Apple's WWDC 2025 keynote is already in the rearview mirror, and, as usual, the event was dominated by the changes coming to the iPhone's operating system later this year. The reports of a numbering scheme change were true — iOS 18 is skipping to iOS 26 — but there were a laundry list of actual usability changes shown off,

So as of 2025, all of Apple's OSes are named after the year they'll mostly cover. So after iOS 18 comes iOS 26, and after watchOS 11 comes watchOS 26, rather than iOS 19 or watchOS 12, as we initially assumed. The one small exception is macOS 26 Tahoe, which still gets its California-inspired name alongside its number.