Chart shows iOS, iPadOS, and macOS release timing trends

With WWDC25 wrapping up, the next big milestone on Apple’s calendar is the fall OS release season. And while many already have a mental map of how these rollouts usually go, a new chart making the rounds offers a great visual snapshot of when each OS has landed since 2013.

Originally posted by Reddit user alexkaessner, the Datawrapper interactive timeline highlights the usual pattern: Fall Keynote in the first half of September (blue dots), iOS and iPadOS release about a week after…