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Apple Watch Series 9 Mistakenly Left Off watchOS 27 Compatibility List


Apple today confirmed that the Apple Watch Series 9 is compatible with watchOS 27, after the device was mistakenly omitted from the software's official compatibility page. Apple updated its website immediately following its WWDC 2026 keynote, and the watchOS 27 page listed a shorter compatibility list than many users expected: the Apple Watch SE 3, Series 10, Series 11, Ultra 2, and Ultra 3.

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