Catch-All Route doesnt have loading states

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
});

application.template.hbs

<h1>Application Template</h1>

{{outlet}}

my-catch-all.loading.hbs

<h2>Loading My-Catch-All route</h2>

my-catch-all.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return new Ember.RSVP.Promise(resolve => {
      Ember.run.later(() => resolve({}), 3000);
    });
  },
});

my-catch-all.template.hbs

<h2>Catch All Resolved</h2>

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('my-catch-all', {
    path: '*myCatchAllStuff',
  });
});

export default Router;

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": true,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}