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“A Summary of the WWDC26 Group Lab”

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App Groups and macOS 15
Hi, I just updated my machine to macOS 15, and while developing and running my app (with Xcode), I keep getting messages about my app would like to access data from other apps. This happens even from Xcode Previews, so it's pretty annoying. My production app doesn't seem to be affected by this problem; the system prompt just pops when running the debug version. I came across something about App Groups in macOS and how something has changed in macOS15 regarding system permissions. I use the group.xxx prefix in my macOS app, without the team prefix. Is that the problem here? But why is my production app working fine, but the development app is triggering the prompt repeatedly? Would love any feedback or workarounds. Thanks.
Topic: Code Signing SubTopic: Entitlements Tags:
7
0
1.1k
Oct ’24
Reply to P3 Display to XYZ Color Space Conversion
Thanks for your detailed anwswer. It's claried all the issues for me.Also, I was having a problem with OpenGL ES shader code that converted Display P3 colors to/from the Lab and IPT color spaces. In particular, my results did not match the ColorSync Utility when converting Display P3 to/from Lab. Your mention of D50 caused me to use that reference rather than D65 and now my results match. Switching to D50 also corrected the IPT results.Thanks again!
Topic: Media Technologies SubTopic: General Tags:
Feb ’17
Working group?
Anyone interested in working on a few things together? I have a few questions I'm interested in answering and if there are a couple of folks that would like to do a couple of small collaborative investigations, it would be great to chat.. Current open questions: What is required to import into CAD software like Rhino or Sketchup? What is the dimensional accuracy of the output? Are features tagged relationally? i.e. does a window know which wall it's in? Are there similar libraries that can help accomplish similar things from the outside? Photogrammetry based solutions? Shoot me a note if you'd be interested in discussing!
Topic: App & System Services SubTopic: General Tags:
3
0
946
Oct ’22
AR Resource Group Problems
I'm trying to add an AR Reference Image to the ARKit Image detection sample project in Xcode 9.3 beta 2.I drag an image to the AR Resource Image slot, but it's content.json won't include the filename: { images : [ ], info : { version : 1, author : xcode }, properties : { width : 16.875, unit : centimeters }}Adding the filename manually seems to work in the sample project: { images : [ { idiom : universal, filename : LaunchScreen-iPhonePortrait.png } ], info : { version : 1, author : xcode }, properties : { width : 16.875, unit : centimeters }}Edit: This seems to be a bug. It works correctly when you don't create an AR Reference Image slot via the context menu, but directly drag the image to the Resource group.
Topic: Spatial Computing SubTopic: ARKit Tags:
0
0
1.1k
Feb ’18
Unable set keychain-access-groups with Team​Identifier​Prefix
I want to store SecIdentity in the keychain access group $(TeamIdentifierPrefix)com.apple.networkextensionsharing. But Provisioning profile xxxx doesn't match the entitlements file's value for the keychain-access-groups entitlement. My profile dont have a param name 'TeamIdentifierPrefix'. Please , how can i add the TeamIdentifierPrefix to my profile. And my TeamIdentifier is same as the AppIdentifierPrefix
Topic: Code Signing SubTopic: Entitlements Tags:
1
0
1k
Aug ’22
Reply to Sandboxed app extensions connecting to not sandboxed XPC service
It is not going to be sandboxed but rather notarized, so I'm using hardened runtime. Just FYI, I recommend that you use enable the hardened runtime in all your code. While the only place it’s required right now is for notarisation, it’s a good security practice in all situations. My application bundle has now the following structure: That’s a really helpful summary. Thanks! I presume that your login item is actually a Service Management login item, that is, you install it using SMLoginItemSetEnabled. If so, standard practice is to prefix your XPC service name with your Team ID. That will be accessible to your app and your app extensions. If any of the client code is sandboxed, sign it with an app group entitlement that’s a prefix of the XPC service name. For example, if your service name is SKMME9E2Y8.com.example.test703702.service, add an app group ``SKMME9E2Y8.com.example.test703702`. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo
Topic: App & System Services SubTopic: Core OS Tags:
Apr ’22
Can't add subscription Group for review
Hi everyone, As my first experience with uploading an app to App store, I am facing an issue that really exhausted me. I've created a subscription group and added all the details including localization, pricing and other details for the two type of subscription I want to have in the app but the problem is I can't add them for review. You might wonder, why I don't attach it to the app as it said in the screenshot and send it for review. The problem is I don't have that option to attach a subscription group to my app and send it for review. It's so annoying and really frustrated me. Can anyone help?
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
0
0
82
6d
Unable to send sms to groups abroad
Hello,I'm creating an app that allows me to send sms to groups and abroad. Im facing a problems when sending to a group that contains iPhone and Android devices from different countries resulting in the message not being sent.Here is what I'm doing to create the text messages:let messageVC = MFMessageComposeViewController() messageVC.body = body message messageVC.recipients = [+123456,+123456] //numbers with country code and area code messageVC.messageComposeDelegate = self; if MFMessageComposeViewController.canSendText() == true { self.present(messageVC, animated: false, completion: nil) }else{ //displays error message }This presents the composer for SMS/iMessages, but when the sent button is tapped it looks like the message will be sent but at the end none of the messages are sent and a red Not Delivered message appears.If I try to send the message only to iPhones and locally it works.
Topic: Programming Languages SubTopic: Swift Tags:
1
0
444
Jul ’17
Cannot invite team members to the group.
After inviting people to the developer group, they accept the invites, but the team doesn't show under the account. This caused the developer cannot request the cert from Xcode, and we cannot link the dev cert with the related profile for the developer. Does anyone has this similar issue, and do Apple can have someone help have a check?
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
3
0
1.4k
Jan ’22
Reply to CloudKit private database operations fail with CKError 15 / HTTP 500 for one container across multiple apps (FB22539748)
We checked the logs for all those operations but couldn't find any error either, which is strange. For now, I'd suggest that you capture a sysdiagnose with the steps mentioned here, and attach it to your feedback report to provide more info from the client side. As a reminder, WWDC26 is right around the corner, and folks probably won't be able to be as responsive as before. Best, —— Ziqiao Chen  Worldwide Developer Relations.
Topic: App & System Services SubTopic: iCloud Tags:
May ’26
Contacts: remove member from group not working on macOS
Hi, In my app, I have an option to remove a contact from a contact group (using the Contacts framework), and it's been working fine till recently users of the macOS version reported that it's not working. I have been using the CNSaveRequest removeMember(contact, from: group) API. The same API works fine on iOS. I'm not sure when it started but it seems to be affecting macOS14.6 as well as 15.1. I was able to reproduce it in a small test project as well, and have the same experience (the API works on iOS but not on macOS), so it definitely seems like a problem with the framework. Can someone confirm this, and/or suggest a workaround? Here's the code I run to test it out ...a simple SwiftUI view that has 4 buttons: Create contact and group Add contact to group Remove contact from group (optional) cleanup by deleting contact and group It's the 3rd step that seems to fail on macOS, but works fine on iOS. Here's the code to test it out: struct ContentView: View
Topic: App & System Services SubTopic: General Tags:
4
0
1.3k
Nov ’24
App Groups and macOS 15
Hi, I just updated my machine to macOS 15, and while developing and running my app (with Xcode), I keep getting messages about my app would like to access data from other apps. This happens even from Xcode Previews, so it's pretty annoying. My production app doesn't seem to be affected by this problem; the system prompt just pops when running the debug version. I came across something about App Groups in macOS and how something has changed in macOS15 regarding system permissions. I use the group.xxx prefix in my macOS app, without the team prefix. Is that the problem here? But why is my production app working fine, but the development app is triggering the prompt repeatedly? Would love any feedback or workarounds. Thanks.
Topic: Code Signing SubTopic: Entitlements Tags:
Replies
7
Boosts
0
Views
1.1k
Activity
Oct ’24
Reply to P3 Display to XYZ Color Space Conversion
Thanks for your detailed anwswer. It's claried all the issues for me.Also, I was having a problem with OpenGL ES shader code that converted Display P3 colors to/from the Lab and IPT color spaces. In particular, my results did not match the ColorSync Utility when converting Display P3 to/from Lab. Your mention of D50 caused me to use that reference rather than D65 and now my results match. Switching to D50 also corrected the IPT results.Thanks again!
Topic: Media Technologies SubTopic: General Tags:
Replies
Boosts
Views
Activity
Feb ’17
Unable to select Internal Groups to the Build
I am able to select the group for external testing, but not internal, and there is no information on what is wrong. I uploaded the build Dec 8, 2022 at 11:38 AM
Topic: Developer Tools & Services SubTopic: Xcode Cloud Tags:
Replies
0
Boosts
0
Views
536
Activity
Dec ’22
Working group?
Anyone interested in working on a few things together? I have a few questions I'm interested in answering and if there are a couple of folks that would like to do a couple of small collaborative investigations, it would be great to chat.. Current open questions: What is required to import into CAD software like Rhino or Sketchup? What is the dimensional accuracy of the output? Are features tagged relationally? i.e. does a window know which wall it's in? Are there similar libraries that can help accomplish similar things from the outside? Photogrammetry based solutions? Shoot me a note if you'd be interested in discussing!
Topic: App & System Services SubTopic: General Tags:
Replies
3
Boosts
0
Views
946
Activity
Oct ’22
Reply to App Development with Swift (Xcode) iBook content have answer keys
If you require the answers to the labs, they are in the Teacher's Guide materials available from here https://developer.apple.com/go/?id=app-dev-swift-teacher
Topic: Programming Languages SubTopic: Swift Tags:
Replies
Boosts
Views
Activity
Aug ’17
AR Resource Group Problems
I'm trying to add an AR Reference Image to the ARKit Image detection sample project in Xcode 9.3 beta 2.I drag an image to the AR Resource Image slot, but it's content.json won't include the filename: { images : [ ], info : { version : 1, author : xcode }, properties : { width : 16.875, unit : centimeters }}Adding the filename manually seems to work in the sample project: { images : [ { idiom : universal, filename : LaunchScreen-iPhonePortrait.png } ], info : { version : 1, author : xcode }, properties : { width : 16.875, unit : centimeters }}Edit: This seems to be a bug. It works correctly when you don't create an AR Reference Image slot via the context menu, but directly drag the image to the Resource group.
Topic: Spatial Computing SubTopic: ARKit Tags:
Replies
0
Boosts
0
Views
1.1k
Activity
Feb ’18
Unable set keychain-access-groups with Team​Identifier​Prefix
I want to store SecIdentity in the keychain access group $(TeamIdentifierPrefix)com.apple.networkextensionsharing. But Provisioning profile xxxx doesn't match the entitlements file's value for the keychain-access-groups entitlement. My profile dont have a param name 'TeamIdentifierPrefix'. Please , how can i add the TeamIdentifierPrefix to my profile. And my TeamIdentifier is same as the AppIdentifierPrefix
Topic: Code Signing SubTopic: Entitlements Tags:
Replies
1
Boosts
0
Views
1k
Activity
Aug ’22
Reply to Sandboxed app extensions connecting to not sandboxed XPC service
It is not going to be sandboxed but rather notarized, so I'm using hardened runtime. Just FYI, I recommend that you use enable the hardened runtime in all your code. While the only place it’s required right now is for notarisation, it’s a good security practice in all situations. My application bundle has now the following structure: That’s a really helpful summary. Thanks! I presume that your login item is actually a Service Management login item, that is, you install it using SMLoginItemSetEnabled. If so, standard practice is to prefix your XPC service name with your Team ID. That will be accessible to your app and your app extensions. If any of the client code is sandboxed, sign it with an app group entitlement that’s a prefix of the XPC service name. For example, if your service name is SKMME9E2Y8.com.example.test703702.service, add an app group ``SKMME9E2Y8.com.example.test703702`. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo
Topic: App & System Services SubTopic: Core OS Tags:
Replies
Boosts
Views
Activity
Apr ’22
Can't add subscription Group for review
Hi everyone, As my first experience with uploading an app to App store, I am facing an issue that really exhausted me. I've created a subscription group and added all the details including localization, pricing and other details for the two type of subscription I want to have in the app but the problem is I can't add them for review. You might wonder, why I don't attach it to the app as it said in the screenshot and send it for review. The problem is I don't have that option to attach a subscription group to my app and send it for review. It's so annoying and really frustrated me. Can anyone help?
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
Replies
0
Boosts
0
Views
82
Activity
6d
Unable to send sms to groups abroad
Hello,I'm creating an app that allows me to send sms to groups and abroad. Im facing a problems when sending to a group that contains iPhone and Android devices from different countries resulting in the message not being sent.Here is what I'm doing to create the text messages:let messageVC = MFMessageComposeViewController() messageVC.body = body message messageVC.recipients = [+123456,+123456] //numbers with country code and area code messageVC.messageComposeDelegate = self; if MFMessageComposeViewController.canSendText() == true { self.present(messageVC, animated: false, completion: nil) }else{ //displays error message }This presents the composer for SMS/iMessages, but when the sent button is tapped it looks like the message will be sent but at the end none of the messages are sent and a red Not Delivered message appears.If I try to send the message only to iPhones and locally it works.
Topic: Programming Languages SubTopic: Swift Tags:
Replies
1
Boosts
0
Views
444
Activity
Jul ’17
Cannot invite team members to the group.
After inviting people to the developer group, they accept the invites, but the team doesn't show under the account. This caused the developer cannot request the cert from Xcode, and we cannot link the dev cert with the related profile for the developer. Does anyone has this similar issue, and do Apple can have someone help have a check?
Topic: App Store Distribution & Marketing SubTopic: App Store Connect Tags:
Replies
3
Boosts
0
Views
1.4k
Activity
Jan ’22
Reply to Xcode 7 crashes when trying to select the Main.storyboard.
We saw this in the labs at WWDC. The crash was caused by an offending custom color picker. Try removing any custom color pickers you have installed on your system.
Topic: Developer Tools & Services SubTopic: Xcode Tags:
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Views
Activity
Jun ’15
Reply to Can the Object Capture API be used to create building models?
I can confirm from experience and my lab appointment that it is possible to scan interior rooms! I received best results when I stayed in one place while taking photos.
Topic: App & System Services SubTopic: Core OS Tags:
Replies
Boosts
Views
Activity
Jun ’21
Reply to CloudKit private database operations fail with CKError 15 / HTTP 500 for one container across multiple apps (FB22539748)
We checked the logs for all those operations but couldn't find any error either, which is strange. For now, I'd suggest that you capture a sysdiagnose with the steps mentioned here, and attach it to your feedback report to provide more info from the client side. As a reminder, WWDC26 is right around the corner, and folks probably won't be able to be as responsive as before. Best, —— Ziqiao Chen  Worldwide Developer Relations.
Topic: App & System Services SubTopic: iCloud Tags:
Replies
Boosts
Views
Activity
May ’26
Contacts: remove member from group not working on macOS
Hi, In my app, I have an option to remove a contact from a contact group (using the Contacts framework), and it's been working fine till recently users of the macOS version reported that it's not working. I have been using the CNSaveRequest removeMember(contact, from: group) API. The same API works fine on iOS. I'm not sure when it started but it seems to be affecting macOS14.6 as well as 15.1. I was able to reproduce it in a small test project as well, and have the same experience (the API works on iOS but not on macOS), so it definitely seems like a problem with the framework. Can someone confirm this, and/or suggest a workaround? Here's the code I run to test it out ...a simple SwiftUI view that has 4 buttons: Create contact and group Add contact to group Remove contact from group (optional) cleanup by deleting contact and group It's the 3rd step that seems to fail on macOS, but works fine on iOS. Here's the code to test it out: struct ContentView: View
Topic: App & System Services SubTopic: General Tags:
Replies
4
Boosts
0
Views
1.3k
Activity
Nov ’24