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“A Summary of the WWDC26 Group Lab”

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Reply to New Design - impact to color use in existing app SwiftUI View
As part of the 6/12/25 SwiftUI Group lab, Curt and Taylor spoke to this specifically related to use of color in liquid glass SwiftUI views and that use of color should be limited. However, they didn’t speak to how to put color back into List View outline disclosure carets that aren’t there in new iOS/iPad OS 26. I would still like to know if I can add color back into the carets. Here was my group lab question that was discussed: “I’ve noticed with the new design language, SwiftUI views appear to not use color as much. Example, color modifiers for List View items like carets. Is this intended and can developers introduce color back into SwiftUI view elements, if desired, like in iOS/iPadOS 18?”
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Jun ’25
Reply to Outer and inner displays transition
Hello! This question is answered in the Summary of the iPhone Duo Group Lab https://developer.apple.com/forums/thread/847644 How should apps preserve state — text input, scroll position, video playback, camera sessions — during hinge angle transitions? For example, when a LazyVGrid's column count changes because the device folds, does SwiftUI preserve scroll position automatically, or should you use scrollPosition(id:)? The system generally preserves text input and scroll position automatically since hinge angle changes are represented as size-class and trait updates, not a scene disconnect or app termination. This applies even to cases like a LazyVGrid column-count change triggered by opening or closing the device — apps typically don't need to manually manage scroll position with scrollPosition(id:anchor:) for this transition. For more info, see Prepare your app for iPhone Duo.
Topic: SwiftUI SubTopic:
iPhone Duo SwiftUI Q&A
Sep ’26
Developer Lab no show?
My WWDC24 Developer Lab confirmation email said to come here if there are questions or issues. Well I was on the Webex at the appointed time and no one showed up. What is my next course of action?
Topic: Community SubTopic: Apple Developers
1
0
785
Jun ’24
Apple Developer Labs for visionOS closed?
Hi, I was going to apply to the Developer Labs for Vision Pro, but I've never gone through this process in the Apple ecosystem. Are the developer labs still open? On the website, there is a button to apply, but it takes me to a page with no upcoming events. I want to make sure I'm not missing something, or need to upgrade my account in order to apply to the developer labs https://developer.apple.com/visionos/labs/
Topic: App & System Services SubTopic: Core OS Tags:
2
0
995
Aug ’23
VoiceOver with Swift Charts summaries
I had a VoiceOver user point out an issue with my app that I’ve definitely known about but have never been able to fix. I thought that I had filed feedback for it but it looks like I didn’t. Before I do I’m hoping someone has some insight. With Swift Charts when I tap part of a chart it summarizes the three hours and then you can swipe vertically to hear it read out details of each hour. For example, the Y-Axis is the amount of precipitation for the hour and the X-Axis is the hours of the day. The units aren't being read in the summary but they are for individual hours when you vertical swipe. The summary says something such as varies between 0.012 and 0.082. In the AXChartDescriptor I’ve tried everything I can think of, including adding a label to the Y axis in the DataPoint but nothing seems to work in getting that summary to include units. With a vertical swipe it seems to just be using my accessibility label and value (like I would expect).
Topic: Accessibility & Inclusion SubTopic: General Tags:
1
0
1.6k
Feb ’26
Does AU Lab support AU v3?
I cannot seem to get AU Lab to see the FilterDemo v3 AU created by the Apple sample code in AU Lab. I can see it in Garage Band. I found some references to AU Lab not supporting v3 AUs, though it is almost shocking that an Apple test tool doesn't support AU v3. I looked for a later version of AU Lab but that is also frustrating (my version is 2.2.2).So the question is simple - is there a version of AU Lab that does support v3 AUs, and if so, where can I find it? If not, can someone recommend a good alternative? Using GarageBand or Logic Pro is really not what I want to do when I'm testing AudioUnits, especially when I want more free form routing.
Topic: Media Technologies SubTopic: Audio Tags:
2
0
799
Oct ’16
How to help Instrument's Swift task task lifetime summary group the same tasks so that the count for tasks is not always 1.
This is a screenshot from the Swift Task track in Xcode. I made these tasks with public actor ResourceManager { func foo() { for observer in observers { Task(name: ResourceManager notify observers) { await notification(observer) } } } } I am confused why each of the task is showing as a separate task in the task lifetime summary. Is there a way to queue the trace in Instruments into the fact that these are indeed the same task?
Topic: Developer Tools & Services SubTopic: Instruments Tags:
1
0
1.1k
Dec ’25
Reply to How to force soft scrollEdgeEffectStyle in iOS 26?
I believe the solution to this problem is to use the new safeAreaBar(edge:alignment:spacing:content:) view modifier, as suggested by its documentation and a comment made during the SwiftUI group lab. However, I also believe that this modifier is currently broken (as of beta 2), because its behaviour seems to be no different to using safeAreaInset. I have filed feedback for this: FB18350439.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Jun ’25
Friday Networking Lab
Question:Will the Hypervisor framework in macOS Sierra provide bridged networking? The reason I’m asking is that this will allow VMs hosted by the Hypervisor framework to obtain and use their own IP address; rather than use a NAT.If providing bridged networking is a security concern, has Apple considered adding an Apple-signed entitlement to control approval of the feature in the App Store?Answer:This is not in Sierra and is not currently planned for it. Please file bugs and feature requests if you want to see this in the next major macOS release.See complete list of session and lab notes here:https://forums.developer.apple.com/message/142899
Topic: App & System Services SubTopic: Core OS Tags:
0
0
571
Jun ’16
Reply to Will Icon Composer support development of tvOS and visionOS icons?
We couldn't get to this question during the group lab session today, but we certainly saw it during the lab and appreciate you coming and asking about this! As you found, Icon Composer supports iOS, macOS, and watchOS icons. For tvOS and visionOS, you can preview the icon in Xcode through your asset catalog, or by using the Parallax Previewer app available for download on the Apple Design Resources page. I encourage you to create an Enhancement Request in Feedback Assistant for Icon Composer to gain support for visionOS and tvOS icons. Please post the FB number here! — Ed Ford,  DTS Engineer
Topic: Developer Tools & Services SubTopic: General Tags:
Jun ’25
Xcode playgrounds labs remove directions
I am starting to walk throught the App Development with Swift iBook and I have downloaded the App Development Swift Student labs. When I open a lab in Xcode there are directions and then places to write code. Once I start writing code the directions for the first problem disappear and I cant see them again to finish writing the code. How can I get the directions to stop dissapearing when trying to do the labs?I am using Xcode version 9.3.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
8
0
2.2k
Apr ’18
Reply to New Design - impact to color use in existing app SwiftUI View
As part of the 6/12/25 SwiftUI Group lab, Curt and Taylor spoke to this specifically related to use of color in liquid glass SwiftUI views and that use of color should be limited. However, they didn’t speak to how to put color back into List View outline disclosure carets that aren’t there in new iOS/iPad OS 26. I would still like to know if I can add color back into the carets. Here was my group lab question that was discussed: “I’ve noticed with the new design language, SwiftUI views appear to not use color as much. Example, color modifiers for List View items like carets. Is this intended and can developers introduce color back into SwiftUI view elements, if desired, like in iOS/iPadOS 18?”
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Replies
Boosts
Views
Activity
Jun ’25
Reply to Outer and inner displays transition
Hello! This question is answered in the Summary of the iPhone Duo Group Lab https://developer.apple.com/forums/thread/847644 How should apps preserve state — text input, scroll position, video playback, camera sessions — during hinge angle transitions? For example, when a LazyVGrid's column count changes because the device folds, does SwiftUI preserve scroll position automatically, or should you use scrollPosition(id:)? The system generally preserves text input and scroll position automatically since hinge angle changes are represented as size-class and trait updates, not a scene disconnect or app termination. This applies even to cases like a LazyVGrid column-count change triggered by opening or closing the device — apps typically don't need to manually manage scroll position with scrollPosition(id:anchor:) for this transition. For more info, see Prepare your app for iPhone Duo.
Topic: SwiftUI SubTopic:
iPhone Duo SwiftUI Q&A
Replies
Boosts
Views
Activity
Sep ’26
Developer Lab no show?
My WWDC24 Developer Lab confirmation email said to come here if there are questions or issues. Well I was on the Webex at the appointed time and no one showed up. What is my next course of action?
Topic: Community SubTopic: Apple Developers
Replies
1
Boosts
0
Views
785
Activity
Jun ’24
iOS 15 Notification Summary Alert?
The new summary notifications are great but are we suppose to receive an alert when it’s time to review the summary? For example, my afternoon summary is ready and It shows when I turn on the screen but I wasn’t alerted.
Topic: App & System Services SubTopic: Core OS Tags:
Replies
0
Boosts
0
Views
593
Activity
Jun ’21
Apple Developer Labs for visionOS closed?
Hi, I was going to apply to the Developer Labs for Vision Pro, but I've never gone through this process in the Apple ecosystem. Are the developer labs still open? On the website, there is a button to apply, but it takes me to a page with no upcoming events. I want to make sure I'm not missing something, or need to upgrade my account in order to apply to the developer labs https://developer.apple.com/visionos/labs/
Topic: App & System Services SubTopic: Core OS Tags:
Replies
2
Boosts
0
Views
995
Activity
Aug ’23
VoiceOver with Swift Charts summaries
I had a VoiceOver user point out an issue with my app that I’ve definitely known about but have never been able to fix. I thought that I had filed feedback for it but it looks like I didn’t. Before I do I’m hoping someone has some insight. With Swift Charts when I tap part of a chart it summarizes the three hours and then you can swipe vertically to hear it read out details of each hour. For example, the Y-Axis is the amount of precipitation for the hour and the X-Axis is the hours of the day. The units aren't being read in the summary but they are for individual hours when you vertical swipe. The summary says something such as varies between 0.012 and 0.082. In the AXChartDescriptor I’ve tried everything I can think of, including adding a label to the Y axis in the DataPoint but nothing seems to work in getting that summary to include units. With a vertical swipe it seems to just be using my accessibility label and value (like I would expect).
Topic: Accessibility & Inclusion SubTopic: General Tags:
Replies
1
Boosts
0
Views
1.6k
Activity
Feb ’26
Does AU Lab support AU v3?
I cannot seem to get AU Lab to see the FilterDemo v3 AU created by the Apple sample code in AU Lab. I can see it in Garage Band. I found some references to AU Lab not supporting v3 AUs, though it is almost shocking that an Apple test tool doesn't support AU v3. I looked for a later version of AU Lab but that is also frustrating (my version is 2.2.2).So the question is simple - is there a version of AU Lab that does support v3 AUs, and if so, where can I find it? If not, can someone recommend a good alternative? Using GarageBand or Logic Pro is really not what I want to do when I'm testing AudioUnits, especially when I want more free form routing.
Topic: Media Technologies SubTopic: Audio Tags:
Replies
2
Boosts
0
Views
799
Activity
Oct ’16
How to help Instrument's Swift task task lifetime summary group the same tasks so that the count for tasks is not always 1.
This is a screenshot from the Swift Task track in Xcode. I made these tasks with public actor ResourceManager { func foo() { for observer in observers { Task(name: ResourceManager notify observers) { await notification(observer) } } } } I am confused why each of the task is showing as a separate task in the task lifetime summary. Is there a way to queue the trace in Instruments into the fact that these are indeed the same task?
Topic: Developer Tools & Services SubTopic: Instruments Tags:
Replies
1
Boosts
0
Views
1.1k
Activity
Dec ’25
Reply to How to force soft scrollEdgeEffectStyle in iOS 26?
I believe the solution to this problem is to use the new safeAreaBar(edge:alignment:spacing:content:) view modifier, as suggested by its documentation and a comment made during the SwiftUI group lab. However, I also believe that this modifier is currently broken (as of beta 2), because its behaviour seems to be no different to using safeAreaInset. I have filed feedback for this: FB18350439.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Replies
Boosts
Views
Activity
Jun ’25
Friday Networking Lab
Question:Will the Hypervisor framework in macOS Sierra provide bridged networking? The reason I’m asking is that this will allow VMs hosted by the Hypervisor framework to obtain and use their own IP address; rather than use a NAT.If providing bridged networking is a security concern, has Apple considered adding an Apple-signed entitlement to control approval of the feature in the App Store?Answer:This is not in Sierra and is not currently planned for it. Please file bugs and feature requests if you want to see this in the next major macOS release.See complete list of session and lab notes here:https://forums.developer.apple.com/message/142899
Topic: App & System Services SubTopic: Core OS Tags:
Replies
0
Boosts
0
Views
571
Activity
Jun ’16
Reply to Will Icon Composer support development of tvOS and visionOS icons?
We couldn't get to this question during the group lab session today, but we certainly saw it during the lab and appreciate you coming and asking about this! As you found, Icon Composer supports iOS, macOS, and watchOS icons. For tvOS and visionOS, you can preview the icon in Xcode through your asset catalog, or by using the Parallax Previewer app available for download on the Apple Design Resources page. I encourage you to create an Enhancement Request in Feedback Assistant for Icon Composer to gain support for visionOS and tvOS icons. Please post the FB number here! — Ed Ford,  DTS Engineer
Topic: Developer Tools & Services SubTopic: General Tags:
Replies
Boosts
Views
Activity
Jun ’25
Xcode playgrounds labs remove directions
I am starting to walk throught the App Development with Swift iBook and I have downloaded the App Development Swift Student labs. When I open a lab in Xcode there are directions and then places to write code. Once I start writing code the directions for the first problem disappear and I cant see them again to finish writing the code. How can I get the directions to stop dissapearing when trying to do the labs?I am using Xcode version 9.3.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Replies
8
Boosts
0
Views
2.2k
Activity
Apr ’18