Magento 2 fixes the &quot;no namespace&quot; issue. Everything else is still there, and some parts are taken to eleven.<p>A while ago, I ran PHPStorm&#x27;s code inspections against Magento 1.x core code, and the result wasn&#x27;t very encouraging: <a href="https:&#x2F;&#x2F;imgur.com&#x2F;RMxWEgR" rel="nofollow">https:&#x2F;&#x2F;imgur.com&#x2F;RMxWEgR</a>