Model properties that are defined using ES6 classes and ember-decorators don't show in the detailed object-inspector sidebar, but they do show in the table view.
Codesandbox Repro
import DS from "ember-data";
import { attr } from "@ember-decorators/data";
export default class User extends DS.Model.extend({
bar: DS.attr("string")
}) {
@attr("string") foo;
baz = DS.attr("string");
}

Model properties that are defined using ES6 classes and ember-decorators don't show in the detailed object-inspector sidebar, but they do show in the table view.
Codesandbox Repro