Apple is set to unveil iOS 27 during its WWDC 2026 keynote today, and the first developer beta should be available just minutes after the keynote ends. As was the case with iOS 26, it is likely that anyone with an Apple Developer account will be able to install the iOS 27 developer beta for free,

Apple has just announced iOS 27 for iPhone and iPadOS 27 for iPad, with many updates aimed mostly at performance enhancements, and some tweaks to the Liquid Glass interface and app designs, and some of the newest features are concentrated in Siri and Apple Intelligence.

If you want to develop software for macOS, iOS, tvOS, watchOS or visionOS, read this overview of Apple’s Developer Program. Members of the Apple Developer Program have access to resources for developing and distributing software for Apple platforms.

Update: Apple has officially announced iOS 27, with key new features including a Siri app, a slider to adjust the appearance of Liquid Glass, and more. Read the full list of announcements for iOS 27 and WWDC.

If you were never a fan of Liquid Glass, you can expect an update to that as well. A new slider will be available through iOS 27, allowing you to adjust the glassiness of elements to enhance readability. The new update will also make app launches and AirDrop transfers faster.

Apple devoted its June 8 WWDC 2026 keynote almost entirely to Siri AI and Apple Intelligence, but the iOS 27 developer beta released the same day carries dozens of features the company never mentioned on stage.

Apple took the wraps off iOS 27 at its WWDC event, and the iPhone update is chock-full of smart upgrades, with a big focus on improvements to Siri.

Apple is improving the iOS interface for iPhone users with iOS 27, which is really injecting Apple Intelligence into every facet of the OS, including Siri.