Xcode includes everything developers need to create great applications for Mac, iPhone, iPad, and Apple Watch. Xcode provides developers a unified workflow for user interface design, coding, testing, and debugging. The Xcode IDE combined with the Cocoa frameworks and Swift programming language make developing apps easier and more fun than ever.
Free suite of software development tools developed by Apple
What's new in this version:
Xcode 11.2
- Xcode 11.2 includes Swift 5.1 and SDKs for iOS 13.2, iPadOS 13.2, tvOS 13.2, watchOS 6.1, and macOS Catalina 10.15.1
Xcode 11.1
- Xcode 11.1 includes Swift 5.1 and SDKs for iOS 13.1, iPadOS 13.1, tvOS 13, watchOS 6, and macOS Catalina 10.15
SwiftUI:
- 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
Xcode 11.0
- Xcode 11 includes Swift 5.1 and SDKs for iOS 13, tvOS 13, watchOS 6, and macOS Catalina 10.15
SwiftUI:
- 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
- NOTE: SwiftUI requires iOS 13, watchOS 6, tvOS 13, or macOS Catalina. To use the SwiftUI design canvas Xcode 11 must be running on macOS Catalina, coming this Fall
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
Xcode 10.3
- Xcode 10.3 includes SDKs for iOS 12.4, tvOS 12.4, watchOS 5.3, and macOS Mojave 10.14.6
Xcode 10.2.1
- Xcode 10.2.1 fixes a build time issue in large Swift projects, and includes additional bug fixes
Swift 5:
- Swift 5 runtime is included as part of the OS in the latest Apple platform releases
- App Store thins the Swift runtime from your apps for faster downloads to devices running latest OS
- SIMD vector types are built into the standard library
- String literals have an enhanced syntax that makes them easier to read and write
- New Result enum type makes it easier to handle errors across asynchronous operations
Other enhancements in Xcode:
- Debugger console has a new frame variable command alias “v” that is faster than “p” or “po”
- Playgrounds include various stability improvements and additional memory safety checks
Xcode 10.2
- Xcode 10.2 includes Swift 5 and SDKs for iOS 12.2, tvOS 12.2, watchOS 5.2, and macOS Mojave 10.14.4
Swift 5:
- Swift 5 runtime is included as part of the OS in the latest Apple platform releases
- App Store thins the Swift runtime from your apps for faster downloads to devices running latest OS
- SIMD vector types are built into the standard library
- String literals have an enhanced syntax that makes them easier to read and write
- New Result enum type makes it easier to handle errors across asynchronous operations
Other enhancements in Xcode:
- Debugger console has a new frame variable command alias “v” that is faster than “p” or “po”
- Playgrounds include various stability improvements and additional memory safety checks
- Additional bug fixes
Xcode 10.1
- Xcode 10.1 includes Swift 4.2.1 and SDKs for iOS 12.1, watchOS 5.1, tvOS 12.1, and macOS Mojave
Dark mode in macOS Mojave:
- All-new dark appearance throughout Xcode and Instruments
- Asset catalogs add dark and light variants to customize colors and image assets
- Interface Builder easily switches between dark and light variants of the app's interface
- Debugger switches Mac apps between dark and light variants without changing OS settings
Source control:
- Code that differs from the repository server is highlighted directly within the editor, including:
- Local changes not yet pushed to the shared repository
- Upstream changes others have made
- Conflicts to address before committing
- Account integration with self-hosted and cloud servers from Atlassian Bitbucket, GitLab, and GitHub
- Account logins generate SSH keys on-demand and upload to the service provider
- Rebase is an option when pulling the latest version of code
Editor enhancements:
- Multiple cursors in the editor enable many changes at once
- Code folding ribbon can hide any code block surrounded by braces
- Over-scroll makes it easy to display the last lines of code in the center of the screen
Playgrounds and machine learning:
- Completely redesigned REPL-like playgrounds are much faster and more stable
- Run code at any time by hitting SHIFT-RETURN or click the inline Run button to execute to a specific line
- Interactively train and exercise new Create ML models directly within a playground
Test and debug:
- Debug symbols download from a device 5x faster than before
- Tests run in parallel across many Simulators to take full advantage of all CPU cores
- Custom instruments provide unique data visualization for any code
- Memory debugger layout is redesigned to make it easier to navigate and visualize the whole app
- Metal shader debugger inspects the execution of vertex, fragment, compute, and tile shader code
- Metal dependency viewer shows a detailed graph of how resources are used
Build Performance:
- New build system improves performance and is enabled by default for all projects
- Swift compiles each individual file significantly faster, and greatly improves incremental builds
Xcode 10.0
- Xcode 10 includes Swift 4.2 and SDKs for iOS 12, watchOS 5, tvOS 12, and macOS Mojave
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