New Twiddle

controllers.application.js

import Ember from 'ember';
import pagedArray from 'ember-cli-pagination/computed/paged-array';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  perPage: 2,
  page: 1,
  search: '',
  
  outputData: Ember.computed('search', 'model.[]', function() {
    const { search, model } = this;
    return search ? model.filter(n => n.includes(search)) : model;
  }),
  
  pagedData: pagedArray('outputData', {
    page: Ember.computed.alias("parent.page"),
    perPage: Ember.computed.alias("parent.perPage")
  }) 
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return [
      'Albert',
      'Becky',
      'Carl',
      'Dave'
    ];
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<p>
 Clicking updates results with ember-cli-pagination 3.1.1 but not 3.1.2
</p>
<p>
  Click <button {{action (mut search) 'a'}}>Filter on 'a'</button>
</p>
<p>
  {{#each pagedData as |name|}}
    {{name}}
  {{/each}}
</p>
<br>
<br>

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.2.2",
    "ember-template-compiler": "3.2.2",
    "ember-testing": "3.2.2"
  },
  "addons": {
    "ember-data": "3.2.0",
    "ember-cli-pagination": "3.1.1"
  }
}