All Videos

• Tech Talks
• iOS, macOS, tvOS, watchOS

Discover how you can complement existing offer codes campaigns with custom, repeatable codes to provide even more flexibility to acquire and retain subscribers. We'll take you through the latest enhancements to offer codes, provide engineering guidance, explore best practices, and show you how to...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Learn how you can acquire subscribers and grow your business using App Store features. We'll explore subscriber acquisition strategies, share implementation best practices, and show you how to integrate these processes into your app for success.

• Tech Talks
• iOS, macOS

Discover a new way you can distribute apps to limited audiences on the App Store. We'll take you through the differences between using unlisted distribution and standard distribution on the App Store, show you how to share apps with a direct link, and more.

• Tech Talks
• macOS

Discover the latest platform changes for deploying macOS Monterey in your business or education organization. Learn about changes to initial enrollment, ongoing management, and return to service including managing software updates and the new Erase All Content and Settings feature for macOS.

• Tech Talks
• iOS, macOS, tvOS, watchOS

Help make your App Store product page even more relevant and effective with product page optimization. We'll explore details of the feature, take you through the setup process in App Store Connect including how to test different app icons, screenshots and app previews, and share testing...

• Tech Talks
• iOS, macOS

Safari web extensions for iOS use standard web technologies to provide powerful browser customizations. Learn how you can build an extension that works for iPhone and iPad, and discover how you can publish your extension on the App Store.

• Tech Talks
• iOS, macOS, tvOS, watchOS

Learn how you can create additional versions of your App Store product page and showcase different features or content within your app. We'll explore how you can create pages for a specific aspect of your app or a specific audience, show you how to set it up in App Store Connect, and highlight...

• Tech Talks
• iOS

Discover the latest platform changes for deploying iOS 15 and iPadOS 15 in your business or education organization. Learn about deploying both organization-owned and personally-owned iPhone and iPad devices. Explore fundamentals and new updates for deployment workflows including enrollment,...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Discover how apps can use CloudKit to share records with others. We'll show you how to encourage collaboration between people using your app and support those interactions with Apple frameworks. Learn how to create and manage shares, explore sharing options like public permissions, and find out...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Discover how you can highlight your app or game's content on the App Store. We'll take you through the in-app events feature and provide recommendations, tips, and best practices for helping people discover content or events within your app.

• Tech Talks
• macOS

Discover how you can take advantage of Metal compute on the latest MacBook Pro. Learn the fundamental principles of high-performance Metal compute and find out how you can take advantage of the framework to create better workflows for your development process and even better apps for creative pros.

• Tech Talks
• macOS

Graphically-intensive games can be very demanding on hardware resources, requiring hundreds or even thousands of CPU jobs to be processed every frame. We'll show you how you can organize those jobs to maximize CPU efficiency and performance on the M1, M1 Pro, and M1 Max chips. Learn how you can...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Discover how you can use StoreKit 2, App Store Server API, and App Store Server Notifications to create great in-app purchase experiences for your customers and offer support and refunds. We'll explore implementation approaches, provide best practices and take you through customer management and...

• Tech Talks
• iOS, macOS

Discover how you can use the TabularData framework to load, explore, and manipulate unstructured data in Swift — whether you need to pre-process data for a machine learning task or digest data on-the-fly in your app. Learn how this framework can help you handle large datasets, join multiple...

• Tech Talks
• iOS, macOS, tvOS, watchOS

Prepare your app for review with these tips from the App Review team. Learn how to prevent the most common issues and discover best practices for an easy and straightforward review experience.

• Tech Talks
• watchOS

Apple Watch Series 7 introduces new device sizes and a display that features a subtle wraparound effect. Learn how you can adapt your watchOS app design to look great on all screen sizes: We'll show you how to take advantage of a larger content area, create clearer hierarchy using color and...

• Tech Talks
• iOS, macOS

Discover how you can elevate your apps and games with Metal and the A15 Bionic. We'll help you take advantage of Apple GPU family 8 with the latest Metal features: Learn how to save memory with Lossy Compression, dive into complex shadow mapping techniques with Sparse Depth and Stencil Textures,...

• Tech Talks
• iOS, macOS

Discover the latest on the platform changes in macOS Big Sur and Mac computers with the Apple M1 chip, including features available in macOS Big Sur 11.3. Learn about macOS Big Sur management capabilities and strategies for deploying in business and education. Hear about changes to deployment...

• Tech Talks
• iOS

Subscription offer codes can help you acquire, retain, and win back subscribers as you grow your business. Learn about configuration options, creating a great experience, and measuring redemptions. We'll explore how to set up customer eligibility, territory, price, and expiration in App Store...

• Tech Talks
• iOS, macOS

Family Sharing for in-app purchases lets people share their auto-renewable subscriptions and non-consumables with up to five additional family members, helping you attract new subscribers, increase user engagement, and improve retention. We'll review how to enable in App Store Connect and provide...

• 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

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, 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, 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
• 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
• 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
• 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
• 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
• 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

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

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, 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

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

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, 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
• 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
• 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

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

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
• 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 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
• 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

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, 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

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
• 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
• 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, 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

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

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
• 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
• 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

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
• 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

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

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

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

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
• 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
• 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, 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

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
• 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
• 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...

• 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

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

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...

• WWDC21

It's time to say adieu to the week, and what a week it was! Tune in as we recap Friday and close out WWDC21.

• WWDC21

How do you approach creating apps for everyone? Learn from developers who are blind or deaf themselves as they discuss the process of making technology accessible. Discover how their unique perspectives have sparked innovation at their companies and helped make their apps even more inclusive.

• WWDC21
• macOS

Create SharePlay experiences that people can enjoy on the web and in your companion app. Learn how you can use the Group Activities framework in combination with a companion website to bring SharePlay to Safari, letting people connect with each other for enjoyable group interactions — even if...

• WWDC21
• iOS, macOS, tvOS, watchOS

Some problems are easier to solve by creating a customized programming language, or “domain-specific language.” While creating a DSL traditionally requires writing your own compiler, you can instead use result builders with Swift 5.4 to make your code both easier to read and maintain. We'll take...

• WWDC21
• iOS, macOS

Discover how to achieve smooth screen updates on all Apple platforms that support dynamic display timing. Learn techniques for pacing full-screen game updates on Adaptive Sync displays in macOS, and find out how Low Power Mode and other system states affect frame rate availability on ProMotion...

• WWDC21
• iOS

Learn how ResearchKit and CareKit can work together to take the tedium out of paper surveys. Join us for the last part of our code along as we put the finishing touches on our care pilot app. Explore how you can use advanced CareKit APIs to customize the appearance and behavior of task cards,...

• WWDC21
• iOS, macOS

Discover how you can cross-reference Apple Music content within your app using the Apple Music API. We'll show you how to reference content across different geographical regions, map explicit to clean-equivalent content, fetch catalog and library relationships, and how to match content using the...

• WWDC21
• iOS

Learn how ResearchKit and CareKit can work together to take the tedium out of paper surveys. Continue coding along with us and explore how you can make it easier than ever to schedule surveys for your study participants. You'll also learn advanced techniques for crafting evolving regiments in...

• WWDC21
• iOS, macOS, tvOS

Discover how to use App Attest and DeviceCheck, Apple's powerful anti-fraud tools, created to safeguard your apps and content. Unlock the secrets of deploying App Attest by incorporating it into your app to block unauthorized modifications of your app and content. We'll also show you how to use...

• WWDC21
• iOS, macOS, tvOS, watchOS

The web is changing, and the next major version of HTTP is here. Learn how HTTP/3 reduces latency and improves reliability for your app and discover how its underlying transport, QUIC, unlocks new innovations in your own custom protocols using new transport functionality and multi-streaming...

• WWDC21
• iOS, macOS, tvOS, watchOS

When you localize the text within your app, you can help make your app more accessible to a worldwide audience. Discover best practices for building your localization workflow, including how to write and format strings accurately, and learn how to prepare strings for localization in different...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how Xcode can automatically track down infinite loops, unused code, and other issues before you even run your app. Learn how, with a single click, Xcode can analyze your project to discover security issues, logical bugs, and other hard-to-spot errors in Objective-C, C, and C++. We'll...

• WWDC21
• iOS, macOS, tvOS, watchOS

CPU performance and network throughput rates keep improving, but the speed of light is one limit that isn't going any higher. Learn the APIs and best practices to maximize your app's responsiveness and efficiency by keeping network round-trip times low and minimizing the number of round trips...

• WWDC21
• iOS

Discover how you can deliver rich app experiences that include animation, sound, and haptics on iPhone. Learn key concepts for designing multimodal experiences within the Core Haptics framework. We'll take you through our sample HapticRicochet app — where haptic and sound feedback is designed in...

• WWDC21
• iOS, macOS, tvOS, watchOS

Bring the power of machine learning directly to your apps with Core ML. Discover how you can take advantage of the CPU, GPU, and Neural Engine to provide maximum performance while remaining on device and protecting privacy. Explore MLShapedArray, which makes it easy to work with multi-dimensional...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how to keep your accounts, apps, and content protected. We'll explore the tools Apple has built to help developers keep their apps and systems safe and secure, and show you how to safeguard against attackers, bad actors and nefarious activity to help protect your ecosystem.

• WWDC21
• iOS, macOS

Learn how to present complex data through VoiceOver with the Accessibility Custom Content API. Discover how you can deliver accessibility information in a concise form, and only when someone wants it. We'll show you how you can integrate AXCustomContent and help people who want VoiceOver enabled...

• WWDC21
• macOS

Join us for part two of our Code-Along series as we use SwiftUI to build a Mac app from start to finish. The journey continues as we explore how our sample gardening app can adapt to a person's preferences and specific workflows. Learn how SwiftUI apps can automatically react to system settings,...

• WWDC21
• iOS

5G enables new opportunities for your app or game through better performance for data transfer, higher bandwidth, lower latency, and much more. Discover how you can take advantage of the latest networking technology and Apple hardware to create adaptive experiences for your content that best suit...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how to easily build apps that share data between multiple iCloud users with NSPersistentCloudKitContainer. Discover how to create informative experiences around shared data and learn about the CloudKit technologies that support these features in Core Data. To get the most out of this...

• WWDC21
• iOS, macOS

Discover the flexibility, versatility and power of Pixar's Universal Scene Description (USD) for your 3D workflows. Learn how you can use the USD file format in your professional workflows for macOS: Scan 3D models of your real-world objects using Object Capture, utilize the potential of...

• WWDC21
• iOS, macOS

Metal Performance Shaders Graph is a compute engine that helps you build, compile, and execute customized multidimensional graphs for linear algebra, machine learning, computer vision, and image processing. Discover how MPSGraph can accelerate the popular TensorFlow platform through a Metal...

• WWDC21
• iOS

Learn how ResearchKit and CareKit can work together to take the tedium out of paper surveys. Code along with us and build a working care pilot app. Explore best practices for onboarding and consent with ResearchKit, and find out how your app can require participants to sign consent documents by...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how CloudKit Console can help you better interact with your containers. We'll show you how to put the database app to work and define, modify, and deploy schema changes with confidence. You'll learn how to craft queries in the query builder and filter your records with ease. And we'll...

• WWDC21
• iOS, macOS, tvOS

Recurring leaderboards are a great way to encourage players to keep coming back to your game. Code along with us as we take you through how to set up a recurring leaderboard, both within App Store Connect and in your game itself. For a refresher on the differences between recurring and classic...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn about the basics of object lifetimes and ARC in Swift. Dive deep into what language features make object lifetimes observable, consequences of relying on observed object lifetimes and some safe techniques to fix them.

• WWDC21
• iOS, macOS, tvOS, watchOS

Breakpoints can help you debug issues by allowing you to pause and inspect problems in the middle of a process. Discover the latest improvements to breakpoints in Xcode including column and unresolved breakpoints. We'll also go over best practices for general breakpoints and LLDB tips and tricks.

• WWDC21
• iOS, macOS, tvOS, watchOS

The Accelerate framework helps you make large-scale mathematical computations and image calculations that are optimized for high-performance, low-energy consumption. Explore the latest updates to Accelerate and its Basic Neural Network Subroutines library, including additional layers, activation...

• WWDC21
• iOS, macOS

Meet Safari 15: redesigned and ready to help people explore the web. Discover how you can approach designing websites and apps for Safari, and learn how to incorporate the tab bar in your designs. We'll also take you through features like Live Text and accessibility best practices, explore the...

• WWDC21
• iOS, macOS, tvOS, watchOS

Working with more complex Xcode projects? You've come to the right place. Discover how you can configure your project to build for multiple Apple platforms, filter content per-platform, create custom build rules and file dependencies, and more. We'll take you through multi-platform framework...

• WWDC21
• macOS

Code along with us as we use SwiftUI to build a Mac app from start to finish. Discover four principles all great Mac apps have in common, and learn how to apply those principles in practice using SwiftUI. We'll show you how to create a powerful, flexible sidebar experience and transform lists to...

• WWDC21

Where did the WWDC week go? We'll tell you: Check out everything you missed on Thursday and tune in for a quick preview of our final day at Dub Dub.

• WWDC21
• iOS, macOS, tvOS, watchOS

The Apple Design Awards honors excellence in innovation, ingenuity, and technical achievement in app and game design. Watch along as we reveal and celebrate the 2021 winners.

• WWDC21
• iOS, macOS, tvOS, watchOS

The Apple Design Awards honors excellence in innovation, ingenuity, and technical achievement in app and game design. Watch along as we reveal and celebrate the 2021 winners. This version includes American Sign Language (ASL) interpretation.

• WWDC21

Dan Harris is an Emmy Award-winning journalist and the co-anchor of ABC's weekend editions of Good Morning America. After having a nationally-televised panic attack in 2004, he found himself on a long and often bizarre journey that ended with him discovering mindfulness meditation. Dan will share...

• WWDC21
• iOS, macOS, tvOS, watchOS

App Analytics helps you maximize your opportunity on the App Store by providing privacy-friendly insights about your app. Learn about four new ways to grow your business, including information about custom product pages, in-app events, product page optimization, and new metrics about transactions...

• WWDC21
• iOS, macOS

Discover how you can understand and diagnose memory performance problems with Xcode. We'll take you through the latest updates to Xcode's tools, explore Metrics, check out the memgraph collection feature in XCTest, and learn how to catch regressions using a Performance XCTest.

• WWDC21
• iOS, watchOS

Discover the principles for creating intuitive physical interactions between two or more devices, as demonstrated by Apple designers who worked on features for iPhone, HomePod mini, and AirTag. Explore how you can apply these patterns to your own app when designing features for Apple platforms,...

• WWDC21
• iOS

iPhone and iPad support numerous input modes for those with motor impairments, including touch interaction modification, Switch Control, and Full Keyboard Access. We'll explore how people can interact with their devices solely through keyboard input, working through a real-life example to...

• WWDC21
• iOS, macOS

Develop in JavaScript, WebGL, or WebAssembly? Learn how the latest updates to Safari and WebKit — including language changes to class syntax — can help simplify your development process, enhance performance, and improve security. We'll explore several web APIs that can help provide better...

• WWDC21
• iOS, macOS, tvOS, watchOS

Testing is a crucial part of building a great app: Great tests can help you track down important issues before release, improve your workflow, and provide a quality experience upon release. For issues that can't be immediately resolved, however, XCTest can help provide better context around those...

• WWDC21
• iOS, macOS, tvOS

Never again miss anyone's great moment in your game or app. Learn about ReplayKit's latest update — clips screen recording — which provides your app with a rolling buffer of past video and audio samples. When memorable moments happen, discover how you can record and save it for people, and find...

• WWDC21
• iOS, macOS, tvOS, watchOS

It's never been easier to test your CloudKit containers. We'll introduce you to cktool, a command-line utility that makes quick work of CloudKit configuration, and learn about the new schema language that allows you to rapidly prototype and evolve containers. We'll also show you how to combine...

• WWDC21
• iOS, macOS

EDR is Apple's High Dynamic Range representation and rendering pipeline. Explore how you can render HDR content using EDR in your app and unleash the dynamic range capabilities of your HDR display including Apple's internal displays and Pro Display XDR. We'll show you how game and pro app...

• WWDC21
• iOS, watchOS

Discover how you can make key parts of your app available for someone at exactly the right moment — without them ever needing to open it. Learn how to craft and donate intents to the system, helping you surface relevant and contextual information about your app in Siri, Focus, Shortcuts, the...

• WWDC21
• tvOS

Find out how you can use Apple TV's redesigned playback interface to build great media experiences in your apps. Learn how the latest interface helps people access relevant controls and information while maintaining focus on content. We'll show you how you can adopt AVPlayerViewController and...

• WWDC21
• iOS, macOS, tvOS, watchOS

Great customer support is critical to running a successful business on the App Store. Discover how you can provide a frictionless support experience to customers who make in-app purchases, including APIs that make it easy for customers to manage or cancel their auto-renewable subscription, or...

• WWDC21
• macOS

Find out how you can use the FileProvider framework to build a comprehensive cloud sync solution. We'll show you how to approach building a file provider extension, and explore how you can effortlessly integrate your extension with file system features such as safe save, disk space management,...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how Core Data is adopting the new concurrency capabilities of Swift 5.5, leading to more concise, efficient, and safe asynchronous code. We'll show you how to update Core Data in your apps to work with concurrency, and detail the many other improvements throughout the framework that make...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how to distribute your apps directly to App Store Connect and all the distribution methods supported in Xcode. Explore how to automate distribution for your apps, and learn about improvements to the distribution workflow like cloud signing, app record creation, and build number management.

• WWDC21
• iOS, macOS

PHPicker is the simplest and most secure way to integrate the Photos library into your app — and it's getting even better. Learn how to handle ordered selection of images in your app, as well as pre-selecting assets any time the picker is shown. And for apps that need to integrate more deeply...

• WWDC21
• iOS, macOS, tvOS

Discover the Apps and Books Management API and explore how you can assign an organization's owned apps and books to managed users and devices. Learn about the latest API improvements and find out how you can subscribe to and receive notifications around asset counts, assignments, and registered...

• WWDC21
• iOS

The ClassKit framework can help surface educational activities within your app to teachers using the Schoolwork app. Discover how you can provide teachers with greater insights into student learning by adopting the latest file-based API to report student progress data within your app. We'll also...

• WWDC21
• iOS, macOS, tvOS

The Metal shading language is a powerful C++ based language that allows apps to render stunning effects while maintaining a flexible shader development pipeline. Discover how to more easily build and extend your render pipelines using Dynamic Libraries and Function Pointers. We'll also show you...

• WWDC21
• iOS, macOS

Your app can take full advantage of the powerful camera systems on iPhone by using the AVCapture APIs. Learn how to choose the most appropriate photo or video formats for your use cases while balancing the trade-offs between photo quality and delivery speed. Discover some powerful new algorithms...

• WWDC21
• iOS

The enhanced and new APIs in HomeKit enable smart home developers to integrate with the new Matter protocol in the most convenient way. Tour the Matter protocol, and discover how to set up and manage Matter accessories on our platforms and within your smart home apps.

• WWDC21
• iOS, macOS

Web Inspector provides the tools for you to understand and debug your web pages on macOS, iOS, and iPadOS. We'll take you through the latest features and improvements to Web Inspector, including a new overlay for inspecting CSS Grid containers on your pages, even more configurable breakpoints to...

• WWDC21
• iOS, macOS

Discover how Vision can provide expert image recognition and analysis in your app to extract information from documents, recognize text in multiple languages, and identify barcodes. We'll explore the latest updates to Text Recognition and Barcode Detection, show you how to bring all these tools...

• WWDC21
• iOS, macOS, tvOS, watchOS

Dive into the details of Swift concurrency and discover how Swift provides greater safety from data races and thread explosion while simultaneously improving performance. We'll explore how Swift tasks differ from Grand Central Dispatch, how the new cooperative threading model works, and how to...

• WWDC21
• macOS

Meet MailKit: the best way to build amazing experiences on top of Mail. MailKit enables apps to easily and securely interact with the Mail app for macOS. We'll deep dive into the MailKit API, and show you how to create extensions for composing messages, message actions, secure email, and content...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how you can interact with devices in UI Tests in Xcode 13. Discover newly-automatable input methods including iPadOS pointer, watchOS Digital Crown, and enhanced macOS trackpad scrolling APIs.

• WWDC21
• iOS, macOS

In a managed device environment, you often need to control the pace of software updates while you test the latest operating systems within your company or education institution. Discover the tools you have at your disposal to defer, deploy, and enforce software updates.

• WWDC21
• iOS

Build the next generation of augmented reality apps with ARKit 5. Explore how you can use Location Anchors in additional regions and more easily onboard people into your location-based AR experience. Learn more about Face Tracking and Motion Capture. And discover best practices for placing your...

• WWDC21
• iOS, macOS, tvOS, watchOS

Test repetitions can help you debug even the most unreliable code. Discover how you can use the maximum repetitions, until failure, and retry on failure testing modes within test plans, Xcode, and xcodebuild to track down bugs and crashers and make your app more stable for everyone. To get the...

• WWDC21
• iOS, macOS

Discover how you can measure your ad campaigns in apps and on the web without compromising privacy. We'll introduce you to Private Click Measurement and explore SKAdNetwork, which provides you with a more secure, private, and useful way to measure your app installs.

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how to localize your SwiftUI app and make it available to a global audience. Explore how you can localize strings in SwiftUI, including those with styles and formatting. We'll demonstrate how you can save time by having SwiftUI automatically handle tasks such as layout and keyboard...

• WWDC21
• iOS, macOS

Discover how to optimize your image processing app for Apple silicon. Explore how to take advantage of Metal render command encoders, tile shading, unified memory architecture, and memoryless attachments. We'll show you how to use Apple's unique tile based deferred renderer architecture to create...

• WWDC21
• iOS, macOS, tvOS, watchOS

With device input — as with all things in life — where you put focus matters. Discover how you can move focus in your app with SwiftUI, programmatically dismiss the keyboard, and build large navigation targets from small views. Together, these APIs can help you simplify your app's interface and...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover the latest updates to AVFoundation, Apple's framework for inspecting, playing, and authoring audiovisual presentations. We'll explore how you can use AVFoundation to query attributes of audiovisual assets, further customize your custom video compositions with timed metadata, and author...

• WWDC21
• iOS, macOS, tvOS

Optimize your high-end games for Apple GPUs: We'll show you how you can use our rendering and debugging tools to eliminate performance issues and make your games great on Apple platforms. Learn from our experiences working with developers at Larian Studios and 4A Games as we help them optimize...

• WWDC21
• iOS, macOS, tvOS, watchOS

Whether you're curating packages for your team, for education purposes, or to share with other developers, Swift Package Collections can help you discover, explore and import new packages into your project. Discover improvements in the Swift Package workflow using Collections, and learn how you...

• WWDC21
• iOS, macOS, tvOS

Go beyond basic streaming and interaction and discover how you can build advanced SharePlay experiences using the full power of the Group Activities framework. We'll show you how to adapt a simple drawing app into a real-time shared canvas, explore APIs like GroupSessionMessenger — which helps...

• WWDC21
• watchOS

Advances in Apple Watch give you more ways to communicate to and from your app, and new audiences to consider. Learn what strategies are available for data communication and how to choose the right tool for the job. Compare and contrast the benefits of using technologies such as iCloud Keychain,...

• WWDC21
• iOS, macOS

Explore the foundations of great widgets by keeping them relevant and customizable. Learn how to keep widgets up to date with timeline entries and TimelineReloadPolicies. Discover how to adapt your widget to different presentation environments and physical location. And lastly, find out how to...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can author immersive tutorials from scratch with DocC. We'll demonstrate how you can bring together rich instructions, example code, and images through the DocC syntax to showcase your Swift framework in action. And we'll go over how to create progressive training that can...

• WWDC21
• iOS, macOS, tvOS

Learn how you can design your app to support SharePlay experiences. We'll show you how you can bring people together in your app using the Group Activities framework, and adapt your design to focus on group-first content sharing. And we'll explore ideas and iteration around apps and functions you...

• WWDC21
• iOS, macOS

Discover how you can track down hangs and delays in your app. We'll show you tools and methods to discover hangs and their causes, learn about anti-patterns that can lead to hangs, explore best practices for eliminating hangs like GCD, and provide guidance on when you should consider asynchronous...

• WWDC21

Well hello, Wednesday! Time to catch up on Day 3 at WWDC and find out what's coming to a Thursday near you.

• WWDC21
• watchOS

Discover how Apple creates products that work well for everyone. Learn from a few of the engineers and designers who helped build Apple Watch as they share stories that highlight our approach to accessible design, constant iteration, and community engagement. This version includes American Sign...

• WWDC21
• watchOS

Discover how Apple creates products that work well for everyone. Learn from a few of the engineers and designers who helped build Apple Watch as they share stories that highlight our approach to accessible design, constant iteration, and community engagement.

• WWDC21
• iOS

Discover how you can use the Apple Music API to fetch music catalog metadata for your app. Explore the latest updates to the API as well as some advanced techniques for shaping your requests and highlighting the right metadata for a project. To get the most out of this session, we recommend some...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn to use the Instruments Network template to record and analyze your app's HTTP traffic. We'll show you how to explore and visualize the behavior of sessions, tasks, and individual HTTP requests to ensure data is transmitted efficiently and respects people's privacy.

• WWDC21
• iOS, macOS

It's easier than ever to offer your existing iPad and iPhone apps on Macs with M1. We'll show you how to bring your app to macOS, and explore how the system automatically bridges various features of your app to work on the Mac. We'll also provide guidance on best practices in your iPad app,...

• WWDC21
• iOS, macOS

Learn how you can interact with Video Effects in Control Center including Center Stage, Portrait mode, and Mic modes. We'll show you how to detect when these features have been enabled for your app and explore ways to adopt custom interfaces to make them controllable from within your app...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can adopt Swift concurrency in URLSession using async/await and AsyncSequence, and how you can apply Swift concurrency concepts to improve your networking code.

• WWDC21
• iOS, macOS

Explore the latest updates to WKWebView. We'll show you how to use APIs to manipulate web content without JavaScript, explore delegates that can help with WebRTC and Downloads, and share how you can easily create a richer web experience within your app.

• WWDC21
• iOS, macOS

Discover simple ways to bring your Object Capture assets to AR Quick Look while optimizing for visual quality and file size. Explore ways you can integrate AR Quick Look and Object Capture to help create entirely new experiences. To get the most out of this session, we recommend first watching...

• WWDC21
• iOS, macOS, tvOS

Discover how you can use HLS playlist tags and the Steering Manifest format with your content to help dynamically update CDN redundancy policies tuned for each viewer. Learn how to load balance, set failover, and more.

• WWDC21
• macOS

Build consistently smooth scrolling list and collection views: Explore the lifecycle of a cell and learn how to apply that knowledge to eliminate rough scrolling and missed frames. We'll also show you how to improve your overall scrolling experience and avoid costly hitches, with optimized image...

• WWDC21
• iOS, macOS, tvOS, watchOS

Go beyond the basics to deliver an exceptional accessibility experience. Learn how to use the new SwiftUI Previews in Xcode to explore the latest accessibility APIs and create fantastic, accessible apps for everyone. Find out how you can customize the automatic accessibility built into SwiftUI to...

• WWDC21
• iOS, watchOS

Discover how you can take your app's health monitoring to the next level with motion data. Meet Walking Steadiness for iPhone and the six-minute-walk metric for Apple Watch: Walking Steadiness can help your app interpret someone's quality of walking and risk of falling, while the six-minute-walk...

• WWDC21
• iOS, macOS

Discover how you can iterate upon your interfaces even more quickly when building your apps. Learn how you can modernize your UI with the latest button styles and table view cell content configurations, both of which give you greater control directly inside of Interface Builder. We'll show you...

• WWDC21
• iOS, macOS, tvOS

Explore how Xcode can help you take your Metal debugging, profiling and asset creation workflows to the next level. Discover the latest tools for ray tracing and GPU profiling, and learn about Metal Debugger workflows. We'll also show you how to use the Texture Converter tool, which supports all...

• WWDC21
• iOS, macOS

With Create ML, your app's ability to understand the expressiveness of the human hand has never been easier. Discover how you can build off the support for Hand Pose Detection in Vision and train custom Hand Pose and Hand Action classifiers using the Create ML app and framework. Learn how simple...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover the latest updates to managing in-app purchases on your server. Explore how you can use servers to track status changes, handle refunds, and manage subscriber status. Learn about App Store server APIs around status and in-app purchase transactions, and find out how App Store server...

• WWDC21
• iOS, macOS

Learn how you can extend Safari's functionality with Safari Web Extensions. We'll introduce you to the latest WebExtension APIs, explore non-persistent background page support — a particularly relevant topic if you're developing for iOS — and discover how you can use the Declarative Net Request...

• WWDC21
• iOS, macOS, tvOS, watchOS

Peek behind the curtain into the core tenets of SwiftUI philosophy: Identity, Lifetime, and Dependencies. Find out about common patterns, learn the principles that drive the framework, and discover how you can use them to guarantee correctness and performance for your app.

• WWDC21
• iOS

Discover how your app can train Core ML models fully on device with the Create ML framework, enabling adaptive and customized app experiences, all while preserving data privacy. We'll explore the types of models that can be created on-the-fly for image-based tasks like Style Transfer and Image...

• WWDC21
• macOS

Discover how to use the AudioDriverKit API to consolidate your Audio Server plug-in and DriverKit extension into a single package. Learn how you can simplify audio driver installation with an app instead of an installer package and distribute your driver through the Mac App Store. And we'll take...

• WWDC21
• iOS, macOS

Apple Configurator is now more capable than ever. Whether you're provisioning iOS, iPadOS, and tvOS devices in your organization or servicing existing macOS devices, learn how Apple Configurator can help with key workflows. And, coming to iPhone in iOS 15, discover how you can bring Automated...

• WWDC21
• iOS, macOS

Learn how User Enrollment helps you support “bring your own device” deployments in your business or enterprise environment. We'll explore data separation, enhancements to Managed Apple IDs and how you can use the new account-based onboarding in your organization.

• WWDC21
• iOS, macOS

Learn how you can link your app to Quick Note and help people quickly connect your content to their notes — and their notes to your content. Discover how Quick Note recognizes and links to app content through NSUserActivity, and find out how you can adopt this API in your app. We'll take you...

• WWDC21
• iOS, macOS

Explore how geometry-aware audio can help you build complex, interactive, and immersive audio scenes for your apps and games. Meet PHASE, Apple's spatial audio API, and learn how the Physical Audio Spatialization Engine (PHASE) keeps the sound aligned with your experience at all times — helping...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can create custom iconography with the latest rendering modes in SF Symbols 3. We'll help you learn how to draw, edit, and annotate symbols, as well as explore more advanced techniques to improve the design process. For a primer on working with custom symbol templates, we...

• WWDC21
• iOS, macOS, tvOS, watchOS

Xcode Cloud integrates with Apple Developer tools and services, all major source control management services, and even social collaboration tools like Slack. If your development process relies on additional tools and external services, however, you can fine-tune your workflows and the behavior of...

• WWDC21
• iOS, macOS, tvOS, watchOS

Iterating over a sequence of values over time is now as easy as writing a “for” loop. Find out how the new AsyncSequence protocol enables a natural, simple syntax for iterating over anything from notifications to bytes being streamed from a server. We'll also show you how to adapt existing code...

• WWDC21
• iOS, macOS

Learn how you can support on-device verification codes in your app or website for a more secure sign-in experience. We'll explore the latest updates to the iCloud Keychain password manager and discover how verification codes, AutoFill, iCloud Keychain sync, and two-tap setup simplify the...

• WWDC21
• iOS, macOS

Quickly discover how to identify priorities when viewing power and performance regressions. Learn how to track metrics that have regressed with device-and percentile-specific information, so you can focus your efforts on optimization and save valuable development time. We'll also show you how to...

• WWDC21
• iOS

App Clips give people the power to discover and download a small part of your app at a moment's notice to complete tasks and transactions. Explore tips and best practices to help you create compact App Clips that emphasize modern features and elegant design. Learn how you can build reliable and...

• WWDC21
• iOS, macOS

Create stunning visuals for your augmented reality experiences with cutting-edge rendering advancements in RealityKit. Learn the art of writing custom shaders, draw real-time dynamic meshes, and explore creative post-processing effects to help you stylize your AR scene.

• WWDC21
• iOS, macOS, tvOS, watchOS

Meet CLLocationButton: a secure interface element that provides an easy, low-friction way to grant your app location access only when and where it is needed. Learn how you can add CLLocationButton to new or existing code, how to customize it within interface legibility guidelines, how to...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover the redesigned Apple Pay for in-app and web payments and learn how you can incorporate the latest APIs into your app or website. Learn how to add features to your app like coupon codes, improved shipping information, and improvements to the payment detail display screen. And explore...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can create interactive, memorable experiences to onboard people into your app. We'll take you through discoverable design practices and learn how you can craft explorable, fun interfaces that help people grasp the possibilities of your app at a glance. We'll also show you how to...

• WWDC21
• macOS

Discover the latest updates to Mac Catalyst and find out how you can make your app feel even more at home on macOS. Learn about a variety of new and enhanced UIKit APIs that let you customize your Mac Catalyst app to take advantage of behaviors unique to macOS. To get the most out of this...

• WWDC21
• iOS, macOS

Meet TextKit 2: Apple's next-generation text engine, redesigned for improved correctness, safety, and performance. Discover how TextKit 2 can help you provide a better text experience for international audiences, create more diverse layouts by mixing text content with visual content, and ensure...

• WWDC21
• iOS, macOS, tvOS, watchOS

Great documentation can help people effectively and easily adopt your Swift framework. Discover how you can create rich, conceptual articles to accompany your API. You'll learn best practices for writing articles, including how to structure your documentation, and find out how to create...

• WWDC21
• macOS

Discover best practices, tools, and techniques to help craft the best possible Mac Catalyst app. We'll take you through key considerations when you bring your iPad app to macOS, explore detailed code examples for refining your interface and experience, and show you how to distribute your Mac app...

• WWDC21
• iOS, macOS, tvOS

Learn how the Advanced Video Quality Tool (AVQT) can help you accurately assess the perceptual quality of your compressed video files. Utilizing the AVFoundation framework, AVQT supports a wide range of video formats, codecs, resolutions and frame-rates in both the SDR and HDR domains, which...

• WWDC21
• iOS, macOS, tvOS

Learn how you can create seamless transitions between advertisements and your HLS streams. We'll show you how to incorporate HLS tags and AVFoundation APIs to create media experiences that move easily between your primary content and mid-rolls, and provide best practices for playing these streams...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover two of the latest additions to the list of open-source Swift packages from Apple: Swift Algorithms and Swift Collections. Not only can you use these packages immediately, they also incubate new algorithms and data structures for eventual inclusion in the Swift Standard Library. We'll...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can incorporate SF Symbols into your SwiftUI app. We'll explore basic techniques for presenting symbols, customizing their size, and showing different variants. We'll also take you through the latest updates to symbol colorization and help you pick the right tool for your app's...

• WWDC21
• iOS, macOS

Discover how you can add Core Image kernels written in the Metal Shading Language into your app. We'll explore how you can use Xcode rules and naming conventions for Core Image kernels written in the Metal Shading Language, and help you make sense of Metal's Stitchable functions and dynamic...

• WWDC21
• iOS, macOS, tvOS, watchOS

Explore the latest enhancements to code review and pull requests in Xcode. Learn more about diff display preferences, commit selectors, changes navigator, and pull request workflows. We'll show you how you can collaborate with your team and find regressions by connecting your code review and PR...

• WWDC21
• iOS, macOS, tvOS

Learn how you can create colorized symbols with SF Symbols 3 and customize them to match the visual design of your app's interface. We'll take you through the latest UIKit and AppKit APIs for integrating colorized symbols, as well as best practices for implementation. To get the most out of this...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how Xcode Organizer makes it easier and faster to triage and fix crashes. We'll explore how you can get access to crash information and feedback from your TestFlight testers just moments after they occur. And we'll show you how to analyze crashes, view metrics, and even share crash...

• WWDC21
• watchOS

Discover how you can build a top-notch accessibility experience for watchOS when you support features like larger text sizes, VoiceOver, and AssistiveTouch. We'll take you through adding visual and motor accessibility support to a SwiftUI app built for watchOS, including best practices around API...

• WWDC21
• iOS, macOS, tvOS, watchOS

Tour the latest updates to the SF Symbols app — our interactive library for iconography. Learn how you can use the library to design accessible and inclusive apps that look incredible: We'll take you through changes to the app and symbols search, explore previewing and custom symbol management,...

• WWDC21
• macOS

Discover how you can create a layered and customized sheet experience in UIKit. We'll explore how you can build a non-modal experience in your app to allow interaction with content both in a sheet and behind the sheet at the same time. We'll also take you through sheet size customization,...

• WWDC21
• iOS, macOS

Discover the latest updates to the Vision framework to help your apps detect people, faces, and poses. Meet the Person Segmentation API, which helps your app separate people in images from their surroundings, and explore the latest contiguous metrics for tracking pitch, yaw, and the roll of the...

• WWDC21
• iOS, macOS

Supporting low latency encoders has become an important aspect of video application development process. Discover how VideoToolbox supports low-delay H.264 hardware encoding to minimize end-to-end latency and achieve new levels of performance for optimal real-time communication and high-quality...

• WWDC21
• iOS, macOS, tvOS

Discover how you can help people watch or listen to content all in sync with SharePlay and the Group Activities framework. We'll show you how to adapt a media app into a synchronized, SharePlay-enabled experience for multiple people. Learn how to add Group Activities to your app, explore the...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can achieve maximum performance and insightful debugging with your app. Symbolication is at the center of tools such as Instruments and LLDB to help bridge the layers between your application's runtime and your source code. Learn how this process works and the steps you can take...

• WWDC21
• iOS, macOS

When you support ProRAW in your app, you can help photographers easily capture and edit images by combining standard RAW information with Apple's advanced computational photography techniques. We'll take you through an overview of the format, including the look and feel of ProRAW images, quality...

• WWDC21
• iOS, macOS

Discover how Core Data can surface data from your app in Spotlight with as little as two lines of code. Learn how to make that data discoverable in Spotlight search and to customize how it is presented to people on device. Lastly, we'll show you how to implement full-text search within your app,...

• WWDC21
• iOS

Discover new ways to make your product page more relevant. Learn how you can use custom product pages to highlight different features and content in your app for different users. Explore how you can optimize your product page by comparing the effectiveness of different visual assets to see what...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover Swift concurrency in action: Follow along as we update an existing sample app. Get real-world experience with async/await, actors, and continuations. We'll also explore techniques for migrating existing code to Swift concurrency over time. To get the most out of this code-along, we...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can use Swift's concurrency features to build even better SwiftUI apps. We'll show you how concurrent workflows interact with your ObservableObjects, and explore how you can use them directly in your SwiftUI views and models. Find out how to use await to make your app run...

• WWDC21
• iOS, macOS, tvOS, watchOS

Explore the latest updates to SF Symbols, Apple's iconography library. Designed to integrate seamlessly with San Francisco — the system font for Apple platforms — SF Symbols can help you create beautiful and consistent iconography for your app while supporting accessibility features like Dynamic...

• WWDC21
• iOS, macOS

Despite their prevalence, passwords inherently come with challenges that make them poorly suited to securing someone's online accounts. Learn more about the challenges passwords pose to modern security and how to move beyond them. Explore the next frontier in account security with...

• WWDC21
• watchOS

Build a workout app from scratch using SwiftUI and HealthKit during this code along. Learn how to support the Always On state using timelines to update workout metrics. Follow best design practices for workout apps.

• WWDC21
• iOS, watchOS

Discover how to create digital car keys that support Ultra Wideband (UWB), allowing people to unlock and start their car while leaving iPhone in their bag or pocket or Apple Watch on their wrist. We'll show you how to integrate UWB, add proximity actions and distance unlock features, and help...

• WWDC21
• iOS, macOS, watchOS

Learn more about the evolution of notifications on Apple platforms. We'll explore how you can help people manage notifications within your app, including how you can craft meaningful moments with interruption levels and Time Sensitive notifications. And we'll introduce you to communication...

• WWDC21
• iOS, macOS, watchOS

Actions are the building blocks of shortcuts. They allow people to take advantage of your app's functionality even when they're not looking at your app's interface. We'll show you how to design actions that are useful, easy-to-use, and can be incorporated into powerful multi-step shortcuts...

• WWDC21

The day's almost over, but there's still so much to explore: Catch up on the best of Day 2 at WWDC and check out a few of the great sessions and activities still to come.

• WWDC21

Fascinated by aerospace engineering and fighter jets from the age of 11, MIT graduate Tiera Fletcher followed her passion. At 22, she landed her dream job working on NASA's Space Launch System, the most powerful rocket created in history. Learn what it's like to design components of a...

• WWDC21
• iOS, macOS, tvOS

Discover how you can create streaming media content that seamlessly transitions between episodes, songs, scenes, and individual resources. With gapless HLS playback, you can stitch together multiple pieces of content on the fly to create customized workouts, design interactive content, tell...

• WWDC21
• iOS, macOS, tvOS, watchOS

Every app uses Buttons. With iOS 15, you can adopt updated styles to create gorgeous buttons that fit effortlessly into your interface. We'll explore features that make it easier to create different types of buttons, learn how to provide richer interactions, and discover how you can get great...

• WWDC21
• iOS

Make even better iPad apps: Learn how you can adopt prominent scenes for uninterrupted, focused interactions. Help people stay engaged and fast with keyboard shortcuts and the keyboard shortcut interface. Explore how the latest in pointer enhancements can help your app boost productivity.

• WWDC21
• iOS, macOS

Learn about enhancements to Picture in Picture and full screen improvements on macOS. Explore the new content source API, and learn how AVPictureInPictureController supports AVSampleBufferDisplayLayer, as well as recommended steps for an app to provide a seamless full screen experience on macOS...

• WWDC21
• iOS, macOS, tvOS, watchOS

There's never been a better time to develop your apps with SwiftUI. Discover the latest updates to the UI framework — including lists, buttons, and text fields — and learn how these features can help you more fully adopt SwiftUI in your app. Find out how to create beautiful, visually-rich...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how the latest updates to Foundation can help you improve your app's localization and internationalization support. Find out about the new AttributedString, designed specifically for Swift, and learn how you can use Markdown to apply style to your localized strings. Explore the grammar...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can help people quickly find specific content within your apps. Learn how to use SwiftUI's .searchable modifier in conjunction with other views to best incorporate search for your app. And we'll show you how to elevate your implementation by providing search suggestions to help...

• WWDC21
• iOS, macOS

Performance optimization can seem like a daunting task — with many metrics to track and tools to use. Fear not: Our survival guide to app performance is here to help you understand tooling, metrics, and paradigms that can help smooth your development process and contribute to a great experience...

• WWDC21
• iOS, macOS, tvOS, watchOS

StoreKit 2 delivers powerful, Swift-native APIs for in-app purchases and auto-renewable subscriptions. Learn how you can easily implement in-app purchases and subscriptions, and discover APIs for retrieving product information, handling transactions, determining product entitlements and customer...

• WWDC21
• iOS, macOS

Discover how you can combine ray tracing with your rasterization engine to implement simplified graphics techniques and elevate visuals in your app or game. We'll explore how you can use natural algorithms to accurately simulate the interplays of light, and learn how to take advantage of the...

• WWDC21
• iOS, macOS, tvOS, watchOS

Find out how you can easily host your Swift package and framework DocC documentation online. We'll take you through configuring your web server to host your generated DocC archives, and help you learn to use the xcodebuild tool to automate documentation generation and keep your web content...

• WWDC21
• iOS, macOS

Creating engaging AR experiences has never been easier with RealityKit 2. Explore the latest enhancements to the RealityKit framework and take a deep dive into this underwater sample project. We'll take you through the improved Entity Component System, streamlined animation pipeline, and the...

• WWDC21
• iOS, macOS, tvOS

Discover how you can promote timely events happening in your apps and games — like a game competition, a movie premiere, and more — directly on the App Store. We'll show you how in-app events now appear on the App Store and how to create, schedule, and manage them in App Store Connect.

• WWDC21
• watchOS

Discover how you can integrate data from Bluetooth accessories into Apple Watch apps and complications. Bluetooth devices can provide medical data, sports stats, and more to Apple Watch, and help people get more out of your software in the process. We'll show you how to connect to these devices...

• WWDC21
• iOS

Discover how App Clips can elevate quick and focused experiences for specific tasks, the moment your customer needs them. We'll take you through some of the latest improvements to App Clips, including launching an experience directly from an app, testing your App Clip locally, and creating App...

• WWDC21
• iOS, macOS

Shortcuts is coming to macOS, and your apps are a key part of that process. Discover how you can elevate the capabilities of your app by exposing those features as Shortcuts actions. We'll show you how to build actions for your macOS apps built with Catalyst or AppKit, deploy actions across...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can deliver inclusive apps that can foster amazing experiences for everyone who uses your software. We'll take you through best practices for creating and empowering diverse teams and explore how inclusivity influences every stage of the design and development process.

• WWDC21
• iOS, macOS, tvOS, watchOS

MusicKit makes it easy to integrate Apple Music into your app. Explore the Swift-based framework: We'll take you through the basic process of using MusicKit — including how to find, request, and play content — and show you how you can incorporate music subscription workflows into your app if...

• WWDC21
• iOS

Learn how you can support Live Text and intelligently pull information from the camera to fill out forms and text fields in your app. We'll show you how to apply content filtering to capture the correct information when someone uses the camera as keyboard input and apply it to a relevant...

• WWDC21
• macOS

Notarization works in tandem with macOS to help people safely download software for their Mac outside of the App Store. Discover how notarytool can help you quickly and easily notarize your Mac app for distribution. We'll show you how you can now notarize your apps with just a single command, and...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can use DocC to build and share documentation for Swift packages and frameworks. We'll show you how to begin generating documentation from your own code — or from third-party code you depend upon — and write and format it using Markdown. And we'll also take you through the export...

• WWDC21
• iOS, macOS, tvOS

Discover how spatial audio can help you provide a theater-like experience for media in your apps and on the web. We'll show you how you can easily bring immersive audio to those listening with compatible hardware, and how to automatically deliver different listening experiences depending on...

• WWDC21
• iOS

Explore the Screen Time API and learn how you can build apps that support customized parental controls — all while putting privacy first. Learn how you can use key features like core restrictions and device activity monitoring to create safe, secure experiences in your app while providing...

• WWDC21
• tvOS

Find out how people can use Face ID or Touch ID on their iOS or iPadOS device to authorize purchases and sign into your tvOS app. Discover how you can simplify sign in for people using your app and help them get to the content they want to enjoy, faster. We'll show you how to set up a simplified...

• WWDC21
• iOS, macOS, tvOS, watchOS

Get to know Xcode Cloud, Apple's continuous integration and continuous delivery (CI/CD) service for building apps and frameworks for all Apple platforms. Find out how Xcode Cloud can improve both the productivity of your team and the quality of your products. We'll show you how to start your...

• WWDC21
• iOS, macOS, tvOS

TestFlight has come to Mac. Learn how you can manage builds and testers, collect feedback, and deploy your macOS app. Discover enhancements for internal testing and new features that integrate with Xcode Cloud to make testing even easier on all platforms.

• WWDC21
• iOS, macOS, tvOS, watchOS

An inclusive app or game is not only usable by different people, but also welcomes people from diverse backgrounds and perspectives. Discover how you can design inclusive content for your interface, language, imagery, and marketing materials and support the broadest possible range of people with...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how Xcode Cloud workflows can help you and your team automate building, analyzing, testing, archiving, and distributing your apps and frameworks. They are flexible, extensible, and can be configured around your team's development and distribution process. Find out the basics of Xcode Cloud...

• WWDC21
• iOS, macOS, tvOS, watchOS

When you have code that needs to run at the same time as other code, it's important to choose the right tool for the job. We'll take you through the different kinds of concurrent tasks you can create in Swift, show you how to create groups of tasks, and find out how to cancel tasks in progress...

• WWDC21
• iOS, macOS

Discover how to you can add intelligence to your widgets in Smart Stacks. We'll show you how to use the new Widget Suggestions API in tandem with Smart Rotate to create more valuable widget experiences for people throughout the day. Whether you inform the system of new, timely information or...

• WWDC21
• iOS, macOS, tvOS

It's time to up your input game: Learn about the latest improvements to virtual and physical game controllers for iPhone, iPad, Mac, and Apple TV. Meet the virtual on-screen controller, which turns touch input into game controller input, and find out how to add controller sharing features to your...

• WWDC21
• iOS

Discover how you can use the Keyboard Layout Guide to manage how keyboards work within your iOS or iPadOS app. Learn how you can avoid writing lengthy code blocks when you use UIKeyboardLayoutGuide and UITrackingLayoutGuide to integrate the keyboard into your interface, helping people have a...

• WWDC21
• iOS, macOS, tvOS, watchOS

Charts are an essential tool for understanding data, and critical to understanding ourselves, our health, our finances, and our world. Find out how you can make charts accessible in your apps to people with vision impairments through audio graphs and sonified data. And we'll show you how to...

• WWDC21
• iOS, macOS, tvOS, watchOS

Swift now supports asynchronous functions — a pattern commonly known as async/await. Discover how the new syntax can make your code easier to read and understand. Learn what happens when a function suspends, and find out how to adapt existing completion handlers to asynchronous functions.

• WWDC21
• iOS, macOS, tvOS

Learn more about the framework powering SharePlay, and discover the different types of shared experiences you can implement for people who use your app. Explore a high-level overview of the framework's architecture and concepts, including how Group Activities and AVFoundation work in tandem, and...

• WWDC21
• iOS

At Apple, we believe that privacy is a fundamental human right. Learn about our four pillars of privacy, how we brought these principles together to design iCloud Private Relay, and how you can approach building privacy in your app in line with those fundamentals. Explore how you can build data...

• WWDC21
• iOS

Discover the latest updates and improvements to UIKit and learn how to build better iPadOS, iOS, and Mac Catalyst apps. We'll take you through UI refinements, productivity updates, and API enhancements, and help you explore performance improvements and security & privacy features.

• WWDC21
• iOS, macOS, tvOS, watchOS

iCloud Private Relay is an iCloud+ service that prevents networks and servers from monitoring a person's activity across the internet. Discover how your app can participate in this transition to a more secure and private internet: We'll show you how to prepare your apps, servers, and networks to...

• WWDC21
• iOS

Find out how you can securely request access to someone's verifiable health records and incorporate that data safely into your app. The Health app helps people download, view, and share their health records, including their COVID-19 immunization and test results — and iOS 15 brings support for...

• WWDC21
• iOS, macOS, tvOS, watchOS

CloudKit provides a secure, convenient, and reliable cloud database for your apps — and it's only getting better. Discover how you can unravel your threads with support for async/await and convenience API additions. We'll also show you how to encourage collaboration between people using your app...

• WWDC21
• iOS, macOS, tvOS

Power up your online gaming experience with GameKit and adopt features like multiplayer, leaderboards, and achievements in your game. We'll take you through the latest improvements to Game Center, including player matching and multiplayer APIs, and explore how you can boost discovery of your game.

• WWDC21
• iOS

Improve the keyboard experience in your iPad and Mac Catalyst app. Discover how you can accelerate access to key features with the hardware keyboard, and navigate through your views and view controllers. Learn how to customize which elements are keyboard navigable, as well as how to customize the...

• WWDC21
• iOS, macOS

Safari Web Extensions use HTML, CSS, and JavaScript to offer people powerful browser customizations — and you can now create them for every device that supports Safari. Learn how to build a Safari Web Extension that works for all devices, and discover how you can convert an existing extension to...

• WWDC21
• iOS, macOS

The future of device management is here: Learn how you can support mobile device management while allowing individual devices to be autonomous and proactive, bringing both increased performance and scalability. We'll show you how you can incorporate this declarative model in your MDM solution.

• WWDC21
• iOS, macOS

Discover the latest advancements in key device management capabilities for your organization or MDM solution. Explore the refreshed device management Settings on iOS and iPadOS, an all-new return to service functionality for macOS, and other updates to device management across Apple platforms.

• WWDC21
• iOS, macOS

Achieve photorealistic 3D scenes in your apps and games through ray tracing, a core part of the Metal graphics framework and Shading Language. We'll explore the latest improvements in implementing ray tracing and take you through upgrades to the production rendering process. Discover Metal APIs...

• WWDC21
• iOS, macOS, tvOS

Unleash the full potential of your shaders and implement modern rendering techniques by adding Argument Buffers to adopt bindless rendering. Learn how to make your entire scene and resources available to the GPU to make the most out of raytracing and rasterization pipelines.

• WWDC21
• iOS, macOS, tvOS, watchOS

Take advantage of Shazam's exact audio matching capabilities within your app when you use ShazamKit. Learn how you can harness the immense Shazam catalog to create all sorts of experiences, including quickly recognizing the exact song playing in the background of a video captured by your app,...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how your app can interact with Ultra Wideband (UWB) third-party accessories when running on a U1-equipped device. We'll show you how to use the Nearby Interaction framework's standards-based technology to implement precise and directionally-aware experiences with accessories. Learn about...

• WWDC21
• iOS, macOS, tvOS, watchOS

Learn how you can bring your graphics to life with SwiftUI. We'll begin by working with safe areas, including the keyboard safe area, and learn how to design beautiful, edge-to-edge graphics that won't underlap the on-screen keyboard. We'll also explore the materials and vibrancy you can use in...

• WWDC21
• iOS, macOS

Object Capture provides a quick and easy way to create lifelike 3D models of real-world objects using just a few images. Learn how you can get started and bring your assets to life with Photogrammetry for macOS. And discover best practices with object selection and image capture to help you...

• WWDC21
• iOS, macOS, tvOS, watchOS

Join us for an update on Swift. Discover the latest language advancements that make your code easier to read and write. Explore the growing number of APIs available as Swift packages. And we'll introduce you to Swift's async/await syntax, structured concurrency, and actors.

• WWDC21
• macOS

Explore the latest advancements in Mac app development with AppKit. We'll show how you can enhance your app's design with new control features and SF Symbols 3, build powerful text experiences using TextKit 2, and harness the latest Swift features in your app.

• WWDC21
• iOS, macOS, tvOS, watchOS

Explore how you can use the Sound Analysis framework in your app to detect and classify discrete sounds from any audio source — including live sounds from a microphone or from a video or audio file — and identify precisely in a moment where that sound occurs. Learn how the built-in sound...

• WWDC21
• watchOS

watchOS 8 brings all-new opportunities to keep people up to date on their watch face. With new APIs for the Always-On Retina display and updating complications from Bluetooth devices and background delivery of HealthKit data, it's never been easier to keep your app up to date. Learn about...

• WWDC21
• iOS, macOS, tvOS, watchOS

Data races occur when two separate threads concurrently access the same mutable state. They are trivial to construct, but are notoriously hard to debug. Discover how you can stop these data races in their tracks with Swift actors, which help synchronize access to data in your code. Discover how...

• WWDC21
• iOS, macOS, tvOS, watchOS

Discover how you can use AVFoundation APIs to highlight different variants of your content within your app. We'll show you how you can inspect HLS content using these APIs for different video characteristics, including attributes like SDR/HDR, FPS, and the like. And we'll explore the...

• WWDC21
• iOS, macOS, tvOS, watchOS

Bring custom audio matching to your app with ShazamKit. Discover how you can use Shazam's exact audio matching to recognize audio against any source when you use custom catalogs on device. Download our starter project and code along with the presenter as we guide you through the process of...

• WWDC21

Trying to make sense of all the exciting announcements, new technologies, and Fall previews at WWDC this year? Let's break it down for you. Check out a recap of everything that happened on Day 1 of WWDC — and get a sneak peek at all the great stuff coming tomorrow.

• WWDC21
• iOS, macOS, tvOS, watchOS

Take a deeper dive into the new tools, technologies, and advances across Apple platforms that will help you create even better apps. This version includes American Sign Language (ASL) interpretation.

• WWDC21
• iOS, macOS, tvOS, watchOS

Take a deeper dive into the new tools, technologies, and advances across Apple platforms that will help you create even better apps.

• WWDC21
• iOS, macOS, tvOS, watchOS

The Apple Worldwide Developers Conference kicks off with exciting reveals, inspiration, and new opportunities. Join the worldwide developer community for an in-depth look at the future of Apple platforms, directly from Apple Park. This version includes American Sign Language (ASL) interpretation.

• WWDC21
• iOS, macOS, tvOS, watchOS

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

• 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

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

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...

• 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, 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

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

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
• 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, 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, 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 "Unsafe...

• 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

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, 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

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, 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, 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

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, 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, 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
• 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

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

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, 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, 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

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

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
• 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

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, 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
• 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, 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

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, 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, and...

• 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

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

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 the...

• 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

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, 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, 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, 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

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

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, 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, 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, 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, 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, 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, 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

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, 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, 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, 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

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

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

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, 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
• 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
• 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

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, 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, 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, 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 designing...

• 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, 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

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
• 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

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, 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

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". To...

• 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

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
• 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 about...

• 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, 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, 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

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

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, 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
• 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, 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, 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, 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, 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

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
• 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

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, 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
• 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

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

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

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, 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

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...

• 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

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, 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

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, 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

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

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

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, 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

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

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, 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

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

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
• 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, 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

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, 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

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

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

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

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

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 Playgrounds...

• 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

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

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
• 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

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, 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

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, 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
• 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

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, 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
• 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

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

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
• 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

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

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

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

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, 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

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
• 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

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

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
• 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

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, 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, 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

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, 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, 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

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

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

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

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

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
• 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

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

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
• 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

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
• 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
• 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, 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

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, 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 keys...

• 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

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

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

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

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

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
• 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
• 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
• 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
• 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, 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

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, 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

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
• 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, 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

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 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

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, 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

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
• 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

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

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, 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

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...