### Apple’s Autumn OS Launch Schedule: Insights and Projections for 2025
As WWDC25 concludes, the subsequent key event on Apple’s agenda is the autumn OS launch period. A recent chart has emerged, offering a visual depiction of the release timeline for Apple’s operating systems dating back to 2013.
Initially shared by Reddit user alexkaessner, the interactive timeline from Datawrapper showcases the usual trend of Apple’s autumn releases. The chart indicates that the Fall Keynote typically takes place in the early part of September (noted with blue dots), followed by the rollout of iOS and iPadOS roughly a week thereafter (represented by red dots), with macOS launches following (shown as orange dots).
One significant point drawn from the timeline is the postponement of macOS releases from 2019 to 2022, often extending into October and sometimes November. Nonetheless, in recent times, Apple has succeeded in narrowing this interval, with macOS releases coming more in line with those of iOS and iPadOS, including a simultaneous launch last year.
#### Anticipations for 2025
Traditionally, iOS 26 and iPadOS 26 are anticipated to debut in mid-to-late September, shortly after Apple’s autumn iPhone event. The schedule for macOS Tahoe 26 remains unclear. The previous year marked a change with a simultaneous launch of macOS alongside iOS and iPadOS, yet this has not been a steady pattern.
As Apple approaches more intricate cross-platform functionalities, new AI integrations, and the complexities of developing for various device categories, timelines may adjust. The expected Liquid Glass UI revamp could potentially streamline certain processes, but it might also present new challenges.
Moreover, iOS launches are intricately linked to iPhone debuts, and Apple has encountered supply chain uncertainties stemming from ongoing US-China trade tensions. Although recent updates imply a possible diminishment of these tensions, the unpredictability of the situation remains a variable that could influence release schedules.
In conclusion, while Apple’s historical trends afford a basis for expectations, the shifting nature of technology and global supply chains necessitates that flexibility and adaptability will be essential as the company approaches its autumn OS launch period.