Xcode 27.2 RC lets you shake, drop and starve a simulator of memory from Device Hub, but your Mac needs macOS Tahoe 26.6 first.
Xcode
App Store uploads must now target iOS 13 or later, and iOS 15 from April 2027
Apple’s new floor for App Store uploads is iOS 13, and it rises to iOS 15 in April 2027. Here is what that means for older iPhones and iPads.
Xcode 27.1 is out with Swift 6.4, but the iPhone Duo simulator has limits
The final Xcode 27.1 is here with Swift 6.4, and App Store Connect now takes apps built with it. Mac Catalyst and iPhone Duo testing have catches.
Xcode 27 deprecates Multipeer Connectivity in favor of Network framework
Apple’s framework for connecting nearby iPhones, iPads and Macs is now deprecated, and developers are told to move to Network framework.
Apple's developer documentation is now available in eight more languages
Apple’s full developer docs now read in Japanese, Korean, German, French and four more languages, with a performance event set for October 29.
Bitrig brings iPhone Duo app building to a foldable 3D simulator
Bitrig now builds iPhone Duo apps and tests them in an interactive 3D folding simulator with hinge-aware layouts and multiple device poses before launch.
Apple confirms iPhone Duo runs iOS 27.1 when it arrives October 23
Apple has confirmed that iOS 27.1 exists and said what it is for. In a developer post dated September 16, Apple wrote that iPhone Duo will run iOS 27.1 when it becomes available on October 23, and that a beta of Xcode 27.1, with a simulator for the foldable, arrives later this month. iPhone Duo's…
iPhone Duo: Four Questions Its Own Developer Site Still Cannot Answer
Apple has told app developers a great deal about building for iPhone Duo since the September 9 keynote. It has not answered four practical questions that decide whether an ordinary app works well on it, and five weeks before the October 23 launch, none of the four has a stated answer on Apple’s own developer…
iPhone Duo's New Code: Six APIs Developers Have Not Used Before
Apple’s iPhone Duo Tech Talk videos describe at least six pieces of code that do not exist on any other iPhone: a layout container built for a fold, a way to reserve space around the hinge and a camera, a hinge-angle sensor, a way to open a second window, a way to add controls to…
iPhone Duo Group Labs Start September 16: Where Apple's Developer Tools Actually Stand
Apple’s iPhone Duo Group Labs for developers begin Wednesday, September 16, at 8 p.m. Pacific, with a second session the following morning. Five weeks before the phone reaches customers, the Xcode 27.1 beta that developers need to actually run an app on a simulated iPhone Duo has still not shipped. Apple's developer hub for iPhone…
Apple Sets an April 2027 SDK Deadline for iOS, iPadOS, tvOS, visionOS and watchOS
Starting in April 2027, Apple will require every iOS, iPadOS, tvOS, visionOS and watchOS app or game submitted to App Store Connect to be built with that platform’s 27-generation software development kit or later. Apple published the requirement inside a September 9, 2026 developer news post that also declared the six new operating systems ready…
iPhone Duo Split View Needs Apps That Adapt: Apple Has Six Sessions, Four Dates and No SDK Yet
Split View on the iPhone Duo runs two apps side by side on the 7.6-inch inner display, and the apps have to be built to resize for it. Apple published six developer sessions and four dated events for that work on September 9, and listed the Xcode 27.1 beta needed to build for the phone…