 }
 
 export { useSelector, processDBStoreOperations };
diff --git a/native/redux/state-types.js b/native/redux/state-types.js
index e71b0dec1..4576243b4 100644
--- a/native/redux/state-types.js
+++ b/native/redux/state-types.js
@@ -1,84 +1,86 @@
 // @flow
 
 import type { Orientations } from 'react-native-orientation-locker';
 import type { PersistState } from 'redux-persist/es/types.js';
 
 import type { CommunityStore } from 'lib/types/community-types.js';
 import type { DBOpsStore } from 'lib/types/db-ops-types';
 import type { DraftStore } from 'lib/types/draft-types.js';
 import type { EnabledApps } from 'lib/types/enabled-apps.js';
 import type { EntryStore } from 'lib/types/entry-types.js';
 import type { CalendarFilter } from 'lib/types/filter-types.js';
 import type { IntegrityStore } from 'lib/types/integrity-types.js';
 import type { KeyserverStore } from 'lib/types/keyserver-types.js';
 import type { LifecycleState } from 'lib/types/lifecycle-state-types.js';
 import type { InviteLinksStore } from 'lib/types/link-types.js';
 import type { LoadingStatus } from 'lib/types/loading-types.js';
 import type { MessageStore } from 'lib/types/message-types.js';
 import type { UserPolicies } from 'lib/types/policy-types.js';
 import type { ReportStore } from 'lib/types/report-types.js';
+import type { SyncedMetadataStore } from 'lib/types/synced-metadata-types.js';
 import type { GlobalThemeInfo } from 'lib/types/theme-types.js';
 import type { ThreadActivityStore } from 'lib/types/thread-activity-types';
 import type { ThreadStore } from 'lib/types/thread-types.js';
 import type { CurrentUserInfo, UserStore } from 'lib/types/user-types.js';
 import type { NotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 
 import type { DimensionsInfo } from './dimensions-updater.react.js';
 import type { NavInfo } from '../navigation/default-state.js';
 import type { DeviceCameraInfo } from '../types/camera.js';
 import type { ConnectivityInfo } from '../types/connectivity.js';
 import type { LocalSettings } from '../types/local-settings-types.js';
 
 const nonUserSpecificFieldsNative = [
   'storeLoaded',
   'loadingStatuses',
   'customServer',
   'lifecycleState',
   'nextLocalID',
   'dimensions',
   'connectivity',
   'deviceCameraInfo',
   'deviceOrientation',
   'frozen',
   'keyserverStore',
   '_persist',
 ];
 
 export type AppState = {
   +navInfo: NavInfo,
   +currentUserInfo: ?CurrentUserInfo,
   +draftStore: DraftStore,
   +entryStore: EntryStore,
   +threadStore: ThreadStore,
   +userStore: UserStore,
   +messageStore: MessageStore,
   +storeLoaded: boolean,
   +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
   +calendarFilters: $ReadOnlyArray<CalendarFilter>,
   +dataLoaded: boolean,
   +customServer: ?string,
   +notifPermissionAlertInfo: NotifPermissionAlertInfo,
   +watchedThreadIDs: $ReadOnlyArray<string>,
   +lifecycleState: LifecycleState,
   +enabledApps: EnabledApps,
   +reportStore: ReportStore,
   +nextLocalID: number,
   +_persist: ?PersistState,
   +dimensions: DimensionsInfo,
   +connectivity: ConnectivityInfo,
   +globalThemeInfo: GlobalThemeInfo,
   +deviceCameraInfo: DeviceCameraInfo,
   +deviceOrientation: Orientations,
   +frozen: boolean,
   +userPolicies: UserPolicies,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +keyserverStore: KeyserverStore,
   +threadActivityStore: ThreadActivityStore,
   +localSettings: LocalSettings,
   +integrityStore: IntegrityStore,
   +communityStore: CommunityStore,
   +dbOpsStore: DBOpsStore,
+  +syncedMetadataStore: SyncedMetadataStore,
 };
 
 export { nonUserSpecificFieldsNative };
diff --git a/web/redux/default-state.js b/web/redux/default-state.js
index 255af554e..608da4ebf 100644
--- a/web/redux/default-state.js
+++ b/web/redux/default-state.js
@@ -1,88 +1,91 @@
 // @flow
 
 import { defaultWebEnabledApps } from 'lib/types/enabled-apps.js';
 import { defaultCalendarFilters } from 'lib/types/filter-types.js';
 import { defaultKeyserverInfo } from 'lib/types/keyserver-types.js';
 import { defaultGlobalThemeInfo } from 'lib/types/theme-types.js';
 import { defaultNotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 
 import type { AppState } from './redux-setup.js';
 import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
 import electron from '../electron.js';
 
 declare var keyserverURL: string;
 
 const defaultWebState: AppState = Object.freeze({
   navInfo: {
     activeChatThreadID: null,
     startDate: '',
     endDate: '',
     tab: 'chat',
   },
   currentUserInfo: null,
   draftStore: { drafts: {} },
   entryStore: {
     entryInfos: {},
     daysToEntries: {},
     lastUserInteractionCalendar: 0,
   },
   threadStore: {
     threadInfos: {},
   },
   userStore: {
     userInfos: {},
   },
   messageStore: {
     messages: {},
     threads: {},
     local: {},
     currentAsOf: { [authoritativeKeyserverID]: 0 },
   },
   windowActive: true,
   pushApiPublicKey: null,
   windowDimensions: { width: window.width, height: window.height },
   loadingStatuses: {},
   calendarFilters: defaultCalendarFilters,
   dataLoaded: false,
   notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
   watchedThreadIDs: [],
   lifecycleState: 'active',
   enabledApps: defaultWebEnabledApps,
   reportStore: {
     enabledReports: {
       crashReports: false,
       inconsistencyReports: false,
       mediaReports: false,
     },
     queuedReports: [],
   },
   nextLocalID: 0,
   _persist: null,
   userPolicies: {},
   commServicesAccessToken: null,
   inviteLinksStore: {
     links: {},
   },
   communityPickerStore: { chat: null, calendar: null },
   keyserverStore: {
     keyserverInfos: {
       [authoritativeKeyserverID]: defaultKeyserverInfo(
         keyserverURL,
         electron?.platform ?? 'web',
       ),
     },
   },
   threadActivityStore: {},
   initialStateLoaded: false,
   integrityStore: { threadHashes: {}, threadHashingStatus: 'starting' },
   globalThemeInfo: defaultGlobalThemeInfo,
   customServer: null,
   communityStore: {
     communityInfos: {},
   },
   dbOpsStore: {
     queuedOps: [],
   },
+  syncedMetadataStore: {
+    syncedMetadata: {},
+  },
 });
 
 export { defaultWebState };
diff --git a/web/redux/initial-state-gate.js b/web/redux/initial-state-gate.js
index f17ea1fd5..75fa5ab41 100644
--- a/web/redux/initial-state-gate.js
+++ b/web/redux/initial-state-gate.js
@@ -1,158 +1,159 @@
 // @flow
 
 import * as React from 'react';
 import { PersistGate } from 'redux-persist/es/integration/react.js';
 import type { Persistor } from 'redux-persist/es/types';
 
 import { setClientDBStoreActionType } from 'lib/actions/client-db-store-actions.js';
 import type { ThreadStoreOperation } from 'lib/ops/thread-store-ops.js';
 import { allUpdatesCurrentAsOfSelector } from 'lib/selectors/keyserver-selectors.js';
 import { canUseDatabaseOnWeb } from 'lib/shared/web-database.js';
 import type { RawThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js';
 import type { LegacyRawThreadInfo } from 'lib/types/thread-types.js';
 import { convertIDToNewSchema } from 'lib/utils/migration-utils.js';
 import { entries } from 'lib/utils/objects.js';
 import { useDispatch } from 'lib/utils/redux-utils.js';
 import { infoFromURL } from 'lib/utils/url-utils.js';
 
 import {
   setInitialReduxState,
   useGetInitialReduxState,
 } from './action-types.js';
 import { useSelector } from './redux-utils.js';
 import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
 import Loading from '../loading.react.js';
 import {
   getClientDBStore,
   processDBStoreOperations,
 } from '../shared-worker/utils/store.js';
 
 type Props = {
   +persistor: Persistor,
   +children: React.Node,
 };
 function InitialReduxStateGate(props: Props): React.Node {
   const { children, persistor } = props;
   const callGetInitialReduxState = useGetInitialReduxState();
   const dispatch = useDispatch();
 
   const [initError, setInitError] = React.useState<?Error>(null);
   React.useEffect(() => {
     if (initError) {
       throw initError;
     }
   }, [initError]);
 
   const isRehydrated = useSelector(state => !!state._persist?.rehydrated);
   const allUpdatesCurrentAsOf = useSelector(allUpdatesCurrentAsOfSelector);
 
   const prevIsRehydrated = React.useRef(false);
   React.useEffect(() => {
     if (prevIsRehydrated.current || !isRehydrated) {
       return;
     }
     prevIsRehydrated.current = isRehydrated;
     void (async () => {
       try {
         let urlInfo = infoFromURL(decodeURI(window.location.href));
         // Handle older links
         if (urlInfo.thread) {
           urlInfo = {
             ...urlInfo,
             thread: convertIDToNewSchema(
               urlInfo.thread,
               authoritativeKeyserverID,
             ),
           };
         }
         const clientDBStore = await getClientDBStore();
         dispatch({
           type: setClientDBStoreActionType,
           payload: clientDBStore,
         });
 
         const payload = await callGetInitialReduxState({
           urlInfo,
           excludedData: {
             threadStore: !!clientDBStore.threadStore,
           },
           allUpdatesCurrentAsOf,
         });
 
         const currentLoggedInUserID = payload.currentUserInfo?.anonymous
           ? null
           : payload.currentUserInfo?.id;
         const useDatabase = canUseDatabaseOnWeb(currentLoggedInUserID);
 
         if (!currentLoggedInUserID || !useDatabase) {
           dispatch({ type: setInitialReduxState, payload });
           return;
         }
 
         if (clientDBStore.threadStore) {
           const { threadStore, ...rest } = payload;
           dispatch({ type: setInitialReduxState, payload: rest });
           return;
         }
 
         // When there is no data in the DB, it's necessary to migrate data
         // from the keyserver payload to the DB
         const {
           threadStore: { threadInfos },
         } = payload;
 
         const threadStoreOperations: ThreadStoreOperation[] = entries(
           threadInfos,
         ).map(
           ([id, threadInfo]: [
             string,
             LegacyRawThreadInfo | RawThreadInfo,
           ]) => ({
             type: 'replace',
             payload: {
               id,
               threadInfo,
             },
           }),
         );
 
         await processDBStoreOperations(
           {
             threadStoreOperations,
             draftStoreOperations: [],
             messageStoreOperations: [],
             reportStoreOperations: [],
             userStoreOperations: [],
             keyserverStoreOperations: [],
             communityStoreOperations: [],
             integrityStoreOperations: [],
+            syncedMetadataStoreOperations: [],
           },
           currentLoggedInUserID,
         );
 
         dispatch({ type: setInitialReduxState, payload });
       } catch (err) {
         setInitError(err);
       }
     })();
   }, [callGetInitialReduxState, dispatch, isRehydrated, allUpdatesCurrentAsOf]);
 
   const initialStateLoaded = useSelector(state => state.initialStateLoaded);
 
   const childFunction = React.useCallback(
     // This argument is passed from `PersistGate`. It means that the state is
     // rehydrated and we can start fetching the initial info.
     (bootstrapped: boolean) => {
       if (bootstrapped && initialStateLoaded) {
         return children;
       } else {
         return <Loading />;
       }
     },
     [children, initialStateLoaded],
   );
 
   return <PersistGate persistor={persistor}>{childFunction}</PersistGate>;
 }
 
 export default InitialReduxStateGate;
diff --git a/web/redux/redux-setup.js b/web/redux/redux-setup.js
index 7a020f7c3..4d5570eb4 100644
--- a/web/redux/redux-setup.js
+++ b/web/redux/redux-setup.js
@@ -1,522 +1,525 @@
 // @flow
 
 import invariant from 'invariant';
 import type { PersistState } from 'redux-persist/es/types.js';
 
 import {
   logOutActionTypes,
   deleteKeyserverAccountActionTypes,
   deleteAccountActionTypes,
   identityRegisterActionTypes,
   identityLogInActionTypes,
   keyserverAuthActionTypes,
 } from 'lib/actions/user-actions.js';
 import { setNewSessionActionType } from 'lib/keyserver-conn/keyserver-conn-types.js';
 import {
   type ReplaceKeyserverOperation,
   keyserverStoreOpsHandlers,
 } from 'lib/ops/keyserver-store-ops.js';
 import {
   type ThreadStoreOperation,
   threadStoreOpsHandlers,
 } from 'lib/ops/thread-store-ops.js';
 import { queueDBOps } from 'lib/reducers/db-ops-reducer.js';
 import { reduceLoadingStatuses } from 'lib/reducers/loading-reducer.js';
 import baseReducer from 'lib/reducers/master-reducer.js';
 import { mostRecentlyReadThreadSelector } from 'lib/selectors/thread-selectors.js';
 import { isLoggedIn } from 'lib/selectors/user-selectors.js';
 import {
   invalidSessionDowngrade,
   identityInvalidSessionDowngrade,
   invalidSessionRecovery,
 } from 'lib/shared/session-utils.js';
 import type { CommunityStore } from 'lib/types/community-types.js';
 import type { MessageID, DBOpsStore } from 'lib/types/db-ops-types.js';
 import type { DraftStore } from 'lib/types/draft-types.js';
 import type { EnabledApps } from 'lib/types/enabled-apps.js';
 import type { EntryStore } from 'lib/types/entry-types.js';
 import { type CalendarFilter } from 'lib/types/filter-types.js';
 import type { IntegrityStore } from 'lib/types/integrity-types.js';
 import type { KeyserverStore } from 'lib/types/keyserver-types.js';
 import type { LifecycleState } from 'lib/types/lifecycle-state-types.js';
 import type { InviteLinksStore } from 'lib/types/link-types.js';
 import type { LoadingStatus } from 'lib/types/loading-types.js';
 import type { MessageStore } from 'lib/types/message-types.js';
 import type { WebNavInfo } from 'lib/types/nav-types.js';
 import type { UserPolicies } from 'lib/types/policy-types.js';
 import type { BaseAction } from 'lib/types/redux-types.js';
 import type { ReportStore } from 'lib/types/report-types.js';
 import type { StoreOperations } from 'lib/types/store-ops-types.js';
+import type { SyncedMetadataStore } from 'lib/types/synced-metadata-types.js';
 import type { GlobalThemeInfo } from 'lib/types/theme-types.js';
 import type { ThreadActivityStore } from 'lib/types/thread-activity-types';
 import type { ThreadStore } from 'lib/types/thread-types.js';
 import type { CurrentUserInfo, UserStore } from 'lib/types/user-types.js';
 import type { NotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 import { resetUserSpecificState } from 'lib/utils/reducers-utils.js';
 
 import {
   updateWindowActiveActionType,
   updateNavInfoActionType,
   updateWindowDimensionsActionType,
   setInitialReduxState,
 } from './action-types.js';
 import { reduceCommunityPickerStore } from './community-picker-reducer.js';
 import { defaultWebState } from './default-state.js';
 import reduceNavInfo from './nav-reducer.js';
 import { onStateDifference } from './redux-debug-utils.js';
 import { reduceServicesAccessToken } from './services-access-token-reducer.js';
 import { getVisibility } from './visibility.js';
 import { activeThreadSelector } from '../selectors/nav-selectors.js';
 import type { InitialReduxState } from '../types/redux-types.js';
 
 export type WindowDimensions = { width: number, height: number };
 
 export type CommunityPickerStore = {
   +chat: ?string,
   +calendar: ?string,
 };
 
 const nonUserSpecificFieldsWeb = [
   'loadingStatuses',
   'windowDimensions',
   'lifecycleState',
   'nextLocalID',
   'windowActive',
   'pushApiPublicKey',
   'keyserverStore',
   'initialStateLoaded',
   '_persist',
   'customServer',
 ];
 
 export type AppState = {
   +navInfo: WebNavInfo,
   +currentUserInfo: ?CurrentUserInfo,
   +draftStore: DraftStore,
   +entryStore: EntryStore,
   +threadStore: ThreadStore,
   +userStore: UserStore,
   +messageStore: MessageStore,
   +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
   +calendarFilters: $ReadOnlyArray<CalendarFilter>,
   +communityPickerStore: CommunityPickerStore,
   +windowDimensions: WindowDimensions,
   +notifPermissionAlertInfo: NotifPermissionAlertInfo,
   +watchedThreadIDs: $ReadOnlyArray<string>,
   +lifecycleState: LifecycleState,
   +enabledApps: EnabledApps,
   +reportStore: ReportStore,
   +nextLocalID: number,
   +dataLoaded: boolean,
   +windowActive: boolean,
   +userPolicies: UserPolicies,
   +pushApiPublicKey: ?string,
   +_persist: ?PersistState,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +keyserverStore: KeyserverStore,
   +threadActivityStore: ThreadActivityStore,
   +initialStateLoaded: boolean,
   +integrityStore: IntegrityStore,
   +globalThemeInfo: GlobalThemeInfo,
   +customServer: ?string,
   +communityStore: CommunityStore,
   +dbOpsStore: DBOpsStore,
+  +syncedMetadataStore: SyncedMetadataStore,
 };
 
 export type Action = $ReadOnly<
   | BaseAction
   | {
       +messageID?: MessageID,
       ...
         | { +type: 'UPDATE_NAV_INFO', +payload: Partial<WebNavInfo> }
         | {
             +type: 'UPDATE_WINDOW_DIMENSIONS',
             +payload: WindowDimensions,
           }
         | {
             +type: 'UPDATE_WINDOW_ACTIVE',
             +payload: boolean,
           }
         | { +type: 'SET_INITIAL_REDUX_STATE', +payload: InitialReduxState },
     },
 >;
 
 function reducer(oldState: AppState | void, action: Action): AppState {
   invariant(oldState, 'should be set');
   let state = oldState;
   let storeOperations: StoreOperations = {
     draftStoreOperations: [],
     threadStoreOperations: [],
     messageStoreOperations: [],
     reportStoreOperations: [],
     userStoreOperations: [],
     keyserverStoreOperations: [],
     communityStoreOperations: [],
     integrityStoreOperations: [],
+    syncedMetadataStoreOperations: [],
   };
 
   if (
     (action.type === setNewSessionActionType &&
       action.payload.sessionChange.currentUserInfo &&
       invalidSessionRecovery(
         state,
         action.payload.sessionChange.currentUserInfo,
         action.payload.authActionSource,
       )) ||
     (action.type === keyserverAuthActionTypes.success &&
       invalidSessionRecovery(
         state,
         action.payload.preRequestUserInfo,
         action.payload.authActionSource,
       ))
   ) {
     return state;
   }
 
   if (action.type === setInitialReduxState) {
     const { userInfos, keyserverInfos, actualizedCalendarQuery, ...rest } =
       action.payload;
     const replaceOperations: ReplaceKeyserverOperation[] = [];
     for (const keyserverID in keyserverInfos) {
       replaceOperations.push({
         type: 'replace_keyserver',
         payload: {
           id: keyserverID,
           keyserverInfo: {
             ...state.keyserverStore.keyserverInfos[keyserverID],
             ...keyserverInfos[keyserverID],
             actualizedCalendarQuery,
           },
         },
       });
     }
     return validateStateAndQueueOpsProcessing(
       action,
       oldState,
       {
         ...state,
         ...rest,
         userStore: { userInfos },
         keyserverStore: keyserverStoreOpsHandlers.processStoreOperations(
           state.keyserverStore,
           replaceOperations,
         ),
         initialStateLoaded: true,
       },
       {
         ...storeOperations,
         keyserverStoreOperations: [
           ...storeOperations.keyserverStoreOperations,
           ...replaceOperations,
         ],
       },
     );
   } else if (action.type === updateWindowDimensionsActionType) {
     return validateStateAndQueueOpsProcessing(
       action,
       oldState,
       {
         ...state,
         windowDimensions: action.payload,
       },
       storeOperations,
     );
   } else if (action.type === updateWindowActiveActionType) {
     return validateStateAndQueueOpsProcessing(
       action,
       oldState,
       {
         ...state,
         windowActive: action.payload,
       },
       storeOperations,
     );
   } else if (action.type === setNewSessionActionType) {
     const { keyserverID, sessionChange } = action.payload;
     if (!state.keyserverStore.keyserverInfos[keyserverID]) {
       if (sessionChange.cookie?.startsWith('user=')) {
         console.log(
           'received sessionChange with user cookie, ' +
             `but keyserver ${keyserverID} is not in KeyserverStore!`,
         );
       }
       return state;
     }
 
     if (
       invalidSessionDowngrade(
         oldState,
         sessionChange.currentUserInfo,
         action.payload.preRequestUserState,
         keyserverID,
       )
     ) {
       return {
         ...oldState,
         loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       };
     }
 
     const replaceOperation: ReplaceKeyserverOperation = {
       type: 'replace_keyserver',
       payload: {
         id: keyserverID,
         keyserverInfo: {
           ...state.keyserverStore.keyserverInfos[keyserverID],
           sessionID: sessionChange.sessionID,
         },
       },
     };
     state = {
       ...state,
       keyserverStore: keyserverStoreOpsHandlers.processStoreOperations(
         state.keyserverStore,
         [replaceOperation],
       ),
     };
     storeOperations = {
       ...storeOperations,
       keyserverStoreOperations: [
         ...storeOperations.keyserverStoreOperations,
         replaceOperation,
       ],
     };
   } else if (action.type === deleteKeyserverAccountActionTypes.success) {
     const { currentUserInfo, preRequestUserState } = action.payload;
     const newKeyserverIDs = [];
     for (const keyserverID of action.payload.keyserverIDs) {
       if (
         invalidSessionDowngrade(
           state,
           currentUserInfo,
           preRequestUserState,
           keyserverID,
         )
       ) {
         continue;
       }
       newKeyserverIDs.push(keyserverID);
     }
     if (newKeyserverIDs.length === 0) {
       return {
         ...state,
         loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       };
     }
     action = {
       ...action,
       payload: {
         ...action.payload,
         keyserverIDs: newKeyserverIDs,
       },
     };
   } else if (
     action.type === logOutActionTypes.success ||
     action.type === deleteAccountActionTypes.success
   ) {
     const { currentUserInfo, preRequestUserState } = action.payload;
     if (
       identityInvalidSessionDowngrade(
         oldState,
         currentUserInfo,
         preRequestUserState,
       )
     ) {
       return {
         ...oldState,
         loadingStatuses: reduceLoadingStatuses(state.loadingStatuses, action),
       };
     }
 
     state = resetUserSpecificState(
       state,
       defaultWebState,
       nonUserSpecificFieldsWeb,
     );
   } else if (action.type === identityRegisterActionTypes.success) {
     state = resetUserSpecificState(
       state,
       defaultWebState,
       nonUserSpecificFieldsWeb,
     );
   } else if (
     action.type === identityLogInActionTypes.success &&
     action.payload.userID !== action.payload.preRequestUserState?.id
   ) {
     state = resetUserSpecificState(
       state,
       defaultWebState,
       nonUserSpecificFieldsWeb,
     );
   }
 
   if (action.type !== updateNavInfoActionType) {
     const baseReducerResult = baseReducer(state, action, onStateDifference);
     state = baseReducerResult.state;
     storeOperations = {
       ...baseReducerResult.storeOperations,
       keyserverStoreOperations: [
         ...storeOperations.keyserverStoreOperations,
         ...baseReducerResult.storeOperations.keyserverStoreOperations,
       ],
     };
   }
 
   const communityPickerStore = reduceCommunityPickerStore(
     state.communityPickerStore,
     action,
   );
 
   state = {
     ...state,
     navInfo: reduceNavInfo(
       state.navInfo,
       action,
       state.threadStore.threadInfos,
     ),
     communityPickerStore,
     commServicesAccessToken: reduceServicesAccessToken(
       state.commServicesAccessToken,
       action,
     ),
   };
 
   return validateStateAndQueueOpsProcessing(
     action,
     oldState,
     state,
     storeOperations,
   );
 }
 
 function validateStateAndQueueOpsProcessing(
   action: Action,
   oldState: AppState,
   state: AppState,
   storeOperations: StoreOperations,
 ): AppState {
   const updateActiveThreadOps: ThreadStoreOperation[] = [];
   if (
     (state.navInfo.activeChatThreadID &&
       !state.navInfo.pendingThread &&
       !state.threadStore.threadInfos[state.navInfo.activeChatThreadID]) ||
     (!state.navInfo.activeChatThreadID && isLoggedIn(state))
   ) {
     // Makes sure the active thread always exists
     state = {
       ...state,
       navInfo: {
         ...state.navInfo,
         activeChatThreadID: mostRecentlyReadThreadSelector(state),
       },
     };
   }
 
   const activeThread = activeThreadSelector(state);
   if (
     activeThread &&
     !state.navInfo.pendingThread &&
     state.threadStore.threadInfos[activeThread].currentUser.unread &&
     getVisibility().hidden()
   ) {
     console.warn(
       `thread ${activeThread} is active and unread, ` +
         'but visibilityjs reports the window is not visible',
     );
   }
   if (
     activeThread &&
     !state.navInfo.pendingThread &&
     state.threadStore.threadInfos[activeThread].currentUser.unread &&
     typeof document !== 'undefined' &&
     document &&
     'hasFocus' in document &&
     !document.hasFocus()
   ) {
     console.warn(
       `thread ${activeThread} is active and unread, ` +
         'but document.hasFocus() is false',
     );
   }
   if (
     activeThread &&
     !getVisibility().hidden() &&
     typeof document !== 'undefined' &&
     document &&
     'hasFocus' in document &&
     document.hasFocus() &&
     !state.navInfo.pendingThread &&
     state.threadStore.threadInfos[activeThread].currentUser.unread
   ) {
     // Makes sure a currently focused thread is never unread
     const activeThreadInfo = state.threadStore.threadInfos[activeThread];
     updateActiveThreadOps.push({
       type: 'replace',
       payload: {
         id: activeThread,
         threadInfo: {
           ...activeThreadInfo,
           currentUser: {
             ...activeThreadInfo.currentUser,
             unread: false,
           },
         },
       },
     });
   }
 
   const oldActiveThread = activeThreadSelector(oldState);
   if (
     activeThread &&
     oldActiveThread !== activeThread &&
     state.messageStore.threads[activeThread]
   ) {
     const now = Date.now();
     state = {
       ...state,
       threadActivityStore: {
         ...state.threadActivityStore,
         [(activeThread: string)]: {
           ...state.threadActivityStore[activeThread],
           lastNavigatedTo: now,
         },
       },
     };
   }
 
   if (updateActiveThreadOps.length > 0) {
     state = {
       ...state,
       threadStore: threadStoreOpsHandlers.processStoreOperations(
         state.threadStore,
         updateActiveThreadOps,
       ),
     };
     storeOperations = {
       ...storeOperations,
       threadStoreOperations: [
         ...storeOperations.threadStoreOperations,
         ...updateActiveThreadOps,
       ],
     };
   }
 
   // The operations were already dispatched from the main tab
 
   // For now the `dispatchSource` field is not included in any of the
   // redux actions and this causes flow to throw an error.
   // As soon as one of the actions is updated, this fix (and the corresponding
   // one in tab-synchronization.js) can be removed.
   // $FlowFixMe
   if (action.dispatchSource === 'tab-sync') {
     return state;
   }
 
   return {
     ...state,
     dbOpsStore: queueDBOps(state.dbOpsStore, action.messageID, storeOperations),
   };
 }
 
 export { nonUserSpecificFieldsWeb, reducer };
diff --git a/web/shared-worker/utils/store.js b/web/shared-worker/utils/store.js
index e44c3eb23..6e4a77064 100644
--- a/web/shared-worker/utils/store.js
+++ b/web/shared-worker/utils/store.js
@@ -1,151 +1,160 @@
 // @flow
 
 import { communityStoreOpsHandlers } from 'lib/ops/community-store-ops.js';
 import { integrityStoreOpsHandlers } from 'lib/ops/integrity-store-ops.js';
 import { keyserverStoreOpsHandlers } from 'lib/ops/keyserver-store-ops.js';
 import { reportStoreOpsHandlers } from 'lib/ops/report-store-ops.js';
+import { syncedMetadataStoreOpsHandlers } from 'lib/ops/synced-metadata-store-ops.js';
 import { threadStoreOpsHandlers } from 'lib/ops/thread-store-ops.js';
 import { canUseDatabaseOnWeb } from 'lib/shared/web-database.js';
 import type {
   ClientStore,
   StoreOperations,
 } from 'lib/types/store-ops-types.js';
 
 import { defaultWebState } from '../../redux/default-state.js';
 import { workerRequestMessageTypes } from '../../types/worker-types.js';
 import { getCommSharedWorker } from '../shared-worker-provider.js';
 
 async function getClientDBStore(): Promise<ClientStore> {
   const sharedWorker = await getCommSharedWorker();
   let result: ClientStore = {
     currentUserID: null,
     drafts: [],
     messages: null,
     threadStore: null,
     messageStoreThreads: null,
     reports: null,
     users: null,
     keyserverInfos: defaultWebState.keyserverStore.keyserverInfos,
     communityInfos: null,
     threadHashes: null,
+    syncedMetadata: null,
   };
   const data = await sharedWorker.schedule({
     type: workerRequestMessageTypes.GET_CLIENT_STORE,
   });
   if (data?.store?.drafts) {
     result = {
       ...result,
       drafts: data.store.drafts,
     };
   }
   if (data?.store?.reports) {
     result = {
       ...result,
       reports: reportStoreOpsHandlers.translateClientDBData(data.store.reports),
     };
   }
   if (data?.store?.threads && data.store.threads.length > 0) {
     result = {
       ...result,
       threadStore: {
         threadInfos: threadStoreOpsHandlers.translateClientDBData(
           data.store.threads,
         ),
       },
     };
   }
   if (data?.store?.keyservers?.length) {
     result = {
       ...result,
       keyserverInfos: keyserverStoreOpsHandlers.translateClientDBData(
         data.store.keyservers,
       ),
     };
   }
   if (data?.store?.communities) {
     result = {
       ...result,
       communityInfos: communityStoreOpsHandlers.translateClientDBData(
         data.store.communities,
       ),
     };
   }
   if (data?.store?.integrityThreadHashes) {
     result = {
       ...result,
       threadHashes: integrityStoreOpsHandlers.translateClientDBData(
         data.store.integrityThreadHashes,
       ),
     };
   }
   return result;
 }
 
 async function processDBStoreOperations(
   storeOperations: StoreOperations,
   userID: null | string,
 ): Promise<void> {
   const {
     draftStoreOperations,
     threadStoreOperations,
     reportStoreOperations,
     keyserverStoreOperations,
     communityStoreOperations,
     integrityStoreOperations,
+    syncedMetadataStoreOperations,
   } = storeOperations;
 
   const canUseDatabase = canUseDatabaseOnWeb(userID);
 
   const convertedThreadStoreOperations = canUseDatabase
     ? threadStoreOpsHandlers.convertOpsToClientDBOps(threadStoreOperations)
     : [];
   const convertedReportStoreOperations =
     reportStoreOpsHandlers.convertOpsToClientDBOps(reportStoreOperations);
   const convertedKeyserverStoreOperations =
     keyserverStoreOpsHandlers.convertOpsToClientDBOps(keyserverStoreOperations);
   const convertedCommunityStoreOperations =
     communityStoreOpsHandlers.convertOpsToClientDBOps(communityStoreOperations);
   const convertedIntegrityStoreOperations =
     integrityStoreOpsHandlers.convertOpsToClientDBOps(integrityStoreOperations);
+  const convertedSyncedMetadataStoreOperations =
+    syncedMetadataStoreOpsHandlers.convertOpsToClientDBOps(
+      syncedMetadataStoreOperations,
+    );
 
   if (
     convertedThreadStoreOperations.length === 0 &&
     convertedReportStoreOperations.length === 0 &&
     draftStoreOperations.length === 0 &&
     convertedKeyserverStoreOperations.length === 0 &&
     convertedCommunityStoreOperations.length === 0 &&
-    convertedIntegrityStoreOperations.length === 0
+    convertedIntegrityStoreOperations.length === 0 &&
+    convertedSyncedMetadataStoreOperations.length === 0
   ) {
     return;
   }
 
   const sharedWorker = await getCommSharedWorker();
   const isSupported = await sharedWorker.isSupported();
   if (!isSupported) {
     return;
   }
   try {
     await sharedWorker.schedule({
       type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
       storeOperations: {
         draftStoreOperations,
         reportStoreOperations: convertedReportStoreOperations,
         threadStoreOperations: convertedThreadStoreOperations,
         keyserverStoreOperations: convertedKeyserverStoreOperations,
         communityStoreOperations: convertedCommunityStoreOperations,
         integrityStoreOperations: convertedIntegrityStoreOperations,
+        syncedMetadataStoreOperations: convertedSyncedMetadataStoreOperations,
       },
     });
   } catch (e) {
     console.log(e);
     if (canUseDatabase) {
       window.alert(e.message);
       if (threadStoreOperations.length > 0) {
         await sharedWorker.init({ clearDatabase: true });
         location.reload();
       }
     }
   }
 }
 
 export { getClientDBStore, processDBStoreOperations };