Apple rolled out the second developer beta for watchOS 27 today, filling the gap left by yesterday’s iOS 27 and iPadOS 27 beta releases. The build arrives for all compatible Apple Watch models, giving developers early access to the next generation of watchOS features and updated APIs for complications and improved battery‑management tools. Testing will shape final release.

An update posted on June 25 confirmed that the same beta is now available for the Apple Watch Ultra 3, extending support to Apple’s newest rugged smartwatch. By delivering the beta to Ultra 3 users, Apple ensures that the high‑end device can leverage upcoming performance tweaks and sensor integrations that developers are already exploring. Early adopters will also receive the same debugging symbols that streamline app optimization.

Developers can now test watchOS 27’s UI refinements, health‑track enhancements, and potential new watch faces across the full device line. Consumer expectations will hinge on how smoothly these features migrate from beta to retail, especially for Ultra 3 owners who anticipate premium capabilities. If beta proves stable, Apple officially may lock features for September. The beta’s arrival marks the final step before Apple’s annual watch software rollout.