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“A Summary of the WWDC25 Group Lab”

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Reply to Using .glassEffect in Charts
Generally speaking, Liquid Glass is not a part of Swift Charts. For recommendations about using Liquid Glass I suggest reviewing the WWDC25 sessions about Liquid Glass. They discuss many considerations about how and where to employ the new Liquid Glass GUI features.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Jun ’25
WatchKit groups layout questions
Hi,I've started working on my first WatchKit app UI, and I've run into some things that I don't know if it's possible to solve in WatchKit without using SwiftUI (or at all):1) Is it possible to have a group element that's sized to fill all remaining space? E.g. have a vertical group set to fill whole screen height, one label at the top and one at the bottom, and some group in the middle automatically taking the space that's left between them. Or a horizontal group filling the screen width, with a label on the left and right and a spacer in between that uses whatever space is left.2) Is it possible to configure a group or another element to keep a constant aspect ratio, i.e. its width relative to its height or the other way around? E.g. to have an element configured to fill the screen width, and to automatically have the same height as the width, so that it always stays a perfect square.
1
0
544
Jun ’20
Reply to Looking for a way to implement the video display effect in Apple's 'Spatial Gallery'
Hi there! In visionOS 26, you can enable this spatial video styling in both AVPlayerViewController (from AVKit) and VideoPlayerComponent (from RealityKit). For full details on how to do so, check out the Support immersive video playback in visionOS apps video from WWDC25, which has a section dedicated to spatial video playback in VideoPlayerComponent.
Topic: Spatial Computing SubTopic: General Tags:
Jun ’25
WWDC 2017 Apple File System Lab
These questions are community-driven. I am also not the original questioner, I'm just posting them with permission. Thank you to the anonymous folks who helped gather this information.Question: Will ASR continue to function with APFS? If not, will imaging via HFS+ (possibly converting to APFS afterwards) continue to be supported moving forward?Answer: Yes, ASR will continue to be supported.Question: Is fdesetup going to be the tool for interacting with APFS encryption, or will there be a new command line tool for managing APFS encryption? If there's a new tool, what is it?Answer: Yes, fdesetup is still the tool to use going forward.Question: Will the APFS per-file encryption / per-metadata encryption / per-extant encryption mechanisms each need their own recovery key?Answer: Full Volume Encryption for FileVault. Unclear on whether there are recovery keys when using e.g. per file encryption.Question: Can APFS recovery key(s) be escrowed when enabling encryption? The goal is to store the recovery key(s) somewhe
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3.4k
Jun ’17
Reply to ubc_msync have a bug
(lldb) image lookup -a 0xffffff801a5ac283 Address: kernel[0xffffff80003ac283] (kernel.TEXT.text + 344707) Summary: kernelpanic + 99 at debug.c (lldb) image lookup -a 0xffffff801a6d91ea Address: kernel[0xffffff80004d91ea] (kernel.TEXT.text + 1577450) Summary: kernelpanic64 + 218 at trapnative.c:152 (lldb) image lookup -a 0xffffff801a55a51f Address: kernel[0xffffff800035a51f] (kernel.TEXT.text + 9503) Summary: kernelhndl_double_fault + 15 (lldb) image lookup -a 0xffffff801a6cd95f Address: kernel[0xffffff80004cd95f] (kernel.TEXT.text + 1530207) Summary: kernelusimplelock + 47 at machineroutines.c (lldb) image lookup -a 0xffffff801a5c95ad Address: kernel[0xffffff80003c95ad] (kernel.TEXT.text + 464301) Summary: kernelthread_dispatch + 445 at sched_prim.c:2768 (lldb) image lookup -a 0xffffff801a5c906e Address: kernel[0xffffff80003c906e] (kernel.TEXT.text + 462958) Summary: kernelthreadinvoke + 1710 at schedprim.c:2559 (lldb) image lookup -a 0xffffff801a5c7d0f Ad
Topic: App & System Services SubTopic: Core OS Tags:
Feb ’21
Unable to add build to group
Adding a build to a group of tester doesn't work for me.Steps:Navigate to itunes connectClick My AppsClick the appClick TestflightClick the name of the group (for me: External Testers)Click BuildClick Add a build to start testing (or click +)Click the build to make availableClick the button NextA spinner appears & this spinner won't go away (& the build will NOT be made available to the group of tester)Additional note: Chrome developer console shows an error message: TypeError: Cannot read property 'feedbackEmail' of undefined. (I've made sure all fields, especially any email fields, for the app-build etc contain information)
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27k
Apr ’17
Needed Actions for Group Feature
Hi! The app that I am building has the ability for users to join and be added to groups. Are there any requirements from Apple beyond the ability to leave and report the group that the user must be able to do? I read through the developer guidelines but I just wanted to make sure before submission. Thank you!
0
0
956
Aug ’22
how to make external group for testers?
Hi, I'm trying to set up external testing for my iOS app on TestFlight but I can't find the External Testing option anywhere in App Store Connect. My setup: I'm the Account Holder I've uploaded two builds (build 128 via TestFlight Internal Only, build 130 via App Store Connect distribution) I have one internal group with myself added as a tester Both builds show as Complete The UI I see does NOT match the documentation. There is no sidebar with Internal Testing / External Testing sections. I access TestFlight via a dropdown at the top of App Store Connect, which takes me to an iOS Builds list. Clicking into a build shows Test Information, Groups, and Individual Testers — but no way to create an External group or find a public link anywhere. I've tried navigating directly to appstoreconnect.apple.com/apps/[APPID]/testflight/groups but get We can't process your request. Is there a new App Store Connect UI that has moved where External Testing lives? Is there anything else tha
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0
76
1w
Reply to Old style tab bar
Here's what we said in WWDC25 Platforms State of the Union: As you evaluate your app's UI and the time you need to adopt the new design, we're providing an option to continue to use your app's current design with Xcode 26. We intend this option to be removed in the next major release. — Ed Ford,  DTS Engineer
Topic: UI Frameworks SubTopic: UIKit Tags:
Jun ’25
watchOS 2 new API summary
We read through all of the documentation, Xcode 7 header files, and tried to summarize everything we could figure out about watchOS 2. We hope this is a quick jumping off point for developers who just want a quick description and links directly into the Apple documentation. http://www.sneakycrab.com/blog/2015/6/8/watchos-20-tldrPlease give feedback, corrections and new discoveries, and we'll update the post with new information as we find it.
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313
Jun ’15
Bluetooth sync contact group
In iOS 10 Beta 7 how do you sync only selected contact groups via Bluetooth to car system? In iOS 9 (and earlier versions) under the Bluetooth settings you could see, and select, individual contact groups but under iOS 10 there is only the option to select 'All Contacts'.
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8
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0
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2.8k
Activity
Aug ’16
Reply to Guidance for cases when you can link to an external shop from an app
Thank you for your question. During WWDC, you can take advantage of Labs, where Apple engineers, designers, and App Store experts can provide personalized guidance to your questions. Labs are available through the end of WWDC on June 9. Visit Apple Developer to learn more about eligibility and request an appointment.
Topic: App & System Services SubTopic: StoreKit Tags:
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Jun ’23
How to remove empty subscription group
I am getting rejected from Apple because of subscription groups that I do not use. How can I solve this?
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0
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0
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434
Activity
Apr ’21
Reply to How to get multiple camera streams?
Enquired about this during a lab session at WWDC and you cannot get multiple camera streams.
Topic: Programming Languages SubTopic: Swift Tags:
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Jul ’23
Reply to Using .glassEffect in Charts
Generally speaking, Liquid Glass is not a part of Swift Charts. For recommendations about using Liquid Glass I suggest reviewing the WWDC25 sessions about Liquid Glass. They discuss many considerations about how and where to employ the new Liquid Glass GUI features.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Replies
Boosts
Views
Activity
Jun ’25
WatchKit groups layout questions
Hi,I've started working on my first WatchKit app UI, and I've run into some things that I don't know if it's possible to solve in WatchKit without using SwiftUI (or at all):1) Is it possible to have a group element that's sized to fill all remaining space? E.g. have a vertical group set to fill whole screen height, one label at the top and one at the bottom, and some group in the middle automatically taking the space that's left between them. Or a horizontal group filling the screen width, with a label on the left and right and a spacer in between that uses whatever space is left.2) Is it possible to configure a group or another element to keep a constant aspect ratio, i.e. its width relative to its height or the other way around? E.g. to have an element configured to fill the screen width, and to automatically have the same height as the width, so that it always stays a perfect square.
Replies
1
Boosts
0
Views
544
Activity
Jun ’20
Reply to Looking for a way to implement the video display effect in Apple's 'Spatial Gallery'
Hi there! In visionOS 26, you can enable this spatial video styling in both AVPlayerViewController (from AVKit) and VideoPlayerComponent (from RealityKit). For full details on how to do so, check out the Support immersive video playback in visionOS apps video from WWDC25, which has a section dedicated to spatial video playback in VideoPlayerComponent.
Topic: Spatial Computing SubTopic: General Tags:
Replies
Boosts
Views
Activity
Jun ’25
WWDC 2017 Apple File System Lab
These questions are community-driven. I am also not the original questioner, I'm just posting them with permission. Thank you to the anonymous folks who helped gather this information.Question: Will ASR continue to function with APFS? If not, will imaging via HFS+ (possibly converting to APFS afterwards) continue to be supported moving forward?Answer: Yes, ASR will continue to be supported.Question: Is fdesetup going to be the tool for interacting with APFS encryption, or will there be a new command line tool for managing APFS encryption? If there's a new tool, what is it?Answer: Yes, fdesetup is still the tool to use going forward.Question: Will the APFS per-file encryption / per-metadata encryption / per-extant encryption mechanisms each need their own recovery key?Answer: Full Volume Encryption for FileVault. Unclear on whether there are recovery keys when using e.g. per file encryption.Question: Can APFS recovery key(s) be escrowed when enabling encryption? The goal is to store the recovery key(s) somewhe
Replies
2
Boosts
0
Views
3.4k
Activity
Jun ’17
Reply to ubc_msync have a bug
(lldb) image lookup -a 0xffffff801a5ac283 Address: kernel[0xffffff80003ac283] (kernel.TEXT.text + 344707) Summary: kernelpanic + 99 at debug.c (lldb) image lookup -a 0xffffff801a6d91ea Address: kernel[0xffffff80004d91ea] (kernel.TEXT.text + 1577450) Summary: kernelpanic64 + 218 at trapnative.c:152 (lldb) image lookup -a 0xffffff801a55a51f Address: kernel[0xffffff800035a51f] (kernel.TEXT.text + 9503) Summary: kernelhndl_double_fault + 15 (lldb) image lookup -a 0xffffff801a6cd95f Address: kernel[0xffffff80004cd95f] (kernel.TEXT.text + 1530207) Summary: kernelusimplelock + 47 at machineroutines.c (lldb) image lookup -a 0xffffff801a5c95ad Address: kernel[0xffffff80003c95ad] (kernel.TEXT.text + 464301) Summary: kernelthread_dispatch + 445 at sched_prim.c:2768 (lldb) image lookup -a 0xffffff801a5c906e Address: kernel[0xffffff80003c906e] (kernel.TEXT.text + 462958) Summary: kernelthreadinvoke + 1710 at schedprim.c:2559 (lldb) image lookup -a 0xffffff801a5c7d0f Ad
Topic: App & System Services SubTopic: Core OS Tags:
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Activity
Feb ’21
Can you group a bunch of UI controls?
Is there a way to group a bunch of UI controls so you can perform constraints on them when using Interface Builder?
Replies
1
Boosts
0
Views
310
Activity
Jun ’16
Unable to add build to group
Adding a build to a group of tester doesn't work for me.Steps:Navigate to itunes connectClick My AppsClick the appClick TestflightClick the name of the group (for me: External Testers)Click BuildClick Add a build to start testing (or click +)Click the build to make availableClick the button NextA spinner appears & this spinner won't go away (& the build will NOT be made available to the group of tester)Additional note: Chrome developer console shows an error message: TypeError: Cannot read property 'feedbackEmail' of undefined. (I've made sure all fields, especially any email fields, for the app-build etc contain information)
Replies
13
Boosts
0
Views
27k
Activity
Apr ’17
Needed Actions for Group Feature
Hi! The app that I am building has the ability for users to join and be added to groups. Are there any requirements from Apple beyond the ability to leave and report the group that the user must be able to do? I read through the developer guidelines but I just wanted to make sure before submission. Thank you!
Replies
0
Boosts
0
Views
956
Activity
Aug ’22
how to make external group for testers?
Hi, I'm trying to set up external testing for my iOS app on TestFlight but I can't find the External Testing option anywhere in App Store Connect. My setup: I'm the Account Holder I've uploaded two builds (build 128 via TestFlight Internal Only, build 130 via App Store Connect distribution) I have one internal group with myself added as a tester Both builds show as Complete The UI I see does NOT match the documentation. There is no sidebar with Internal Testing / External Testing sections. I access TestFlight via a dropdown at the top of App Store Connect, which takes me to an iOS Builds list. Clicking into a build shows Test Information, Groups, and Individual Testers — but no way to create an External group or find a public link anywhere. I've tried navigating directly to appstoreconnect.apple.com/apps/[APPID]/testflight/groups but get We can't process your request. Is there a new App Store Connect UI that has moved where External Testing lives? Is there anything else tha
Replies
1
Boosts
0
Views
76
Activity
1w
Reply to Old style tab bar
Here's what we said in WWDC25 Platforms State of the Union: As you evaluate your app's UI and the time you need to adopt the new design, we're providing an option to continue to use your app's current design with Xcode 26. We intend this option to be removed in the next major release. — Ed Ford,  DTS Engineer
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
Boosts
Views
Activity
Jun ’25
watchOS 2 new API summary
We read through all of the documentation, Xcode 7 header files, and tried to summarize everything we could figure out about watchOS 2. We hope this is a quick jumping off point for developers who just want a quick description and links directly into the Apple documentation. http://www.sneakycrab.com/blog/2015/6/8/watchos-20-tldrPlease give feedback, corrections and new discoveries, and we'll update the post with new information as we find it.
Replies
0
Boosts
0
Views
313
Activity
Jun ’15