5 July, 2025
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CUPERTINO, Calif. – Apple unveils a groundbreaking update to its watchOS, marking a pivotal shift for the latest Apple Watch models. The introduction of watchOS 26 represents a subtle yet significant transformation, transitioning select Apple Watch models to the full ARM64 architecture.

Breaking: Apple Watch Models Embrace ARM64

Initially perceived as a minor upgrade, watchOS 26 is set to redefine the capabilities of the Apple Watch Series 9, Series 10, and Ultra 2. MacRumors reports that Apple has rebuilt its software to transition these models from arm64_32 to full ARM64 architecture.

“The standard arm64 architecture provides 64-bit pointers and access to broader memory ranges, enhanced performance, and increased compatibility with general-purpose ARM computing standards,” explains MacRumors. “The move also opens the door for potentially more complex and computationally intensive watchOS applications.”

Immediate Impact: Enhanced Performance and Compatibility

This development builds on Apple’s commitment to enhancing device performance and compatibility. The shift to ARM64 is expected to unlock new potentials for watchOS applications, paving the way for more advanced functionalities.

Key Details Emerge: Workout Buddy and AI Integration

One of the standout features of watchOS 26 is Workout Buddy. Leveraging Apple Intelligence from connected iPhones, this feature provides personalized encouragement based on workout data and fitness history.

“With Apple Intelligence from your iPhone, it provides you with the right encouragement based on your workout data and fitness history,” notes Apple. The feature utilizes a text-to-speech model to generate personalized pep talks using voice data from an Apple Fitness+ trainer.

Industry Response: Anticipating Future Developments

While the current AI capabilities of the Apple Watch remain tethered to the iPhone, industry experts speculate that the architectural overhaul signals Apple’s intent to introduce more autonomous AI features in future models. The timing is particularly significant as wearable technology continues to evolve rapidly.

By the Numbers: Architectural Shift

  • 64-bit pointers: Enhanced memory range access
  • Increased compatibility: Aligns with ARM computing standards
  • Potential for complex applications: More registers and system resources available

What Comes Next: Preparing for Future Innovations

According to sources familiar with Apple’s roadmap, the company might be gearing up for a new generation of Apple Watches equipped with even more powerful chips. Such advancements could enable features like Workout Buddy to function independently of an iPhone.

The announcement comes as tech enthusiasts eagerly anticipate the next iteration of Apple’s wearable devices. The move represents a significant shift from previous models, underscoring Apple’s commitment to innovation and user experience enhancement.

Background Context: Apple’s Evolution in Wearable Tech

Apple’s journey in the wearable tech industry has been marked by continuous innovation and adaptation. The shift to ARM64 is the latest chapter in this evolution, promising to bring more powerful and versatile applications to the Apple Watch ecosystem.

Expert Analysis: The Future of Apple Watch

Experts believe that Apple’s architectural changes are a precursor to more revolutionary updates. “This could be one of the more significant advances for the Apple Watch,” says a leading tech analyst. “It highlights the potential for AI-driven applications that could redefine how users interact with their devices.”

As Apple continues to push the boundaries of what’s possible with wearable technology, the industry watches closely to see how these developments will shape the future of personal tech.