diff --git a/src/renderer/components/sidebar/SidebarTaskItem.tsx b/src/renderer/components/sidebar/SidebarTaskItem.tsx
index f57b9ac2..2b5c1a12 100644
--- a/src/renderer/components/sidebar/SidebarTaskItem.tsx
+++ b/src/renderer/components/sidebar/SidebarTaskItem.tsx
@@ -94,6 +94,7 @@ export const SidebarTaskItem = memo(function SidebarTaskItem({
   getDisplaySubject,
 }: SidebarTaskItemProps): React.JSX.Element {
   const { t } = useAppTranslation('team');
+  const { t: tCommon } = useAppTranslation('common');
   const openGlobalTaskDetail = useStore((s) => s.openGlobalTaskDetail);
   const teamMembers = useStore(useShallow((s) => s.teamByName[task.teamName]?.members));
   const unreadCount = useUnreadCommentCount(task.teamName, task.id, task.comments);
@@ -137,10 +138,10 @@ export const SidebarTaskItem = memo(function SidebarTaskItem({
   );
   const updatedLabel = formatUpdatedLabel(
     task,
-    t('tasks.date.updatedPrefix'),
-    t('tasks.date.updatedYesterday')
+    tCommon('tasks.date.updatedPrefix'),
+    tCommon('tasks.date.updatedYesterday')
   );
-  const dateLabel = updatedLabel ?? formatTaskDate(task.createdAt, t('tasks.date.yesterday'));
+  const dateLabel = updatedLabel ?? formatTaskDate(task.createdAt, tCommon('tasks.date.yesterday'));
 
   const ownerColorSet = useMemo(() => {
     if (!teamMembers || !task.owner) return null;
@@ -246,7 +247,7 @@ export const SidebarTaskItem = memo(function SidebarTaskItem({
                   <span
                     className={`ml-1.5 inline-block rounded-full px-1.5 py-0.5 align-middle text-[10px] font-medium leading-none ${REVIEW_STATE_DISPLAY.needsFix.bg} ${REVIEW_STATE_DISPLAY.needsFix.text}`}
                   >
-                    {t('tasks.reviewState.needsFix')}
+                    {tCommon('tasks.reviewState.needsFix')}
                   </span>
                 )}
               </span>
diff --git a/src/renderer/store/slices/teamSlice.ts b/src/renderer/store/slices/teamSlice.ts
index 1d116114..9fc75c6a 100644
--- a/src/renderer/store/slices/teamSlice.ts
+++ b/src/renderer/store/slices/teamSlice.ts
@@ -522,10 +522,8 @@ export function __getTeamScopedTransientStateForTests(teamName: string): {
     getResolvedMemberSelectorCacheSnapshotForTeam(teamName);
 
   return {
-    hasResolvedMembersSelector:
-      resolvedMemberSelectorCacheSnapshot.hasResolvedMembersSelector,
-    resolvedMemberSelectorCount:
-      resolvedMemberSelectorCacheSnapshot.resolvedMemberSelectorCount,
+    hasResolvedMembersSelector: resolvedMemberSelectorCacheSnapshot.hasResolvedMembersSelector,
+    resolvedMemberSelectorCount: resolvedMemberSelectorCacheSnapshot.resolvedMemberSelectorCount,
     hasMergedMessagesSelector: messageSelectorCache.hasMergedMessagesSelector,
     memberMessagesSelectorCount: messageSelectorCache.memberMessagesSelectorCount,
     hasPendingFreshTeamDataRefresh: pendingFreshTeamDataRefreshes.has(teamName),
@@ -621,12 +619,7 @@ function maybeLogMemberSpawnUiEqualSuppressed(
   teamName: string,
   runId: string | null | undefined
 ): void {
-  if (
-    !shouldLogMemberSpawnUiEqualSuppressed(
-      teamName,
-      MEMBER_SPAWN_UI_EQUAL_WARN_THROTTLE_MS
-    )
-  ) {
+  if (!shouldLogMemberSpawnUiEqualSuppressed(teamName, MEMBER_SPAWN_UI_EQUAL_WARN_THROTTLE_MS)) {
     return;
   }
   logger.debug(
@@ -2050,6 +2043,13 @@ export const createTeamSlice: StateCreator<AppState, [], [], TeamSlice> = (set,
         let changed = false;
         const nextTasks = teamData.tasks.map((task) => {
           const nextPresence = presenceByTaskId[task.id] ?? 'unknown';
+          if (
+            nextPresence === 'unknown' &&
+            task.changePresence &&
+            task.changePresence !== 'unknown'
+          ) {
+            return task;
+          }
           if (task.changePresence === nextPresence) {
             return task;
           }
diff --git a/test/renderer/components/sidebar/SidebarTaskItem.test.ts b/test/renderer/components/sidebar/SidebarTaskItem.test.ts
index df2a662f..0211d209 100644
--- a/test/renderer/components/sidebar/SidebarTaskItem.test.ts
+++ b/test/renderer/components/sidebar/SidebarTaskItem.test.ts
@@ -1,5 +1,6 @@
 import React, { act } from 'react';
 import { createRoot } from 'react-dom/client';
+
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 
 import type { GlobalTask } from '../../../../src/shared/types';
@@ -29,6 +30,28 @@ vi.mock('../../../../src/renderer/hooks/useTheme', () => ({
   }),
 }));
 
+vi.mock('@features/localization/renderer', () => ({
+  useAppTranslation: (namespace: string) => {
+    const catalogs: Record<string, Record<string, string>> = {
+      common: {
+        'tasks.date.updatedPrefix': 'upd',
+        'tasks.date.updatedYesterday': 'upd yesterday',
+        'tasks.date.yesterday': 'Yesterday',
+        'tasks.reviewState.needsFix': 'Needs Fixes',
+      },
+      team: {
+        'tasks.teamPrefix': 'Team:',
+        'tasks.unassigned': 'Unassigned',
+      },
+    };
+
+    return {
+      resolvedLanguage: 'en',
+      t: (key: string) => catalogs[namespace]?.[key] ?? key,
+    };
+  },
+}));
+
 vi.mock('../../../../src/renderer/components/ui/tooltip', () => ({
   Tooltip: ({ children }: React.PropsWithChildren) =>
     React.createElement(React.Fragment, null, children),
@@ -203,4 +226,38 @@ describe('SidebarTaskItem unread styling', () => {
       await Promise.resolve();
     });
   });
+
+  it('renders translated updated and review labels instead of i18n keys', async () => {
+    vi.stubGlobal('IS_REACT_ACT_ENVIRONMENT', true);
+
+    const host = document.createElement('div');
+    document.body.appendChild(host);
+    const root = createRoot(host);
+
+    const updatedAt = new Date();
+    const createdAt = new Date(updatedAt.getTime() - 5 * 60_000);
+
+    await act(async () => {
+      root.render(
+        React.createElement(SidebarTaskItem, {
+          task: makeTask({
+            createdAt: createdAt.toISOString(),
+            reviewState: 'needsFix',
+            updatedAt: updatedAt.toISOString(),
+          }),
+        })
+      );
+      await Promise.resolve();
+    });
+
+    expect(host.textContent).toContain('upd');
+    expect(host.textContent).toContain('Needs Fixes');
+    expect(host.textContent).not.toContain('tasks.date.updatedPrefix');
+    expect(host.textContent).not.toContain('tasks.reviewState.needsFix');
+
+    await act(async () => {
+      root.unmount();
+      await Promise.resolve();
+    });
+  });
 });
diff --git a/test/renderer/store/teamSlice.test.ts b/test/renderer/store/teamSlice.test.ts
index da42c5cc..7351801c 100644
--- a/test/renderer/store/teamSlice.test.ts
+++ b/test/renderer/store/teamSlice.test.ts
@@ -6,8 +6,8 @@ import {
   __resetTeamSliceModuleStateForTests,
   createTeamSlice,
   getActiveTeamPendingReplyWaits,
-  hasActiveTeamPendingReplyWait,
   getCurrentProvisioningProgressForTeam,
+  hasActiveTeamPendingReplyWait,
   loadPersistedMessagesPanelMode,
   savePersistedMessagesPanelMode,
   selectMemberMessagesForTeamMember,
@@ -24,6 +24,7 @@ import {
 const hoisted = vi.hoisted(() => ({
   list: vi.fn(),
   getData: vi.fn(),
+  getTaskChangePresence: vi.fn(),
   getMessagesPage: vi.fn(),
   getMemberActivityMeta: vi.fn(),
   createTeam: vi.fn(),
@@ -61,6 +62,7 @@ vi.mock('@renderer/api', () => ({
     teams: {
       list: hoisted.list,
       getData: hoisted.getData,
+      getTaskChangePresence: hoisted.getTaskChangePresence,
       getMessagesPage: hoisted.getMessagesPage,
       getMemberActivityMeta: hoisted.getMemberActivityMeta,
       createTeam: hoisted.createTeam,
@@ -302,6 +304,7 @@ describe('teamSlice actions', () => {
     __resetTeamRefreshFanoutDiagnosticsForTests();
     hoisted.list.mockResolvedValue([]);
     hoisted.getData.mockResolvedValue(createTeamSnapshot());
+    hoisted.getTaskChangePresence.mockResolvedValue({});
     hoisted.getMessagesPage.mockResolvedValue({
       messages: [],
       nextCursor: null,
@@ -5147,6 +5150,36 @@ describe('teamSlice actions', () => {
 
       expect(store.getState().selectedTeamData?.tasks[0]?.changePresence).toBe('has_changes');
     });
+
+    it('does not clear known task changePresence when presence refresh returns unknown', async () => {
+      const store = createSliceStore();
+      store.setState({
+        selectedTeamName: 'my-team',
+        selectedTeamData: createTeamSnapshot({
+          tasks: [
+            {
+              id: 'task-1',
+              subject: 'Known changes',
+              status: 'in_progress',
+              owner: 'alice',
+              createdAt: '2026-03-01T10:00:00.000Z',
+              updatedAt: '2026-03-01T10:00:00.000Z',
+              workIntervals: [{ startedAt: '2026-03-01T10:05:00.000Z' }],
+              historyEvents: [],
+              comments: [],
+              attachments: [],
+              changePresence: 'has_changes',
+            },
+          ],
+        }),
+      });
+
+      hoisted.getTaskChangePresence.mockResolvedValue({ 'task-1': 'unknown' });
+
+      await store.getState().refreshTeamChangePresence('my-team');
+
+      expect(store.getState().selectedTeamData?.tasks[0]?.changePresence).toBe('has_changes');
+    });
   });
 
   describe('provisioning run scoping', () => {