diff --git a/invokeai/app/api/sockets.py b/invokeai/app/api/sockets.py
index 7e93c332d64..144a1e9a2c0 100644
--- a/invokeai/app/api/sockets.py
+++ b/invokeai/app/api/sockets.py
@@ -260,6 +260,21 @@ async def _handle_sub_bulk_download(self, sid: str, data: Any) -> None:
     async def _handle_unsub_bulk_download(self, sid: str, data: Any) -> None:
         await self._sio.leave_room(sid, BulkDownloadSubscriptionEvent(**data).bulk_download_id)
 
+    async def _broadcast_queue_counts_changed(self, queue_id: str):
+        """Broadcast a content-free signal that the queue's aggregate counts may have changed.
+
+        The detailed queue item events (status changes, enqueues) are private to their owner
+        and admins, so non-admin subscribers never learn when *other* users' jobs are queued,
+        started, or finished. Without that signal their badge's global total — and the
+        in_progress count that drives the progress animation — go stale and get stuck once
+        their own jobs finish.
+
+        This event carries nothing but the queue_id: no user_id, batch_id, session_id, or
+        counts. Every subscriber simply refetches GET /queue/{queue_id}/status, which already
+        redacts per-user data, so broadcasting it to the whole queue room leaks nothing.
+        """
+        await self._sio.emit(event="queue_counts_changed", data={"queue_id": queue_id}, room=queue_id)
+
     async def _handle_queue_event(self, event: FastAPIEvent[QueueEventBase]):
         """Handle queue events with user isolation.
 
@@ -313,6 +328,10 @@ async def _handle_queue_event(self, event: FastAPIEvent[QueueEventBase]):
 
                 logger.debug(f"Emitted private queue item event {event_name} to user room {user_room} and admin room")
 
+                # A status change shifts the global pending/in_progress totals, so nudge every
+                # subscriber to refetch their (redacted) queue status — see _broadcast_queue_counts_changed.
+                await self._broadcast_queue_counts_changed(event_data.queue_id)
+
             # RecallParametersUpdatedEvent is private - only emit to owner + admins.
             #
             # Emit to the union of the owner room and the admin room in a SINGLE
@@ -340,6 +359,10 @@ async def _handle_queue_event(self, event: FastAPIEvent[QueueEventBase]):
                 await self._sio.emit(event=event_name, data=event_data.model_dump(mode="json"), room="admin")
                 logger.debug(f"Emitted private batch_enqueued event to user room {user_room} and admin room")
 
+                # Newly enqueued items raise the global total, so nudge every subscriber to
+                # refetch their (redacted) queue status — see _broadcast_queue_counts_changed.
+                await self._broadcast_queue_counts_changed(event_data.queue_id)
+
             else:
                 # For remaining queue events (e.g. QueueClearedEvent) that do not
                 # carry user identity, emit to all subscribers in the queue room.
diff --git a/invokeai/frontend/web/src/services/events/onInvocationComplete.tsx b/invokeai/frontend/web/src/services/events/onInvocationComplete.tsx
index ea6a237d4b2..0c83fa718f0 100644
--- a/invokeai/frontend/web/src/services/events/onInvocationComplete.tsx
+++ b/invokeai/frontend/web/src/services/events/onInvocationComplete.tsx
@@ -1,5 +1,6 @@
 import { logger } from 'app/logging/logger';
 import type { AppDispatch, AppGetState } from 'app/store/store';
+import { selectCurrentUser } from 'features/auth/store/authSlice';
 import { canvasWorkflowIntegrationProcessingCompleted } from 'features/controlLayers/store/canvasWorkflowIntegrationSlice';
 import {
   selectAutoSwitch,
@@ -45,6 +46,20 @@ export const buildOnInvocationComplete = (
   completedInvocationKeysByItemId: Map<number, Set<string>>
 ) => {
   const addImagesToGallery = async (data: S['InvocationCompleteEvent']) => {
+    // In multiuser mode, admins are subscribed to the "admin" socket room and therefore receive
+    // invocation events for *every* user, not just their own. Those images belong to another
+    // user's gallery and boards — we must not insert them into this client's gallery or, worse,
+    // auto-switch the selected board to the other user's board and select their image.
+    //
+    // Only gate this when we actually know who is logged in. In single-user mode there is no
+    // authenticated user (selectCurrentUser is null) and every event is the local user's own, so
+    // we fall through and preserve the original behavior.
+    const currentUser = selectCurrentUser(getState());
+    if (currentUser && data.user_id !== currentUser.user_id) {
+      log.trace(`Skipping gallery update for image owned by another user (${data.user_id})`);
+      return;
+    }
+
     if (nodeTypeDenylist.includes(data.invocation.type)) {
       log.trace(`Skipping denylisted node type (${data.invocation.type})`);
       return;
diff --git a/invokeai/frontend/web/src/services/events/setEventListeners.tsx b/invokeai/frontend/web/src/services/events/setEventListeners.tsx
index e6010ce4ca1..05b23e74428 100644
--- a/invokeai/frontend/web/src/services/events/setEventListeners.tsx
+++ b/invokeai/frontend/web/src/services/events/setEventListeners.tsx
@@ -451,6 +451,16 @@ export const setEventListeners = ({ socket, store, setIsConnected }: SetEventLis
     }
   });
 
+  socket.on('queue_counts_changed', (data) => {
+    // A content-free broadcast that the queue's global counts may have changed — typically
+    // because *another* user enqueued or one of their jobs changed status. We never receive
+    // those users' private queue item events, so this is the only signal that lets a non-admin's
+    // badge keep its global total (the "/Y" in "X/Y") and the in_progress-driven progress bar
+    // current. Only the redacted SessionQueueStatus is refetched; no per-user/batch caches.
+    log.trace({ data }, 'Queue counts changed');
+    dispatch(queueApi.util.invalidateTags(['SessionQueueStatus']));
+  });
+
   socket.on('queue_cleared', (data) => {
     log.debug({ data }, 'Queue cleared');
     dispatch(
diff --git a/invokeai/frontend/web/src/services/events/types.ts b/invokeai/frontend/web/src/services/events/types.ts
index 8937dcc451d..e8dff693cb4 100644
--- a/invokeai/frontend/web/src/services/events/types.ts
+++ b/invokeai/frontend/web/src/services/events/types.ts
@@ -26,6 +26,11 @@ export type ServerToClientEvents = {
   model_install_cancelled: (payload: S['ModelInstallCancelledEvent']) => void;
   model_load_complete: (payload: S['ModelLoadCompleteEvent']) => void;
   queue_item_status_changed: (payload: S['QueueItemStatusChangedEvent']) => void;
+  // Content-free broadcast to the whole queue room: the global queue counts may have changed
+  // (some user enqueued or a job changed status). Carries only queue_id — no per-user data —
+  // so every subscriber can refetch the redacted queue status. Emitted by the backend socket
+  // layer, not the event bus, so it has no generated `S[...]` schema type.
+  queue_counts_changed: (payload: { queue_id: string }) => void;
   queue_cleared: (payload: S['QueueClearedEvent']) => void;
   batch_enqueued: (payload: S['BatchEnqueuedEvent']) => void;
   queue_items_retried: (payload: S['QueueItemsRetriedEvent']) => void;
diff --git a/tests/app/routers/test_multiuser_authorization.py b/tests/app/routers/test_multiuser_authorization.py
index 8cca29dee69..4fcf5997054 100644
--- a/tests/app/routers/test_multiuser_authorization.py
+++ b/tests/app/routers/test_multiuser_authorization.py
@@ -1787,15 +1787,26 @@ def test_queue_item_status_changed_routed_privately(self, socketio: Any) -> None
 
         asyncio.run(socketio._handle_queue_event(("queue_item_status_changed", event)))
 
-        rooms_emitted_to = [call.kwargs.get("room") for call in mock_emit.call_args_list]
-        assert "user:owner-xyz" in rooms_emitted_to
-        assert "admin" in rooms_emitted_to
-        # CRITICAL: must NOT emit to the queue_id room — that would leak to other users
-        assert "default" not in rooms_emitted_to
+        emits = [(call.kwargs.get("event"), call.kwargs.get("room")) for call in mock_emit.call_args_list]
+
+        # The private queue_item_status_changed event carries unsanitized per-user
+        # metadata and must go ONLY to the owner + admin rooms.
+        private_rooms = [room for name, room in emits if name == "queue_item_status_changed"]
+        assert "user:owner-xyz" in private_rooms
+        assert "admin" in private_rooms
+        # CRITICAL: must NOT emit the private event to the queue_id room — that would leak to other users
+        assert "default" not in private_rooms
+
+        # A redacted queue_counts_changed nudge (no per-user data) IS broadcast to the
+        # whole queue room so every subscriber's badge stays live across users.
+        counts_rooms = [room for name, room in emits if name == "queue_counts_changed"]
+        assert "default" in counts_rooms
 
     def test_batch_enqueued_routed_privately(self, socketio: Any) -> None:
-        """Verify that _handle_queue_event emits BatchEnqueuedEvent ONLY to
-        user:{user_id} and admin rooms, never to the queue_id room."""
+        """Verify that _handle_queue_event emits the private BatchEnqueuedEvent ONLY to
+        user:{user_id} and admin rooms, never to the queue_id room. A redacted
+        queue_counts_changed nudge is still broadcast to the queue room so every
+        user's badge stays live."""
         import asyncio
         from unittest.mock import AsyncMock
 
@@ -1821,10 +1832,19 @@ def test_batch_enqueued_routed_privately(self, socketio: Any) -> None:
 
         asyncio.run(socketio._handle_queue_event(("batch_enqueued", event)))
 
-        rooms_emitted_to = [call.kwargs.get("room") for call in mock_emit.call_args_list]
-        assert "user:owner-zzz" in rooms_emitted_to
-        assert "admin" in rooms_emitted_to
-        assert "default" not in rooms_emitted_to
+        emits = [(call.kwargs.get("event"), call.kwargs.get("room")) for call in mock_emit.call_args_list]
+
+        # The private batch_enqueued event carries the enqueuing user's batch_id/origin/
+        # counts and must go ONLY to the owner + admin rooms.
+        private_rooms = [room for name, room in emits if name == "batch_enqueued"]
+        assert "user:owner-zzz" in private_rooms
+        assert "admin" in private_rooms
+        assert "default" not in private_rooms
+
+        # A redacted queue_counts_changed nudge (no per-user data) IS broadcast to the
+        # whole queue room so every subscriber's badge stays live across users.
+        counts_rooms = [room for name, room in emits if name == "queue_counts_changed"]
+        assert "default" in counts_rooms
 
     def test_queue_cleared_still_broadcast(self, socketio: Any) -> None:
         """QueueClearedEvent does not carry user identity and should still be broadcast