: The Apple Developer website is the best source for up-to-date technical documentation on iOS and OS X.The last OS that supported Xcode 3.x was Snow Leopard, and Xcode 4.3 is only supported on Lion.Īpple offers a number of resources where you can get Xcode development support: There is no version of the OS that supports both Xcode 4.0.x and 4.3.x. There is no OS that supports both Xcode 3.x and Xcode 4.3.x. This means you need a Lion system to build an ARC application that runs on Snow Leopard. Xcode 4.2 for Snow Leopard does support ARC for iOS though, and Xcode 4.2 for Lion supports both Mac OS X and iOS. The Snow Leopard version of Xcode 4.2 doesn’t support ARC at all on Mac OS X, because it doesn’t include the 10.7 SDK.

Xcode tools & add-on's: (Graphics Tools, Hardware I/O, Command Line Tools, Dashcode, etc.) Requires paid account and login.Ĭan I develop applications for Mac OS X with ARC using Snow Leopard? Some older versions are available to registered developers with an active paid Developer Account via *. Xcode latest release version is available via the (Mac) App Store on OS X. Retina support for the new iPad requires the app be built using the at least iOS 5.1 SDK. The latest Xcode for Snow Leopard is 4.2* and that appears to be the highest it will go. The minimum supported deployment target with Xcode 4.5 or later is iOS 4.3. Xcode 4.5 (and later) does not support generating armv6 binaries. Available in the Mac App Store - also to devs in a paid program with up-to-date agreements via downloads at dev dot com* (1.56GB).

supports development for iOS 6, OS X 10.8, and OS X 10.7 and can be used to build and submit apps to the store. requires OS X 10.8.x or OS X 10.7.4 and does not run on earlier versions of OS X. IPhone 5 support (4-inch launch image & armv7s) requires Xcode 4.5 Includes the ability for Delta updates from the store

Xcode 4.5 is the latest general release for Mountain Lion :

Xcode old version download