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“A Summary of the WWDC26 Group Lab”

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WWDC25 Metal & game technologies group lab
Hello, Thank you for attending today’s Metal & game technologies group lab at WWDC25! We were delighted to answer many questions from developers and energized by the community engagement. We hope you enjoyed it and welcome your feedback. We invite you to carry on the conversation here, particularly if your question appeared in Slido and we were unable to answer it during the lab. If your question received feedback let us know if you need clarification. You may want to ask your question again in a different lab e.g. visionOS tomorrow. (We realize that this can be confusing when frameworks interoperate) We have a lot to learn from each other so let’s get to Q&A and make the best of WWDC25! 😃 Looking forward to your questions posted in new threads.
Topic: Graphics & Games SubTopic: Metal Tags:
2
0
553
Jun ’25
Power & Performance Group Lab Questions
Since my questions were never answer and no replies during the group lab, I'm posting them here: When does vapor chamber cooling activate on the new iPhone 17 Pro devices? Does the system handle the cooling in those scenarios, can developer activate it? Does volume level affect performance/battery? Can you discuss bluetooth connections to AirPods Pro 3/AirPods Pro Max and impact on battery? Is there an API to detect thermal changes and what are UI changes that can reduce thermal impact when app is in background and foreground? Whats the best way to profile Power usage and battery drain when an application is processing, working in background and multimodal? Thank you.
Topic: Developer Tools & Services SubTopic: Instruments Tags:
1
0
88
1w
modifying labs
I teach Swift coding to high school students. I would like to be able to assign the various labs in the Fundamentals curriculum where I reduce the opportunities for cheating. Students will share images of the coding answers with each other or they can go on the internet to see the answers. I would like individualize the labs for each student. For example: When they have an assignment where the directions require a longitude property to be set to 50.001. Then changed to another number. I would like to automatically generate slightly different numbers in the lab (a different number for each student) and then save this new lab in the intended student's name. Is that possible? Is it easy to do? Harold Peaden
Topic: Developer Tools & Services SubTopic: General Tags:
0
0
479
Nov ’23
Reply to WWDC Group Labs
[quote='832420021, justinfrombaldwinsville, /thread/832420, /profile/justinfrombaldwinsville'] Also why not record the group labs [/quote] They're already available on YouTube! https://www.youtube.com/@AppleDeveloper/streams
Topic: Community SubTopic: Apple Developers
1w
Reply to Proper Provisiong Profile for Finder Sync Extension
Thank you for your support. These are the results of my experiments: I configured the Product > Analyze action to build in Release, and the resulting app works as expected: the Extension is recognised and loaded, in a fully functional way. I followed the steps to Archive & Export the app, using several signing methods. Namely: a) (From the organizer) Distribute app > Custom > Direct Distribution > Export > Developement Team = HIVE DIGITAL LABS > Automatically manage signing. Then the summary shows: Team: HIVE DIGITAL LABS SRL Certificate: Developer ID Application (Expires 01/02/27) Profile: None b) Distribute app > Custom > Direct Distribution > Export > Development Team = HIVE DIGITAL LABS > Manually manage signing, then I use my team's Developer ID certificate, proper Eligible profiles, and the summary shows: Team: HIVE DIGITAL LABS SRL Certificate: Developer ID Application (Expires 01/02/27) Profile: Release Cut and
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles Tags:
Apr ’25
SceneKit Labs?
Are there any hands-on or directed labs for SceneKit anytime in the near future? Are there any recent SceneKit guides from Apple? There aren't many current resources online so I'm pretty much stuck just reading documentation and experimenting on my own (which feels inefficient).
Topic: Graphics & Games SubTopic: SceneKit Tags:
0
0
691
Sep ’21
Swift Summary Format
Hi.I'm having difficulty setting the summary format for my Swift classes.I have a class, class Foo { var name: String }, and desire its name variable to be displayed when an instance is listed in Xcode's Variables View.I can get as far as right clicking an instance in the Variables View and selecting Edit Summary Format..., but the correct format eludes me.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
2
0
1.9k
Dec ’15
WWDC Lab feedback
I am writing to follow up with my lab in WWDC24. I had 1:1 lab with Mr. Kavin, we had good 30 minutes lab and for follow up questions Kavin asked me to post it using feedback. Following is my questin: We have screenshare in our application and trying to use CFMessagePort for passing CVPixelBufferRef from broadcast extension to Applicaiton. Questions: How to copy planes of IOSurface backed CVPixelBufferRef onto another one without using memcpy, is there a zero-copy method? How to get notified when an IOSurface backed CVPixelBufferRef data get changed by another process. How to send an IOSurface backed CVPixelBufferRef from Broadcast Extension to application. How to pass unowned IOSurfaceRef from the Broadcast Extension to appliction.
Topic: Media Technologies SubTopic: Video Tags:
0
0
537
Jun ’24
WWDC25 Metal & game technologies group lab
Hello, Thank you for attending today’s Metal & game technologies group lab at WWDC25! We were delighted to answer many questions from developers and energized by the community engagement. We hope you enjoyed it and welcome your feedback. We invite you to carry on the conversation here, particularly if your question appeared in Slido and we were unable to answer it during the lab. If your question received feedback let us know if you need clarification. You may want to ask your question again in a different lab e.g. visionOS tomorrow. (We realize that this can be confusing when frameworks interoperate) We have a lot to learn from each other so let’s get to Q&A and make the best of WWDC25! 😃 Looking forward to your questions posted in new threads.
Topic: Graphics & Games SubTopic: Metal Tags:
Replies
2
Boosts
0
Views
553
Activity
Jun ’25
Power & Performance Group Lab Questions
Since my questions were never answer and no replies during the group lab, I'm posting them here: When does vapor chamber cooling activate on the new iPhone 17 Pro devices? Does the system handle the cooling in those scenarios, can developer activate it? Does volume level affect performance/battery? Can you discuss bluetooth connections to AirPods Pro 3/AirPods Pro Max and impact on battery? Is there an API to detect thermal changes and what are UI changes that can reduce thermal impact when app is in background and foreground? Whats the best way to profile Power usage and battery drain when an application is processing, working in background and multimodal? Thank you.
Topic: Developer Tools & Services SubTopic: Instruments Tags:
Replies
1
Boosts
0
Views
88
Activity
1w
Group Labs on YouTube -- thanks!
Didn't know these would be published on the Apple Developer YouTube channel, these are great if you have scheduling conflicts in attending live. Thanks dev team!
Topic: Community SubTopic: Apple Developers
Replies
2
Boosts
0
Views
79
Activity
1w
How to fetch Lab Name and Lab Result Panel from Health Kit
Hello Team, We are Testing Health Records feature into our Patient Application. We have imported sample data available in Simulator and modelling it using FHIR Model. We are trying to group test results based on Origin(Lab Name and Result Date) of Lab Reports. But we are not able to retrieve Lab Name and Lab Test Panel Mapping information.
Topic: App & System Services SubTopic: Health & Fitness Tags:
Replies
3
Boosts
0
Views
744
Activity
Sep ’21
Scenekit labs?
How can I ask questions about Scenekit? Looks like there are no labs? Should I apply for a Metal or realityKit lab and ask SceneKit questions?
Topic: Graphics & Games SubTopic: SceneKit Tags:
Replies
1
Boosts
0
Views
709
Activity
Jun ’20
Reply to Game Center Challenges not showing in App Store Connect or xcode 16.4
If you're attending WWDC25 there's a Metal & game technologies group lab today at 4PM PST. This would be a good question to ask there.
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
Replies
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Activity
Jun ’25
modifying labs
I teach Swift coding to high school students. I would like to be able to assign the various labs in the Fundamentals curriculum where I reduce the opportunities for cheating. Students will share images of the coding answers with each other or they can go on the internet to see the answers. I would like individualize the labs for each student. For example: When they have an assignment where the directions require a longitude property to be set to 50.001. Then changed to another number. I would like to automatically generate slightly different numbers in the lab (a different number for each student) and then save this new lab in the intended student's name. Is that possible? Is it easy to do? Harold Peaden
Topic: Developer Tools & Services SubTopic: General Tags:
Replies
0
Boosts
0
Views
479
Activity
Nov ’23
Labs and playgrounds
I am trying to view a lab from the Explorations Book (Structures) and I am getting the playground. Can anyone help me here?
Topic: Developer Tools & Services SubTopic: Swift Playground Tags:
Replies
1
Boosts
0
Views
1k
Activity
Dec ’22
Reply to WWDC Group Labs
[quote='832420021, justinfrombaldwinsville, /thread/832420, /profile/justinfrombaldwinsville'] Also why not record the group labs [/quote] They're already available on YouTube! https://www.youtube.com/@AppleDeveloper/streams
Topic: Community SubTopic: Apple Developers
Replies
Boosts
Views
Activity
1w
Reply to Proper Provisiong Profile for Finder Sync Extension
Thank you for your support. These are the results of my experiments: I configured the Product > Analyze action to build in Release, and the resulting app works as expected: the Extension is recognised and loaded, in a fully functional way. I followed the steps to Archive & Export the app, using several signing methods. Namely: a) (From the organizer) Distribute app > Custom > Direct Distribution > Export > Developement Team = HIVE DIGITAL LABS > Automatically manage signing. Then the summary shows: Team: HIVE DIGITAL LABS SRL Certificate: Developer ID Application (Expires 01/02/27) Profile: None b) Distribute app > Custom > Direct Distribution > Export > Development Team = HIVE DIGITAL LABS > Manually manage signing, then I use my team's Developer ID certificate, proper Eligible profiles, and the summary shows: Team: HIVE DIGITAL LABS SRL Certificate: Developer ID Application (Expires 01/02/27) Profile: Release Cut and
Topic: Code Signing SubTopic: Certificates, Identifiers & Profiles Tags:
Replies
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Views
Activity
Apr ’25
Developer Account Summary
I cannot seem to change my address and phone in Developer Account Summary sectionMember Center > Your Account > Developer Account Summaryit seems to have different information vs Member Center > Your Account > Apple ID Summaryso changing my Apple ID info does nothing to Developer Account Summary
Topic: Developer Tools & Services SubTopic: Developer Forums Tags:
Replies
6
Boosts
0
Views
1.1k
Activity
Jun ’15
SceneKit Labs?
Are there any hands-on or directed labs for SceneKit anytime in the near future? Are there any recent SceneKit guides from Apple? There aren't many current resources online so I'm pretty much stuck just reading documentation and experimenting on my own (which feels inefficient).
Topic: Graphics & Games SubTopic: SceneKit Tags:
Replies
0
Boosts
0
Views
691
Activity
Sep ’21
Swift Summary Format
Hi.I'm having difficulty setting the summary format for my Swift classes.I have a class, class Foo { var name: String }, and desire its name variable to be displayed when an instance is listed in Xcode's Variables View.I can get as far as right clicking an instance in the Variables View and selecting Edit Summary Format..., but the correct format eludes me.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Replies
2
Boosts
0
Views
1.9k
Activity
Dec ’15
WWDC Lab feedback
I am writing to follow up with my lab in WWDC24. I had 1:1 lab with Mr. Kavin, we had good 30 minutes lab and for follow up questions Kavin asked me to post it using feedback. Following is my questin: We have screenshare in our application and trying to use CFMessagePort for passing CVPixelBufferRef from broadcast extension to Applicaiton. Questions: How to copy planes of IOSurface backed CVPixelBufferRef onto another one without using memcpy, is there a zero-copy method? How to get notified when an IOSurface backed CVPixelBufferRef data get changed by another process. How to send an IOSurface backed CVPixelBufferRef from Broadcast Extension to application. How to pass unowned IOSurfaceRef from the Broadcast Extension to appliction.
Topic: Media Technologies SubTopic: Video Tags:
Replies
0
Boosts
0
Views
537
Activity
Jun ’24
VisionOS Developer Labs
Any other VisionOS Devs been denied to go to a Vision Pro Developer Lab event?
Topic: App & System Services SubTopic: Core OS Tags:
Replies
0
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0
Views
325
Activity
Mar ’24