
Four Potential Upgrades Point to Apple Watch Series 12 and Ultra 4
Code in watchOS 27 and iOS 27 betas hints at four major Apple Watch upgrades: a new Readiness app alongside Workout, expanded strength‑training data (sets, reps, weight, equipment, side, duration), a new Sunstone4p0 optical sensor for improved readings based on placement, and 128GB storage for the Series 12 and Ultra 4, with Bloomberg’s Mark Gurman previously signaling health features.

