Xcode

Xcode 11 includes Swift 5.1 and SDKs for iOS 13, tvOS 13, watchOS 6, and macOS Catalina 10.15

• SwiftUI framework and design tools work together to enable a new way to build user intefaces
• Declarative syntax defines your user interface using easy-to-read Swift code
• Design tools make it as easy as drag-and-drop to construct and edit your views
• Code you write is always in sync with the design and preview canvas
• Library of controls and modifiers make it easy to build complex interfaces
• Animations are built using simple commands that describe the action you want to see
• Preview your real app running on multiple device types, orientations, and font sizes
• Share common code across all Apple platforms, and add custom experiences for each OS Mac Catalyst brings iPad apps to the Mac
• Click a single checkbox in your iPad project to add a native Mac app
• One project and set of source code creates iPhone, iPad, and Mac versions of your app
• Customize elements of your app for an experience unique to Mac
• Add new SwiftUI code to your project along side existing UIKit code
• Submit to the Mac App Store or notarize for outside distribution Swift and Swift Packages
• Swift packages are supported throughout, including build, debug, and SCM workflows
• Use Swift packages from GitHub, Bitbucket, GitLab, or your own hosts
• Download packages automatically based on dependency analysis
• Create your own packages to share code among all your apps, or to publish for the community iOS dark mode
• Switch between light and dark mode instantly while developing and debugging
• Asset catalog makes it easy to control images and colors for dark and light mode Editor
• Editor minimap gives a bird’s eye view of your code so you can quickly jump to any line
• Each editor view has its own preview, assistant, or other complementary views
• Split any editor pane to layout your workspace exactly as you want Other improvements
• Build stand-alone watchOS apps with a faster debugging experience
• Simulator launches quickly and uses the GPU to accelerate Metal code
• Test plans give you greater control of your test harness with sharable results bundles
• Automatically generate localized screenshots using UI tests as part of your test plan
• Source control adds support for stash and cherry-pick operations
• Simulate device conditions such as a slow network or thermal warnings while debugging
• Metrics tab in the Organizer shows how efficiently your app runs on customer devices