model-proxy-removal

controllers.application.js

import Ember from 'ember';

Ember.ObjectController.reopen({
  unknownProperty(prop) {
    console.log(prop, this._debugContainerKey);
    // log the info to your server

    return this._super(prop);
  },
 
  setUnknownProperty(key, value) {
    console.log(key, value, this._debugContainerKey);
    // log the info using ajax
    
    return this._super(key, value);
  }
});

export default Ember.ObjectController.extend({
  appName: 'Ember Twiddle',
  actions: {
    setRandom() {
      this.set('name', 'reactjs');
    }
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return {
      name: 'emberjs'
    };
  }
});

templates.application.hbs

<h1>Welcome to {{name}}</h1>
<button {{action "setRandom"}}>Set Random</button>
<br>
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "1.13.13",
    "ember-data": "2.8.0",
    "ember-template-compiler": "1.13.13",
    "ember-testing": "1.13.13"
  },
  "addons": {}
}