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Appleが2015年2月1日から新規アプリ及びアプリのアップデートは64ビットをサポートしiOS8SDKで開発されたアプリのみ申請受付と発表

Last updated at 2014-10-25Posted at 2014-10-21

アプリの開発はXcode6が必須になりますね。

64-bit and iOS 8 Requirements for New Apps

October 20, 2014

Starting February 1, 2015, new iOS apps uploaded to the App Store must include 64-bit support and be built with the iOS 8 SDK, included in Xcode 6 or later. To enable 64-bit in your project, we recommend using the default Xcode build setting of “Standard architectures” to build a single binary with both 32-bit and 64-bit code.

追記：2014年10月25日

"新規アプリは"と記述してましたが Dev ForumsでAppleへの問合せの結果、更新も含む報告があったので訂正いたしました。
https://devforums.apple.com/message/1062587

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