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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
I have a bone to pick with Xcode
Despite Xcode being the one and most used IDE for iOS, it is far from perfect. I have used many tools in my career and here are some features, that would make it much better or what I miss from other IDEs. I encourage others to chip in discussion and lets all hope, Apple starts to improve Xcode. Will put each issue in separate comment below. Slow debugger: not sure what bloat Xcode has or what it is doing, but sometimes it can take more than 10 seconds from breakpoint firing to actually see values. Moreover when debugging SwiftUI or something objC I have to drill down to see value of property or use po and p command and hope it works. SwiftUI views and states are a big pain to debug, to see what is changing a value I have to always use didSet trick or some other black magic. Is it too hard to make it easier? Breakpoints with condition can take up to 1 minute to load and I have M1 Max MBP. Just tried cursor IDE few days ago and breakpoints are much faster and without too much bloat in variable inspector.
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Feb ’25
Simulator crash Exception Type: EXC_CRASH (SIGKILL) WatchDog: 0x8BADF00D
Hello, My app often crashes when I use simulators. I would like some help with reading the crash report that is generated. Especially with the part below Thread 0 Crashed. Based on other posts I understand that the 0x8BADF00D in the crash report is a WatchDog crash that basically says that WatchDog terminated the app because the main thread was blocked for a significant time. Many processes can block the main thread so it's hard to find out what it is in our specific case. Can someone help me reading through the crash report? Short_crash_report.txt Background information The application is Xamarin Native and I use Rider as an IDE. When I use Visual Studio, the simulators run just fine. No crash occurs while using my app on a device. The crash happens on multiple simulators with different OS versions. I already deleted XCode cache, erased content and settings of several simulators and deleted iOS DeviceSupport files.
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Feb ’25
Developer Membership Purchase Error
Greeting everyone, I have been trying to enroll for apple developer program membership for the past 2 weeks, all efforts prove abortive with same error "I will receive acknowledement" email from Apple but i do not get charged and when I try to contact support they usually do not provide any help and often take long to reply once and take another week for another reply. I have now move the funds equivalent to $99 to my apple account. Please does anyone know how I can go about the enrollment using the funds from my apple account? Does anyone have such experience how did you resolve it? Do you know how i can successfully pay for the program from my bank using my debit card, because my card works easily and instantly for other subscriptions but except the Apple development program Please I will greatly appreciate any help i can get. thanks in advance
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Feb ’25
Can't get Xcode Cloud to work
I have an app I am toying with and I am seeing the following error in github's Xcode automation from Apple. My other apps work fine fine in xcode cloud with the same project setup. Run scheme_list=$(xcodebuild -list -json | tr -d "\n") 2025-02-05 03:15:56.669 xcodebuild[2841:17672] Writing error result bundle to /var/folders/2s/h6hvv9ps03xgz_krkkstvq_r0000gn/T/ResultBundle_2025-05-02_03-15-0056.xcresult xcodebuild: error: Unable to read project 'Legacy Letters.xcodeproj'. Reason: The project ‘Legacy Letters’ cannot be opened because it is in a future Xcode project file format (70). Adjust the project format using a compatible version of Xcode to allow it to be opened by this version of Xcode. /opt/homebrew/Cellar/ruby@3.0/3.0.7/lib/ruby/3.0.0/json/common.rb:216:in `parse': 809: unexpected token at '' (JSON::ParserError) from /opt/homebrew/Cellar/ruby@3.0/3.0.7/lib/ruby/3.0.0/json/common.rb:216:in `parse' from -e:1:in `<main>'
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Feb ’25
Day 5 of Apple Developer Support – Urgent Review Delay & Lack of Response
I am now on Day 5 of waiting for our Apple Developer Program approval, and despite multiple attempts to get an update, I have received no meaningful response from Apple. I have: ✅ Successfully paid membership fee and received invoice for same ✅ Reached out via support tickets, but got 0 replies. This delay is unreasonable and impacting my work. I am prepared to launch a critical app that aligns with Apple’s ecosystem and guidelines, but Apple’s lack of communication is preventing me from moving forward. After lot of hard work and resources I have completed app development and set up other processes for marketing. I demand a real update from an Apple Developer Program representative today. • Not silence. • A direct response with a timeline for approval. Apple claims to support developers, but these excessive delays and lack of transparency tell a different story. If there is a legitimate issue, I expect clear communication. If there isn’t, we expect this approval to be completed immediately. Apple, please address this case today. I cannot afford further inaction. Order ID: MNTHQYXGLN
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Feb ’25
Getting an error in Xcode after resting simulator
I just made clean data on simulator then started getting the below error built on Xcode ? Showing Recent Issues Entitlements file "Clinic.entitlements" was modified during the build, which is not supported. You can disable this error by setting 'CODE_SIGN_ALLOW_ENTITLEMENTS_MODIFICATION' to 'YES', however this may cause the built product's code signature or provisioning profile to contain incorrect entitlements.
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Feb ’25
No drop in NSView
Since dragImage: is deprecated I am trying to update drag and drop with beginDraggingSessionWithItems:. Drag work fine but I cannot get drop to work correctly. In the code below change #ifndef to #ifdef (using dragImage:) make drop work as expected. draggingEntered, draggingUpdated, draggingExited, draggingEnded are all called but NOT performDragOperation (which do the drop). Uncommenting the line [pb_item pasteboard:paste_board provideDataForType:@"LN_PboardType"]; cause an exceptionPreprocess: -[NSPasteboardItem pasteboard:provideDataForType:]: unrecognized selector sent to instance 0x600001e64240. I also try add NSDraggingDestination, NSItemProviderWriting, NSPasteboardTypeOwner to @interface line without success. What I am doing wrong ? Any other method to do Drag and Drop (other than dragImage: and beginDraggingSessionWithItems:) ? Where can I found an Obj-C project using beginDraggingSessionWithItems: for drag an drop ? ``@interface Enclosure : NSView <NSDraggingSource, NSPasteboardItemDataProvider> - (id)initWithFrame:(NSRect)frame { self = [super initWithFrame:frame]; if (self) { [super setAutoresizesSubviews:YES]; [self registerForDraggedTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil]]; } return self; } - (BOOL)acceptsFirstMouse:(NSEvent *)event { return YES; } - (void)mouseDown:(NSEvent *)drag_event { NSImage *drag_image; NSPoint drag_position; NSRect dragging_rect; NSPasteboard *paste_board; NSDraggingItem *drag_item; NSArray *items_array; NSPasteboardItem *pb_item; paste_board = [NSPasteboard pasteboardWithName:@"LN_PboardType"]; [paste_board declareTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil] owner:self]; pb_item = [[NSPasteboardItem alloc] init]; [pb_item setDataProvider:self forTypes:[NSArray arrayWithObjects:@"LN_PboardType", NSPasteboardTypeString, nil]]; // [pb_item pasteboard:paste_board provideDataForType:@"LN_PboardType"]; drag_image = [ [NSImage imageNamed:@"drag.jpg"]; drag_position = [self convertPoint:[drag_event locationInWindow] fromView:nil]; drag_position.x -= drag_image.size.width/2; drag_position.y -= drag_image.size.height/2; #ifndef DEPRECATED [self dragImage:drag_image at:drag_position offset:NSZeroSize event:drag_event pasteboard:paste_board source:self slideBack:YES]; #else drag_item = [[NSDraggingItem alloc] initWithPasteboardWriter:pb_item]; dragging_rect = NSMakeRect(drag_position.x, drag_position.y, drag_image.size.width, drag_image.size.height); [drag_item setDraggingFrame:dragging_rect contents:drag_image]; items_array = [NSArray arrayWithObject:drag_item]; [self beginDraggingSessionWithItems:items_array event:drag_event source:(id)self]; #endif } - (NSDragOperation)draggingSession:(NSDraggingSession *)session sourceOperationMaskForDraggingContext:(NSDraggingContext)context { if (disable_drag_and_drop) return NSDragOperationNone; switch (context) { case NSDraggingContextWithinApplication: return NSDragOperationCopy; case NSDraggingContextOutsideApplication: return NSDragOperationMove; } return NSDragOperationNone; } …``
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Feb ’25
XCode 16.2 forgets my git credentials constantly
Like the title says, I'll commit some changes no problem with my Git name and email displayed properly, then work for a while longer and when use the integrate menu to stage and commit I find the git name/email are empty. My credentials are properly entered in settings. The only fix i've found is quitting and restarting. Any less frustrating option?
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Feb ’25
How to build an iOS app using the command line on macOS Sonoma?
Hello, Now we support Apple applications and we are building applications on Mac laptops with regular updates. Our goal is to build an iOS app entirely through the command line using xcodebuild and other tools from Xcode Command Line Tools on a server with _macOS Sonoma (14.6.1) without a graphical user interface (only the command line)!!! We need to build and regularly update iOS applications on clients and our accounts and we are looking for a solution to fully automate the login process for these accounts. Our goal is to automate these processes on a server without involving a customer. Here’s what I need help with building and signing the app: What are the proper commands to build and sign the app using xcodebuild and put this application in Apple Store? Server has: xcode-select -version xcode-select version 2408. xcodebuild -version Xcode 16.1 Build version 16B40. In the first step, the certificates have been added to the keychain. We have two keychains. We can check it by running the command: security list-keychains: ` "/Users/ec2-user/Library/Keychains/login.keychain-db" "/Library/Keychains/System.keychain".` All certificates are kept in login.keychain-db. We can check it: security find-identity -p codesigning -v Answer is: `'Some hash "Apple Distribution: Name. (TEAM ID)"'.` Profision file is kept in /Users/ec2-user/Library/MobileDevice/Provisioning\ Profiles/. In the first step, we have added a cordova platform with iOS 11 version. Command is: cordova platform add ios. We tried to create a sign archive with automation but we couldn't do it because we got an error. Our command is xcodebuild \ -workspace "path/to/Packet-name Test.xcworkspace" \ -scheme "Packet-name Test" \ -sdk iphoneos \ -configuration Release \ -archivePath "./Packet-name Test.xcarchive" \ CODE_SIGN_STYLE=Automatic \ DEVELOPMENT_TEAM=XXXXXXXXXX \ -allowProvisioningUpdates \ archive We get errors: /Users/ec2-user/buildApps/MyNewApplication/packet-name.test/platforms/ios/Packet-name Test.xcodeproj: error: No Accounts: Add a new account in Accounts settings. (in target 'Packet-name Test' from project 'Packet-name Test') /Users/ec2-user/buildApps/MyNewApplication/packet-name.test/platforms/ios/Packet-name Test.xcodeproj: error: No profiles for 'packet-name.test' were found: Xcode couldn't find any iOS App Development provisioning profiles matching 'packet-name.test'. (in target 'Packet-name Test' from project 'Packet-name Test') We've read about this error so the decision is to create one-time passwords for this. Certainly last error is about a problem with login, but how we can fix it we don't know because we will be using different accounts for different applications. As a result, we have to use one-time passwords for different accounts. We would appreciate detailed instructions, example commands, and references to documentation that might address this workflow.
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Feb ’25
Apple developer
in xcode i have select the developer team. but show some error that is here, "Communication with Apple failed Your team has no devices from which to generate a provisioning profile. Connect a device to use or manually add device IDs in Certificates, Identifiers & Profiles. https://developer.apple.com/account/" and show this error also "No profiles for 'com.kuntaldoshi.homeautomation' were found Xcode couldn't find any iOS App Development provisioning profiles matching 'com.kuntaldoshi.homeautomation'."
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Feb ’25
Issue with Apple Developer Program Enrollment
I’m experiencing a serious issue with my enrollment in the Apple Developer Program. I have been waiting for weeks with no response from Apple Support. Despite sending two emails (and now a 3rd) in an attempt to get a reply, I still haven’t heard back, even though I have completed all the necessary steps and received confirmation that my enrollment process has started. Has anyone else experienced a similar situation? If so, how did you manage to resolve it, or do you have any advice on how I can get Apple to respond and take action? I would really appreciate any insights or suggestions. Thank you in advance!
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Feb ’25
Unable to Access Organization Developer Account – “Join Now” Appears
Our organization has an active Apple Developer membership, but since last month, we’ve been unable to access our team information or manage certificates. Our apps are still active in App Store Connect, but we cannot update them. On the Developer account page, a “Join Now” button appears, but clicking it results in the message: “Your Apple Account is already associated with the account holder of a membership.” Additionally, this account was originally registered with an older email when it was used to create a personal developer account in 2015—nearly 10 years ago. We do not know if this is causing the issue. We have contacted Apple many times but no reply within one month. Any guidance or assistance would be greatly appreciated. Thanks!
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290
Feb ’25
XCFrameworks deploying .a / include to output target directory
Hello Friends, We have a strange bug that Xcode is deploying static binaries from within .XCFramework into the CONFIGURATION_BUILD_DIR An example of our xcframeworks structure is: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>AvailableLibraries</key> <array> <dict> <key>BinaryPath</key> <string>libglfw3.a</string> <key>HeadersPath</key> <string>Headers</string> <key>LibraryIdentifier</key> <string>macos-arm64_x86_64</string> <key>LibraryPath</key> <string>libglfw3.a</string> <key>SupportedArchitectures</key> <array> <string>arm64</string> <string>x86_64</string> </array> <key>SupportedPlatform</key> <string>macos</string> </dict> </array> <key>CFBundlePackageType</key> <string>XFWK</string> <key>XCFrameworkFormatVersion</key> <string>1.0</string> </dict> </plist> for open source creative coding toolkit https://github.com/openframeworks/openFrameworks Can you see any issues in the above. Some ideas for me is to generate xcarchive instead of deploying the .a in the xcframeworks, however that does not explain the include being packaged there, so I think this might be a Xcode issue
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Mar ’25
Xcode file liveness regression?
A while ago, perhaps early in v16, Xcode stopped tracking file liveness. I'd hoped the regression would be fixed, but... not yet. Is there some setting I'm missing? Is this from underlying filesystem limits? or from working with swift packages? Conversely, if/since this is a regression, is this the new normal, and not to be fixed (e.g., because the modern build system cannot be retrofitted to detect and update stale resources)? Assuming I create a Swift package and open it in Xcode... 1. New files I expect to get errors when I create a new swift file, add bad code, and build. Instead, the file doesn't seem to be added to the build. If I try to use Add Files to "{project}".. menu, the file is disabled for selection. A workaround is to close and re-open the project 2. Files updated extrinsically If outside Xcode I format the files in the package or edit them, I expect Xcode to notice and either 1) update with the new contents if there were no changes, or 2) ask what to do if there were changes. Instead, Xcode proceeds oblivious to the underlying changes. It is not a workaround to use Integrate/Refresh file status menu for SCM status. Again, a workaround is to close and re-open the project. Possible factors Swift package projects, if resource tracking is tied to metadata unused in package projects? External filesystem: these are on APFS volumes mounted via TB-4 and USB-3 Pilot error? Impact This leads me to re-open projects 10's of times a day, to create test files or maintain lint. Also, because I have to drop out of Xcode to process files before checking in, I end up using an external git workflow/UI. Also, because Xcode is not particularly extensible, I've written external tools for analyzing and generating Swift, hosted via CLI or eclipse (which support resource markers for UI navigation). I use Swift LSP in Eclipse for analysis and git-driven changes, and end up coding there because well, I'm already there. I'd take slower builds over this continuous hassle and context-switching in a heartbeat.
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Feb ’25