Hello Developer: December 2023

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Welcome to Hello Developer. In this edition: Check out new videos on Game Center and the Journaling Suggestions API, get visionOS guidance straight from the spatial design team, meet three App Store Award winners, peek inside the time capsule that is Ancient Board Game Collection, and more.
VIDEOS
Manage Game Center with the App Store Connect API

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In this new video, discover how you can use the App Store Connect API to automate your Game Center configurations outside of App Store Connect on the web.
https://devimages-cdn.apple.com/wwdc...250x141_2x.jpg Manage Game Center with the App Store Connect API

Discover how you can use the App Store Connect API to automate your Game Center configurations outside of App Store Connect on the web. Find out how the API can help you create achievements and leaderboards and share them between related games using groups. And learn how to enable and configure...
Watch now And find out how the new Journaling Suggestions API can help people reflect on the small moments and big events in their lives through your app — all while protecting their privacy.
https://devimages-cdn.apple.com/wwdc...250x141_2x.jpg Discover the Journaling Suggestions API

Find out how the new Journaling Suggestions API can help people reflect on the small moments and big events in their lives though your app — all while protecting their privacy. Learn how to leverage the API to retrieve assets and metadata for journaling suggestions, invoke a picker on top of the...
Watch now Q&A
Get your spatial design questions answered

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What’s the best way to make a great first impression in visionOS? What’s a “key moment”? And what are some easy methods for making spatial computing visual design look polished? Get answers to these questions and more.
https://devimages-cdn.apple.com/wwdc...250x141_2x.jpg Q&A: Spatial design for visionOS

Get expert advice from the Apple design team on creating experiences for Apple Vision Pro.
View now FEATURED
Celebrate the winners of the 2023 App Store Awards

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Every year, the App Store celebrates exceptional apps that improve people’s lives while showcasing the highest levels of technical innovation, user experience, design, and positive cultural impact. Find out how the winning teams behind Finding Hannah, Photomator, and Unpacking approached their incredible work this year.
https://devimages-cdn.apple.com/wwdc...250x141_2x.jpg “We’re trying to drive change": Meet three App Store Award-winning teams

Read the stories behind Finding Hannah, Photomator, and Unpacking.
View now Missed the big announcement? Check out the full list of 2023 winners.
NEWS
Xcode Cloud now included with membership

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Starting January 2024, all Apple Developer Program memberships will include 25 compute hours per month on Xcode Cloud as a standard, with no additional cost. Learn more.
BEHIND THE DESIGN
Travel back in time with Ancient Board Game Collection

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Klemens Strasser’s Ancient Board Game Collection blends the new and the very, very old. Its games date back centuries: Hnefatafl is said to be nearly 1,700 years old, while the Italian game Latrunculi is closer to 2,000. “I found a book on ancient board games by an Oxford professor and it threw me right down a rabbit hole,” Strasser says. Find out how the Austria-based developer and a team of international artists gave these ancient games new life.
https://devimages-cdn.apple.com/wwdc...250x141_2x.jpg With Ancient Board Game Collection, Klemens Strasser goes back in time

Discover how the title blends the new and the (very) old.
View now DOCUMENTATION
Get creative with 3D immersion, games, SwiftUI, and more

This month’s new sample code, tutorials, and documentation cover everything from games to passing control between apps to addressing reasons for common crashes. Here are a few highlights:

• Game Center matchmaking essentials, rules, and testing: Learn how to create custom matchmaking rules for better matches between players and test the rules before applying them.
  
• Incorporating real-world surroundings in an immersive experience: This sample code project helps you use scene reconstruction in ARKit to give your app an idea of the shape of the person’s surroundings and to bring your app experience into their world.
  
• Creating a macOS app: Find out how to bring your SwiftUI app to macOS, including adding new views tailored to macOS and modifying others to work better across platforms.
  
• Creating a watchOS app: Find out how to bring your SwiftUI app to watchOS, including customizing SwiftUI views to display the detail and list views on watchOS.

View the full list of new resources.
View what’s new in the Human Interface Guidelines.
NEWS
Catch up on the latest updates

• App Store holiday schedule: We’ll remain open throughout the holiday season and look forward to accepting your submissions. However, reviews may take a bit longer to complete from December 22 to 27.
  
• Sandbox improvements: Now you can change a test account’s storefront, adjust subscription renewal rates, clear purchase history, simulate interrupted purchase flows directly on iPhone or iPad, and test Family Sharing.
  
• New software releases: Build your apps using the latest developer tools and test them on this week’s OS releases. Download Xcode 15.1 RC, and the RC versions of iOS 17.2, iPadOS 17.2, macOS 14.2, tvOS 17.2, and watchOS 10.2.

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