ember-cli-new-version/blueprints/ember-cli-new-version/index.js

A convention based update notification for Ember. With this addon, you can detect a new version and notify the user to refresh the page

module.exports = {
  normalizeEntityName() {}, // no-op since we're just adding dependencies

  afterInstall() {
    // Add addons to package.json and run defaultBlueprint
    return this.addAddonToProject('ember-fetch');
  },
};