Apple has finally released watchOS 27 beta 2 for the Apple Watch Ultra 3, ending a two‑day exclusion that left the flagship model unable to test the new software. Developers can now pull the update through the paired iPhone’s Watch app, provided the device is on Wi‑Fi, charging, and at least half‑charged; the process takes a few minutes.

watchOS 27 introduces an on‑device Siri AI assistant and a revamped Workout Buddy that promises more accurate metrics and adaptive coaching. The beta remains early in its cycle, so developers should expect visual glitches and unfinished features. Apple recommends reserving the build for testing rather than everyday wear, especially on mission‑critical devices. Early adopters should also back up data before flashing, as beta installs can overwrite settings.

The update arrives ahead of the public launch slated for September 2026, when iOS 27 and watchOS 27 roll out together. By granting Ultra 3 owners early access, Apple can gather performance data from its most expensive smartwatch, informing refinements before the consumer release. Developers now have a chance to optimize apps for the new AI capabilities. Feedback will be collected through Apple's developer portal, shaping the final consumer experience.