WWDC19

• iOS, iPadOS, macOS, tvOS, watchOS

Learn how your app can support per-app language settings in iOS 13. Get the details on localizing assets with asset catalogs and simplifying your localization workflow with Xcode 11. Understand how to generate screenshots in multiple languages for localization and testing.

• iOS, iPadOS

CarPlay is a smarter, safer way to use your iPhone in the car. Learn how to update your vehicle system to take advantage of new features in iOS 13. Add support for dynamically changing screen sizes, second screens such as instrument clusters, and even irregularly shaped displays. Learn how to...

• iOS, iPadOS, macOS

Speech Recognizer can now be used locally on iOS or macOS devices with no network connection. Learn how you can bring text-to-speech support to your app while maintaining privacy and eliminating the limitations of server-based processing. Speech recognition API has also been enhanced to provide...

• iOS, iPadOS, watchOS

Shortcuts allow people to access information and actions on the go or in the Shortcuts app. The best shortcuts take careful design planning to hone in on what can help expedite a person's workflow with your app. Gain insights as to what makes a great shortcut and how to design the experience to...

• iOS, iPadOS

Siri is the intelligence behind displaying what someone needs to know about at just the right moment. In iOS 13, we're extending this capability to allow your apps to let Siri know when a reservation has been made and Siri can elevate checking in at the right time. Siri can also provide...

• iOS, iPadOS, watchOS

Parameters take Siri Shortcuts to the next level, enabling an interactive voice experience in Siri with follow-up questions, and allowing people to customize shortcuts in the Shortcuts app, now built into iOS. Walk through setting up your shortcuts to take advantage of parameters and learn how...

• iOS, iPadOS, watchOS

iOS 13 enhances SiriKit by bringing all new support for audio content playback. See how to provide an excellent, hands-free experience for playing your music, audiobooks, podcasts, radio, and more. Dive into best practices for handling search terms, discover how to provide a complete experience...

• tvOS

tvOS apps can deliver amazing experiences with stunning picture quality through 4K resolution, Dolby Vision and HDR10, and immersive sound through Dolby Atmos. Discover how to design beautiful, engaging, content-first experiences for your media applications. Learn about the new Top Shelf...

• iOS, iPadOS, macOS, tvOS, watchOS

Whether you want to share your app with a few colleagues, deliver it to employees within an organization, or release it to the world, there's a distribution mechanism designed to fit your needs. Familiarize yourself with each app deployment model, learn how to choose the one that's best for you,...

• iOS, iPadOS, macOS, tvOS, watchOS

Learn about the latest updates in StoreKit and dive deep into best practices for using server-to-server notifications to manage your subscribers.

• iOS, iPadOS, macOS, tvOS

Dive into implementation best practices for Subscription Offers using StoreKit and server-side logic. Learn how to generate signatures, determine customer eligibility, and reduce churn, plus gain insights into strategies for distributing offers to your customers and utilizing Subscription Offers...

• iOS, iPadOS, macOS, tvOS, watchOS

Learn about the latest management enhancements for iOS, macOS, and tvOS and the evolution of management tools over the past year. You'll discover how new MDM features help administrators manage devices more effectively, how new technologies deliver support for centrally managed authorization, and...

• iOS, iPadOS, macOS

Audio Unit app extensions gives users a convenient way to create or modify audio in any iOS or macOS app that uses sound, including music production apps such as GarageBand or Logic Pro X. And now, with iOS 13, you can store user presets for your extensions that are accessible across applications.

• iOS, iPadOS, macOS, tvOS

AVKit is a high-level framework for building media user interfaces, complete with playback controls, chapter navigation, Picture-in-Picture, audio routing, support for subtitles and closed captioning, Siri and Now Playing integration, and support for keyboard, Touch Bar, and remote control. Learn...

• iOS, iPadOS

Core Haptics lets you design your own haptics with synchronized audio on iPhone. In this two part session, learn essential sound and haptic design principles and concepts for creating meaningful and delightful experiences that engage a wider range of human senses. Discover how to combine visuals,...

• iOS, iPadOS, macOS, tvOS

With the addition of alpha channel support for HEVC video, you can now composite video over custom backgrounds in both your apps and on the web. Learn how to author compatible media, and the best practices for playback.

• iOS, iPadOS, macOS, tvOS, watchOS

AirPlay 2 Video lets you share video from Apple devices to popular smart TVs. Learn about the special considerations for seamless delivery of high quality video to these TVs, and how to utilize the validation tools to ensure your content is ready for primetime.

• iOS, iPadOS, macOS, tvOS, watchOS

Since its introduction in 2009, HTTP Live Streaming (HLS) has enabled the delivery of countless live and on‐demand audio and video streams globally. With the introduction of a new Low-Latency mode, latencies of less than two seconds are now achievable over public networks at scale, while still...

• iOS, iPadOS, macOS, tvOS, watchOS

Apple platforms provide a comprehensive set of audio frameworks and technologies that are essential to creating a rich app experience. Learn about which frameworks and APIs are recommended to ensure that your app is well positioned for the future.

• iOS, iPadOS, macOS, tvOS

AirPlay lets you share videos, photos, music, and more from Apple devices to your Apple TV, favorite speakers, and popular smart TVs. Learn how to deliver the best possible experience for AirPlay video, including automatic route selection for long form content, remote control, now playing...

• iOS, iPadOS, macOS, tvOS

AVAudioEngine enables the realtime capture, processing, and playback of audio. Learn how to take advantage of enhancements to this powerful API, such as support for voice processing and spatial rendering mode selection, in your own audio app.

• iOS, iPadOS, macOS, tvOS, watchOS

The Indoor Maps Program enables organizations with large public or private spaces to deliver user experiences that provide precise indoor location information and present stunning indoor maps. Discover the overall process in the indoor map enablement workflow then take deep dive into the...

• iOS, iPadOS, macOS, tvOS, watchOS

The Indoor Maps Program enables organizations with large public or private spaces to deliver user experiences that leverage precise location information and present stunning indoor maps. Learn the entire enablement workflow including, creation of a standards-based map definition, map validation,...

• iOS, iPadOS

The ClassKit framework helps you surface your app's valuable educational content for inclusion in a teacher's classroom curriculum. Get an overview of the ClassKit integration workflow, debugging instructor and student roles with the Schoolwork app, and new features designed to make publishing to...

• iOS, iPadOS, macOS, tvOS, watchOS

MapKit and MapKit JS bring fully featured Apple Maps to your app and website. See how the latest features give you more control over the base map presentation, finer-grained search and result filtering of points of interest and address information, and integration with standard data formats for...

• iOS, iPadOS, macOS, tvOS, watchOS

Join us for an unforgettable award ceremony celebrating developers and their outstanding work. The 2019 Apple Design Awards recognize state of the art iOS, macOS, watchOS, and tvOS apps that reflect excellence in design and innovation.

• iOS, iPadOS, watchOS

Shortcuts enable people to quickly and easily accomplish actions or get things done hands-free using Siri and the Shortcuts app. Join us for a tour of where shortcuts can appear, how you can customize the experience, and how your app's shortcuts can be used with variables and actions from other...

• iOS, iPadOS

Learn essential sound and haptic design principles and concepts for creating meaningful and delightful experiences that engage a wider range of human senses. Discover how to combine audio and haptics, using the Taptic Engine, to add a new level of realism and improve feedback in your app or game.

• iOS, iPadOS, macOS

Discover how you can create a great Mac experience with your iPad app. Learn about essential techniques for adapting your iPad app's layout and architecture for Mac, considerations for type and color, and how you can take advantage of macOS interfaces such as the menu bar, sidebar and window...

• iOS, iPadOS, macOS, tvOS, watchOS

Successful app development requires mastering a lot of different things. Discover practices you can incorporate into your development workflow to enhance your productivity, and improve your app's performance and stability. Learn how to improve the quality of code you write with Xcode. Gain a...

• iOS, iPadOS

Core Haptics lets you design fully customized haptic patterns with synchronized audio. See examples of how haptics and audio enables you to create a greater sense of immersion in your app or game. Learn how to create, play back, and share content, and where Core Haptics fits in with other audio...

• iOS, iPadOS, tvOS, watchOS

SF Symbols introduces a comprehensive library of vector-based symbols that you can incorporate into your app to simplify the layout of user interface elements through automatic alignment with surrounding text, and support for multiple weights and sizes. Learn how easy it is to adapt to different...

• iOS, iPadOS, macOS

Learn about the importance of supporting Large Text. Hear about Differentiate Without Color, a new API on iOS which can enable people with vision disorders such as color-blindness to easily use your app. Learn how to use it and how it can bring inclusivity to your app. Find out how to enable new...

• iOS, iPadOS

Discover how to update your app's interface for Dark Mode to create beautiful and accessible apps. And learn how refinements to modal sheets and the new contextual menu UI can help improve usability and lead to more powerful and efficient workflows.

• iOS, iPadOS, macOS

The Accessibility Inspector enables you to identify parts of your app that are not accessible. It provides feedback on how you can make them accessible, as well as simulating voice-over to help you identify what a Voice Over user would experience. Watch a live-demo of an app being fully debugged...

• iOS, iPadOS, macOS, tvOS, watchOS

Swift packages are a great way to organize and share code, and are now supported while building apps for all Apple platforms in Xcode 11. Find out how to use community-developed packages in your project, how Swift packages are structured, and how package versioning and dependencies work.

• iOS, iPadOS, macOS, tvOS, watchOS

Background execution is a powerful tool your app can leverage to provide a great user experience. Learn about best practices to follow when running in the background, especially if you use VoIP or silent pushes, and an all-new scheduling API that enables long running processing and maintenance...

• macOS

Notarization is all about identifying and blocking malicious Mac software prior to distribution, without requiring App Review or the Mac App Store. Introduced last year and already widely adopted by Mac app developers, this is your opportunity to take an in depth tour of Notarization workflows...

• iOS, iPadOS, macOS, tvOS, watchOS

Xcode 11 now fully supports using and creating binary frameworks in Swift. Find out how to simultaneously support devices and Simulator with the new XCFramework bundle type, how Swift module interfaces work, and how to manage changes to your framework over time.

• iOS, iPadOS, macOS, tvOS, watchOS

Core ML 3 now enables support for advanced model types that were never before available in on-device machine learning. Learn how model personalization brings amazing personalization opportunities to your app. Gain a deeper understanding of strategies for linking models and improvements to Core ML...

• iOS, iPadOS, tvOS

Optimizing performance, memory, and bandwidth are important considerations for resource-intensive Metal apps and games. Learn key best practices to streamline your rendering and attain high frame rates. Understand powerful tools that can help you pinpoint expensive or unexpected GPU work. Dive...

• iOS, iPadOS

World-class apps deliver a great user experience, even in the most strenuous environments. Learn how to use Xcode to simulate adverse network and temperature conditions. Put your app through its paces and get a firsthand view of how it performs. Hear about best practices that you can adopt to...

• iOS, iPadOS, macOS, tvOS, watchOS

Learn how to add useful tracing to your reusable classes, subsystems, or frameworks. By making it easy to trace your code, you provide adopters with valuable insight and confidence. We'll show you best practices for tracing your Swift and Objective-C code, building custom instruments, and...

• iOS, iPadOS, macOS, tvOS, watchOS

The Instruments app in Xcode provides a rich set of tools and templates for profiling your app performance. Learn all about Instruments and gain strategies for identifying bottlenecks in your code. See just how to leverage the power of time profiling and points of interest tracking to make...

• iOS, iPadOS, macOS, tvOS, watchOS

Xcode is the development environment for creating great apps for Apple platforms. Find out how to take advantage of Xcode features to go all the way from a new project to App Store distribution. Along the way, you'll learn how to navigate the Xcode user interface, how to take advantage of the...

• iOS, iPadOS, macOS, tvOS, watchOS

Learn about new ways to find and fix performance issues during daily development, beta testing, and public release on the App Store. Learn how to catch performance issues during daily development by measuring CPU, memory, and more in your XCTests. Discover how to find issues in the field during...

• iOS, iPadOS, macOS, tvOS, watchOS

Bringing the power of Core ML to your app begins with one challenge. How do you create your model? The new Create ML app provides an intuitive workflow for model creation. See how to train, evaluate, test, and preview your models quickly in this easy-to-use tool. Get started with one of the many...

• iOS, iPadOS, macOS, tvOS, watchOS

LLDB is a powerful tool for exploring and debugging your app at runtime. Discover the various ways to display values in your app, how to format custom data types, and how to extend LLDB using your own Python 3 scripts.

• iOS, iPadOS, macOS, tvOS, watchOS

Xcode 11 displays previews of your user interface right in the editor, streamlining the edit-debug-run cycle into a seamless workflow. Learn how previews work, how to optimize the structure of your SwiftUI app for previews, and how to add preview support to your existing views and view controllers.

• iOS, iPadOS, macOS, tvOS, watchOS

Custom instruments make it possible to profile your app your way, telling the story of what your app is doing at runtime. At the center of each custom instrument is a modeler. Find out how to build your own modelers that translate from signpost output to the data you want to show in your...

• iOS, iPadOS, macOS, tvOS, watchOS

Every programming language has a set of conventions that people come to expect. Learn about the patterns that are common to Swift API design, with examples from new APIs like SwiftUI, Combine, and RealityKit. Whether you're developing an app as part of a team, or you're publishing a library for...

• iOS, iPadOS, tvOS

Slow app launches are frustrating. Learn about the new app launch instrument and discover how to make your app launch fast. Gain insights into what happens during app launch and how to minimize, prioritize, and optimize work at this critical time. Hear tips and tricks from the engineers making...

• iOS, iPadOS, macOS, tvOS, watchOS

How you store data in your app affects not only disk footprint, but also the performance of your app and the battery life of the device. Learn techniques for optimizing data serialization, working with images, and syncing to disk. Find out how to take advantage of features in SQLite to improve...

• iOS, iPadOS, macOS, tvOS, watchOS

Unit testing is an essential tool to consistently verify your code works correctly. Learn about the built-in testing features in Xcode, using XCTest. Find out how to organize your tests and run them under different configurations using test plans, new in Xcode 11. Discover how to automate testing...

• iOS, iPadOS, macOS, tvOS, watchOS

App Store Connect continues to improve its role in each step of your app's lifecycle with new features that make your app submission, management, and distribution experience better than ever. Learn about the latest enhancements and discover new ways to ensure each release of your app is better...

• iOS, iPadOS, macOS, tvOS, watchOS

Keep up with the latest enhancements to C, Objective-C, and C++ made possible by advancements in the Clang compiler and LLVM. Find out about new static analyzer features and how to use them to improve your code. Learn how to take advantage of new optimizations for code size.

• iOS, iPadOS, macOS, tvOS, watchOS

Core ML 3 has been greatly expanded to enable even more amazing, on-device machine learning capabilities in your app. Learn about the new Create ML app which makes it easy to build Core ML models for many tasks. Get an overview of model personalization; exciting updates in Vision, Natural...

• iOS, iPadOS, macOS, tvOS, watchOS

Start the week with a tour of new features in Xcode 11, designed to help you get from idea to product faster than ever. Discover new ways to edit and organize your source code, new capabilities for designing and previewing user interfaces, and great improvements for debugging and testing. Get an...

• iOS, iPadOS, macOS, tvOS, watchOS

WWDC 2019 Keynote

• iOS, iPadOS, macOS, tvOS, watchOS

WWDC 2019 Platforms State of the Union

• iOS, iPadOS

AR Quick Look is a built-in viewer for experiencing high-quality content in 3D and AR. See how integration with Reality Composer enables rich, interactive experiences to be displayed and shared more easily than ever before. Explore rendering improvements and multiple object viewing, then dive...

• iOS, iPadOS, macOS, tvOS

Metal is the modern foundation for GPU-accelerated graphics and compute on Apple platforms, superseding OpenGL, OpenGL ES, and OpenCL. Get introduced to the architecture and feature set of Metal and learn a step-by-step approach for transitioning OpenGL-based apps to the Metal API.

• iOS, iPadOS

ARKit 3 enables a revolutionary capability for robust integration of real people into AR scenes. Learn how apps can use live motion capture to animate virtual characters or be applied to 2D and 3D simulation. See how People Occlusion enables even more immersive AR experiences by enabling virtual...

• iOS, iPadOS, macOS

Reality Composer is a tool that lets anyone quickly prototype and build AR scenes ready to integrate into apps or experience with AR Quick Look. Walk through the powerful and intuitive capabilities of Reality Composer and discover hundreds of ready-to-use virtual objects in its built-in AR...

• iOS, iPadOS, macOS

Gain a practical understanding of RealityKit capabilities by developing a game using its easy-to-learn API. Learn the recommended approach for loading assets, building a scene, applying animations, and handling game input. See how entities and components express the powerful elements of...

• iOS, iPadOS

With iOS 13, ARKit and RealityKit enable apps to establish shared AR experiences faster and easier than ever. Understand how collaborative sessions allow multiple devices to build a combined world map and share AR anchors and updates in real-time. Learn how to incorporate collaborative sessions...

• iOS, iPadOS, macOS, tvOS, watchOS

Xcode 11 introduces new features for finding and fixing bugs fast. Discover how to simulate network conditions and thermal states, and how to override your app's runtime environment while debugging. See how the debugging features work with Xcode previews to identify issues before Build & Run...

• iOS, iPadOS, macOS, tvOS, watchOS

Through stories, interviews, and artifacts we will uncover valuable design processes, techniques, and best practices of Apple Design Award winning apps and games.

• iOS, iPadOS, macOS, tvOS, watchOS

Game Center now supports persistent player identifiers scoped to individual games or to a developer team ID. Understand how scoped identifiers enhance player privacy and see how to transition your apps and games onto the recommended API.

• iOS, iPadOS, tvOS, watchOS

Join us for a deep dive into the world of Simulator. Find out how Simulator works, discover features you might not know exist, and get a tour of the command-line interface to Simulator for automation. Learn about native GPU acceleration in Simulator via Metal, and how to optimize your Metal code...

• iOS, iPadOS

ARKit is the groundbreaking augmented reality (AR) platform for iOS that can transform how people connect with the world around them. Explore the state-of-the-art capabilities of ARKit 3 and discover the innovative foundation it provides for RealityKit. Learn how ARKit makes AR even more...

• iOS, iPadOS, macOS

Architected for AR, RealityKit provides developers access to world-class capabilities for rendering, animation, physics, and spatial audio. See how RealityKit reimagines the traditional 3D engine to make AR development faster and easier for developers than ever before. Understand the building...

• iOS, iPadOS, macOS

Metal Performance Shaders (MPS) includes a highly tuned library of data parallel primitives vital to machine learning and leveraging the tremendous power of the GPU. With iOS 13 and macOS Catalina, MPS improves performance, enables more neural networks, and is now even easier to use. Learn more...

• iOS, iPadOS, macOS

Metal is the platform-optimized graphics and compute framework at the heart of GPU acceleration on Apple platforms. Learn key aspects of the Metal architecture that support the techniques for modern high-performance pro applications and workflows. Learn how to leverage Metal capabilities to...

• iOS, iPadOS, macOS, tvOS

Metal is the GPU-accelerated graphics and compute framework that helps developers build everything from pro apps to console-style games. Learn how to apply Metal features to implement modern graphics techniques including deferred and tiled-forward rendering. See how GPU-driven capabilities enable...

• macOS

Metal Performance Shaders (MPS) harness the massive parallelism of the GPU to dramatically accelerate calculations at the heart of modern ray tracing and ray casting techniques. Understand how MPS accelerates calculations for dynamic scenes, and dive into practical examples for implementing soft...

• iOS, iPadOS, watchOS

Discover how HealthKit is enriching and expanding the health data types available to the users of your app. Learn about modern storage for high-frequency health data types, accessing beat-to-beat heart rate data, and how to bring an entire new dimension of health to your users with new support...

• iOS, iPadOS, macOS, tvOS, watchOS

Natural Language is a framework designed to provide high-performance, on-device APIs for natural language processing tasks across all Apple platforms. Learn about the addition of Sentiment Analysis and Text Catalog support in the framework. Gain a deeper understanding of transfer learning for...

• iOS, iPadOS, macOS, watchOS

Your iPhone and Apple Watch are loaded with a number of powerful sensors including an accelerometer and gyroscope. Activity Classifiers can be trained on data from these sensors to bring some magic to your app, such as knowing when someone is running or swinging a bat. Learn how the Create ML app...

• iOS, iPadOS

Machine learning enables new experiences that understand what we say, suggest things that we may love, and allow us to express ourselves in new, rich ways. Machine learning can make existing experiences better by automating mundane tasks and improving the accuracy and speed of interactions. Learn...

• iOS, iPadOS, macOS

Document Camera and Text Recognition features in Vision Framework enable you to extract text data from images. Learn how to leverage this built-in machine learning technology in your app. Gain a deeper understanding of the differences between fast versus accurate processing as well as...

• iOS, iPadOS, macOS

Custom Core ML models for Object Detection offer you an opportunity to add some real magic to your app. Learn how the Create ML app in Xcode makes it easy to train and evaluate these models. See how you can test the model performance directly within the app by taking advantage of Continuity...

• iOS, iPadOS, macOS, tvOS

Recommendation models for Core ML can enable a very personal experience for the customers using your app. They power suggestions for what music to play or what movie to see in the apps you use every day. Learn how you can easily create a custom Recommendation model from all sorts of data sources...

• iOS, iPadOS, macOS

Learn how to quickly and easily create Core ML models capable of classifying the sounds heard in audio files and live audio streams. In addition to providing you the ability to train and evaluate these models, the Create ML app allows you to test the model performance in real-time using the...

• iOS, iPadOS, macOS

Create ML now enables you to create models for Natural Language that are built on state-of-the-art techniques. Learn how these models can be easily trained and tested with the Create ML app. Gain insight into the powerful new options for transfer learning, word embeddings, and text catalogs.

• iOS, iPadOS, macOS, tvOS, watchOS

Location technologies are core to delivering context-based services within your app. Discover how the latest features in the Core Location Framework lay the groundwork for advanced ranging capabilities and delivers more options for you to clearly communicate your location needs to your users, and...

• iOS, iPadOS

Powerful new features in the AVCapture API let you capture photos and video from multiple cameras simultaneously. Photos now benefit from semantic segmentation that allows you to isolate hair, skin, and teeth in a photo. Learn how these advances enable you to create great camera apps and easily...

• iOS, iPadOS

In AVCapture on iOS 13 it is now possible to simultaneously capture photos and video from multiple cameras on iPhone XS, iPhone XS Max, iPhone XR, and the latest iPad Pro. It is also possible to configure the multiple microphones on the device to shape the sound that is captured. Learn how to...

• iOS, iPadOS

Photos captured in Portrait Mode on iOS 12 contain an embedded person segmentation matte that made it easy to create creative visual effects like background replacement. iOS 13 leverages on-device machine learning to provide new segmentation mattes for any captured photo. Learn about the new...

• iOS, iPadOS, macOS

Learn all about the many advances in the Vision Framework including effortless image classification, image saliency, determining image similarity, and improvements in facial feature detection, and face capture quality scoring. This packed session will show you how easy it is to bring powerful...

• macOS

We are on a journey to continuously improve macOS security, with a particular focus on preventing malware and protecting user data. Join us on the next step and learn more about what's new in Gatekeeper—for keeping malware out of macOS—as well as new protections that help keep users' data and...

• iOS, iPadOS, macOS, tvOS, watchOS

System frameworks encrypt both data at rest and data in transit in a transparent way for you. This functionality is available by simply setting an attribute. However you may want to do more to protect your users' data. CryptoKit is a new Swift framework that makes it easier and safer than ever to...

• iOS, iPadOS, macOS, tvOS, watchOS

Privacy is a more important issue than ever for your users. Learn about new features and privacy engineering techniques that can help you earn customer trust, create more personal experiences, and improve user engagement.

• iOS, iPadOS, macOS, tvOS, watchOS

Sign In with Apple is the fast, easy way for people to sign in to apps using the Apple IDs they already have. Learn how easy it is to add a Sign In with Apple button to your app or website to acquire new customers and benefit from the built-in security, antifraud, and privacy that Sign In with...

• iOS, iPadOS, macOS

Discover a new way to ensure your web content meets team coding standards and that you can deliver better code even without reliance on automated test systems. Find out how to use the Audit tool in Web Inspector to quickly and easily audit your web content during development so important...

• iOS, iPadOS, macOS

The new Link Presentation framework enables app developers to easily present URLs in a rich, beautiful, and consistent way. Learn how to use Link Presentation to retrieve metadata from a URL, present the rich link content inside your app, and provide link metadata to the new share sheet...

• iOS, iPadOS

With system-wide Dark Mode support in iOS and macOS, you'll want to make sure your web content is appropriately styled to reflect your users' preference. Learn techniques to ensure your content looks its best when presented in Safari, embedded in other apps such as Mail, or when used in your...

• iOS, iPadOS, macOS

As a developer of web content, you play an important role in fulfilling customer expectations for a high performance web experience while minimizing power use across all their devices. Discover new insights on how you can improve the power efficiency of your webpages in Safari, or embedded web...

• iOS, iPadOS, macOS, watchOS

WebKit provides a rich set of classes designed to load, display, and manage web content in your app. Discover how to integrate your web content into powerful platform features including Dark Mode, new presentation features in Share Sheet, JavaScript payment APIs for Apple Pay, and more.

• iOS, iPadOS, macOS, tvOS, watchOS

Secure sign-in and authentication is a key feature of a secure account-based app design. Learn how you can improve your app's login experiences through an overview of the available authentications services and details on specific technologies such as Sign In with Apple ID, Password AutoFill for...

• iOS, iPadOS, macOS

The latest version of Safari on macOS and iOS is packed with new capabilities that both web developers and their customers will love. Discover how to take advantage of new features including powerful new Safari Extensions APIs for window, tab, and popover management, content blocking...

• macOS

Safari Extensions surface your app's unique capabilities within Safari. Discover how the latest features such as content blocking notifications and user interface management and control innovations for pages, tabs, and popovers make your Safari App Extensions and Content Blockers even more...

• iOS, iPadOS, macOS

Universal Links allow your users to intelligently follow links to content inside your app or to your website. Learn how the latest enhancements in Universal Links give your users the most integrated mobile and desktop experience, even when your app isn't installed on their device.

• iOS, iPadOS, macOS, tvOS, watchOS

Take a journey through the creation of an educational game that brings together Core ML, ARKit, and other app frameworks. Discover opportunities for magical interactions in your app through the power of machine learning. Gain a deeper understanding of approaches to solving challenging computer...

• iOS, iPadOS, macOS, tvOS

Universal Scene Description (USD) enables the robust description of 3D scenes and empowers engineers and artists to seamlessly collaborate across the creative workflow. Get introduced to the powerful capabilities of USD and explore its incredible scalability. Gain a deeper understanding of how...

• iOS, iPadOS, macOS, tvOS, watchOS

Whether you want to publish code to share with the community, or you just want a convenient way to organize the code in your apps, Swift packages are here to help. Learn how to create local packages for your own development, how to customize your package via the manifest file, and how to go about...

• iOS, iPadOS, macOS

Introducing Swift Playgrounds 3: the latest iteration of the revolutionary app for iPad that makes coding in Swift interactive and fun. Discover how you can use your own playgrounds to rapidly iterate on code that uses device features. Find out how the new modules feature both helps organize your...

• iOS, iPadOS, macOS, tvOS, watchOS

Swift is now the language of choice for a number of major frameworks across all of Apple's platforms, including SwiftUI, RealityKit and Create ML. Join us for a review of Swift 5.0 and an exploration of Swift 5.1, new in Xcode 11. Find out about the latest advancements in performance and safety...

• iOS, iPadOS, macOS

Making your app accessible is critical, but just as important is designing a fantastic accessibility experience. Learn what makes a great experience and how to make your app understandable, navigable, and interactable. SwiftUI builds accessibility into your app for you! Discover how much you get...

• iOS, iPadOS, macOS, tvOS

Collection View Layouts make it easy to build rich interactive collections. Learn how to make dynamic and responsive layouts that range in complexity from basic lists to an advanced, multi-dimensional browsing experience.

• iOS, iPadOS

Dive into the details about what it means to support multitasking in iOS 13. Understand how previous best practices fit together with new ideas. Learn the nuances of structuring your application to support multiple windows, and how to instantiate your UI, handle windows coming and going, and...

• iOS, iPadOS, macOS, tvOS, watchOS

Learn how to build custom views and controls in SwiftUI with advanced composition, layout, graphics, and animation. See a demo of a high performance, animatable control and watch it made step by step in code. Gain a deeper understanding of the layout system of SwiftUI.

• iOS, iPadOS

Learn how easy it is to add support for NFC in your app and take advantage of the newest capabilities such as NDEF writing and support for widely adopted native tag protocols.

• watchOS

watchOS 6 enables a whole new level of watchOS experiences by allowing fully independent apps and apps built just for Apple Watch, and by bringing the App Store to Apple Watch. Discover how to leverage the power of many iOS frameworks and technologies, now on watchOS, to create fully independent...

• iOS, iPadOS

The styling and layout of text is a hallmark feature of an outstanding reading experience. Technologies such as CoreText and TextKit give you the tools you need to create a great text layout. Learn how to make an equally great accessible experience for VoiceOver by adopting the accessibility...

• iOS, iPadOS, macOS, tvOS, watchOS

SwiftUI was built from the ground up to let you write beautiful and correct user interfaces free of inconsistencies. Learn how to connect your data as dependencies while keeping the UI fully predictable and error free. Familiarize yourself with SwiftUI's powerful data flow tools and understand...

• watchOS

Many Watch faces in watchOS 6 allow for customizing the tint color of content, allowing for even more personalization of Apple's most personal device. Discover how you can use ClockKit data providers to offer full color and tint-ready options for each complication family type. This gives...

• iOS, iPadOS

Starting with iOS 13, your iOS app can contribute fonts for systemwide use. Understand how fonts are managed on iOS, and learn how to install and access fonts. Get details on the font picker interface that allows users to choose fonts, and the System UI fonts that are now available for use in...

• iOS, iPadOS

Hear from the UIKit engineering team about the principles and concepts that anchor Dark Mode on iOS. Get introduced to the principles of enhancing your app with this new appearance using dynamic colors and images, and add an experience that people are sure to love.

• iOS, iPadOS, macOS, tvOS, watchOS

SwiftUI is designed to integrate with your existing code base on any of Apple's platforms. Learn how to adopt SwiftUI on any Apple platform by adding SwiftUI views into your app's hierarchy, leveraging your existing data model and more.

• iOS, iPadOS

iOS 13 brings desktop-class browsing to iPad. With blazing-fast performance, industry-leading security, and modern desktop features, Safari on iPad supports the latest web standards designed and automatically adapts desktop sites and web apps to touch in order to deliver a rich browsing...

• iOS, iPadOS

Multitasking is an exciting way to add power to your iPad app. It is easy to enable your app to run two instances of your interface side-by-side, and your customers will love it. Learn how to take your existing features like drag and drop and use them to easily create a second window. Find out...

• iOS, iPadOS

Meet PencilKit, Apple's feature-rich drawing and annotation framework. With just a few lines of code, you can add a full drawing experience to your app — with access to a canvas, responsive inks, rich tool palette and drawing model. Hear the technical details that make a great Apple Pencil...

• iOS, iPadOS, macOS, tvOS, watchOS

See SwiftUI in action! Watch as engineers from the SwiftUI team build a fully-functioning app from scratch. Understand the philosophy driving this new framework and learn about the benefits of declarative-style programming. Take a look under the hood to understand how SwiftUI operates and learn...

• iOS, iPadOS, macOS

iPad Apps for Mac is an easy way to bring your iPad app to the Mac while maintaining your single code-base. Learn about common Mac features that are automatically implemented for you. Find out how to work with iOS-only frameworks and what using them could mean for your app. Hear about some common...

• iOS, iPadOS

Tab Bars can't grow with dynamic text, but the Large Content Viewer helps them to be seen by people with low vision. iOS 13 brings this feature to custom tab bars. Learn how to enable Large Content Viewer on your custom tab bars and ensure the right vector image is featured in the heads-up display.

• iOS, iPadOS, macOS

Custom Actions simplify the experience for people using assistive technologies with your app and they can help you reduce the number of swipes and taps that are required to navigate through your interface and perform interactions. Learn how to leverage custom actions for use in VoiceOver and...

• iOS, iPadOS, macOS, tvOS, watchOS

Core Data helps manage the flow of data throughout your app. Hear about new features in Core Data that make your code simpler and more powerful, including derived attributes, history tracking, change notifications and batch operations. Learn more about using these facilities and the new diffing...

• iOS, iPadOS

iOS 13 combines powerful new multitasking and productivity technologies with a refreshed look and feel for all applications. Familiarize yourself with new requirements to keep your app ready for upcoming versions of iOS. Discover improvements to search fields and a totally new way to present UI...

• iOS, iPadOS, watchOS

The ResearchKit and CareKit frameworks are the fastest route to delivering powerful native iOS apps for the research and patient care field. Learn about the newest audio and speech active-tasks, a completely redesigned user experience, and modular architecture designed to make it a breeze to...

• iOS, iPadOS, macOS, tvOS, watchOS

Take your first deep-dive into building an app with SwiftUI. Learn about Views and how they work. From basic controls to sophisticated containers like lists and navigation stacks, SwiftUI enables the creation of great user interfaces, faster and more easily. See how basic controls like Button are...

• iOS, iPadOS, macOS, tvOS, watchOS

Once you've learned the basics of SwiftUI, you've learned what you need to know to use SwiftUI anywhere. You can use the same SwiftUI skills for making an iOS app as you would for making an app on watchOS, tvOS or macOS. We'll cover the basics, and then dig into more detail about how SwiftUI can...

• watchOS

SwiftUI allows a whole new world of possibilities when developing watchOS apps and notifications. From custom animations to providing an intuitive feel with Digital Crown haptics, SwiftUI helps you build exciting and immersive experiences for Apple Watch. See how easy it is to create custom...

• iOS, iPadOS, macOS

macOS Catalina provides an easy way to bring your iPad app to the Mac while maintaining your single code-base. Hear about ways in which you can take your app beyond the default behaviors to optimize its interface for the Mac. Get an overview of APIs you can use and macOS design guidelines that...

• iOS, iPadOS

Learn how to target content for a specific window in your app. Find out how to identify which scene the system should open from a notification, a shortcut item, and other user activities.

• iOS, iPadOS, macOS, tvOS, watchOS

CloudKit offers powerful, cloud-syncing technology while Core Data provides extensive data modeling and persistence APIs. Learn about combining these complementary technologies to easily build cloud-backed applications. See how new Core Data APIs make it easy to manage the flow of data through...

• iOS, iPadOS, macOS

Learn about the latest APIs in AppKit and associated frameworks. Get an overview of the enhancements coming in macOS Catalina to help you save time, take advantage of the latest hardware, and add polish to your application.

• iOS, iPadOS, macOS

Your iOS app can now access files stored on external devices via USB and SMB. Understand best practices for creating a document-based app that reads, writes, and manages files on physical media or networked storage. Learn about enhancements to Quick Look on iOS and macOS that help you access and...

• iOS, iPadOS

Dive into the details of window management in your Multitasking app, including how to properly handle creating, refreshing, and closing windows. Hear about best practices for when to refresh the content in your window and learn how to ensure your app's visual state is up-to-date in the switcher.

• iOS, iPadOS, macOS

Great accessibility labels are the difference between someone using and loving your app or someone deleting your app. Experience VoiceOver as demonstrated by an Apple Accessibility engineer as she navigates complex UI and demonstrates how descriptive labels are an easy way to ensure your app is...

• iOS, iPadOS, macOS, tvOS, watchOS

The Foundation framework provides a base layer of functionality for apps and frameworks that's used throughout the macOS, iOS, watchOS, and tvOS SDKs. Hear about valuable enhancements to Foundation collections, performance, internationalization features, and Swift integration.

• iOS, iPadOS, macOS, tvOS, watchOS

Keep up with new and evolving networking protocols and standards by leveraging the modern networking frameworks on all Apple platforms and following best practices for efficiency and performance. In this session, learn about Low Data Mode, Combine in URLSession, WebSocket, and improvements to...

• iOS, iPadOS, macOS, tvOS, watchOS

Take your networking apps to the next level with advances in Bonjour, custom message framing handlers, and the latest in security. You'll also learn how to understand your networking performance by collecting metrics, and how best to use the modern networking frameworks on Apple platforms.

• iOS, iPadOS, macOS, tvOS

Use UI Data Sources to simplify updating your table view and collection view items using automatic diffing. High fidelity, quality animations of set changes are automatic and require no extra code! This improved data source mechanism completely avoids synchronization bugs, exceptions, and...

• iOS, iPadOS, macOS

Expand your knowledge of Combine, Apple's new unified, declarative framework for processing values over time. Learn about how to correctly handle errors, schedule work and integrate Combine into your app today.

• iOS, iPadOS, macOS, tvOS, watchOS

Accelerate framework provides hundreds of computational functions that are highly optimized to the system architecture your device is running on. Learn how to access all of these powerful functions directly in Swift. Understand how the power of vector programming can deliver incredible...

• iOS, iPadOS, macOS, tvOS, watchOS

Combine is a unified declarative framework for processing values over time. Learn how it can simplify asynchronous code like networking, key value observing, notifications and callbacks.

• macOS

Learn about powerful new APIs in macOS that you can use to create apps that extend and customize the networking capabilities of macOS without using kernel extensions.

• watchOS

Streaming audio on Apple Watch allows customers to enjoy your content wherever they go without their iPhone. Learn about the streaming APIs brought over from iOS to allow watchOS apps to create independent audio consumption experiences. Find out how to set up your audio session for streaming and...

• iOS, iPadOS, macOS, tvOS

With iOS 13, macOS Catalina, and tvOS 13, the Game Controller framework adds support for several well-known console game controllers. Get briefed about the newly-added controllers and understand how their inputs are delivered. Learn recommended best practices for handling optional buttons, and...

• macOS

One of the next steps in modernizing and improving the security and reliability of macOS is to provide a better architecture for kernel extensions and drivers. Learn how to make this transition with System Extensions and DriverKit.

• iOS, iPadOS, macOS, tvOS, watchOS

Learn about what's new in file system technology, including changes to file system layout and imaging technologies. If you are affected by the new Read Only System Volume, this is a session you will not want to miss.

• iOS, iPadOS, macOS, tvOS, watchOS

Learn how to adopt privacy-enhancing changes in Core Bluetooth. Discover new possibilities with LE 2Mbps, advertising extensions, BR/EDR, and dual-mode devices. Understand how to debug your Core Bluetooth communication with the improvements to PacketLogger.