Broken deep hash binding

components.my-component.js

import Ember from 'ember';

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

components.my-other-component.js

import Ember from 'ember';

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

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  init() {
    this.set('values', Ember.Object.create());
    Ember.run.later(this, () => {
      this.set('values.foo', 'Timeout value foo');
      this.set('values.bar', 'Timeout value bar');
    }, 5000);
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

{{#with (hash
	foo=(hash
  	value=values.foo
    label='values.foo')
  bar=(hash
  	value=values.bar
    label='values.bar')) as |fields|}}
  {{my-component field=fields.foo}}
  <strong>application value</strong>: {{values.foo}}
  
  <hr />
  
  {{my-other-component value=fields.bar.value field=fields.bar}}
  <strong>application value</strong>: {{values.bar}}
{{/with}}

templates.components.my-component.hbs

{{field.label}}: {{input value=field.value}}

templates.components.my-other-component.hbs

{{field.label}}: {{input value=value}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "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"
  }
}