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<!-- EMBER_CLI_FASTBOOT_TITLE -->  <meta name="ember-cli-head-start" content>  <title>Optional Features - Configuration - Ember Guides</title>

  <meta name="description" content="One of the ways that Ember releases guarantee stability is by following Semantic Versioning (SemVer). For the Ember project this means that any feature that is to be removed must first be deprecated, and only