Update your apps to use new features, and test your apps against API changes.
Xcode 12.0.1 includes SDKs for iOS 14, iPadOS 14, tvOS 14, watchOS 7, and macOS Catalina 10.15.6. The Xcode 12.0.1 release supports on-device debugging for iOS 9 and later, tvOS 9 and later, and watchOS 2 and later. Xcode 12.0.1 requires an Intel-based Mac running macOS Catalina 10.15.4 or later.
- Opening the Developer Documentation window no longer causes Xcode to crash. (66690089)