Apple has officially detailed why five Apple Watch models will miss out on watchOS 27, a decision that marks an unprecedented cut in device support. The new operating system introduces advanced Siri AI features and a new tap gesture, but requires processing power only available in recent models. The excluded devices include Apple Watch Series 6, Series 7, Series 8, SE (2nd generation), and the original Apple Watch Ultra. These watches will only receive basic security updates going forward, without new functionalities.
The AI-Driven Shift
In an interview with TechRadar, Cait Dooley, Apple Watch and Health product marketing manager, cited performance requirements as the key factor. Every software release must ensure the best possible experience, she explained, and watchOS 27 with Siri AI and the new tap gesture work best with the processing power of Apple Watch Series 9 and later, Ultra 2, and SE 3. David Clark, senior director of watchOS software engineering, added that the goal was to make the watch a true co-partner to Apple Intelligence, creating a consistent Siri experience across wrist and iPhone. He gave the example of asking for a recipe while shopping with hands full and later retrieving the same list on an iPhone in a readable format, calling this handoff a superpower.
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User Impact and Future Outlook
The decision to drop three years of support in a single update is unprecedented for the Apple Watch line. Users of older models can still use their devices with an updated iPhone, but they will miss the AI innovations that represent the platform's future. For those who want to stay current, hardware upgrade is the only path. As noted in our previous coverage of the iPhone 18 Pro, Apple is increasingly pushing device integration with AI at its core. Also, AI regulations in Europe are shaping how companies handle technological evolution. For technical specs on watchOS, refer to the watchOS Wikipedia page.
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watchOS 27 is currently in beta for developers, with a public beta expected next month ahead of an official fall release. Users must prepare for a paradigm shift: the watch is no longer just an accessory but an intelligent companion demanding ever-increasing power.
Source: https://www.macrumors.com/2026/06/19/apple-explains-why-watchos-27-drops-support
