diff --git a/lib/reducers/message-reducer.js b/lib/reducers/message-reducer.js
--- a/lib/reducers/message-reducer.js
+++ b/lib/reducers/message-reducer.js
@@ -15,6 +15,10 @@
 import _uniq from 'lodash/fp/uniq.js';
 
 import { setClientDBStoreActionType } from '../actions/client-db-store-actions.js';
+import {
+  createOrUpdateFarcasterChannelTagActionTypes,
+  deleteFarcasterChannelTagActionTypes,
+} from '../actions/community-actions.js';
 import {
   createEntryActionTypes,
   saveEntryActionTypes,
@@ -1046,6 +1050,21 @@
       },
       newThreadInfos,
     );
+  } else if (
+    (action.type === createOrUpdateFarcasterChannelTagActionTypes.success &&
+      action.payload.newMessageInfos) ||
+    (action.type === deleteFarcasterChannelTagActionTypes.success &&
+      action.payload.newMessageInfos)
+  ) {
+    return mergeNewMessages(
+      messageStore,
+      action.payload.newMessageInfos,
+      {
+        [(action.payload.commCommunityID: string)]:
+          messageTruncationStatus.UNCHANGED,
+      },
+      newThreadInfos,
+    );
   } else if (action.type === deleteEntryActionTypes.success) {
     const payload = action.payload;
     if (payload) {
diff --git a/lib/reducers/thread-reducer.js b/lib/reducers/thread-reducer.js
--- a/lib/reducers/thread-reducer.js
+++ b/lib/reducers/thread-reducer.js
@@ -6,6 +6,10 @@
 } from '../actions/activity-actions.js';
 import { removePeerUsersActionType } from '../actions/aux-user-actions.js';
 import { setClientDBStoreActionType } from '../actions/client-db-store-actions.js';
+import {
+  createOrUpdateFarcasterChannelTagActionTypes,
+  deleteFarcasterChannelTagActionTypes,
+} from '../actions/community-actions.js';
 import { saveMessagesActionType } from '../actions/message-actions.js';
 import { legacySiweAuthActionTypes } from '../actions/siwe-actions.js';
 import {
@@ -264,8 +268,17 @@
     action.type === newThreadActionTypes.success ||
     action.type === modifyCommunityRoleActionTypes.success ||
     action.type === deleteCommunityRoleActionTypes.success ||
-    action.type === removePeerUsersActionType
+    action.type === removePeerUsersActionType ||
+    action.type === createOrUpdateFarcasterChannelTagActionTypes.success ||
+    action.type === deleteFarcasterChannelTagActionTypes.success
   ) {
+    if (!action.payload.updatesResult) {
+      return {
+        threadStore: state,
+        newThreadInconsistencies: [],
+        threadStoreOperations: [],
+      };
+    }
     const { newUpdates } = action.payload.updatesResult;
     if (newUpdates.length === 0) {
       return {