Xcode 6.3.1 is Apple's integrated development environment (IDE). This tag should only be used for questions about Xcode itself, and not for general Mac or iOS programming topics. Use [cocoa] for Mac programming questions, and [cocoa-touch] or [ios] for iOS programming questions.
Xcode is Apple's integrated development environment (IDE) for developing OS X and iOS apps. The version 6.3.1 was unveiled on April 21, 2015.
Xcode 6.3.1 is a maintenance update over version 6 with bug fixes and performance improvements. For a detailed list, see the release note.
This tag is for IDE only questions with the version 6.3.1. Questions related to the programming languages should go to the correct tag c, objective-c, c++ and swift. When they are only related to the os ios and osx.