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<!-- EMBER_CLI_FASTBOOT_TITLE -->  <meta name="ember-cli-head-start" content>  <title>How to upgrade - Upgrading - Ember Guides</title>

  <meta name="description" content="When someone says they are &quot;upgrading&quot; their Ember app, it could mean one of several things, especially if they say that they are &quot;upgrading to Octane.&quot; This Guide will help fill in the blanks ab