Xcode 4.3.1 and 4.3.2adds support for the updated iOS SDK 5.1. Xcode 4.3.3provides an update to the included OS X SDK. Xcode 4.4adds features to support OS X v10.8 and iOS 5.1 as well as other enhancements to the toolset.
What is the difference between Xcode 1 and 2?
Xcode 1.0 was based on Project Builder, but had an updated user interface (UI), ZeroLink, Fix & Continue, distributed build support, and Code Sense indexing. The next significant release, Xcode 1.5, had better code completion and an improved debugger. Xcode 2.0 was released with Mac OS X v10.4 “Tiger”.
What is the main application of the Xcode suite?
The main application of the suite is the integrated development environment (IDE), also named Xcode. The Xcode suite includes most of Apple’s developer documentation, and built-in Interface Builder, an application used to construct graphical user interfaces .
What is a universal binary file in Xcode?
Xcode can build fat binary files containing code for multiple architectures with the Mach-O executable format. These are called universal binary files, which allow software to run on both PowerPC and Intel-based (x86) platforms and that can include both 32-bit and 64-bit code for both architectures.
How to generate preprocessed output from source files in Xcode?
Xcode 4.1 introduces commands in the Product > Generate Output menu to process source files and generate the preprocessed output or assembly output.
How do I restore a project from a snapshot in Xcode?
In Xcode 4.1, when you choose Restore Snapshot from the File menu and select the snapshot to restore, Xcode displays a preview dialog in which you can review the differences between the current version of the project and the snapshot version. When you click Restore, Xcode replaces the current version of the project with the version in the snapshot.