Fix vector-im/vector-web#494

lib/sync.js

@@ -470,6 +470,10 @@ SyncApi.prototype._processRoomEvents = function(room, stateEventList,
 
     this._resolveInvites(room);
 
+    // recalculate the room name at this point as adding events to the timeline
+    // may make notifications appear which should have the right name.
+    room.recalculate(this.client.credentials.userId);
+
     // execute the timeline events, this will begin to diverge the current state
     // if the timeline has any state events in it.
     room.addEventsToTimeline(timelineEventList);