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A Summary of the WWDC25 Group Lab - Developer Tools
At WWDC25 we launched a new type of Lab event for the developer community - Group Labs. A Group Lab is a panel Q&A designed for a large audience of developers. Group Labs are a unique opportunity for the community to submit questions directly to a panel of Apple engineers and designers. Here are the highlights from the WWDC25 Group Lab for Developer Tools. Will my project codebase be used for training when I use Xcode's intelligent assistant powered by cloud-based models? When using ChatGPT without logging in, your data will not be used to improve any models. If you log in to a ChatGPT account, this is based on your ChatGPT account settings, which allows you to opt-out (it defaults to on). When using Xcode with accounts for other model providers, you should check with the policies of your provider. And finally, at no point will any portion of your codebase be used to train or improve any Apple models. We'd love to make our SwiftUI Previews (and soon, Playgrounds) as snappy as possible. Is there any way to skip certain build steps, such as running linters? It seems the build environment is exactly the same (compared to a debug build), but maybe there's a trick. Starting with Xcode 16, SwiftUI previews use the exact same build artifacts as the regular build. The new Playgrounds support in Xcode 26 uses these build artifacts too. Shell script build phases are the most common thing that introduces extra build time, so as a first step, try turning off all shell script build phases (like linters) to get an idea if that’s the issue. If those build phases add significant time to your build, consider moving some of those phases into asynchronous steps, such as running linters before committing instead of on every build. If you do need a shell script build phase to run during your build, make sure to explicitly define the input and output files, as that is a huge way to improve your build performance. Are we able to provide additional context for the models, like coding standards? Documentation for third party dependencies? Documentation on your own codebase that explains things like architecture and more? In general, Xcode will automatically search for the right context based on the question and the evolving answer, as the model can interact multiple times with your project as it develops an answer. This will automatically pick up the coding style of the code it sees, and can include files that contain architecture comments, etc. Beyond automatic context, you can manually attach other documents, even if they aren't in your project. For example, you could make a file with rules and ideas and attach it, and it will influence the response. We are very aware of other kinds of automatic context like rule files, etc, though Xcode does not support these at this time. Once ChatGPT is enabled for Coding Intelligence in Xcode 26, and I sign into my existing ChatGPT account, will the ChatGPT Coding Intelligence model in Xcode know about chat conversations on Xcode development done previously in the ChatGPT Mac app? Xcode does not use information from other conversations, and conversations started in Xcode are not accessible in the web UI or ChatGPT app. Is there a plan to make SwiftUI views easier to locate and understand in the view hierarchy like UIKit views? SwiftUI uses a declarative paradigm to define your user interface. That allows you to specify what you want, with the system translating that into an efficient representation at runtime. Unlike traditional AppKit and UIKit, seeing the runtime representation of SwiftUI views isn't sufficient in order to understand why it's not doing what you want. This year, we introduced a SwiftUI Instrument that shows why things are happening, like view re-rendering. Is it possible to use the AI chat with ChatGPT Enterprise? My company doesn't allow us to use the general ChatGPT, only the enterprise version they have setup that prevents data from being leaked Yes, Xcode 26 supports logging into any existing ChatGPT account, including enterprise accounts. If that does not meet your needs, you can also setup a local server that implements the popular chat completions REST API to talk to your enterprise account how you need. Now that Icon Composer is here, how does it complement or replace existing vector design tools such as Sketch for icon design? Icon Composer complements your existing vector design tools. You should continue to create your shapes, gradients, and layers in another tool like Sketch, and compose the exported SVG layers in Icon Composer. Once you bring your layers into Icon Composer, you can then use it to influence the translucency, blur, and specular highlights for your icon. What’s one feature or improvement in the new Xcode that you personally think developers will love, but might not immediately discover? Maybe something tucked away or quietly powerful that’s flown under the radar so far? One feature we're particularly excited about is the new power profiler for iOS, which gives you further insights into the energy consumption of your app beyond what was possible with the energy instrument previously. You can learn more about how to use this instrument and how it can help you greatly reduce your apps battery usage in the documentation, as well as the session Profile and optimize power usage in your app. There were also improvements in accessibility this year with Voice Control, where you can naturally speak your Swift code to Xcode, and it understands the Swift syntax as you speak. To see it in action, take a look at the demonstration in What’s new in Xcode 26. We have a software advisory council that is very sensitive to having our private information going to the cloud in any form. What information do you have to help me guide Xcode and Apple Intelligence through the acceptance process? One thing you can do is configure a proxy for your enterprise that implementing the popular Chat Completions API endpoint protocol. When using a model provider via URL, you can use your proxy endpoint to inspect the network traffic for anything that you do not want sent outside of your enterprise, and then forward the traffic through the proxy to your chosen model provider. Are there list of recommended LLMs to use with Xcode via Intelligence/Local? I've tried Gemma3-12B, but.. I hope there are better options? Apple doesn't have a published list of recommended local models. This is a fast-moving space, and so a recommendation would become out of date very quickly as new models are released. We encourage you to try out the local model support in Xcode 26 with models that you find meet your needs, and let us and the community know! (continued below)
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Jul ’25
Request to Change Username on Developer Forum
Dear [Support Team/Moderator], I hope you are doing well. I would like to request a username change for my account on the AbhishekOpl. Unfortunately, I couldn’t find an option to update it in the profile settings. Here are my details: Current Username: AbhishekOpl Desired Username: ManishOpl If a username change is not possible, please let me know any alternative solutions. I appreciate your assistance and look forward to your response. Best regards,
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Feb ’25
Issue with Apple Developer Enrollment – Stuck in "Processing"
Hello everyone, I need help with my Apple Developer Program enrollment, as I have been stuck in the processing stage since February 20 and I don’t know what else to do. When I initially tried to enroll, I was told that the process would take two business days, but it has been much longer now. Every two days, I have attempted to purchase again, but I always receive the same message telling me to wait another two days. I have checked my payment method, verified my Apple ID information, and followed all the recommended steps, but I still cannot complete the enrollment. Has anyone else experienced this issue? What can I do to resolve it? I would appreciate any advice or guidance. Thank you in advance for your help! Best regards, Didier Orjuela
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Feb ’25
Apple Developer Program Enrollment Problems
Hey everyone. This is probably the last straw I am trying to pull since I tried almost everything else. I have applied for the Apple Developer Program and the whole process started at the end of 2024. I got rejected the first time because Apple could not charge my card. It was clearly shown that the cost is $99, however, it was 106.65 Euros (I created a Revolut card with the $100 because I don't trust placing my card everywhere). I started the new process but this time I knew about the amount issue so I placed 150 Euros just to be safe. Automatic rejection with robotic AI response: "For one or more reasons, your enrollment in the Apple Developer Program couldn't be completed. We can't continue with your enrollment at this time." When I raised ticket about it I got no replies. Than both my friend and wife tried to apply for the program. Both rejected with the exact same messaging. I created a new Apple ID, new card, new everything and did everything "by the book". Again. Rejection with the same exact messaging: For one or more reasons, your enrollment in the Apple Developer Program couldn't be completed. We can't continue with your enrollment at this time... Can someone from Apple please tell me what are those reasons? I have been an Apple user for almost 10 years now. I was buying Apps from store. I am using iCloud+. Modest Citizen as some would say. What's the problem? How can I finally get to Apple Developer Program without being rejected by AI or some poor auto system?
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Feb ’25
Cannot access profile page of individual DTS engineers
Until recently, it was possible to view the profiles of every user who posted in the forums. The profile page would then have links to posts/replies and other pages so that one could "follow" the recent comments by those users. However, it appears that it no longer is possible to view a profile of individual "DTS Engineer". What I mean is I can no longer view their profile page and as a result the recent posts/replies that a specific "DTS Engineer" makes. It's especially a loss because posts made by such engineers are very helpful and valuable and not being able to easily follow such posts on a single page makes the forum software less useful. Is there a way the previous feature can be brought back?
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Feb ’25
An Apple Developers Rant.... (So upset...)
Hello Everyone, (and I hope folks at Apple are listening) So around a year ago, I decided to take on the challenge of creating my own Iphone App from scratch. I am an engineer by trade, and thought it would be a fun interesting experience, and maybe make some money on the side. So I bought a macbook, and focused on learning Swift for the next few months. Lots of really great developer folks helped me along the way. And I could not have been successful without so much help. It is very much appreciated. So I finished the app, created my own company. And deployed it to the Istore. Unfortunately, just no interest, I think I sold like 4 copies. No problem, still got to learn a lot along the way. So when it came time to renew my developer licence, I let it expire. Just did not make any sense to drop another $100 into it, since only 4 copies had sold in a year. And then..... this happened!!!! I attempted to use the App that was installed on my own Iphone.... and got the message "My Apps Name" is no longer Available. and it stops... The code is on my phone. I am fully aware that I can no longer use xcode to put anything else on my iphone without a developer licence. But for Apple to reach into my own Iphone, and deny my access to something that I already created, (and in theory already paid for) is just infuriating!!! I checked, and even though it no longer exists in the IStore, purchased copies still seem to function. (one person that bought a copy was a friend of mine). So do I really need to drop another $100, puchase an actual copy of MY OWN APP from the app store, just to have it on my own phone again???!!! So much money and time went into this, that I am considering just smashing every apple product I own, and go with Android instead. I am a single person developer. Almost no one does this sort of thing anymore. Apple used to be the place where innovators could come to try to make something cool and fun to use. I guess not any more. Dan
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Feb ’25
Issue with Module Import and Archiving a Mixed Swift/C Library Using Swift Package Manager
Hello everyone, I’m encountering an issue when trying to build and archive my library BleeckerCodesLib using Swift Package Manager. My project is structured with two targets: CBleeckerLib: A C target that contains my image processing code (C source files and public headers). BleeckerCodesLib: A Swift target that depends on CBleeckerLib and performs an import CBleeckerLib. Below is the relevant portion of my Package.swift: // swift-tools-version:5.7 import PackageDescription let package = Package( name: "BleeckerCodesLib", platforms: [.iOS(.v16)], products: [ .library(name: "BleeckerCodesLib", targets: ["BleeckerCodesLib"]) ], targets: [ .target( name: "CBleeckerLib", publicHeadersPath: "include" ), .target( name: "BleeckerCodesLib", dependencies: ["CBleeckerLib"] ) ] ) Directory Structure My project directory looks like this: BleeckerCodesLib/ ├── BleeckerCodesLib.xcodeproj/ │ └── xcuserdata/ │ └── robertopitarch.xcuserdatad/ │ └── xcschemes/ │ └── xcschememanagement.plist ├── BleeckerCodesLib.h ├── Package.swift └── Sources/ ├── CBleeckerLib/ │ ├── bleecker-lib.c │ └── include/ │ ├── bleecker-lib.h │ └── CBleeckerLib.h └── BleeckerCodesLib/ ├── UIImage+Extensions.swift ├── ImageProcessingUtility.swift ├── APIManager.swift ├── BleeckerCodesLib.swift ├── CameraView.swift ├── RealTimeCameraView.swift └── BleeckerCameraWrapper.swift Code Example In my Swift code (for example, in BleeckerCodesLib.swift), I import the C module as follows: import SwiftUI import UIKit import CBleeckerLib // Import the C module public struct BleeckerCodes { public struct DetectedCode { public let code: String public let corners: [CGPoint] public init(code: String, corners: [CGPoint]) { self.code = code self.corners = corners } } // Initialization function public static func initializeLibrary() -> String { bleecker_init() // Call the C module function return "BleeckerCodesLibrary initialized!" } // ... other functions } The Problem When I try to compile or archive the project using commands such as: xcodebuild archive -project BleeckerCodesLib.xcodeproj -scheme BleeckerCodesLib -destination "generic/platform=iOS" -archivePath "archives/BleeckerCodesLib" I receive the error: "no such module 'CBleeckerLib'" Any assistance or step-by-step guidance on resolving this integration issue would be greatly appreciated. Thank you in advance!
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270
Feb ’25
Using Google Maps in App to determine distance
So far, we have been using Google Maps to determine distance along a certain route for a MacOS app to register kilometers for a business administration app. But, this is no longer possible, as the login for google maps no longer works. I understand we would have to pay to continue using the Google Maps service as it was and we would have to make changes to the app. That would be ok, but I was just wondering does any developer on this forum have suggestions on how to resolve this issue? Or even maybe have suggestions, to make this work better than before. Three suggestions by chatgpt: use ANWB route planner using google maps, Pro6pp, or to useWisp.Software (something I haven't heard of before. Your suggestions and ideas are welcome. Also, if the Apple Developer team knows of a way how to do this in your app, your advice is more than welcome. Have a nice day!
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Feb ’25
Save Data from Swift Playgrounds App (Mac)
How do you save data from a Swift Playgrounds App on the Mac? I get an error 'playgroundSharedDataDirectory is not supported in Swift Playgrounds' I think it's doable, some of the Swift Playgrounds tutorials remember the pages I've completed. This is with Playgrounds 4.5.1 on a Mac mini M2 Pro running OSX 14.7 (Sonoma) Ideally, I'd like to save multiple 'documents' and allow the user to select which one they want to work with. The documents don't need to be visible to other Apps. Thanks in advance
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Feb ’25
Settings.bundle
Hello everyone, I have added a Settings.bundle to my Xcode project, but it does not appear in the iOS app settings. The file is correctly copied into the target, but nothing shows up in the settings. I have already checked and tried several things, but without success. What I've tried so far: Ensuring that Settings.bundle is included in the project: Settings.bundle is listed under Build Phases → Copy Bundle Resources. Checking the structure of Root.plist: The file exists and has the following structure: Checking the structure of Root.plist -it has Checking if the file is included in the app -it is Restarting the simulator and reinstalling the app I reset the simulator and reinstalled the app completely, but the issue persists.
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Feb ’25
Another provisioning issue, with Xcode 15
As of this morning, I get the following error message when trying to build on any of my Macs (including my desktop, as well as my CI/CD systems): Provisioning profile "Mac Team Provisioning Profile: com.stairwell.Inception.Forwarder" doesn't support the App Groups capability. When I check the identifier in the developer portal, it does show the "App Groups" capability, and the same group is selected as has been there before. We have to build this project with Xcode 15, because we have another issue with provisioning profiles on Xcode 16, that I haven't gotten resolved yet. To be clear - I built, notarized, and released a Developer ID build of this same project last night, and today it just fails to build. I should have never switched to "Xcode managed Profile", I guess. Manually configuring all of this was annoying, but at least it worked. I assume at this point, I'm just going to be regenerating provisioning profiles until the issue randomly goes away...
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Feb ’25
Xcode Cloud fails every build
Since yesterday, Xcode cloud no longer seems to be successful in building our workflows. We're relying on Xcode Cloud for our CI, and the downtime is hindering us greatly. I've seen there is an issue on https://developer.apple.com/system-status/. Any indication of progress on this issue would be appreciated.
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Feb ’25
Failed to prepare device
We are getting unreliable results on XCode Cloud tests. I'm not sure if it's related to the current service outage. I'm running a very simple XCTest UI suite, on some devices it succeds and it others it fails to start. I'm not getting a userful error message. MyApp-Runner encountered an error (Failed to prepare device 'iPhone 16 Pro Max' for impending launch. (Underlying Error: Unable to boot the Simulator. launchd failed to respond. (Underlying Error: Failed to start launchd_sim: could not bind to session, launchd_sim may have crashed or quit responding)))
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Feb ’25
Xcode Bug in Package Dependencies
in Project/Package Dependencies, some problem occurs while i add Exact Version value like '1.1.0-0fec058'. the finally value i input will be random updated to 1.0.0 or other value. Reproduce by input any version value like '1.2.0-"0"' which second part begin with 0. So bad experience.
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Feb ’25
Error Simulator Download Simulator IOS 18.2 22C5142a
I can't install Simulator 18.2 I reinstalled sometimes Xcode y always return this erro Download failed. Domain: DVTDownloadableErrorDomain Code: 41 User Info: { DVTErrorCreationDateKey = "2025-02-15 15:41:39 +0000"; } Download failed. Domain: DVTDownloadableErrorDomain Code: 41 Failed fetching catalog for assetType (com.apple.MobileAsset.appleTVOSSimulatorRuntime), serverParameters ({ RequestedBuild = 22K5148a; }) Domain: DVTDownloadsUtilitiesErrorDomain Code: -1 Download failed due to a bad URL. (Catalog download for com.apple.MobileAsset.appleTVOSSimulatorRuntime) Domain: com.apple.MobileAssetError.Download Code: 49 User Info: { checkConfiguration = 1; } System Information macOS Version 15.2 (Build 24C101) Xcode 16.2 (23504) (Build 16C5023f) Timestamp: 2025-02-15T09:41:39-06:00
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2k
Mar ’25
Adding XCFramework creates swift support folder missing error.
Hello, In my IOS app, I have been working on implementing a third-party library's xcframework into my app. (They don't provide spm or cocoapods). However, whenever I import the XCFramework into my app, the build is successful, but when uploading to App Store Connect, I receive an email with an error stating the Swift Support folder is missing. This app was made using SwiftUI. I have a sample project linked below. Other apps also use this framework, so I'm not sure where I'm going wrong. Project
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Mar ’25