14. The Build System
Xcode 4 offers an overhauled user interface for its build system that de-emphasizes switching between separate build configurations for Debug and Release and focuses more on what developers spend most of their time doing within the IDE: coding and debugging.
Developers are meant to handle release builds with the Archive action. The Archive action in version 4.0 is heavily biased toward the preparation of a release build for sale in Apple’s App Store. Fortunately, the new build system UI is flexible enough to offer the full functionality with which veterans are familiar. There is nothing preventing you from creating a build scheme that generates a release build and bypasses the Archive action entirely.
Let’s take ...