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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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Unable to enroll in Apple Developer Program - Payment declined despite bank approval (France)
Hello everyone, I am unable to enroll in the Apple Developer Program. The payment (credit card) is accepted by my bank but systematically declined by Apple. Note: I am located in France. I have tried multiple times. The support team, via email, suggested I use the Apple Developer app. However, it is "not available in my region," so I have to go through the website. No other payment method is available: Apple Pay is greyed out, and there is nothing else. Support has not responded for weeks, despite my follow-ups. I am very frustrated as I need to launch my app quickly, and everything is ready on the Google side... Would you have any suggestions or solutions? Thank you so much, your responses are greatly appreciated! Mélissa
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Too many bugs porting to iOS 26
Has anyone noticed that there are way too many bugs caused by the liquid glass issues? I'm noticing apple adding private layer classes between existing UI views to add glassy effect and no way to disable them. Some of these bugs have no way around without rewriting the code from. For example, search controller doesn't work anymore on iOS 26 but does work on iOS 18. The tab bar controller doesn't show at all on iOS 26 but does on iOS 18. I'm wondering if other people are facing the same issues.
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Did I apply for Developer Program correctly?
Hi everyone - I really hope you can help. I recently tried to apply to the Developer Program. I did this by starting the process online in a browser, then following the Apple instructions to open the Developer App on my phone, identify myself and then go through the process of filling in the details for the type of application (Individual) and the type of apps I'm interested in creating then paying a subscription (all on the phone). I can see the subscription exists in my iCloud account now. I also have not only the initial "Your subscription is confirmed" email I also have the later "Your invoice from Apple" too. However if I go to the developer website it says at the top of the page "To continue your enrolment, complete your purchase now. Your purchase may take 48 hours to process". Did anyone else have this issue? Is it all ok and I just have to wait and wait for the application to be approved? Is there something I need to do? I'm worried that if I follow the instructions in my Developer account online I will pay twice. I really need to get this sorted asap. When I try to use the full developer profile in xCode in "signing" I get "Cannot create a iOS App Development provisioning profile for "com.********.[appname]". Personal development teams, including "[my personal developer account name]", do not support the iCloud capability. Thanks so much in advance for help from anyone in the forum!
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setAlternateIconName Issue on iOS 26.1
When changing the app icon: On iOS versions below 26.1, we were able to use certain methods to suppress this confirmation popup ("You have changed the icon for 'Lanhai Bank'"). However, this suppression no longer works on iOS 26.1 and later. Is there any valid method to prevent this popup from appearing on iOS 26.1+? Any insights would be greatly appreciated! /用户/lanhaiyinhang/下载/微信bdf77ae6f15408892b6734696d6c2038.jpg
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[Matter] Device cannot be commissioned to Google Home through iOS
Hi, We are facing the issue of commissioning our Matter device to google home through iOS device will be 100% failed. Here is our test summary regarding the issue: TestCase1 [OK]: Commissioning our Matter 1.4.0 device to Google Nest Hub 2 by Android device (see log DoorWindow_2.0.1_Google_Success.txt ) TestCase2 [NG]: Commissioning Matter 1.4.0 device to Google Nest Hub 2 by iPhone13 or iPhone16 (see log DoorWindow_2.0.1_Google_by_iOS_NG.txt ) TestCase3 [OK]: Commissioning our Matter 1.3.0 device to Google Nest Hub 2 by iPhone13 In TestCase2, we noticed that device was first commissioned to iOS(Apple keychain) then iOS opened a commissioning window again to commission it in Google’s ecosystem, and the device was failed at above step 2, so we also tried: Commissioning the device to Apple Home works as expected, next share the device to Google Home app on iOS, this also fails. Commissioning the device to Apple Home works as expected, next share the device to Google Home app on Android, this works as expected and device pops up in Google home of iOS as well. Could you help check what's the issue of TestCase2? Append the environment of our testing: NestHub 2 version Google Home app version
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My legal name is mistakenly showing
Hi, My name is incorrectly displayed in the Individual / Tax Forms section as MarkF Frelly, while my legal name is Mark Frelly (example name). It looks like an extra “F” was mistakenly added, possibly treated as a middle initial. My account name shows correctly as Mark Frelly, but the team name and tax name are uneditable, and I’m concerned this could cause issues with tax forms. I’m unable to find any option to correct this myself. Has anyone faced this before, or is contacting Apple Developer Support the only way to fix it?
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Question about MFi token access
Hi all, Our company is applying for the Find My certification for our smartwearable product. Now we submitted the product plan and it's approved. The lab asked us to get the token but we searched on internet and the documents about it are limited. The CSR has approved and we already had .pem and .key file. I wonder what should we do next. Any helps are appreciated
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Can DEVELOPER_DIR or xcode-select support Command Line Tools at custom paths?
I'm trying to manage multiple Command Line Tools versions side-by-side (e.g., 16.2 and 26.2). I renamed the CLT directory to /Library/Developer/CommandLineTools-26.2.0 and set: xcode-select -s /Library/Developer/CommandLineTools-26.2.0 or DEVELOPER_DIR=/Library/Developer/CommandLineTools-26.2.0 Both result in: c++: error: unable to find Xcode installation from active developer path "/Library/Developer/CommandLineTools-26.2.0" It appears CLT only works at the fixed path /Library/Developer/CommandLineTools, unlike Xcode which can be at any location. Is this by design? Is there a supported way to use multiple CLT versions in parallel, similar to how multiple Xcode versions can coexist?
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Double Charge and Pending Membership
Hi Apple Developer Support Team, I placed a membership order on 12/27/2025 — Order #W1642892477 — and I’m running into two issues: Possible duplicate charges I was first charged on the card ending **73, but the site then indicated the charge did not go through. However, I can see the deduction on my card. I then tried again using my second card ending **53, and I also see a deduction there. Please confirm whether both charges actually captured or if one is only a pending authorization. If both captured, please refund the duplicate charge. Membership still shows “Pending” Even though payment appears successful, when I log in my membership status still shows Pending. I also have not received any approval/activation/confirmation email. Could you please: Confirm the payment status for Order W1642892477 (including both cards), Activate my membership, and Let me know how long activation normally takes and whether there’s any action needed from my side? Thank you, Raymond.
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Xcode Cloud Timeout: Long-running Archive Post-actions Step with No Logging (iXGuard Integration).
I’m trying to integrate our app with the iXGuard obfuscation tool, which needs to run in the archive post-actions step in Xcode Cloud. The issue is: iXGuard takes a long time to complete and, during its execution, does not generate any console output or logs in the Archive Post-actions step. Problem: When Archive Post-actions runs for a long time without producing log output, Xcode Cloud triggers a timeout and the workflow stops before running the next CI step (e.g., ci_post_xcodebuild.sh). Even though the script continues running in the background, the workflow is aborted due to inactivity in the logs. Workaround Tried: As a workaround, I have ci_post_xcodebuild.sh print the logs generated by archive post-actions. However, this does not help in my case since the timeout occurs before ci_post_xcodebuild.sh even runs. Error: The step invocation hit a user timeout. The xcodebuild archive invocation timed out. No activity has been detected on stdout, stderr or the result bundle in 30 minutes. Question: Is there a recommended way to prevent Xcode Cloud from timing out during long-running steps that do not produce log output? Are there best practices for keeping the workflow alive with periodic logs during Archive Post-actions? Any support or workaround for integrating tools like iXGuard that require significant processing time after the archive step? Thanks in advance for your help!
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Xcode 26.1 Simulator download fails with DVTDownloadableErrorDomain code 41 and code 49 on macOS 26.1
I'm trying to download an iOS Simulator runtime in Xcode 26.2 or 26.1 on macOS 26.1, but the download keeps failing with the following error: Download failed. Domain: DVTDownloadableErrorDomain Code: 41 Failed fetching catalog for assetType (com.apple.MobileAsset.iOSSimulatorRuntime), serverParameters ({ RequestedBuild = 23C54;}) Domain: DVTDownloadsUtilitiesErrorDomain. Code: -1. Download failed due to a bad URL. (Catalog download for com.apple.MobileAsset.iOSSimulatorRuntime) Domain: com.apple.MobileAssetError.Download Code: 49 User Info: {checkConfiguration = 1;} macOS & Xcode Info: macOS Version: 26.1 (Build 25B78) Xcode Version: 26.2 (24553) (Build 17C52) What I've tried so far: Formatted my Mac and reinstalled Xcode multiple times. Completely deleted Xcode and its related files several times (/Applications/Xcode.app, caches, preferences). Tried different internet connections from multiple locations. Checked Apple servers and verified network. Attempted downloading other simulator runtimes (fail). but download fails immediately with DVTDownloadableErrorDomain Code 41 and bad URL error. Question: How can I fix the simulator download issue in Xcode 26.2 on macOS 26.1? Is there a known workaround for the bad URL / catalog download error?
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my developer enrollement is not completed. contact support doest not help
when i start to enroll apple developer account for organisation it could not be completed and in the end saying contact support. but when i mailed to them there is no support or reply from apple customer support. and there is no specification what problem i have from stopping me to complete apple developer account enrollement.
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xCode 26.2 Debug exetubale ON crashes on ios 26.2 devices
Hi, I am running build on ios 26.2 device, connected with cable (not wifi) and it crashes because files are not loaded or something. But when i turn off Debug Exetuble, it works just fine. Also, tried to run on ios 18.2 device, with Debug executable On - everything is ok, and breakpoints work. My guess, App crashes on reading and loading Assets and others app files like certificates. XCode run logs shows: **"Too many file errors". ** sample.txt xcode_run_logs.txt Also, exectued image list on lldb console, could not attach here, if needed i can add it with some url here.
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iOS Safari Rendering Issue: Sticky Header Sometimes Fails to Update After DOM Changes
I’m encountering an issue on iOS when rendering a list using React. Each list item uses the array index as the React key and consists of two parts: a header section that uses position: sticky for dynamic sticking behavior, and a body section whose height is automatically adjusted based on its content. When the list data is updated, I sometimes observe that the sticky header content does not update visually in time, even though the underlying data and DOM have changed. // demo.jsx import React, { useState } from 'react'; import { Button } from '@iftide/mobile'; import './style2.less'; // import data1 from './data1.json'; // import data2 from './data2.json'; const prefixCls = 'im-detaillist'; const data1 = [ { sectionTitle: '2025年05月' }, { sectionTitle: '2025年04月' }, { sectionTitle: '2025年03月' } ]; const data2 = [ { sectionTitle: '2023年08月' }, { sectionTitle: '2023年07月' }, { sectionTitle: '2023年06月' }, { sectionTitle: '2023年05月' } ]; export default function App() { const [list, setList] = useState(data1); const [toggle, setToggle] = useState(true); return ( <div> <Button title="更新2" onClick={() => { setToggle(!toggle); setList(data2); }} /> <div className={`${prefixCls}-container2`} style={{ height: `700px` }}> {list.map((section: any, sectionIdx: number) => { return ( <div className={`${prefixCls}`} key={String(sectionIdx)} // id={section.sectionTitle} > <div className={`${prefixCls}-section-title`} role="text"> {section.sectionTitle} </div> <div style={{ background: 'green', height: `${Math.ceil(400 * Math.random()) + 50}px` }} > 省略 </div> </div> ); })} </div> </div> ); } .@{prefixCls}-section-title { position: sticky; position: -webkit-sticky; will-change: transform; top: 0; z-index: 1; padding-left: 11px; width: 100%; height: 30px; font-size: var(--font-size-s); font-weight: 400; line-height: 30px; color: #000000; background-color: #F4F5F7; letter-spacing: 0; }
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What devices will the Swift Student Challenge be judged on?
My project requires the on-device apple intelligence models (FoundationModels) which are only available for iPad on iPad Pro M1 and later, iPad Air M1 and later, iPad mini A17 Pro. If they don't judge on one of these devices, my project might not work properly as FoundationModels is a pretty big part of my project. For this reason I really need to know what devices the Swift Student Challenge will be judged on.
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Question Regarding App Rejection Reason
Hello, I hope you are doing well. I recently submitted my app for review, and it was rejected. However, I am still unsure about the exact reason for this decision. I carefully reviewed the feedback provided, but some points remain unclear to me. Could you please clarify which specific guidelines were not met, or which parts of the app need to be changed or improved? My goal is to fully understand the issue so I can fix it properly and ensure that the app complies with all App Store Review Guidelines in the future. Thank you in advance for your time and support.
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CompileMetalFile Failed With Xcode Cloud
Hello guys, recently I integrated a third-party library into my code to handle blur effects (Glur). This library leverages Metal's compute capabilities and appears to automatically depend on the Metal toolchain during the build process. When using Xcode Cloud, the archive step consistently fails with a "CompileMetalFile Failed" error. However, when I manually archive the project in Xcode locally, everything works fine without any issues. I’ve confirmed that the macOS and Xcode versions specified in my Xcode Cloud workflow are correct. Reply if you know how to fix it or it will be fixed future, thanks. I'm using Xcode 26.2(17C52) and macOS(15.7.1 (24G231))
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