Apple forces upcoming iOS applications to support 64-bit

Apple has officially announced, since June 1, 2015, all app developers for iOS want to update for current applications, they must support 64-bit.

On December 17, Apple posted a notice to remind developers to start from February 1, 2015, new applications posted to the App Store will have to support 64-bit and be built build from the iOS 8 SDK toolkit. From June 1, 2015, current applications that want to update to the new version must also meet the above requirements of Apple. The company shared with developers that, by using X code set up by "standard knowledge" , they could build a single binary for both 32-bit and 64-bit systems.

Apple's new rule will not affect older iPhones because applications can download 32-bit runtime for backward compatibility with these devices.