diff --git a/lib/pages/archive/archive.dart b/lib/pages/archive/archive.dart
index be1a975c..823fe836 100644
--- a/lib/pages/archive/archive.dart
+++ b/lib/pages/archive/archive.dart
@@ -42,7 +42,7 @@ class ArchiveController extends State<Archive> {
       context: context,
       future: () async {
         while (archive.isNotEmpty) {
-          Logs().v('Forget room ${archive.last.displayname}');
+          Logs().v('Forget room ${archive.last.getLocalizedDisplayname()}');
           await archive.last.forget();
           archive.removeLast();
         }
diff --git a/lib/pages/chat/chat.dart b/lib/pages/chat/chat.dart
index f5107580..69265d29 100644
--- a/lib/pages/chat/chat.dart
+++ b/lib/pages/chat/chat.dart
@@ -134,15 +134,6 @@ class ChatController extends State<Chat> {
 
   bool showEmojiPicker = false;
 
-  bool get isLeftDMRoom {
-    final room = this.room;
-    final userId = room?.directChatMatrixID;
-    if (room == null || userId == null) return false;
-    return room.isDirectChat &&
-        room.unsafeGetUserFromMemoryOrFallback(userId).membership ==
-            Membership.leave;
-  }
-
   void recreateChat() async {
     final room = this.room;
     final userId = room?.directChatMatrixID;
diff --git a/lib/pages/chat/chat_app_bar_title.dart b/lib/pages/chat/chat_app_bar_title.dart
index 7dffe860..cffe7411 100644
--- a/lib/pages/chat/chat_app_bar_title.dart
+++ b/lib/pages/chat/chat_app_bar_title.dart
@@ -47,7 +47,9 @@ class ChatAppBarTitle extends StatelessWidget {
             tag: 'content_banner',
             child: Avatar(
               mxContent: room.avatar,
-              name: room.displayname,
+              name: room.getLocalizedDisplayname(
+                MatrixLocals(L10n.of(context)!),
+              ),
               size: 32,
             ),
           ),
diff --git a/lib/pages/chat/chat_view.dart b/lib/pages/chat/chat_view.dart
index dd6faf18..8e6f0601 100644
--- a/lib/pages/chat/chat_view.dart
+++ b/lib/pages/chat/chat_view.dart
@@ -291,7 +291,8 @@ class ChatView extends StatelessWidget {
                                           Brightness.light
                                       ? Colors.white
                                       : Colors.black,
-                                  child: controller.isLeftDMRoom
+                                  child: controller.room?.isAbandonedDMRoom ==
+                                          true
                                       ? Row(
                                           mainAxisAlignment:
                                               MainAxisAlignment.spaceEvenly,
diff --git a/lib/pages/chat/input_bar.dart b/lib/pages/chat/input_bar.dart
index 555fdbe6..7591aea2 100644
--- a/lib/pages/chat/input_bar.dart
+++ b/lib/pages/chat/input_bar.dart
@@ -196,7 +196,7 @@ class InputBar extends StatelessWidget {
           ret.add({
             'type': 'room',
             'mxid': (r.canonicalAlias.isNotEmpty) ? r.canonicalAlias : r.id,
-            'displayname': r.displayname,
+            'displayname': r.getLocalizedDisplayname(),
             'avatar_url': r.avatar?.toString(),
           });
         }
diff --git a/lib/pages/chat_list/chat_list.dart b/lib/pages/chat_list/chat_list.dart
index 44a7dd6f..b452a161 100644
--- a/lib/pages/chat_list/chat_list.dart
+++ b/lib/pages/chat_list/chat_list.dart
@@ -18,6 +18,7 @@ import 'package:fluffychat/pages/chat_list/chat_list_view.dart';
 import 'package:fluffychat/utils/famedlysdk_store.dart';
 import 'package:fluffychat/utils/localized_exception_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/client_stories_extension.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
 import '../../../utils/account_bundles.dart';
 import '../../utils/matrix_sdk_extensions/matrix_file_extension.dart';
@@ -508,7 +509,8 @@ class ChatListController extends State<ChatList>
             .map(
               (space) => AlertDialogAction(
                 key: space.id,
-                label: space.displayname,
+                label: space
+                    .getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
               ),
             )
             .toList());
diff --git a/lib/pages/chat_list/chat_list_body.dart b/lib/pages/chat_list/chat_list_body.dart
index 6e1e2aaf..d7a09d9d 100644
--- a/lib/pages/chat_list/chat_list_body.dart
+++ b/lib/pages/chat_list/chat_list_body.dart
@@ -11,6 +11,7 @@ import 'package:fluffychat/pages/chat_list/space_view.dart';
 import 'package:fluffychat/pages/chat_list/stories_header.dart';
 import 'package:fluffychat/utils/adaptive_bottom_sheet.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/client_stories_extension.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/stream_extension.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import 'package:fluffychat/widgets/profile_bottom_sheet.dart';
@@ -205,8 +206,11 @@ class ChatListViewBody extends StatelessWidget {
                     );
                   }
                   i--;
-                  if (!rooms[i].displayname.toLowerCase().contains(
-                      controller.searchController.text.toLowerCase())) {
+                  if (!rooms[i]
+                      .getLocalizedDisplayname(MatrixLocals(L10n.of(context)!))
+                      .toLowerCase()
+                      .contains(
+                          controller.searchController.text.toLowerCase())) {
                     return Container();
                   }
                   return ChatListItem(
diff --git a/lib/pages/chat_list/chat_list_item.dart b/lib/pages/chat_list/chat_list_item.dart
index fd62cef7..86f0e61c 100644
--- a/lib/pages/chat_list/chat_list_item.dart
+++ b/lib/pages/chat_list/chat_list_item.dart
@@ -124,6 +124,9 @@ class ChatListItem extends StatelessWidget {
             ? 20.0
             : 14.0
         : 0.0;
+    final displayname = room.getLocalizedDisplayname(
+      MatrixLocals(L10n.of(context)!),
+    );
     return Material(
       color: selected
           ? Theme.of(context).colorScheme.primaryContainer
@@ -144,14 +147,14 @@ class ChatListItem extends StatelessWidget {
               )
             : Avatar(
                 mxContent: room.avatar,
-                name: room.displayname,
+                name: displayname,
                 onTap: onLongPress,
               ),
         title: Row(
           children: <Widget>[
             Expanded(
               child: Text(
-                room.getLocalizedDisplayname(MatrixLocals(L10n.of(context)!)),
+                displayname,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
                 softWrap: false,
diff --git a/lib/pages/chat_list/chat_list_view.dart b/lib/pages/chat_list/chat_list_view.dart
index f86ca2b0..6bd24a49 100644
--- a/lib/pages/chat_list/chat_list_view.dart
+++ b/lib/pages/chat_list/chat_list_view.dart
@@ -10,6 +10,7 @@ import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/config/themes.dart';
 import 'package:fluffychat/pages/chat_list/chat_list.dart';
 import 'package:fluffychat/pages/chat_list/navi_rail_item.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import 'package:fluffychat/widgets/unread_rooms_badge.dart';
 import '../../widgets/matrix.dart';
@@ -140,13 +141,16 @@ class ChatListView extends StatelessWidget {
                             controller.activeFilter == ActiveFilter.spaces &&
                                 rootSpaces[i].id == controller.activeSpaceId;
                         return NaviRailItem(
-                          toolTip: rootSpaces[i].displayname,
+                          toolTip: rootSpaces[i].getLocalizedDisplayname(
+                              MatrixLocals(L10n.of(context)!)),
                           isSelected: isSelected,
                           onTap: () =>
                               controller.setActiveSpace(rootSpaces[i].id),
                           icon: Avatar(
                             mxContent: rootSpaces[i].avatar,
-                            name: rootSpaces[i].displayname,
+                            name: rootSpaces[i].getLocalizedDisplayname(
+                              MatrixLocals(L10n.of(context)!),
+                            ),
                             size: 32,
                             fontSize: 12,
                           ),
diff --git a/lib/pages/chat_list/space_view.dart b/lib/pages/chat_list/space_view.dart
index 3885503a..3ca6ba45 100644
--- a/lib/pages/chat_list/space_view.dart
+++ b/lib/pages/chat_list/space_view.dart
@@ -10,6 +10,7 @@ import 'package:vrouter/vrouter.dart';
 import 'package:fluffychat/pages/chat_list/chat_list.dart';
 import 'package:fluffychat/pages/chat_list/chat_list_item.dart';
 import 'package:fluffychat/pages/chat_list/search_title.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import '../../utils/localized_exception_extension.dart';
 import '../../widgets/matrix.dart';
@@ -85,7 +86,10 @@ class _SpaceViewState extends State<SpaceView> {
         activeSpaceId == null ? null : client.getRoomById(activeSpaceId);
     final action = await showModalActionSheet<SpaceChildContextAction>(
       context: context,
-      title: spaceChild?.name ?? room?.displayname,
+      title: spaceChild?.name ??
+          room?.getLocalizedDisplayname(
+            MatrixLocals(L10n.of(context)!),
+          ),
       message: spaceChild?.topic ?? room?.topic,
       actions: [
         if (room == null)
@@ -148,25 +152,31 @@ class _SpaceViewState extends State<SpaceView> {
       return ListView.builder(
         itemCount: rootSpaces.length,
         controller: widget.scrollController,
-        itemBuilder: (context, i) => Material(
-          color: Theme.of(context).backgroundColor,
-          child: ListTile(
-            leading: Avatar(
-              mxContent: rootSpaces[i].avatar,
-              name: rootSpaces[i].displayname,
+        itemBuilder: (context, i) {
+          final rootSpace = rootSpaces[i];
+          final displayname = rootSpace.getLocalizedDisplayname(
+            MatrixLocals(L10n.of(context)!),
+          );
+          return Material(
+            color: Theme.of(context).backgroundColor,
+            child: ListTile(
+              leading: Avatar(
+                mxContent: rootSpace.avatar,
+                name: displayname,
+              ),
+              title: Text(
+                displayname,
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+              ),
+              subtitle: Text(L10n.of(context)!
+                  .numChats(rootSpace.spaceChildren.length.toString())),
+              onTap: () => widget.controller.setActiveSpace(rootSpace.id),
+              onLongPress: () => _onSpaceChildContextMenu(null, rootSpace),
+              trailing: const Icon(Icons.chevron_right_outlined),
             ),
-            title: Text(
-              rootSpaces[i].displayname,
-              maxLines: 1,
-              overflow: TextOverflow.ellipsis,
-            ),
-            subtitle: Text(L10n.of(context)!
-                .numChats(rootSpaces[i].spaceChildren.length.toString())),
-            onTap: () => widget.controller.setActiveSpace(rootSpaces[i].id),
-            onLongPress: () => _onSpaceChildContextMenu(null, rootSpaces[i]),
-            trailing: const Icon(Icons.chevron_right_outlined),
-          ),
-        ),
+          );
+        },
       );
     }
     return FutureBuilder<GetSpaceHierarchyResponse>(
@@ -218,7 +228,9 @@ class _SpaceViewState extends State<SpaceView> {
                       ),
                       title: Text(parentSpace == null
                           ? L10n.of(context)!.allSpaces
-                          : parentSpace.displayname),
+                          : parentSpace.getLocalizedDisplayname(
+                              MatrixLocals(L10n.of(context)!),
+                            )),
                       trailing: IconButton(
                         icon: snapshot.connectionState != ConnectionState.done
                             ? const CircularProgressIndicator.adaptive()
diff --git a/lib/pages/dialer/dialer.dart b/lib/pages/dialer/dialer.dart
index e612b56e..6c11aecf 100644
--- a/lib/pages/dialer/dialer.dart
+++ b/lib/pages/dialer/dialer.dart
@@ -30,6 +30,7 @@ import 'package:matrix/matrix.dart';
 import 'package:vibration/vibration.dart';
 import 'package:wakelock/wakelock.dart';
 
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/widgets/avatar.dart';
 import 'pip/pip_view.dart';
@@ -129,7 +130,9 @@ class Calling extends StatefulWidget {
 class MyCallingPage extends State<Calling> {
   Room? get room => call.room;
 
-  String get displayName => call.displayName ?? '';
+  String get displayName => call.room.getLocalizedDisplayname(
+        MatrixLocals(L10n.of(context)!),
+      );
 
   String get callId => widget.callId;
 
@@ -464,7 +467,9 @@ class MyCallingPage extends State<Calling> {
     if (call.localHold || call.remoteOnHold) {
       var title = '';
       if (call.localHold) {
-        title = '${call.displayName} held the call.';
+        title = '${call.room.getLocalizedDisplayname(
+          MatrixLocals(L10n.of(context)!),
+        )} held the call.';
       } else if (call.remoteOnHold) {
         title = 'You held the call.';
       }
diff --git a/lib/pages/invitation_selection/invitation_selection.dart b/lib/pages/invitation_selection/invitation_selection.dart
index cba0dd8f..ab10628b 100644
--- a/lib/pages/invitation_selection/invitation_selection.dart
+++ b/lib/pages/invitation_selection/invitation_selection.dart
@@ -9,6 +9,7 @@ import 'package:matrix/matrix.dart';
 import 'package:vrouter/vrouter.dart';
 
 import 'package:fluffychat/pages/invitation_selection/invitation_selection_view.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../utils/localized_exception_extension.dart';
 
@@ -55,7 +56,11 @@ class InvitationSelectionController extends State<InvitationSelection> {
     if (OkCancelResult.ok !=
         await showOkCancelAlertDialog(
           context: context,
-          title: L10n.of(context)!.inviteContactToGroup(room.displayname),
+          title: L10n.of(context)!.inviteContactToGroup(
+            room.getLocalizedDisplayname(
+              MatrixLocals(L10n.of(context)!),
+            ),
+          ),
           okLabel: L10n.of(context)!.yes,
           cancelLabel: L10n.of(context)!.cancel,
         )) {
diff --git a/lib/utils/matrix_sdk_extensions/client_stories_extension.dart b/lib/utils/matrix_sdk_extensions/client_stories_extension.dart
index eff87f23..281ab323 100644
--- a/lib/utils/matrix_sdk_extensions/client_stories_extension.dart
+++ b/lib/utils/matrix_sdk_extensions/client_stories_extension.dart
@@ -1,8 +1,11 @@
 import 'package:flutter/cupertino.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:matrix/matrix.dart';
 
+import 'package:fluffychat/utils/matrix_sdk_extensions/matrix_locals.dart';
+
 extension ClientStoriesExtension on Client {
   static const String storiesRoomType = 'msc3588.stories.stories-room';
   static const String storiesBlockListType = 'msc3588.stories.block-list';
@@ -85,7 +88,11 @@ extension ClientStoriesExtension on Client {
         context: context,
         actions: candidates
             .map(
-              (room) => SheetAction(label: room.displayname, key: room),
+              (room) => SheetAction(
+                  label: room.getLocalizedDisplayname(
+                    MatrixLocals(L10n.of(context)!),
+                  ),
+                  key: room),
             )
             .toList());
   }
diff --git a/lib/utils/push_helper.dart b/lib/utils/push_helper.dart
index 018c9de3..242576f4 100644
--- a/lib/utils/push_helper.dart
+++ b/lib/utils/push_helper.dart
@@ -200,7 +200,9 @@ Future<void> _tryPushHelper(
     styleInformation: messagingStyleInformation ??
         MessagingStyleInformation(
           Person(name: event.room.client.userID),
-          conversationTitle: event.room.displayname,
+          conversationTitle: event.room.getLocalizedDisplayname(
+            MatrixLocals(l10n),
+          ),
           groupConversation: !event.room.isDirectChat,
           messages: [newMessage],
         ),
@@ -217,7 +219,9 @@ Future<void> _tryPushHelper(
 
   await flutterLocalNotificationsPlugin.show(
     id,
-    event.room.displayname,
+    event.room.getLocalizedDisplayname(
+      MatrixLocals(l10n),
+    ),
     body,
     platformChannelSpecifics,
     payload: event.roomId,
diff --git a/lib/utils/voip/callkeep_manager.dart b/lib/utils/voip/callkeep_manager.dart
index 5041725c..6df4a81d 100644
--- a/lib/utils/voip/callkeep_manager.dart
+++ b/lib/utils/voip/callkeep_manager.dart
@@ -222,8 +222,9 @@ class CallKeepManager {
     addCall(call.callId, callKeeper);
     await _callKeep.displayIncomingCall(
       call.callId,
-      '${call.displayName!} (FluffyChat)',
-      localizedCallerName: '${call.displayName!} (FluffyChat)',
+      '${call.room.getLocalizedDisplayname()} (FluffyChat)',
+      localizedCallerName:
+          '${call.room.getLocalizedDisplayname()} (FluffyChat)',
       handleType: 'number',
       hasVideo: call.type == CallType.kVideo,
     );
diff --git a/pubspec.lock b/pubspec.lock
index d15884e6..e853ffdb 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -944,7 +944,7 @@ packages:
       name: matrix
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.15.11"
+    version: "0.15.12"
   matrix_api_lite:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index ea4db187..c9b7a8cf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -58,7 +58,7 @@ dependencies:
   just_audio_mpv: ^0.1.6
   keyboard_shortcuts: ^0.1.4
   latlong2: ^0.8.1
-  matrix: ^0.15.11
+  matrix: ^0.15.12
   matrix_homeserver_recommendations: ^0.3.0
   matrix_link_text: ^1.0.2
   native_imaging: ^0.1.0