ven't missed anything, and ensure no new deprecated calls of that type are introduced to your project.
Next, it's just a matter of going down the list, updating the handler, and fixing each remaining deprecation.</p>
<p>In the end, your deprecations can be fully turned on as "throw" and you should be able to use your application without error.  At this point, you can
go ahead and update your Ember version!  When you upgrade, be sure you remove the deprecations you've fixed from the deprecation workflow file