Today, Apple posted a notice to developers to remind them that starting on February 1st, new apps submitted to the App Store must include 64-bit support and be built using the iOS 8 SDK. Starting on June 1st, the same requirements are necessary for updates submitted for existing apps. Apple has told developers that by using the default X code build setting "Standard architectures," they can build a single binary with both 32-bit and 64-bit code.
Forcing developers to include 64-bit support should remove some of the pressure from iOS, since apps now have to load 32-bit runtimes to be backward-compatible. The new rules though, won't affect any iPhone model older than the Apple iPhone 5s. It was the latter that first brought 64-bit processing to a smartphone.
Apple gave developers a heads up about the change in October, offering a 6-month warning on the 64-bit requirements for new apps. Today's warning gives developers working on updates to their apps, a similar warning.
Apple reminds developers about 64-bit support for new and updated apps
Alan, an ardent smartphone enthusiast and a veteran writer at PhoneArena since 2009, has witnessed and chronicled the transformative years of mobile technology. Owning iconic phones from the original iPhone to the iPhone 15 Pro Max, he has seen smartphones evolve into a global phenomenon. Beyond smartphones, Alan has covered the emergence of tablets, smartwatches, and smart speakers.
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