35 9.69 52.73.5 13.9 17.45 20.44 27.29 10.6l37.1-37.1c59.28-59.26 59.28-155.7 0-214.96z"/>
      </svg></a> </h2>
<section aria-labelledby="toc_upgrading-to-octane">
<p>Octane was a big shift in Ember's syntax, features, and mental models! If you are in the process of upgrading an existing app to use Octane patterns, check out our dedicated <a href="./current-edition/">Octane Update Guide</a>.</p>
</section>
</div>

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