Apple's next-generation operating systems are widely expected to be released at around 2:00 a.m. Japan time on Tuesday, 15 September, with multiple operating systems, including iOS 27, likely to launch simultaneously. The release date of the iPhone 18 Pro and the event schedule have also been reported.
Around 2:00 a.m. Japan time on Tuesday, 15 September, has been reported as the leading candidate for the release of Apple's next-generation operating systems. The lineup is said to include not only iOS 27, but also iPadOS 27, macOS 27 Golden Gate, watchOS 27, tvOS 27, HomePod Software Version 27, and visionOS 27.
Over the past 4 years, official iOS releases have consistently been distributed at around 2:00 a.m. Japan time on Tuesdays for the most recent 4 generations. The periods and specific dates from iOS 16 through iOS 26 have been cited.
The iPhone 18 Pro series is expected to be announced at an event beginning at 2:00 a.m. Japan time on 10 September 2026, with pre-orders opening on 11 or 12 September and the devices going on sale on 18 September. If iOS 27 is officially released at around 2:00 a.m. on Tuesday, 15 September, the final version is expected to become available 3 days before the launch date.
Apple may announce a smart-home hub, including homeOS 27, at this event. Reports indicate that it will feature a nearly square display measuring around 7 inches.
According to current beta information, beta 7 has been released for developers, and the next release is expected to be beta 8. An RC (release candidate) is also expected to be provided before the official release.