As we announced in October, beginning on February 1, 2015 new iOS apps submitted to the App Store must include 64-bit support and be built with the iOS 8 SDK. Beginning June 1, 2015 app updates will also need to follow the same requirements. 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 and iOS 8 Requirements for App Updates - Latest News - Apple Developer](https://cdn-ak-scissors.b.st-hatena.com/image/square/2825d9cd787380704c8d67166931f43c4b2dc3ff/height=288;version=1;width=512/https%3A%2F%2Fdeveloper.apple.com%2Fnews%2Fimages%2Fog%2Fapple-developer-og.png)