ios - Added device tag in storyboard file with Xcode 8.3 -


this device tag added 1 of storyboard's files, didn't see before.
i'm using xcode 8.3.
idea means? i'm wondering if should committed or not.

<device id="retina4_7" orientation="portrait">      <adaptation id="fullscreen"/>   </device>

nothing serious. it's based on selected option of storyboard/xib: enter image description here


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