14 Facts About Xcode

Xcode is Apple's integrated development environment for macOS, used to develop software for macOS, iOS, iPadOS, watchOS, and tvOS.

Xcode includes command-line tools which enable UNIX-style development via the Terminal app in macOS.

Xcode can build fat binary files containing code for multiple architectures with the Mach-O executable format.

Xcode includes the GUI tool Instruments, which runs atop a dynamic tracing framework, DTrace, created by Sun Microsystems and released as part of OpenSolaris.

The Xcode suite includes most of Apple's developer documentation, and built-in Interface Builder, an application used to construct graphical user interfaces.

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Formerly, Xcode supported distributing a product build process over multiple systems.

Xcode includes Apple's WebObjects tools and frameworks for building Java web applications and web services .

In June 2010, at the Apple Worldwide Developers Conference version 4 of Xcode was announced during the Developer Tools State of the Union address.

Version 4 of the developer tools consolidates the Xcode editing tools and Interface Builder into one application, among other enhancements.

Xcode added support for iOS 6 and the 4-inch Retina Display on iPhone 5 and iPod Touch 5th generation.

Xcode 6 included features like Playgrounds and live debugging tools.

Xcode 10 introduced support for the Dark Mode announced for macOS Mojave, the collaboration platforms Bitbucket and GitLab, training machine learning models from playgrounds, and the new features in Swift 4.

Xcode 10 dropped support for building 32-bit macOS apps and no longer supports Subversion integration.

Xcode 11 introduced support for the new features in Swift 5.