It's Day 4 of WWDC and a fresh round of Digital Lounges, labs, and activities awaits you. Before we kick off Thursday, catch up on yesterday's dispatch:

WWDC22 Day 3 recap

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Spotlight on sessions, Digital Lounges, and labs

We’ve got a packed Thursday for you! Discover the latest updates to Vision, learn how to write for interfaces and collaborate with Messages, find out how to use SwiftUI with UIKit, create complications with WidgetKit, and — a WWDC first! — watch "Design for Arabic" delivered in Arabic by presenter Mohamed Samir.

What's new in Vision

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Design for Collaboration with Messages

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Writing for interfaces

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Use SwiftUI with UIKit

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Design for Arabic · صمّم بالعربي

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And once you're finished watching sessions for the day, join the Digital Lounges for more great Q&A from our design, photos, and Swift teams as well as live watch parties with the presenter of "Explore design navigation on iOS."

Meet the Presenter: Explore design navigation on iOS

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Meet the Presenter: Reach new players with Game Center dashboard

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Q&A: Xcode Cloud and testing

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Q&A: Photos and PhotoKit

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Q&A: Swift Charts

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Thursday is also your final day to request a lab appointment for a conversation with Apple engineers and designers. Come say hi and ask your questions!

Trivia Night is back

WWDC Trivia Night returns tonight at 6 p.m. PT in the Developer Tools Lounge. Put your brain to the test on such pressing questions as: What was the first supported programming language for Mac development? What’s the deal with 9:41? Come test your wits, compete with your friends and Apple staff, and suggest questions to stump the experts in the room.

Trivia Night

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Where we're going, we don't need roads

We're going back in time with our Thursday Throwback SwiftUI challenge! Create a SwiftUI view that reimagines your app clothed in the interfaces of the past. Dress your UI up in the grayscale style of System 6, the linen of early iPhoneOS, or another time period entirely! Visit the SwiftUI Study Hall to collaborate on the “Throwback Thursday” coding challenge. Ask questions, connect with other developers, and share your creations or on Twitter using the hashtag #WWDC22Challenges.

Study Hall: Throwback Thursday

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Headphones on

An immersive app doesn’t only look and feel great — it has to sound incredible, too. During WWDC, we spoke with four Apple Design Award finalists about the sensational sounds of their apps and games: the incredible and immersive soundscape app Odio; the elegant and jazz-fueled Please, Touch the Artwork; the longstanding mindfulness resource Headspace; and the gorgeous tap-along rhythm game A Musical Story.

Sound advice

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Spin the music of WWDC

And speaking of music: Give our official WWDC playlists a listen — they’re perfect if you need chill background music or a little audio kick to get you going.

Listen to WWDC22 playlists on Apple Music

Have fun out there, and we’ll see you tomorrow to close out WWDC22!