All Videos

• Insights
• iOS, tvOS, watchOS

The people behind Concepts, Grokker, TypeShift, War Dragons, and codeSpark Academy share how they use each metadata element on the App Store product page to encourage users to download their apps.

• Insights
• iOS, macOS, tvOS, watchOS

In making CARROT Weather for Apple Watch, Grailr started from scratch and evolved both the app and its business model.

• Insights
• iOS

Seriously built a brand for its game, Best Fiends, with a creative approach to social media marketing.

• Insights
• iOS

Originator shares how it built a sustainable business in the Kids category with the Endless series of apps.

• Insights
• iOS, tvOS

Houzz's unique approach to monetization focuses on creating the best experience for homeowners and professionals through technology.

• Insights
• iOS

Evernote began localizing its app for Japan by speaking with Japanese users to learn more about their preferences and culture.

• Insights
• iOS

Super Evil Megacorp shares why cultivating an authentic relationship with its community is critical to the success of Vainglory.

• Insights
• iOS, watchOS

Indie developer WRKSHP attracted hundreds of thousands of users with limited marketing resources by winning over its most passionate players.

• Insights
• iOS, tvOS

Smule grew a thriving community of loyal users through regular app updates and feature innovations.

• Insights
• iOS

Tinybop, Zynga, Hopscotch, Tone It Up, 1 Second Everyday, and Pocket share how having a direct dialogue with users on the App Store helps them improve user acquisition and retention.

• Insights
• iOS, tvOS, watchOS

The developers behind Elevate, Dropbox, Calm, and Bumble share how they create great customer experiences by continuing to provide value throughout the subscription lifecycle.

• Insights
• iOS, watchOS

3 Minute Games shares why the paid business model made sense for the Lifeline series of games.

• Tech Talks
• iOS

ARKit 3.5 and RealityKit provide new capabilities that take full advantage of the LiDAR Scanner on the new iPad Pro. Check out ARKit 3.5 and learn about Scene Geometry, enhanced raycasting, instantaneous virtual object placement, and more. See how RealityKit takes advantage of these features to...

• Tech Talks
• iOS, macOS, tvOS

Dolby Vision and HDR10 enable amazing new video viewing experiences with a wider color gamut and deeper contrast. Learn how this new technology works, and what the differences are between Dolby Vision and HDR10.

• Tech Talks
• tvOS

This video provides a feature overview of the Apple TV App and Universal Search services, and introduces how 3rd party video services integrate with them through metadata feeds. Requirements for providing metadata about your movies, tv shows, and sporting events are detailed — in addition how to...

• Tech Talks
• tvOS

Get an overview of the client-side integration required for 3rd party applications that are participating with the Apple TV App. Learn about onboarding and testing. See how to register subscriptions for your customers, report playback data as content is watched in your applications, and support...

• Tech Talks
• tvOS

Learn about the Apple TV authentication context, what it does, and how to start building this web service. Learn how the authentication context fits into the development for the Apple TV Distribution Program.

• Tech Talks
• tvOS

Learn about the Apple TV Distribution Program and the engineering requirements and business benefits that come with enrollment. Familiarize yourself with the authentication context, VideoSubscriberAccount framework, and the Set Top Box APIs.

• Tech Talks
• tvOS

Learn about the Set Top Box APIs, what they do, and how they help make the Apple TV setup easier for your customers. Learn how this framework fits into the development for the Apple TV Distribution Program.

• Tech Talks
• tvOS

Learn about the VideoSubscriberAccount framework, what it does, and how to integrate this framework with your app. Learn how this framework fits into the development for the Apple TV Distribution Program.

• Tech Talks
• iOS, tvOS

4K and HDR technologies enable the creation of amazing cinematic video experiences and stunning picture quality. Learn about how to support these new formats, and how to properly author your playlists to enable playback of these types of streams.

• Tech Talks
• iOS

Take advantage of the all-screen design of the new iPad Pro by building your app with the iOS 12.1 SDK and making sure it appears correctly with the display's rounded corners and home indicator. Learn about the new common inset compatibility mode and what it means for apps running in multitasking...

• Tech Talks
• iOS

iPhone X has a beautiful new screen that will make your app look great. You may need to make some changes in your app to accommodate the new screen's size and rounded corners. Learn about some common pitfalls and see how you can take advantage of iOS 11's Safe Area and layout guides to make sure...

• Tech Talks
• iOS

If your app has already adopted safe area insets, there's not much you will need to do to update your app for iPhone XS, iPhone XS Max, and iPhone XR. Learn how to set a collection view's section inset reference to the safe area with no code changes. Hear about an API change unique to iPhone XS...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Bring your PyTorch models to Core ML and discover how you can leverage on-device machine learning in your apps. The PyTorch machine learning framework can help you create and train complex neural networks. After you build these models, you can convert them to Core ML and run them entirely...

• Tech Talks
• iOS, macOS, tvOS, watchOS

When you implement complex view hierarchies in your app, you may run into animation hitches. Demystify how your views are turned into pixels during the render phase, and learn how to use Instruments to uncover issues in this part of the render loop. Discover how to eliminate offscreen passes and...

• Tech Talks
• watchOS

Apple Watch Series 4 provides new opportunities for designers and developers to do more with their apps. Series 4 watches have new displays with larger dimensions, and other enhancements that allow developers to deliver richer and more immersive experiences.

• Tech Talks
• iOS, tvOS

Providing a great subscription experience within your app makes it easier to acquire new subscribers. Learn how to more clearly communicate the value of your subscriptions, streamline your sign up flow, and make subscriptions appealing and effortless.

• Tech Talks
• iOS

Learn how to make your app look great on the amazing, edge-to-edge display of iPad Pro and get essential guidance on which app behaviors are appropriate for the double-tap gesture on Apple Pencil.

• Tech Talks
• iOS

iPhone X features an all-screen Super Retina display, providing more space to display content and create deeply immersive experiences. Learn how to design your app or game to look and feel great on iPhone X, and all iOS devices.

• Tech Talks
• watchOS

Complications allow people to quickly glance and stay connected with your app on the watch face throughout their day. The new Infograph and Infograph Modular watch faces on Apple Watch Series 4 allow all new ways to create engaging, full-color complications. Learn about the new complication...

• Tech Talks
• iOS

Explore how Metal is bringing sophisticated rendering and powerful compute features to A14 Bionic. We'll take you through the Metal capabilities delivered in the Apple GPU Family 7 feature set, including new texture addressing modes, fast SIMD reduction and matrix multiplication operations, and a...

• Tech Talks
• iOS, macOS

Website links received in Messages can be made vastly more inviting than a simple text URL. By providing small amounts of metadata in your web pages, links to your website can include rich content such as icons, images and even video. Learn how visitors to your website can share links that look...

• Tech Talks
• iOS, macOS, tvOS

Take advantage of the Metal Counters API for GPU profiling in macOS Big Sur and iOS 14. This API provides access at runtime to low-level GPU profiling information, which was previously available only through offline tools in Xcode and Instruments. Metal Counters accelerate the optimization...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Explore how you can improve the performance of your app's user interface by identifying scrolling and animation hitches in your app. We'll take you through how hitches happen in the render loop, and explain how to measure hitch time ratio and fix the issues that most impact people using your app.

• Tech Talks
• iOS

ARKit and iPhone X enable a revolutionary capability for robust face tracking in AR apps. See how your app can detect the position, topology, and expression of the user's face, all with high accuracy and in real time. Learn about applying live selfie effects and see how to use facial expressions...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Discover how to render smoother animations in your app by troubleshooting the commit phase of your render loop. Dive into the mechanics of this phase, and learn how to use Instruments to uncover the source of hitches in your app, eliminate them, and avoid them outright.

• Tech Talks
• iOS, macOS, tvOS, watchOS

The General Data Protection Regulation (GDPR) is a European Union regulation that requires developers to give users visibility and control over the personal data you store on their behalf. Learn how to use new and existing CloudKit APIs to build privacy into your apps and make sure customers can...

• Tech Talks
• iOS, macOS

Ready to start exploring augmented reality? The Reality Composer app can help you quickly create delightful AR experiences for your app. Learn how to select the perfect virtual prop, build an interactive AR journey, and transfer it to your Xcode project or share it independently with friends and...

• Tech Talks
• iOS, macOS

When you train custom Core ML models for object detection in Create ML, you can bring image understanding to your app. Discover how transfer learning allows you to build smaller models with less training data. We'll also take you through some of the advanced parameters in Create ML that help you...

• Tech Talks
• iOS

Bring your music service to HomePod and help users enjoy your content hands-free throughout their home. Discover how to build a great integration from start to finish. We'll take you through how Media Intents work, configuring your app as a preferred music service on HomePod and integrating...

• Tech Talks
• iOS, macOS

Single Sign-on ensures your enterprise can implement modern authentication methods without sacrificing ease of use. Learn how to use the Authentication Services framework to expose your redirect and credential SSO services in Safari and native apps on macOS Catalina, iPadOS 13, and iOS 13...

• Tech Talks
• tvOS

Starting with tvOS 11.2, Apple TV 4K can automatically switch video display modes to match the native frame rate and dynamic range of video content. With tvOS 11.3, Apple TV (4th generation) can also automatically switch video display modes to match native frame rate. Learn how to make sure your...

• Tech Talks
• iOS

Imageblock sample coverage control provides access to multisample tracking data within a tile shader, enabling development of custom MSAA resolve algorithms and more. Understand how the A11 GPU tracks unique samples, then explore an example that optimizes rendering of dense geometry through...

• Tech Talks
• iOS

Imageblocks enable Metal 2 apps to define and manipulate custom per-pixel data structures in the high-bandwidth tile memory of the A11 GPU. Learn how imageblocks can pass data between the fragment and tile stages of a render pass and unlock sophisticated rendering techniques such as approximate...

• Tech Talks
• iOS

The seamless integration of Metal 2 with the A11 Bionic chip lets your apps and games realize entirely new levels of performance and capability. Get introduced to powerful new API features and GPU-driven capabilities of Metal 2 on A11, including imageblocks, tile shading, enhancements to raster...

• Tech Talks
• iOS

Raster order groups allow Metal 2 apps to precisely control the order of parallel fragment shader threads accessing the same pixel coordinates. Learn how A11 extends raster order groups with support for multiple groups and adds new capabilities for accessing threadgroup memory. See how you can...

• Tech Talks
• iOS

Tile shading is a new Metal 2 pipeline stage allowing apps to combine rendering and compute operations into a single render pass while sharing imageblock data and threadgroup memory. Understand how to create a tile shading pipeline, and see how it leverages the high-bandwidth tile memory of the...

• Tech Talks
• iOS

Metal brings powerful API features and GPU-driven capabilities to A13 Bionic including sparse textures, vertex amplification, Tier 2 argument buffers, ASTC HDR, and more. Understand the architectural improvements of the Apple-designed A13 Bionic and learn how the latest Metal enhancements advance...

• Tech Talks
• iOS

iOS 11 provides built-in support to detect and handle QR codes. Discover the supported QR code types, how each type is handled by built-in Camera and Safari apps, and how Universal Links can seamlessly send users to your app when scanning your QR codes.

• Tech Talks
• macOS

Apple Pro Display XDR is a high grade reference monitor designed for professional workflows such as video editing, photography, 3D animation and game development. Discover how you can use underlying technology and framework-level support to improve your professional workflows for content...

• Tech Talks
• macOS

Discover the advances in Metal performance and capability delivered with the Apple M1 chip on Apple silicon Macs. Apple M1 unites the top-end graphics and compute abilities of discrete GPUs with the features and power efficiency of Apple silicon, creating entirely new opportunities for developers...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Ever wonder how the system decides what app should open a given file? Explore the Uniform Type Identifiers framework, which helps you simplify the process for supporting standard or proprietary file formats in your app. You'll learn how to use the new framework and Xcode to declare the types your...

• Tech Talks
• tvOS

Learn how to update your app for Apple TV 4K, including how to take advantage of new capabilities such as retina image support, HDR video, and the new motion capabilities of the Siri Remote.

• Tech Talks
• watchOS

Apple Watch Series 3 makes it easier to stay connected, even when away from your phone. Learn how to keep your app responsive over cellular connections using URLSession. Find out how to optimize your Watch app networking code to ensure that your app is always up to date and ready for use...

• Tech Talks
• macOS, tvOS

With Web Inspector, you can debug web content on several Apple platforms, including tvOS. This video introduces you to Web Inspector's powerful debugging capabilities, and takes you through the features designed to accelerate debugging of TVML content in your tvOS app.

• Tech Talks
• iOS, macOS, tvOS

Web Inspector is packed with features designed to make inspection, debugging and delivery of your web content a breeze. Get an overview of the latest features including major layouts, tabs, buttons, and other capabilities that make Web Inspector a powerful web development tool.

• Tech Talks
• macOS

Learn how developers updated their apps for Apple silicon Macs and began taking advantage of the advanced capabilities of the Apple M1 chip.

• Tech Talks
• iOS

Background reading of NFC tags is a new feature for iPhone XS, iPhone XS Max, and iPhone XR. Learn how to associate your app with an NFC tag to make it even easier for people to benefit from the NFC capabilities of new iPhones.

• Tech Talks
• iOS

The Share Sheet provides a convenient way to share information from your current context with other apps, people, and services. Discover the details on using the Link Presentation framework to present shared URLs in a rich and consistent way, how to create a Share Extension configured to...

• Tech Talks
• iOS

Learn tips for keeping your app's on-disk storage as organized and optimized as possible. See how to enable direct access to documents in your app using the new Files app in iOS 11. Gain insights into how to take inventory of your app's files and make the most of the storage capacity available to...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

The Apple Design Awards recognize excellence in design and innovation for apps and games across all of Apple's platforms. Meet the 2020 winners.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Eric Holder was the 82nd Attorney General of the United States, having served from 2009 to 2015. The first Black American to hold the position, Holder's six-year tenure also makes him one of the longest-serving occupants of the office. Currently a partner in Covington & Burling, he's served in...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Ever wondered which is more fun — filming in a hot tub or filming in a VR suit? The cast and creators of the Apple TV+ hit show Mythic Quest: Raven's Banquet answer questions from the Apple developer community. Join Rob McElhenney (executive producer/co-creator and Ian Grimm), Charlotte Nicdao...

• WWDC 2020
• iOS

CarPlay is the smarter, safer way for people to use iPhone in the car. We'll show you how to build great apps for the car screen, and introduce you to developing CarPlay apps in categories like EV charging, parking, and quick food ordering. We'll also share how existing audio and communication...

• WWDC 2020
• iOS, macOS

Make your Mac Catalyst app accessible to all — and bring those improvements back to your iPad app. Discover how a great accessible iPad app automatically becomes a great accessible Mac app when adding support for Mac Catalyst. Learn how to further augment your experience with support for mouse...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Find out how to integrate advertising into your Low-Latency HLS streams through server-side ad insertion. We'll show you how to segment your ad content, and examine how ad insertion works with LL-HLS features such as Blocking Playlist Reload and Blocking Preload Hints. For more information...

• WWDC 2020
• iOS, macOS

Widgets are at their best when they show up on someone's Home screen or in the Today View at the right time and provide actionable, relevant information. We'll show you how to build configurable widgets to let people create a personalized Home screen experience, and that take advantage of system...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

The Xcode Library is an easy way for you to discover available SwiftUI views and drag and drop them to the Xcode Previews canvas, enabling rich visual editing of your app. We'll show you how to extend the content of the Xcode Library with your own views and modifiers, optimizing for reusability...

• WWDC 2020
• macOS

Make over your Mac apps: Discover how you can embrace the new design of macOS Big Sur and adopt its visual hierarchy, design patterns, and behaviors. We'll explore the latest updates to AppKit around structural items and common controls, and show you how you can adapt more customized interfaces...

• WWDC 2020
• iOS, macOS, tvOS

Let's rumble! Discover how you can bring third-party game controllers and custom haptics into your games on iPhone, iPad, Mac, and Apple TV. We'll show you how to add support for the latest controllers — including Xbox's Elite Wireless Controller Series 2 and Adaptive Controller — and map your...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Dive into the microscopic world of low-level bits and bytes that underlie every Objective-C and Swift class. Find out how recent changes to internal data structures, method lists, and tagged pointers provide better performance and lower memory usage. We'll demonstrate how to recognize and fix...

• WWDC 2020
• iOS

Learn about new features of UICollectionView that make it easier to use and unlock powerful new functionality. We'll show you how to use section snapshots with your diffable data source to create outlines that can expand and collapse, and introduce you to building lists with compositional layout...

• WWDC 2020
• iOS

Diffable data sources dramatically simplify the work involved in managing and updating collection and table views to create dynamic and responsive experiences in your apps. Discover how you can use section snapshots to efficiently build lists and outline collection views for iOS and iPadOS and...

• WWDC 2020
• iOS

Switch Control is a powerful accessibility technology for anyone with very limited mobility. The feature is available natively on iOS, and you can create an even better Switch Control experience in your app with tips, tricks, and a few APIs. We'll walk you through how people use Switch Control,...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Thanks to the new App protocol, SwiftUI now supports building entire apps! See how Apps, Scenes, and Views fit together. Learn how easy it is to implement the features people expect from a best-in-class product while saving time and reducing complexity. Easily add expected functionality to your...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Learn how you can build simple entitlement logic to enhance the customer experience. We'll dive deep into key concepts and provide guidance for architecting your systems to accurately entitle service. You'll learn best practices for subscription features and how to craft the best customer...

• WWDC 2020
• iOS, macOS

Transform your audio and video content into fragmented MPEG-4 files for a faster and smoother HLS streaming experience. Learn how to work with the fragmented MPEG-4 format, generate fragmented content from a movie, and set up AVAssetWriter to create fragments for HLS output.

• WWDC 2020
• iOS, macOS

Discover how to implement AutoFill in your app and help people enter their information into fields easily, privately, and securely. Learn how to help the system to give better suggestions that tailor to your app's functionality: offer smart location suggestions within a navigation app, for...

• WWDC 2020
• iOS

Are you mystified about why and when your app gets background processing time? No need for a crystal ball! We'll show you how to tackle the seven major factors that impact background runtime, and how you can integrate background modes that help your app come back to the foreground faster, run...

• WWDC 2020
• iOS, tvOS, watchOS

Simulator runs your iOS, iPadOS, tvOS, or watchOS apps directly on your Mac — no separate device required. We'll give you a tour of the app's latest tools and features and show you how to sharpen your Simulator skills. Discover how to test pointer and trackpad support, adjust Simulator...

• WWDC 2020
• iOS, watchOS

Move beyond step counting in your app and give people a much richer understanding of their mobility. We'll detail how you can take advantage of mobility metrics in iOS and watchOS to measure movement in more distinct and actionable ways. Learn about the latest HealthKit APIs for accessing...

• WWDC 2020
• iOS, macOS

Speed up your app and make it more nimble, private and secure with modern networking APIs. Learn about networking protocols like IPv6, HTTP/2, TLS 1.3 and Encrypted DNS, and how incorporating these within your app and server can provide faster performance and reduce both your power consumption...

• WWDC 2020
• iOS

Level up your iPad games and add in keyboard, mouse, and trackpad controls. Discover how to use the Game Controller framework to augment your existing titles, bring over games from other platforms, or dream up entirely new interaction experiences. Learn how to integrate keyboard and “delta” mouse...

• WWDC 2020
• macOS

Meet the Tile Based Deferred Rendering (TBDR) GPU architecture for Apple silicon Macs — the heart of your Metal app or game's graphics performance. Learn how you can translate or port your graphics-intensive app over to Apple silicon, and how to take advantage of TBDR and Metal when building...

• WWDC 2020
• iOS, macOS, watchOS

Whether you're hosting event information in your app, on the web, or in an email, Siri Event Suggestions can help people keep track of their commitments — without compromising their privacy. We'll show you how to set up your reservations so that they automatically show up in the Calendar app and...

• WWDC 2020
• iOS, macOS, tvOS

Power up your shader pipeline with enhancements to the Metal shader compilation model — all leading to a dramatic reduction in Pipeline State Object (PSO) loading time, especially upon first launch. Learn about explicit PSO caching and sharing of GPU binaries using Metal binary archives and...

• WWDC 2020
• iOS, macOS

Bring stylized effects to your photos and videos with Style Transfer in Create ML. Discover how you can train models in minutes that make it easy to bring creative visual features to your app. Learn about the training process and the options you have for controlling the results. And we'll explore...

• WWDC 2020
• iOS, macOS

Learn how to integrate and load Core Image kernels written in the Metal Shading Language into your application, and discover how you can apply these image filters to create unique effects. Explore how to use Xcode rules and naming conventions for Core Image kernels written in Metal Shading...

• WWDC 2020
• tvOS

Add a new dimension to your tvOS app with SwiftUI. We'll show you how to build layouts powered by SwiftUI and customize your interface with custom buttons, provide more functionality in your app with a context menu, check if views are focused, and manage default focus. To get the most out of...

• WWDC 2020
• iOS, macOS

Widgets are bite-sized pieces of information from your app that someone can choose to place on their home screen or Today view. Discover the process of building the views for a widget from scratch using SwiftUI. Brush up on the syntax that you'll need for widget-specific construction and learn...

• WWDC 2020
• iOS, macOS

Easily prototype and play around with SwiftUI views when you use them with Swift Playgrounds. We'll show you how to build a SwiftUI view in a Xcode-compatible playground, and explore tools to help you easily edit and preview your code. For more on Swift Playgrounds, check out our interactive...

• WWDC 2020
• iOS, macOS

Discover how to build Action Classification models in Create ML. With a custom action classifier, your app can recognize and understand body movements in real-time from videos or through a camera. We'll show you how to use samples to easily train a Core ML model to identify human actions like...

• WWDC 2020
• macOS

System Extensions improve the reliability and security of macOS. Learn about the modern replacement for Kernel Authorization KPIs and discover tips for making a great security product with the Endpoint Security framework.

• WWDC 2020
• watchOS

Spice up your graphic complications on Apple Watch using SwiftUI. We'll teach you how to use custom SwiftUI views in complications on watch faces like Meridian and Infograph, look at some best practices when creating your complications, and show you how to preview your work in Xcode 12. To get...

• WWDC 2020
• iOS, macOS, tvOS

Discover the Metal Performance Shaders (MPS) Graph, which extends Metal's Compute capabilities to multi-dimensional Tensors. MPS Graph builds on the highly tuned library of data parallel primitives that are vital to machine learning and leverages the tremendous power of the GPU. Explore how MPS...

• WWDC 2020
• iOS, macOS

Learn how to build a document-based app entirely in SwiftUI! We'll walk you through the DocumentGroup API and how it composes with your App and Scenes, allowing you to add out-of-the-box support for document management — such as document browsing and standard commands — no heavy lifting required...

• WWDC 2020
• iOS

Learn how to improve iPad apps to leverage the increased screen size and additional features of iPadOS, and help people accomplish more with their devices. Discover how you can build detailed multi-column layouts and integrate lists into your app with little adjustment to your existing code...

• WWDC 2020
• iOS

Help people who use iPad with a Magic Keyboard, mouse, trackpad or other input device get the most out of your app. We'll show you how to add customizations to the pointer on iPad using pointer interaction APIs, create pointer effects for your buttons and custom views, and change the pointer...

• WWDC 2020
• iOS, macOS

Leverage local push connectivity and deliver notifications from your application server to devices on networks without an internet connection. Learn how to construct notifications for apps running in restricted network environments, helping people communicate with the same reliability and...

• WWDC 2020
• iOS, macOS

Localizing your app is a wonderful way to share your work with a worldwide audience and make it relevant to more cultures and languages. We'll show you how you can prepare for localization before ever translating a word by building thoughtful layouts for your app. Learn how to structure your UI...

• WWDC 2020
• iOS

Develop location-aware enterprise apps for your business and personalize your employee's everyday experience. Learn how Apple built the Caffe Macs app for its on-campus cafeterias using iBeacons and Location Services and how you can apply these tools and frameworks to your own apps, while...

• WWDC 2020
• iOS

Learn how to build focused enterprise apps that work well together. In this session, we'll introduce you to Apple Retail's suite of enterprise apps, which help employees interact with customers, track operations, manage stores, and stay connected. Discover how Apple Retail created a unified set...

• WWDC 2020
• iOS, macOS

Privacy is a more important issue than ever. Learn about Apple's privacy pillars, our approach to privacy, and how to adopt the latest features on our platforms that can help you earn customer trust, create more personal experiences, and improve engagement. Explore the transparency iOS provides...

• WWDC 2020
• iOS, macOS

Build iPhone and iPad apps with fluid interfaces and easily-accessible contextual information. We'll show you how to integrate the latest UIKit controls into your app to best take advantage of menus, date pickers, page controls, and segmented controllers. Learn how to adopt Menus throughly your...

• WWDC 2020
• iOS, macOS, tvOS

Learn how you can integrate ReplayKit into your Mac apps and games to easily share screen recordings or broadcast live audio and visuals online. We'll show you how to capture screen content, audio, and microphone input inside your Mac apps, and even broadcast your video to a live audience. For...

• WWDC 2020
• iOS

App Clips are small parts of an app that offer a streamlined, direct experience and help people get what they need at the right time. Learn how you can invoke an App Clip through real-world experiences like App Clip Codes, NFC, and QR codes, or have them appear digitally through apps like Maps or...

• WWDC 2020
• macOS

With the Create ML framework you have more power than ever to easily develop models and automate workflows. We'll show you how to explore and interact with your machine learning models while you train them, helping you get a better model quickly. Discover how training control in Create ML can...

• WWDC 2020
• iOS, macOS

Core Data is the central way to durably and persistently store information from your app — and we're going to show you how to refine that implementation for even faster data ingest and fetching. Discover how you can improve data capture with batch insert, tailor fetch requests to your data needs,...

• WWDC 2020
• iOS

Create App Clips for table reservations, food ordering, and more on behalf of brands, businesses, or services that appear within your app. We'll show you how you can deliver customized experiences for each business, offering them a unique look, invocation card, and icon — all within a single App...

• WWDC 2020
• iOS, macOS

Learn how to create Swift Playgrounds books that work fluidly across both Mac and iPad and help people of all ages explore the fun of coding in Swift. We'll walk you through how to customize content for each platform while considering platform settings, and help you take advantage of them in your...

• WWDC 2020
• iOS

Augment your app's accessibility experience with speech synthesis: Discover the best times and places to add speech APIs so that everyone who uses your app can benefit. Learn how to use AVSpeechSynthesizer to complement assistive technologies like VoiceOver, and when to implement alternative...

• WWDC 2020
• watchOS

When you add complications to a Watch app, people can access glanceable and up to date information directly from their watch face. We'll show you how to create and build complications from the ground up and introduce you to Multiple Complications. Learn how to construct timelines, use families...

• WWDC 2020
• iOS

Build enterprise apps for your employees to help them solve problems and streamline everyday tasks. See how to build custom apps designed for your workforce. Learn how to identify great mobile use cases, have your employees drive the design process, use key Apple frameworks, and rapidly iterate...

• WWDC 2020
• iOS, macOS

Discover how organizations like Box are adapting to changing conditions in the business world and remote work. Listen to Apple's Vice President of Cloud Services Mike Abbott and Box CEO and co-founder Aaron Levie chat about the modern working environment, how cloud-based apps are helping people...

• WWDC 2020
• iOS, watchOS

Shortcuts are a natural fit on Apple Watch, allowing people to get things done with just a tap — even from a complication. Bring your app's intents to the wrist: We'll help you optimize your shortcuts performance, understand how intents can be routed from watchOS to iOS, explore the latest...

• WWDC 2020
• iOS, macOS

Apple Business Manager is the best way to manage and deploy business apps to your employees and customers. Whether you're a developer, business owner, or IT administrator, we'll showcase the benefits of Custom apps for each role and provide guidance on each step in the process — from app creation...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Data is a complex part of any app, but SwiftUI makes it easy to ensure a smooth, data-driven experience from prototyping to production. Discover @State and @Binding, two powerful tools that can preserve and seamlessly update your Source of Truth. We'll also show you how ObservableObject lets you...

• WWDC 2020
• iOS, macOS, tvOS

Track down even the trickiest GPU-side programming errors with enhanced reporting in Xcode 12. While Metal's API validation layer can catch most problems in a project, GPU errors can cause a host of difficult-to-debug issues. Get an introduction to GPU-side errors and learn how to find and...

• WWDC 2020
• iOS, tvOS, watchOS

“Sorry, there was a problem with the app..." Don't let Siri errors get you down: Learn how to debug your Siri intents and create great integrations people can use through voice or the Shortcuts app. We'll look at common intent errors, how to test for them, and the path to a seamless Siri...

• WWDC 2020
• macOS

Make decoding and displaying ProRes content easier in your Mac app: Learn how to implement an optimal graphics pipeline by leveraging AVFoundation and VideoToolbox's decoding capabilities. We'll share best practices and performance considerations for your app, show you how to integrate...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover techniques for streaming high-quality audio to bandwidth-limited networks and new audio codec support. We'll share some best practices for supporting the xHE-AAC, FLAC, and Apple Lossless Audio audio codecs, including limited support for multichannel AAC.

• WWDC 2020
• iOS, macOS, tvOS

Discover how Apple's system administrators remotely deploy Apple devices to their teams, ensuring a zero-touch deployment. Learn how to configure the setup experience, control and manage devices effectively, and discover practices around security and management.

• WWDC 2020
• iOS, macOS, tvOS

Get your game's interface ready for Game Center. We'll show you how to deliver personalized touches to the GameKit interface that provide a rich experience for players, with features like achievements, leaderboards, and multiplayer gaming. Learn how to customize your game's access point, design...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Intelligence is a core part of building a great modern app. App extensions, Siri suggestions, voice, widgets, App Clips — we've designed all of these features to help make everyday tasks easier for people who use our platforms. Learn about the origins of the intelligent system experience, and...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Learn how extensibility is key to surfacing the most important features of your app into new entry points of the operating system. And discover how — by breaking out of the constraints of a monolithic container — your app can see increased engagement through suggestions on the lock screen, in...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

The building blocks of the intelligent system are simple: Define, learn, execute. Discover how you can use intents to define your app's key features, create donations to help the system learn and make predictions about the future, and implement extensibility to ensure your app is ready to execute...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Understand what motivates people to use your app — and how you can use system intelligence to help them and achieve your own goals as a developer. We'll take a look at a typical person's journey to better understand how an app can become a key part of their routine — and why some apps just don't...

• WWDC 2020
• iOS, macOS

When someone uses iPhone or iPad, they have control over how their location is shared with the apps they use — including sharing an approximate location rather than precise coordinates. This creates a more private experience across their device, and it impacts all apps that rely on location data...

• WWDC 2020
• iOS

Bring the power of the pointer to your iPad app: We'll show you how Apple's design team approached designing the iPadOS pointer to complement touch input, and how you can customize and refine pointer interactions in your app to make workflows more efficient and gratifying. Discover how the...

• WWDC 2020
• iOS

App Clips offer fast, convenient ways for people to perform everyday tasks without needing to download or navigate your full app. We'll show you how to identify key elements from your iOS app that make up a great App Clip, design a smooth flow, work with notifications, and provide messaging...

• WWDC 2020
• iOS

Widgets elevate timely information from your app to primary locations on iPhone, iPad and Mac. Discover the keys to designing glanceable widgets, developing a strong widget idea, and clearly communicating with content, color, sizing, layout, and typography. If you'd like to learn more about...

• WWDC 2020
• iOS, tvOS, watchOS

Demystify the art of designing Siri experiences for your music and audio apps: We'll show you how to think about crafting great interactions and how you can provide custom vocabulary so that Siri can respond with more accuracy and personality. We'll also explain how you can debug common errors...

• WWDC 2020
• iOS

Create iPhone and iPad apps that look great and help people move quickly and directly to the information they need. Discover how you can integrate menus into your app for quick access to actions and settings, and learn where and when you should use them in your app. We'll also walk you through...

• WWDC 2020
• iOS, macOS

Discover the building blocks for designing a great iPad app: Learn how to minimize use of modal interfaces and leverage the new sidebar to increase efficiency by streamlining navigation and facilitating powerful drag and drop interactions. See how to take advantage of iPad's versatile interaction...

• WWDC 2020
• iOS, macOS, tvOS

Explore how the Vision framework can help your app detect body and hand poses in photos and video. With pose detection, your app can analyze the poses, movements, and gestures of people to offer new video editing possibilities, or to perform action classification when paired with an action...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Analyze aggregated power and performance data from multiple versions of your app with just a few clicks. We'll introduce you to the latest version of the Xcode Organizer and its interactive interface, where you can easily compare and contrast app metrics across releases. Explore disk write...

• WWDC 2020
• iOS, macOS, tvOS

With AppleSeed for IT, you can help your school or business test pre-release versions of Apple software and provide valuable feedback directly to Apple. We'll guide you through getting started in AppleSeed for IT and provide insight on how to file great feedback collaboratively within your...

• WWDC 2020
• iOS, macOS, tvOS

Find and fix rendering and optimization issues in your Core Image pipeline with Xcode environment variable. Discover how you can set the environment variable for visualizing your Core Image graphs. You'll learn how to generate Core Image graphs and how to interpret them to discover memory, color,...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Learn how to implement Blocking Preload Hints for Low-Latency HLS to reduce delivery latency and improve the reliability of your video and audio streams. Discover how to integrate LL-HLS with CMAF Chunk delivery and unify your delivery across streaming formats.

• WWDC 2020
• iOS, macOS

WKWebView is the best way to present rich, interactive web content right within your app. Explore new APIs that help you convert apps using WebViews or UIWebViews while adding entirely new capabilities. Learn about better ways to handle JavaScript, fine tune the rendering process, export web...

• WWDC 2020
• iOS

Discover how to play HLS audio or video without an internet connection in your app by downloading HLS content for offline consumption using AVFoundation. Explore best practices for working with your HLS content while offline, learn how to use FairPlay Streaming to protect your offline audio and...

• WWDC 2020
• iOS, macOS, tvOS

Achieve photorealistic 3D scenes in your apps and games through ray tracing — a core part of the Metal graphics framework and Shading Language. Discover the fundamentals of the Metal ray tracing API and Shading Language extensions for ray tracing, find out how to use them in your graphics apps...

• WWDC 2020
• tvOS

Searching your tvOS app just got even better. Get ready to explore the new simplified search interface and learn how to integrate it into your app with UISearchController. Support your global audience with the addition of new international keyboards and languages. Discover how to add search...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover how you can add third-party frameworks to your app and keep them up to date using Swift packages in Xcode. We'll show you how to author packages that reference frameworks, explain binary targets and how to specify them in your package manifest file, and demonstrate how to compute...

• WWDC 2020
• iOS, macOS

Find out how you can support HDR editing and playback in your macOS app, and how you can determine if a specific hardware configuration is eligible for HDR playback. We'll show you how to use AVMutableVideoComposition with the built-in compositor and easily edit HDR content, explain how you can...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Animations can dramatically enhance the user experience of your app, provide a sense of direct manipulation, and help people to better understand the results of their actions. Animation hitches can break that experience. Discover how to use XCTest to detect interruptions to smooth scrolling and...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Swift uses type inference to help you write clean, concise code without compromising type safety. We'll show you how the compiler seeks out clues in your code to solve the type inference puzzle. Discover what happens when the compiler can't come to a solution, and find out how Xcode 12 integrates...

• WWDC 2020
• iOS, tvOS, watchOS

When you create an intent for your app, you can help people accomplish tasks quickly by using it as part of a shortcut or when asking Siri. Learn how to adopt Siri more easily than ever when you use SiriKit's in-app intent handling, and how to improve Siri performance with existing Intents app...

• WWDC 2020
• iOS, macOS

When people access the web within your app, their privacy is paramount. Safeguard that information by leveraging encrypted DNS across our platforms to deliver private and secure connectivity within your app. Discover how you can use system DNS settings to connect to encrypted servers or enable...

• WWDC 2020
• iOS, tvOS, watchOS

Optimize your app for Siri and give people a more natural way to interact with the features of your app. We'll compare the different Siri technologies and help you identify the right one for you and your needs, show you how to get started with building for conversational interactions, and explore...

• WWDC 2020
• iOS, tvOS, watchOS

Discover how you can enable Siri summoning for your music or audio app using SiriKit Media Intents. We'll walk you through how to add Siri support to your music, podcast, or other audio service on more of our platforms, including HomePod and Apple TV, so people can start listening by just asking...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Make routine tasks in App Store Connect a thing of the past when you automate your workflow with the App Store Connect API. Learn how you can manage more about your presence on the App Store with the App Metadata API, or use the new Power and Performance Metrics and Diagnostics API to access the...

• WWDC 2020
• iOS

ARKit 4 enables you to build the next generation of augmented reality apps to transform how people connect with the world around them. We'll walk you through the latest improvements to Apple's augmented reality platform, including how to use Location Anchors to connect virtual objects with a...

• WWDC 2020
• iOS

Help people experience the right parts of your app at the exact moment they need them. We'll explain how to design and build an App Clip — a small part of your app that focuses on a specific task — and make it easily discoverable. Learn how to focus your App Clip on short and fast interactions...

• WWDC 2020
• iOS, macOS, tvOS

Learn how to bring Computer Vision intelligence to your app when you combine the power of Core Image, Vision, and Core ML. Go beyond machine learning alone and gain a deeper understanding of images and video. Discover new APIs in Core Image and Vision to bring Computer Vision to your application...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Xcode Playgrounds helps developers explore Swift and framework APIs and provides a scratchpad for rapid experimentation. Learn how Xcode Playgrounds utilizes Xcode's modern build system, provides improved support for resources, and integrates into your projects, frameworks, and Swift packages to...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Meet the latest generation of Swift unified logging APIs. Learn how to log events and errors in your app while preserving privacy. Take advantage of powerful yet readable options for formatting data — all without sacrificing performance. And we'll show you how you can gather and process log...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Meet Swift Numerics: a new Swift package for computational mathematics. Take a tour of the protocols and types available in the package and find out how you can use them to write generic code. We'll also show you how and when to use the new Float16 type to improve performance and reduce memory...

• WWDC 2020
• iOS, macOS

It's now easy to create an app for fitness or sports coaching that takes advantage of machine learning — and to prove it, we built our own. Learn how we designed the Action & Vision app using Object Detection and Action Classification in Create ML along with the new Body Pose Estimation,...

• WWDC 2020
• macOS

Discover how Macs with Apple silicon will deliver modern advantages using Apple's System-on-Chip (SoC) architecture. Leveraging a unified memory architecture for CPU and GPU tasks, Mac apps will see amazing performance benefits from Apple silicon tuned frameworks such as Metal and Accelerate...

• WWDC 2020
• iOS, macOS

Discover how to author and export high dynamic range (HDR) content in your app using AVFoundation. Learn about high dynamic range and how you can take advantage of it in your app. We'll show you how to implement feature sets that allow people to export HDR content, go over supported HDR formats,...

• WWDC 2020
• iOS, watchOS

Learn foolproof ways to surface your app's actions in the Shortcuts app — and help people quickly set up powerful, personalized shortcuts using system intelligence. We'll detail how to configure your intents to appear in the new Automation Suggestions, explore how the system surfaces your app's...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Save yourself time and frustration: When you display data in your app — including dates, times, measurements, names, lists, numbers, or strings — learn how to format it correctly and provide a great experience. We'll walk you through the Formatter APIs as well as how SwiftUI works with...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

What a week! We've covered so many topics — Apple silicon Macs, App Clips, WidgetKit, ARKit 4, Mac Catalyst, Xcode 12, Core ML 4.0, Metal, Accessibility and the list goes on and on. But now it's time to say farewell.

• WWDC 2020
• iOS, macOS, tvOS

Learn how to locate graphics issues in minutes with Metal's debugging and performance optimization tools in Xcode 12. We'll show you how to diagnose problems quickly using Metal Debugger. Discover the new summary view, which suggests ways to improve memory usage, bandwidth, performance, and...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

With Core ML you can bring incredible machine learning models to your app and run them entirely on-device. And when you use Core ML Converters, you can incorporate almost any trained model from TensorFlow or PyTorch and take full advantage of the GPU, CPU, and Neural Engine. Discover everything...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Sign in with Apple makes it easy for people to sign in to your apps and websites with the Apple ID they already have. Fully integrate Sign in with Apple into your app using secure requests, and by handling state changes and server notifications. We'll also introduce new APIs that allow you to let...

• WWDC 2020
• iOS, macOS, tvOS

Metal is a low-level, low-overhead hardware-accelerated graphics framework and shader application programming interface for producing stunning visual effects in applications. Discover how to make your shaders written in Metal Shading Language more programmable and extensible by using function...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Improve your testing suite to speed up your feedback loop and get fixes in faster. Learn more about the latest improvements to testing in Xcode, including how to leverage test plans, Xcodebuild updates, and APIs to eliminate never-ending and badly-behaved tests. We'll explore Test Timeouts and...

• WWDC 2020
• iOS, macOS, watchOS

HealthKit helps you build world-class health and fitness apps by centralizing health data from third-party apps, iPhone, Apple Watch, and external health devices. Discover how you can manage authorization and privacy around Health data, read and write data to the shared Health Store, and use...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Learn how to anticipate potential interruptions to your app's interface and build smart tests to identify them. UI interruptions often appear indeterminately, typically during onboarding or first launch, which can make them hard to track down. Learn how to understand interruptions, write stronger...

• WWDC 2020
• iOS

Access the photos and videos you need for your app while preserving privacy. With the new Limited Photos Library feature, people can directly control which photos and videos an app can access to protect their private content. We'll explore how this feature may affect your app, and take you...

• WWDC 2020
• iOS

Provide a more versatile experience when you optimize your iPad or Mac Catalyst app for indirect input from trackpads and mice. Discover how to make your app responsive to new events from these devices. Learn how to work with pointer movement, enable pointer locking, handle scroll input and...

• WWDC 2020
• iOS, macOS, watchOS

Learn how FHIRModels creates native data models for all FHIR resources, provides data validation to enforce resource integrity, and prevents the creation of structurally invalid resources — across multiple versions of the FHIR specification. Whether you're working with clinical data obtained from...

• WWDC 2020
• iOS, macOS, tvOS

Create visually stunning, high-performance apps and games when you combine the power of Apple GPUs with Metal, the modern foundation for GPU-accelerated graphics on Apple platforms. Discover the architecture and capabilities of the Apple GPU and how Metal harnesses its tile-based deferred...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Track your app's performance metrics in custom team dashboards, bug reporting systems, and other custom workflows with the Power and Performance Metrics and Diagnostics API. Explore how you can access the same data that drives the Power and Performance analysis tools in Xcode to quickly identify...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Deliver live and on-demand audio and video to iPhone, iPad, Apple Watch, Mac, PC, and Apple TV with HTTP Live Streaming (HLS). Learn about tools and features to help improve the authoring of your HLS streams and provide low-latency delivery and better audio performance to people watching or...

• WWDC 2020
• iOS

Make Apple Pencil an even more useful tool for drawing and writing within your app. With PencilKit, you can delve into the strokes, inks, paths, and points that comprise a drawing, use these to build features that use recognition, and modify drawings in response to input. Discover how you can...

• WWDC 2020
• iOS, watchOS

Discover how you can help people get ready for a good night's sleep by surfacing your app's actions for Wind Down Shortcuts, part of the new Sleep experience. Learn more about how Wind Down works. Find out how you can build intents that expose features in your app like guided meditations,...

• WWDC 2020
• iOS, watchOS

You can now store car keys on iPhone or Apple Watch. You no longer have to bring your key fob to unlock and start your car. And with digital keys, it's easy to share them with family or friends, and manage keys remotely. This session is intended for automakers who want to adopt digital car...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover StoreKit Testing in Xcode — a local environment for testing your in-app purchases without needing to connect to App Store servers. We'll show you how to set up a test environment, create a StoreKit configuration file, and prepare to validate receipts locally. We'll also explain how to...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Explore the world of declarative-style programming: Discover how to build a fully-functioning SwiftUI app from scratch as we explain the benefits of writing declarative code and how SwiftUI and Xcode can combine forces to help you build great apps, faster.

• WWDC 2020
• watchOS

Time is of the essence: Discover how your Apple Watch complications can provide relevant information throughout the day and help people get the information they need, when they need it. Learn best practices for capitalizing on your app's runtime opportunities, incorporating APIs like background...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

The Apple Worldwide Developers Conference kicks off with exciting reveals, inspiration, and new opportunities to continue creating the most innovative apps in the world. Join the worldwide developer community for an in-depth look at the future of Apple platforms, directly from Apple Park.

• WWDC 2020
• iOS, macOS

Empower your organization with the right tools while protecting privacy and security. Discover Apple's identity management tools for enterprise, and how they can help you create a smoother experience for users when signing in to devices, apps and websites. We'll show you how to take advantage of...

• WWDC 2020
• iOS

Learn how to build lists and sidebars in your app with UICollectionView. Replace table view appearance while taking advantage of the full flexibility of compositional layout. Explore modular layout options and find out how they can unlock more design options for your apps than ever before. Find...

• WWDC 2020
• iOS, macOS

Explore how you can leverage the Natural Language framework to better analyze and understand text. Learn how to draw meaning from text using the framework's built-in word and sentence embeddings, and how to create your own custom embeddings for specific needs. We'll show you how to use samples...

• WWDC 2020
• iOS

When you design with accessibility in mind, you empower everyone to use your app. Discover how to create an adaptive interface for your app that takes a thoughtful approach to color, provides readable text, and accommodates other visual settings to maintain a great experience throughout. We've...

• WWDC 2020
• tvOS

Picture in Picture is coming to Apple TV: With simultaneous video playback and the ability to swap between full screen content and Picture in Picture, you've never had more multitasking flexibility within your tvOS app. Discover how you can add AVPictureInPictureController to your project,...

• WWDC 2020
• iOS, macOS

Fine-tune your audio app or plug-in for Apple silicon Macs: We'll show you how to register your realtime threads using Audio Workgroups and make your app sing. Learn more about the power efficiency of System on a Chip (SoC) and how you can take advantage of new APIs to improve the speed and sound...

• WWDC 2020
• iOS, macOS

Face ID and Touch ID provide a frictionless experience when logging in — and now you can use them on your websites in Safari with the Web Authentication API. Discover how to add this convenient and secure login alternative to your website.

• WWDC 2020
• iOS

The Nearby Interaction framework streams distance and direction between opted-in Apple devices containing the U1 chip. Discover how this powerful combination of hardware and software allow you to create intuitive spatial interactions based on the relative position of two or more devices. We'll...

• WWDC 2020
• macOS

When you create a Safari Web Extension, you can help people get common online tasks done more quickly and efficiently. We'll show you how to build a new Safari Web Extension and host it on the App Store, as well as how to use the safari-web-extension-converter tool to migrate existing extensions...

• WWDC 2020
• iOS

Scribble offers a lightweight, ergonomic, and enjoyable way of entering text on iPad with Apple Pencil. Discover how people can take advantage of Scribble and handwritten text in apps that use standard text input controls or that implement a custom text editing experience. You'll learn how it...

• WWDC 2020
• watchOS

Show off your watchOS app's complications and create a watch face worth sharing. Learn how to share watch faces inside your watchOS and iOS apps or host them on the web for anyone to find and download. We'll also explore best practices for using watch face preview images, and show you how to...

• WWDC 2020
• iOS, macOS

Meet WidgetKit: the best way to bring your app's most useful information directly to the home screen. We'll show you what makes a great widget and take a look at WidgetKit's features and functionality. Learn how to get started creating a widget, and find out how WidgetKit leverages the power of...

• WWDC 2020
• iOS

Let people select photos and videos to use in your app without requiring full Photo Library access. Discover how the PHPicker API for iOS and Mac Catalyst ensures privacy while providing your app the features you need. PHPicker is the modern replacement for UIImagePickerController. In addition...

• WWDC 2020
• iOS

Discover new techniques for configuring collection view and table view cells to quickly build dynamic interfaces in your app. Explore configuration types you can use to easily populate cells with content and apply common styles. Take advantage of powerful APIs to customize the appearance of cells...

• WWDC 2020
• macOS

Keep code out of the kernel and give your customers a more secure and reliable experience with accessories using DriverKit. Discover how to create low-level drivers that support PCI devices or SCSI controllers. And find out how you can achieve great performance with DriverKit on macOS Big Sur.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

It's been a jam-packed first day at WWDC, full of exciting news from the Keynote and Platforms State of the Union. We'll zoom through the highlights — and give you a sneak peek of what's coming tomorrow.

• WWDC 2020
• iOS, macOS

When you adopt the Account Authentication Modification Extension, you can provide people with fast, easy account security upgrades to use Sign in with Apple and strong passwords in the iCloud Keychain Password Manager. We'll show you how to add these upgrade flows to your app with the Account...

• WWDC 2020
• macOS

Apple silicon Macs are a transformative new platform for graphics-intensive apps — and we're going to show you how to fire up the GPU to create blazingly fast apps and games. Discover how to take advantage of Apple's unique Tile-Based Deferred Rendering (TBDR) GPU architecture within Apple...

• WWDC 2020
• iOS, macOS, tvOS

GPU counters can help you precisely measure GPU utilization to pinpoint bottlenecks and optimize workloads for your Metal apps and games. We'll walk you through the tools available in the Metal System Trace instrument and Metal Debugger in Xcode 12 to profile your graphics workload, and show you...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover Playlist Delta Updates, an HLS feature that optimizes the delivery of live streams with large playback windows and lots of metadata. We'll show you how Playlist Delta Updates can reduce overheard when producing live streams, provide higher-quality variants for people with slower...

• WWDC 2020
• iOS, macOS, tvOS

Explore how you can harness the processing power of Core Image and optimize video performance within your app. We'll show you how to build your Core Image pipeline for applying effects to your video in your apps: Discover how to reduce your app's memory footprint when using CIContext, and learn...

• WWDC 2020
• macOS

Discover how to tailor your Mac Catalyst app so that it looks and feels even more at home on the Mac by using the new “Optimize Interface for Mac” option in Xcode. Explore new layout and appearance options for Catalyst apps, and learn how they can provide you with graphical performance gains,...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Join the worldwide developer community for an in-depth look at the future of Apple platforms, directly from Apple Park.

• WWDC 2020
• macOS

Your porting questions, answered: Learn how to recompile your macOS app for Apple silicon Macs and build universal apps that launch faster, have better performance, and support the future of the platform. We'll show you how Xcode makes it simple to build a universal macOS binary and go through...

• WWDC 2020
• iOS

Stereo recording is a powerful way to deliver immersive sound to listeners, fans, and family — and your app can use the built-in microphones on iPhone or iPad to record it. Discover how AVAudioSession can help you capture stereo audio from a mobile device, address the new special consideration...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Blocking Playlist Reload is a required component of Low-Latency HLS that improves segment discovery time in live streams and addresses the common problem of stale playlists when delivering through an HTTP cache. Learn how to use Blocking Playlist Reload to reduce streaming latency and improve CDN...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Fine-tune your Objective-C headers to work beautifully in Swift. We'll show you how to take an unwieldy Objective-C framework and transform it into an API that feels right at home. Learn about the suite of annotations you can use to provide richer type information, more idiomatic names, and...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

SF Symbols make it easy to adopt high-quality, Apple-designed symbols created to look great with San Francisco, the system font for all Apple platforms. Discover how you can use SF Symbols in AppKit, UIKit, and SwiftUI. Learn how to work with SF Symbols in common design tools and how to use them...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Come with us as we delve into unsafe pointer types in Swift. Discover the requirements for each type and how to use it correctly. We'll discuss typed pointers, drop down to raw pointers, and finally circumvent pointer type safety entirely by binding memory. This session is a follow-up to...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

It's more important than ever to consider vulnerabilities and potential threats and recognize where you should apply safeguards in your app. Understand how to identify potential risks through threat modeling and how to avoid common anti-patterns. Learn coding techniques and how to take advantage...

• WWDC 2020
• iOS

AR Quick Look adds a new dimension to online shopping: We'll show you how to easily showcase your products in augmented reality for a "try before you buy" experience. Discover how to display a product banner in AR Quick Look, integrate Apple Pay, or display custom actions like "add to cart"...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Display detailed data in your SwiftUI apps more quickly and efficiently with improved stacks and new list and outline views. Now available on iOS and iPadOS for the first time, outlines are a new multi-platform tool for expressing hierarchical data that work alongside stacks and lists. Learn how...

• WWDC 2020
• iOS

App Clips are best when they provide an “in the moment” experience for people using them, like ordering your favorite refreshing beverage or paying for parking. We'll share guidelines and best practices for building focused and consistent App Clips, show you how to streamline transaction...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

When you use SwiftUI previews during development, you can quickly create apps that are more flexible and maintainable. Discover ways to improve the preview experience by making small tweaks to your project. Find out how to preview multiple files at once, how to manage data flow for previews, and...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Ever wondered which is more fun — filming in a hot tub or filming in a VR suit? The cast and creators of the Apple TV+ hit show Mythic Quest: Raven's Banquet answer questions from the Apple developer community. Join Rob McElhenney (executive producer/co-creator and Ian Grimm), Charlotte Nicdao...

• WWDC 2020
• iOS, macOS

When people use hardware keyboards with your app, they're not only getting a more tactile and familiar typing experience — they can quickly navigate or use keyboard shortcuts, too. Discover how you can best support hardware keyboards for your iPadOS and Mac Catalyst apps: We'll demystify the...

• WWDC 2020
• iOS, macOS

Local network privacy provides added transparency when apps connect to devices on a person's home network. If your app interacts with devices using Bonjour or other local networking protocols, you must add support for local network privacy permissions in iOS 14. Learn more about the new...

• WWDC 2020
• tvOS

Share your living room — not your Apple TV apps. When you support profiles within your app, you can customize your experience for each person who uses Apple TV within the same house. Discover how the “Runs as Current User” feature lets someone interact with your app, download local content, and...

• WWDC 2020
• iOS

iOS and iPadOS provide powerful capabilities to help developers deliver breakthrough apps and games across all device generations. In certain instances, however, demanding apps with exceptional performance requirements may only be able to provide the best experience on devices with an A12 Bionic...

• WWDC 2020
• iOS, macOS

Swift Playgrounds presents "Swan's Quest,” an interactive adventure in four chapters for all ages. In this chapter, our Hero must navigate a dark cave — and the only way to light the torches is to make them accessible. Learn about VoiceOver and write interesting audio descriptions. You just...

• WWDC 2020
• iOS, macOS

Swift Playgrounds presents "Swan's Quest,” an interactive adventure in four chapters for all ages. In this chapter, our Hero needs your help decoding the Swan's scroll. Call forth the best of your audio abilities on this one — you're going to need them. Discover how to convert Swift...

• WWDC 2020
• iOS, macOS

Swift Playgrounds presents "Swan's Quest,” an interactive adventure in four chapters for all ages. Calling all musicians! In this chapter, our Hero has found a mysterious scroll of music, and only you can help decode it. (Don't worry if you can't read music, our clever Lizard is standing by to...

• WWDC 2020
• iOS, macOS

Swift Playgrounds presents "Swan's Quest,” an interactive adventure in four chapters for all ages. It's time for the grand finale: You've honed your skills with tones, but in this chapter our Hero needs to sequence multi-part harmony. Discover how to play pitched instruments with MIDI codes,...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Bring your resources along for the ride when you organize and share code using Swift packages. Discover how to include assets like images and storyboards in a package and how to access them from code. And learn how to add localized strings to make your code accessible to people around the world...

• WWDC 2020
• iOS, macOS

Discover how Core Data can help you adopt the CloudKit public database in your app with as little as one line of code. Learn how to easily manage the flow of data through your app and in and out of CloudKit. We'll show you how to combine the complementary power of Core Data and the CloudKit...

• WWDC 2020
• iOS, watchOS

HealthKit provides you the tools to smartly manage health data anywhere, whether across multiple HealthKit-enabled devices such as iPhone and Apple Watch or with an external server to share data across a care team. In this session, we'll dive into managing data versions via HealthKit's built-in...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Apple's social gaming network is ready to play. We'll walk you through the latest updates to Game Center, starting with its in-game interface and all-new player experience. Learn how to integrate GameKit into your app and authenticate players effectively, and discover the Access Point, which...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Level up your Game Center integration and enable players to compare scores on leaderboards, earn valuable achievements, and engage with other players. Organize special events like weekly championships, daily showdowns, or 1-hour competitions using recurring leaderboards. Create up to 100 unique...

• WWDC 2020
• iOS, macOS

Help people get the most out of your app with push notifications for important events and updates — and by delivering up-to-date data in the background, so that it is ready when they open your app. Discover how you can use notifications and alert people to timely and relevant information. Learn...

• WWDC 2020
• iOS, macOS

Reality Converter and Reality Composer make preparing augmented reality assets for your iOS or iPadOS app easier than ever. Discover how you can convert existing 3D assets into USDZ, bring them into Reality Composer to create AR experiences, and integrate with an existing Xcode project or export...

• WWDC 2020
• iOS, macOS, tvOS

Learn how to achieve exceptional typography in your app's user interface that enhances legibility, accessibility, and consistency across Apple platforms. Get up to speed on the latest advancements to the San Francisco font family including the move to variable fonts for accommodating optical...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Join us as we surprise the 2020 winners of the Apple Design Awards. The Apple Design Awards recognize excellence in design and innovation for apps and games across all of Apple's platforms.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Just one more day to go for WWDC20. We've got the best of the day for you right here — and a quick look at what's coming on our final day of WWDC.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Put your test failures to work: Learn how to triage and diagnose uncaught issues in your app using the latest testing APIs in Xcode. We'll show you how to help ease your testing workflow and put failures into context to help you deliver the best quality product. For more information on...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Tuesday's come and gone, but we've got you covered: Check out the best of the sessions released today and check out what's coming next.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

What exactly makes code “unsafe”? Join the Swift team as we take a look at the programming language's safety precautions — and when you might need to reach for unsafe operations. We'll take a look at APIs that can cause unexpected states if not used correctly, and how you can write code more...

• WWDC 2020
• macOS

Serverless functions are increasingly becoming popular for running event-driven or otherwise ad-hoc compute tasks in the cloud, allowing developers to more easily scale and control compute costs. Discover how to use the new Swift AWS Lambda Runtime package to build serverless functions in Swift,...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover how to deploy Core ML models outside of your app binary, giving you greater flexibility and control when bringing machine learning features to your app. And learn how Core ML Model Deployment enables you to deliver revised models to your app without requiring an app update. We'll also...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Help your apps be the best versions of themselves: Discover how you can leverage Xcode Previews and SwiftUI to quickly iterate upon and improve your app. Find out how you can use the Previews canvas to build your app from the ground up, and view your interface in different environments like Light...

• WWDC 2020
• iOS

Discover how you can integrate custom rotors and help people who use VoiceOver navigate complex situations within your app. Learn how custom rotors can help people explore even the most intricate interfaces, explore how to implement a custom rotor, and find out how rotors can improve navigation...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

What a Wednesday! Let us catch you up on the day's sessions and find out what you can expect from the day ahead.

• WWDC 2020
• iOS, macOS, watchOS

Explore the latest features and improvements for Safari and WebKit. We'll walk you through updated web APIs, CSS and media features, JavaScript syntax, and more to help you build great experiences for people when they use your website, home screen web apps, or embedded WebKit views.

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Discover the latest improvements to App Store Connect, your suite of tools to upload, submit, and manage apps on the App Store. Learn about enhancements to the App Store Connect API, in-app purchase and subscriptions, Game Center, and more.

• WWDC 2020
• iOS, macOS, watchOS

Build feature-rich research and care apps with CareKit: Learn about the latest advancements to our health framework, including new views for its modular architecture, improvements to the data store, and tighter integration with other frameworks on iOS. And discover how the open-source community...

• WWDC 2020
• iOS

The ClassKit framework helps you surface educational activities within your app to teachers through the Schoolwork app. Discover how to provide a richer assignment experience for students and teachers through enhanced metadata properties and progress reporting. We'll also show you how the new...

• WWDC 2020
• iOS

Core NFC helps you scan and write to NFC tags in your apps, helping people get more from objects like parking meters, scooter rentals, car charging stations, and more. Learn about Core NFC's support for the ISO15693 protocol and new tag capabilities, and find out more about syntax improvements...

• WWDC 2020
• iOS, watchOS

HealthKit is an essential framework that integrates first- and third-party health and fitness data to help people manage their personal health information. Learn about HealthKit's latest updates, which provide read access to electrocardiograms on Apple Watch and log and track over a dozen new...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Apple has added Low-Latency extensions to the HTTP Live Streaming protocol that combine the quality and scalability of HLS with a stream delay of two seconds or less. Learn about the most recent developments in LL-HLS and how it allows you to make your video delivery competitive with broadcast...

• WWDC 2020
• macOS

Discover the latest updates to Mac Catalyst and find out how you can bring your iPadOS app to the Mac. Explore enhancements to the application lifecycle, integrate new extensions into your apps, and learn how the new look and feel of macOS impacts Mac Catalyst apps. Get a taste of the new...

• WWDC 2020
• iOS

Quickly detect power and performance regressions and troubleshoot app issues when you adopt MetricKit. Discover the latest trackable metrics for your app, including CPU instructions, animation hitches, and exit reasons. And learn about diagnostics in MetricKit that can help you troubleshoot...

• WWDC 2020
• iOS

PencilKit helps power creativity, writing, drawing, and animation in your iPad apps. Explore the latest improvements to our drawing and annotation framework, and discover how you can take advantage of APIs like PKToolPicker, PKCanvasView, and PKStroke to support new features in illustration and...

• WWDC 2020
• iOS, macOS

RealityKit is Apple's rendering, animation, physics, and audio engine built from the ground up for augmented reality: It reimagines the traditional 3D renderer to make it easy for developers to prototype and produce high-quality AR experiences. Learn how to effectively implement each of the...

• WWDC 2020
• iOS, macOS, watchOS

ResearchKit continues to simplify how developers build research and care apps. Explore how the latest ResearchKit updates expand the boundaries of data researchers can collect. Learn about features like enhanced onboarding, extended options for surveys, and new active tasks. Discover how Apple...

• WWDC 2020
• iOS, watchOS

Get a quick overview of everything new in Siri and Shortcuts to help people get more out of your app: We'll demonstrate how you can design visually rich conversations, feel at home with the operating system by designing for the new compact Siri UI, and provide an overview of all the ways we've...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Join us for an update on Swift. Discover the latest advancements in runtime performance, along with improvements to the developer experience that make your code faster to read, edit, and debug. Find out how to take advantage of new language features like multiple trailing closures. Learn about...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

SwiftUI can help you build better and more powerful apps for iPhone, iPad, Mac, Apple Watch, and Apple TV. Learn more about the latest refinements to SwiftUI, including interface improvements like outlines, grids, and toolbars. Take advantage of SwiftUI's enhanced support across Apple frameworks...

• WWDC 2020
• iOS, macOS

Discover proposed schema and structure updates to the Universal Scene Description (USD) standard. Learn how you can use Reality Composer to build AR content with interactive properties like anchoring, physics, behaviors, 3D text, and spatial audio that exports to USDZ. And, discover streamlined...

• WWDC 2020
• iOS, macOS, watchOS

Universal Links help people access your content, whether or not they have your app installed. Get the details on the latest updates for the Universal Links API, including support for Apple Watch and SwiftUI. Learn how you can reduce the size and complexity of your app-site-association file with...

• WWDC 2020
• iOS, macOS, watchOS

Apple Pay makes it simple to pay for goods and services in your app and on your website. Discover how you can integrate API updates like context-specific button types, contact data formatting, and cross-platform support to make the service more effective for you and people using it. And, if...

• WWDC 2020
• iOS, macOS, tvOS

The Web Inspector makes introspection and debugging simpler than ever. Discover how you can use debugger stepping, editing cookies, and overriding network loaded resources to provide you with powerful development capabilities and help you create faster, more efficient websites.

• WWDC 2020
• iOS, macOS

It's now easier than ever to deliver academic tests on the Mac. Learn how education developers can leverage the Automatic Assessment Configuration framework for iPhone, iPad, and Mac to deliver tests and assess students across all devices. And discover how developers can enable restricted...

• WWDC 2020
• iOS, macOS

For over 40 years, Apple has been working with educators to create technologies for students, teachers, and school administrators and help them share in a rich and meaningful learning experience. Explore the breadth of Apple's education technologies, including classroom management apps and tools...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Location technologies are core to delivering context-based services within your app. Discover how the latest privacy controls in Core Location add a whole new dimension to determining position and what that means for your app. We'll walk you through best practices for implementing these latest...

• WWDC 2020
• iOS, macOS, tvOS

We've made significant strides in bringing crucial device management features to macOS. Discover how these features can help you manage your all your devices using the same tools and technologies. Get details on changes coming this year and how they will impact your deployment workflows, as well...

• WWDC 2020
• watchOS

Deliver a smooth streaming audio experience straight to the wrist. We'll talk about some of the new things for building great streaming apps unique to Apple Watch. Learn how to integrate more audio formats, deliver streams more efficiently through new codecs, and add encrypted content to expand...

• WWDC 2020
• watchOS

Great watchOS apps are simple and direct. Actions should be discoverable, predictable and relevant. This session covers effective strategies for displaying actions in your watchOS app, whether they are primary buttons that begin core tasks, or contextual actions that might be less commonly used...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Create a great in-app purchase experience for your iPhone, iPad, Mac, and Apple Watch apps. Discover how to handle refunds, integrate new App Store server notifications, and find out how to use receipts and server notifications to manage subscriber status. We'll also walk you through the latest...

• WWDC 2020
• iOS, macOS

Put on your detective's hat: It's time to track down those unruly app terminations. We'll outline the six major reasons apps terminate in the background, and show you how you can use MetricKit to to help you identify key statistics to drive down the rate of terminations. Learn how to prevent...

• WWDC 2020
• iOS, macOS

Take your app on a most wondrous adventure to the home and Today screens of iPhone, iPad, and Mac. Grab the starter project and code along with us! We will guide you through the process of creating a widget for your app from start to finish so that you can provide people with beautiful views and...

• WWDC 2020
• iOS, macOS

Our code-along continues as we help our widget rewrite the future and travel into an alternate timeline. Continue where you left off from Part 1, or traverse time and space and begin with the Part 2 starter project to jump right into the action. Find out how you can integrate system intelligence...

• WWDC 2020
• iOS, macOS

Take your widget to the next level as we embark upon the third and final stage of the widgets code-along. Pick up where you left off in Part 2 or start with the Part 3 starter project to go warp speed ahead. We'll explore advanced concepts for widgets, timelines, and configuration. Learn how to...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Plan for failure: Design great tests to help you find and diagnose even the toughest bugs. Learn how to improve your automated tests with XCTest to find hidden issues in even the best code. We'll explain how to prepare your tests for failure to make triaging issues easier, letting you solve...

• WWDC 2020
• iOS, macOS, tvOS, watchOS

Get the test results that matter — and skip the ones that don't. Discover how you can implement XCTSkip to conditionally avoid tests at runtime. We'll take you through how to return this new test result and better document tests beyond pass and fail within your test bundle. To get the most out...

• WWDC 2020
• iOS, macOS

Apple silicon Macs can run many iPad and iPhone apps as-is, and these apps will be made available to users on the Mac through the Mac App Store. Discover how iPad and iPhone apps run on Apple silicon Macs, and the factors that make your apps come across better. Learn how to test your app for the...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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,...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, macOS, tvOS, watchOS

Apple's open source toolset, Turi Create, recently added tasks for Core ML model creation including Drawing Classification and One-Shot Object Detection. Learn how to quickly use these capabilities in your apps as well as new techniques for visualizing and evaluating the performance of your...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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,...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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,...

• WWDC 2019
• iOS, macOS, tvOS, watchOS

WWDC 2019 Keynote

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, macOS, tvOS, watchOS

WWDC 2019 Platforms State of the Union

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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.

• WWDC 2019
• iOS

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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS

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.

• WWDC 2019
• iOS, 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...

• WWDC 2019
• iOS, 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...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Turi Create is an open source toolset for creating Core ML models, for tasks such as image classification, object detection, style transfers, recommendations, and more. Learn how you can use Turi Create to build models for your apps.

• WWDC 2018
• iOS

UICollectionView is a flexible, powerful tool to help you achieve great user experiences in your applications. Hear how you can leverage these rich APIs to rapidly move from initial design ideas to polished shipping applications. Topics range from getting started to advanced update animations and...

• WWDC 2018
• iOS, tvOS

AVContentKeySession allows for the management of FairPlay content decryption keys for HTTP Live Streaming. It offers a simplified key loading process that provides applications with control over the lifecycle of content keys, and features such as dual-expiry keys for offline movie rentals. Learn...

• WWDC 2018
• iOS

Speech can enhance the audio experience of your app, whether you are generating spoken feedback for accessibility, or providing critical information beyond simple alerts or notifications. AVSpeechSynthesizer produces synthesized speech from text and allows you to control and monitor the progress...

• WWDC 2018
• iOS

Drag and Drop is a powerful API that allows apps to share and communicate data. No matter how you decide to implement Drag and Drop, there's a way to make it work for people with accessibility needs. Learn the details as we dive into accessible Drag and Drop for iOS.

• WWDC 2018
• iOS, watchOS

HealthKit provides a consolidated repository for a variety of data including health records containing information such as lab results, immunizations, and medications downloaded directly from institutions. Discover new health records classes and types created to provide easy access to high-level...

• WWDC 2018
• iOS

iOS contains powerful technologies you can use to make your app truly delightful. Learn how to take your app to the next level with easy-to-implement features such as Handoff and External Display support. Preserve that feeling of magic in your app with pro-tips that combine animations, gestures...

• WWDC 2018
• macOS

Step deeper into Dark Mode adoption in your macOS application. Learn about the powerful Cocoa technologies at the core of Dark Mode, and take a detailed look at the APIs and best practices for adapting to this beautiful new look.

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Discover advanced techniques, and tips and tricks for enhancing your Xcode debugging workflows. Learn how to take advantage of LLDB and custom breakpoints for more powerful debugging. Get the most out of Xcode's view debugging tools to solve UI issues in your app more efficiently.

• WWDC 2018
• iOS

HealthKit, CoreMotion, and other iOS frameworks combined with the ResearchKit and CareKit open-source projects, provide a deep platform for the creation of game-changing apps for care teams, researchers, and the medical community. Discover new active tasks that leverage calibrated device data and...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Join us for an unforgettable award ceremony celebrating developers and their outstanding work. The 2018 Apple Design Awards recognize state of the art iOS, macOS, watchOS, and tvOS apps that reflect excellence in design and innovation.

• WWDC 2018
• iOS

Make your apps even more powerful and expressive with Apple Pencil. Learn Apple Pencil design best practices such as correctly balancing touch and pencil interactions, fully harnessing Apple Pencil sensors, and creating more efficient and natural user flows.

• WWDC 2018
• iOS, macOS, tvOS

Passwords and security codes are a modern necessity required for security and privacy. iOS 12 eases the tedious aspects of account setup and sign-in by automatically suggesting and using strong, unique passwords — even from within apps — and by bringing one-time codes to the QuickType bar so...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

The new App Store Connect API provides a familiar and highly readable REST API designed to facilitate the automation of many tasks you would typically perform through the Apple Developer website and the App Store Connect browser interfaces. Learn how this API allows you to manage your apps and...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Ever wonder what happens when you build your project in Xcode? Learn how Xcode automates the steps required to build an application, and go behind the scenes to learn how clang, swiftc, and the linker work together to turn your source code into a working program.

• WWDC 2018
• iOS, macOS, tvOS

Learn about the latest updates in StoreKit, including offering introductory pricing for subscriptions, requesting ratings and reviews, promoting your in-app purchases within the App Store, and developing in the sandbox environment. Dive deep into best practices for processing transactions and...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

At Apple, we believe in building products with both great features and great privacy. Learn how to apply privacy engineering techniques to your apps so you can build trust with users to unlock better experiences and engagement. And find out how new privacy features can benefit you and your users.

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Build your apps faster in Xcode 10. Learn how to structure your projects and tweak your code to take full advantage of all processor cores. Whether you've made a few small code changes you want to give a try, or you're building your full app for release, these techniques will cut the time it...

• WWDC 2018
• iOS, watchOS

Siri Shortcuts are a great way to help people execute actions or get information from your app, but shortcuts can be made even more powerful by adding them to Siri to be used with a simple phrase. Learn how you can now customize responses from Siri and add custom UI to make a great shortcuts...

• WWDC 2018
• iOS

Learn how to update your audio or navigation app to support CarPlay. Apps in CarPlay are optimized for use in the car, and automatically adapt to available vehicle screens and input controls. Audio apps can deliver music, news, podcasts, and more. With the new CarPlay framework, Navigation apps...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

As your app gains more customers and becomes more feature-rich, you may find yourself with new problems to solve. Core Data is a powerful tool that has changed a lot over the years. Learn about the new best practices in Core Data, such as how to use concurrency and persistent history, and...

• WWDC 2018
• iOS, macOS

Core Image is the essential framework for handling image processing tasks in your photo and video apps. In this session, we'll explore new additions to the framework that allow you to achieve great performance in your filter chains and custom CIKernels. We'll also demo a new approach to...

• WWDC 2018
• iOS

Swift Playgrounds is a revolutionary iPad app to teach coding with the powerful Swift programming language. Learn how to create your own content for Swift Playgrounds using the new template, and find out how to use the subscription format to host your own feed online for others to access.

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Common assumptions can break when your app is used by a global audience. Learn about the many aspects of creating apps for different regions and languages. Understand how to use fonts and typography, layout techniques, and support text input so your app shines in all languages.

• WWDC 2018
• watchOS

Apps in watchOS 5 have control over audio playback like never before. With a full-fledged background mode for local audio playback using AVFoundation, people can listen to content on the go right from Apple Watch. Learn how to use the new volume control and how to respond to MediaRemote...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Understand how custom instruments are useful and when they should be used. Get an in-depth view of the architecture of custom instruments and how to create them. Understand the attributes of a good instrument. Dive into advanced modeling and how to use the CLIPS language.

• WWDC 2018
• iOS

Engaging AR experiences are easy to start and navigate, persuasively realistic, and highly immersive. Learn best practices for successfully bringing people into an AR experience, teaching them about how to interact and engage with virtual content, and making your AR content look beautiful and...

• WWDC 2018
• iOS

The TrueDepth camera in the iPhone X streams high-quality depth data in real time allowing you to enhance your photo and video apps in fun and creative ways. Dive deep into the principles and best practices for working with depth data, learn how to use the new Portrait Segmentation API for still...

• WWDC 2018
• iOS, macOS

A lot can go wrong when loading data into your app. Whether you work directly with JSON and property lists, or with higher-level APIs such as NSCoding and Codable, learn how to defend your customers and secure your code against invalid or malicious data. Avoid fatal assumptions by validating...

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Go beyond the basics and create apps with an exceptional accessibility experience. Learn how to design elements that appear in your app for maximum clarity and accessibility. Discover how to enhance the way users interact with your app even when presenting custom views, or drawing complex UI.

• WWDC 2018
• iOS, macOS, tvOS, watchOS

Discover the techniques used to create the fluid gestural interface of iPhone X. Learn how to design with gestures and motion that feel intuitive and natural, making your app a delight to use.

• WWDC 2018
• iOS, macOS, watchOS