diff --git a/lib/shared/farcaster/farcaster-hooks.js b/lib/shared/farcaster/farcaster-hooks.js
--- a/lib/shared/farcaster/farcaster-hooks.js
+++ b/lib/shared/farcaster/farcaster-hooks.js
@@ -48,6 +48,7 @@
 import sleep from '../../utils/sleep.js';
 import {
   conversationIDFromFarcasterThreadID,
+  farcasterThreadIDFromConversationID,
   userIDFromFID,
 } from '../id-utils.js';
 
@@ -502,7 +503,7 @@
 
       while (true) {
         try {
-          let input = { limit: 20, category };
+          let input = { limit: 50, category };
           if (currentCursor) {
             input = {
               ...input,
@@ -587,6 +588,16 @@
           return;
         }
 
+        const threadIDs = new Set(Object.keys(threadInfos));
+        const newConversations = new Set(
+          conversations.filter(
+            conversationID =>
+              !threadIDs.has(
+                farcasterThreadIDFromConversationID(conversationID),
+              ),
+          ),
+        );
+
         onProgress?.(0, conversations.length);
         await processInBatchesWithReduxBatching(
           conversations,
@@ -594,7 +605,9 @@
           (conversationID, batchedUpdates) =>
             fetchConversationWithMessages(
               conversationID,
-              limit,
+              newConversations.has(conversationID)
+                ? Number.POSITIVE_INFINITY
+                : limit,
               batchedUpdates,
             ),
           dispatch,
@@ -613,6 +626,7 @@
       fetchInboxes,
       removeDeadThreads,
       setFarcasterDCsLoaded,
+      threadInfos,
     ],
   );
 }