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WWDC21 Daily Digest: Day 3

Welcome to day 3 of WWDC! Hope you’re staying fresh and focused — we’ve got a lot to show you today. Here’s a look at what the day has in store. (And make sure you don’t miss a thing this week by signing up for WWDC notifications in the Developer app — available for iPhone, iPad, and Mac.)

Travel back in time

But only to yesterday: Here’s the official recap of WWDC21, Day 2.


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Symbols, signals, and sessions

Check out more than 60 new sessions: Demystify SwiftUI. Strike a pose (a hand pose, that is). And explore a series of concurrency sessions (which happen one at a time, we promise) in Swift.


Demystify SwiftUI

Explore SF Symbols 3


Discoverable design


Review code and collaborate in Xcode


Discover geometry-aware audio with the Physical Audio Spatialization Engine (PHASE)


Detect people, faces, and poses using Vision


Explore advanced rendering with RealityKit 2


Enhance your app with Metal ray tracing


AR Quick Look, meet Object Capture


Meet TextKit 2


Adopt Quick Note


Secure login with iCloud Keychain verification codes


Triage TestFlight crashes in Xcode Organizer


Symbolication: Beyond the basics


Swift concurrency: Update a sample app

Is that a challenge?

Discover fun, interactive ways to learn about the latest technologies and frameworks. Challenge yourself to explore something new this WWDC — and share your creations with others through the Developer Forums (WWDC21-challenges), select Digital Lounges, and social media (#WWDC21Challenges).

Challenge: Animated artistry in SwiftUI

Challenge: Large Text

Challenge: Throwback with SwiftUI

Challenge: Design multi-step Shortcuts

Challenge: Achievement Unlocked – Title Teasers

Challenge: Create a musical instrument in Swift Playgrounds

Challenge: Design for declarative device management in your MDM solution

A trivial night in the lounges

Tonight is Trivia Night in the Developer Tools Digital Lounge, where you’ll face rapid-fire multiple choice questions on tools and frameworks starting at 7 p.m. PDT. And at midday, we host engineers Josh Shaffer and Jacob Xiao for a live Q&A starting at 3 p.m. PT.

Register for the Digital Lounges

Visit the Developer Tools Digital Lounge (Requires registration)

Explore an accessible world

At 11 a.m. PDT, engineers and designers behind the Apple Watch share stories about Apple’s approach to accessible design, constant iteration, and community engagement.

Coming Jun 9

Accessibility by design: An Apple Watch for everyone

Speaking of music…

We explored the power of music and audio with the sonic wizards behind five of our favorite apps: the kids’ sandbox Pok Pok Playroom, the interactive bedtime story Loona, the incredible AI-powered NaadSadhana, the inclusive and inventive If Found…, and the extremely summery Poolsuite FM. Find out how they make their apps sound note-perfect right here.

Music makers

Mindful Cooldowns for Coding… powered by Fitness+

Close out Wednesday at WWDC at 3 p.m. PDT with a 10-minute Mindful Cooldown for Coding with Fitness+ trainer Jessica Skye.

Coming Jun 9

Wednesday’s Mindful Cooldown for Coding… brought to you by Fitness+

That’s it! See you tomorrow!

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