vior.</p>
<p>The best way to discover new features is to read the <a href="https://blog.emberjs.com/tags/releases.html">release blog posts</a>.
If a new feature requires you to opt-in, it's called an optional feature.
Follow <a href="../configuring-ember/optional-features/">the optional features guide</a> to learn which optional features are available in your app's version of Ember, and how to enable them.
In many cases, codemods will be available to help you make syntax-related updates.
A codemod is a tool