Add logging for diagnosis

src/components/structures/RoomView.js

@@ -170,6 +170,15 @@ module.exports = React.createClass({
             isInitialEventHighlighted: RoomViewStore.isInitialEventHighlighted(),
         };
 
+        // Temporary logging to diagnose https://github.com/vector-im/riot-web/issues/4307
+        console.log(
+            'RVS update:',
+            newState.roomId,
+            newState.roomAlias,
+            'loading?', newState.roomLoading,
+            'joining?', newState.joining,
+        );
+
         // NB: This does assume that the roomID will not change for the lifetime of
         // the RoomView instance
         if (initial) {