Apple to Require Full 64-Bit Support for watchOS Apps from April 2026

Apple has rolled out a key revision for developers crafting apps for watchOS. From April 2026, every watchOS app lodged via App Store Connect must embrace 64-bit architecture and be crafted with the watchOS 26 SDK.

This pivot aims to sharpen app efficiency and spur innovation in Apple Watch software, presenting creators with fresh prospects alongside hurdles.

64-Bit Compatibility Turns Essential

Come April 2026, watchOS apps will need 64-bit integration to breeze through App Store Connect vetting. This edict guarantees seamless alignment with 64-bit frameworks, syncing with the Apple Watch's advancing specs and forthcoming prowess.

Obligation to Employ watchOS 26 SDK

Builders must likewise harness the watchOS 26 SDK for app assembly. This toolkit delivers cutting-edge utilities and interfaces fine-tuned for 64-bit setups, empowering optimisations that elevate speed and enrich the end-user encounter.

Incorporating 64-Bit Functionality

To fulfil these stipulations, Apple recommends leaning on Xcode's preset "Standard architectures" option. This setup yields a unified binary laced with 64-bit instructions, easing the build process whilst upholding the latest benchmarks.

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Validating ARM64 Alignment

To confirm ARM64 synergy, creators can trial their wares in the Xcode Simulator. For hands-on device checks, suitable units encompass Apple Watch Series 9, Series 10, SE (2nd generation), and Ultra 2, powered by watchOS 11 or the watchOS 26 beta, to safeguard peak operation.

Editor's Comments

This directive underscores a calculated uplift for the watchOS realm, as the wholesale shift to 64-bit promises sleeker apps and broader capabilities. With Apple Watch kit evolving apace, makers are counselled to embrace these tweaks promptly to sidestep lodgement snags.

The watchOS 26 SDK's debut likewise heralds thrilling horizons, spurring creators to polish their offerings and hold a sharp market vantage.