message: Fixed data item count
diff: @@ -50,7 +50,7 @@ class Scene extends React.Component<NavigationMotionProps, NavigationMotionState
  if (!changed) {
  var {state: latestState, data: latestData} = crumbs[crumb];
  var {state, data} = this.state.navigationEvent.stateNavigator.stateContext;
  - changed = state !== latestState || data.length !== latestData.length;
  + changed = state !== latestState || Object.keys(data).length !== Object.keys(latestData).length;
  for(var key in data) {
  changed = changed || data[key] !== latestData[key];
  }
  