WWDC21

Overview

Newer documentation highlights are available in WWDC22. This page is an archive from WWDC21.

Check out a selection of documentation for new technologies, frameworks, and APIs introduced at WWDC21. Existing frameworks have added significant functionality, and you’ll find new ways to enhance your apps targeting the latest platform release.

Topics

Xcode Cloud

• Xcode Cloud
• About continuous integration and delivery with Xcode Cloud
• Configuring your first Xcode Cloud workflow

SwiftUI

• Building a great Mac app with SwiftUI
• Add rich graphics to your SwiftUI app
• TimelineView
• AsyncImage
• FocusState
• Table
• Canvas
• Material
• swipeActions(edge:allowsFullSwipe:content:)
• badge(_:)
• searchable(text:placement:prompt:)
• listRowSeparatorTint(_:edges:)
• previewInterfaceOrientation(_:)
• symbolVariant(_:)
• symbolRenderingMode(_:)

SharePlay and Group Activities

• Group Activities

DocC

• DocC

Notifications

• User Notifications

WatchKit

• Interacting with Bluetooth peripherals during background app refresh

Accessibility

• Audio graphs
• Hearing device support

Extensions

• MailKit
• Safari web extensions
• EKVirtualConferenceProvider
• Network Extension

App Store

• StoreKit
• In-App Purchase
• Transaction
• App Store Connect API
• App Store Server Notifications
• App Store Server API

Graphics

• Metal
• Media Player
• AVCaption
• AVCaptureDevice
• Recording and Streaming Your macOS App

Audio and Haptics

• MusicKit
• AudioDriverKit
• Classifying Live Audio Input with a Built-in Sound Classifier
• Core Haptics

Screen Time API

• Managed Settings
• Managed Settings UI
• Device Activity
• Family Controls

AppKit

• TextKit

UIKit

• UISheetPresentationController
• UIButton.Configuration
• prepareForDisplay(completionHandler:)
• prepareThumbnail(of:completionHandler:)
• CoreLocationUI
• UIBehavioralStyle
• UIApplicationSupportsPrintCommand
• UIApplicationSupportsTabbedSceneCollection
• subtitle

Security and Privacy

• Public-Private Key Authentication
• Customizing the notarization workflow
• LAAuthenticationView
• Exposure Notification

iCloud

• Shared Records
• encryptedValues
• Integrating a Text-Based Schema into Your Workflow

Core Data

• NSPersistentCloudKitContainer
• allowsCloudEncryption
• NSCoreDataCoreSpotlightDelegate
• SectionedFetchRequest

Machine Learning

• TabularData
• MLShapedArray
• Applying Matte Effects to People in Images and Video
• VNGeneratePersonSegmentationRequest

Foundation

• AttributedString
• Data Formatting
• Morphology

Developer Tools

• MetricKit

HealthKit

• HKVerifiableClinicalRecord

HomeKit

• HomeKit

Siri

• SiriKit

Games

• GameKit
• Game Controller

Apple Pay

• ApplePayLineItem
• supportsCouponCode
• couponCode
• shippingContactEditingMode
• oncouponcodechanged
• supportsCouponCode
• couponCode
• shippingContactEditingMode
• PaymentMethodChangeEvent
• ApplePayModifier
• Offering Apple Pay in Your App
• PKDeferredPaymentSummaryItem
• PKRecurringPaymentSummaryItem
• supportsCouponCode
• couponCode
• PKPaymentAuthorizationControllerDelegate

Hardware

• Nearby Interaction
• Hypervisor
• SensorKit
• DriverKit sample code

ShazamKit

• ShazamKit

Photos

• Delivering an Enhanced Privacy Experience in Your Photos App
• Selecting Photos and Videos in iOS
• PHPickerConfiguration

Education

• AEAssessmentConfiguration

TVUIKit

• TVUIKit

WidgetKit

• Increasing the visibility of widgets in Smart Stacks

See Also

Past releases

• WWDC25
• WWDC24
• WWDC23
• WWDC22