diff --git a/lib/types/dm-ops.js b/lib/types/dm-ops.js
--- a/lib/types/dm-ops.js
+++ b/lib/types/dm-ops.js
@@ -302,3 +302,9 @@
   +dmOpID: string,
   +messages: $ReadOnlyArray<OutboundP2PMessage>,
 };
+
+export type QueuedDMOperations = {
+  +operations: {
+    +[threadID: string]: $ReadOnlyArray<DMOperation>,
+  },
+};
diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -43,6 +43,7 @@
 import type {
   ScheduleP2PMessagesPayload,
   ProcessDMOpsPayload,
+  QueuedDMOperations,
 } from './dm-ops.js';
 import type { DraftStore } from './draft-types.js';
 import type { EnabledApps, SupportedApps } from './enabled-apps.js';
@@ -191,6 +192,7 @@
   +auxUserStore: AuxUserStore,
   +tunnelbrokerDeviceToken: TunnelbrokerDeviceToken,
   +_persist: ?PersistState,
+  +queuedDMOperations: QueuedDMOperations,
   ...
 };
 
diff --git a/lib/utils/reducers-utils.test.js b/lib/utils/reducers-utils.test.js
--- a/lib/utils/reducers-utils.test.js
+++ b/lib/utils/reducers-utils.test.js
@@ -98,6 +98,9 @@
         localToken: null,
         tunnelbrokerToken: null,
       },
+      queuedDMOperations: {
+        operations: {},
+      },
     };
     state = {
       ...defaultState,
diff --git a/native/redux/default-state.js b/native/redux/default-state.js
--- a/native/redux/default-state.js
+++ b/native/redux/default-state.js
@@ -98,6 +98,9 @@
     localToken: null,
     tunnelbrokerToken: null,
   },
+  queuedDMOperations: {
+    operations: {},
+  },
 }: AppState);
 
 export { defaultState };
diff --git a/native/redux/persist.js b/native/redux/persist.js
--- a/native/redux/persist.js
+++ b/native/redux/persist.js
@@ -1450,6 +1450,15 @@
       ops: dbOperations,
     };
   },
+  [81]: (state: AppState) => ({
+    state: {
+      ...state,
+      queuedDMOperations: {
+        operations: {},
+      },
+    },
+    ops: [],
+  }),
 };
 
 // NOTE: renaming this object, and especially the `version` property
@@ -1460,7 +1469,7 @@
   storage: AsyncStorage,
   blacklist: persistBlacklist,
   debug: __DEV__,
-  version: 80,
+  version: 81,
   transforms: [
     messageStoreMessagesBlocklistTransform,
     reportStoreTransform,
diff --git a/native/redux/state-types.js b/native/redux/state-types.js
--- a/native/redux/state-types.js
+++ b/native/redux/state-types.js
@@ -7,6 +7,7 @@
 import type { AuxUserStore } from 'lib/types/aux-user-types.js';
 import type { CommunityStore } from 'lib/types/community-types.js';
 import type { DBOpsStore } from 'lib/types/db-ops-types';
+import type { QueuedDMOperations } from 'lib/types/dm-ops';
 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';
@@ -84,6 +85,7 @@
   +syncedMetadataStore: SyncedMetadataStore,
   +auxUserStore: AuxUserStore,
   +tunnelbrokerDeviceToken: TunnelbrokerDeviceToken,
+  +queuedDMOperations: QueuedDMOperations,
 };
 
 export { nonUserSpecificFieldsNative };
diff --git a/web/redux/default-state.js b/web/redux/default-state.js
--- a/web/redux/default-state.js
+++ b/web/redux/default-state.js
@@ -94,6 +94,9 @@
     localToken: null,
     tunnelbrokerToken: null,
   },
+  queuedDMOperations: {
+    operations: {},
+  },
 });
 
 export { defaultWebState };
diff --git a/web/redux/handle-redux-migration-failure.js b/web/redux/handle-redux-migration-failure.js
--- a/web/redux/handle-redux-migration-failure.js
+++ b/web/redux/handle-redux-migration-failure.js
@@ -15,6 +15,7 @@
   'customServer',
   'messageStore',
   'tunnelbrokerDeviceToken',
+  'queuedDMOperations',
 ];
 
 function handleReduxMigrationFailure(oldState: AppState): AppState {
diff --git a/web/redux/persist-constants.js b/web/redux/persist-constants.js
--- a/web/redux/persist-constants.js
+++ b/web/redux/persist-constants.js
@@ -3,6 +3,6 @@
 const rootKey = 'root';
 const rootKeyPrefix = 'persist:';
 const completeRootKey = `${rootKeyPrefix}${rootKey}`;
-const storeVersion = 79;
+const storeVersion = 80;
 
 export { rootKey, rootKeyPrefix, completeRootKey, storeVersion };
diff --git a/web/redux/persist.js b/web/redux/persist.js
--- a/web/redux/persist.js
+++ b/web/redux/persist.js
@@ -611,6 +611,15 @@
       ops: [],
     };
   },
+  [80]: (state: AppState) => ({
+    state: {
+      ...state,
+      queuedDMOperations: {
+        operations: {},
+      },
+    },
+    ops: [],
+  }),
 };
 
 const persistConfig: PersistConfig = {
diff --git a/web/redux/redux-setup.js b/web/redux/redux-setup.js
--- a/web/redux/redux-setup.js
+++ b/web/redux/redux-setup.js
@@ -41,6 +41,7 @@
   MessageSourceMetadata,
   DBOpsStore,
 } from 'lib/types/db-ops-types.js';
+import type { QueuedDMOperations } from 'lib/types/dm-ops.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';
@@ -133,6 +134,7 @@
   +syncedMetadataStore: SyncedMetadataStore,
   +auxUserStore: AuxUserStore,
   +tunnelbrokerDeviceToken: TunnelbrokerDeviceToken,
+  +queuedDMOperations: QueuedDMOperations,
 };
 
 export type Action = $ReadOnly<