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Sandbox restriction Error 159: Tap to Pay integration in iOS app
Hi all, I am hope someone could assist me with the below error if you ever ran into this during Tap-to-Pay functionality integration on iOS/iPadOS devices. Pre-condition: I have received required entitlements for the Tap-to-Pay integration and created Sandbox test account to validate my development work. Used updated development profile with the new capabilities required for the Integration. When i try to test my flow, i keep receiving this error, with multiple sandbox accounts in developer portal. Error (refreshContext): proxy error handler [ Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service named com.apple.merchantd.transaction was invalidated: failed at lookup with error 159 - Sandbox restriction." UserInfo={NSDebugDescription=The connection to service named com.apple.merchantd.transaction was invalidated: failed at lookup with error 159 - Sandbox restriction.} ] I greatly appreciate if anyone faced this issue or any knowledge on how to address this error. Thanks in advance. Best regards, Govardhan.
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279
Jul ’25
Strange network information values ​​in response to DeviceInformation command on iPad
I am checking the response of DeviceInformation Command to collect network information from iPad. On iPad(iPad Pro 11, M4) devices that use WiFi without inserting Usim or Esim, network values ​​such as CurrentMCC and ICCID are received in response to the DeviceInformation command. cf.)Even though it may be garbage value, I blurred the unique information just in case. <key>ServiceSubscriptions</key> <array> <dict> <key>CarrierSettingsVersion</key> <string>61.0</string> <key>CurrentCarrierNetwork</key> <string></string> <key>CurrentMCC</key> <string>450</string> <key>CurrentMNC</key> <string>08</string> <key>EID</key> <string>blah blah</string> <key>ICCID</key> <string>blah balh</string> <key>IMEI</key> <string>blah blah</string> <key>IsDataPreferred</key> <true/> <key>IsRoaming</key> <true/> <key>IsVoicePreferred</key> <false/> <key>Label</key> <string>Provisioning</string> <key>LabelID</key> <string>00000000-0000-0000-0000-000000000000</string> <key>PhoneNumber</key> <string></string> <key>Slot</key> <string>CTSubscriptionSlotOne</string> <key>SubscriberCarrierNetwork</key> <string>iPad</string> </dict> </array> This is a bit weird. If I collect the same information from an iPhone(iPhone 15 Pro Max) that only uses wifi and does not use Usim or Esim, it does not respond with values ​​like ICCID, CurrentMCC, etc. <key>ServiceSubscriptions</key> <array> <dict> <key>IMEI</key> <string>blah blah</string> <key>Slot</key> <string>CTSubscriptionSlotOne</string> </dict> <dict> <key>EID</key> <string>blah blah</string> <key>IMEI</key> <string>blah blah</string> <key>Slot</key> <string>CTSubscriptionSlotTwo</string> </dict> </array> I'm confused by the network information collected. Is there a reason why the collected network information of iPad and iPhone are different?
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288
Jun ’25
Can `UIApplication.shared.setAlternateIconName` use .icon file?
I’m updating my app’s alternate icons using UIApplication.shared.setAlternateIconName, and I noticed that in iOS 26, Xcode now supports the new .icon file format for App Icons. Is it possible to reference .icon files directly for alternate icons? Or does setAlternateIconName still only support traditional .png assets inside the AppIcon set? I couldn’t find any documentation confirming this either way, and I want to ensure compatibility with the new format while supporting alternate icons. Any clarification or Apple documentation link would be greatly appreciated!
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250
Jun ’25
Localize title and subtitle on App Clip card.
Hello, Our App Clip has recently gone live, and I’ve been testing the App Clip card across different device languages. I’ve noticed that while the action button text (e.g., “Open”) is localized automatically, the title and subtitle on the App Clip card are not being localized. Currently, they always appear in English. While configuring the advanced App Clip experience in App Store Connect, I was only able to select a single language (English). I attempted to create additional App Clip experiences for other languages, but encountered an error stating that the same App Clip Experience URL cannot be reused. Given that our users are distributed globally, I would like to understand: How can we localize the App Clip card (title and subtitle) for multiple languages while using the same App Clip Experience URL? Is there a recommended approach to support localization for a single App Clip experience across different regions/languages? Any guidance or best practices would be greatly appreciated. Thank you.
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[iOS 26] [PushToTalk] Not receiving microphone PCM sample when Transmission Starts from System UI.
Steps To reproduce: Login to application and App has joined the PTC channel. Push the application to background and Lock the device. From the System UI press the talk button which will start transmit. Audio Session has been activated and Audio unit has been initialised properly. On terminator side no media is being played out. Issue observed consistently on specific models which has configured audio codec with Stereo type. More details are added : FB20281626
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373
Oct ’25
Facing "Failed to create promise" issue on ios 18 simulators
Hi, We are facing issues on ios simulators os version 18, "Simulator device failed to install the application. Failed to create promise. Underlying error (domain=IXErrorDomain, code=2):" Due to this error simulator is unable to install the application. we are facing this intermittently. xcode version : Xcode.16.0.0.16A242d.app ios simulator runtime : com.apple.CoreSimulator.SimRuntime.iOS-18-0 ios simulator : com.apple.CoreSimulator.SimDeviceType.iPhone-16 mac os version : macOS 15.4 we have tried upgrading to xcode Xcode.16.1.0.16B40.app and ios simulator runtime to 18.1 but its not working. Also we have rebooted xcode, not helping. *Exact error message : ** org.openqa.selenium.SessionNotCreatedException: Could not start a new session. Response code 500. Message: An unknown server-side error occurred while processing the command. Original error: Error running 'install': An error was encountered processing the command (domain=IXErrorDomain, code=2): Simulator device failed to install the application. Failed to create promise. Underlying error (domain=IXErrorDomain, code=2): Failed to set icon resources promise for com.yyyy.xxxx Failed to create promise. Host info: host: 'uci-macmini-019lab3b.local', ip: 'fe80:0:0:0:1caf:6627:141d:f464%en0' Build info: version: '4.30.0', revision: '509c7f17cc' System info: os.name: 'Mac OS X', os.arch: 'aarch64', os.version: '15.3.1', java.version: '11.0.25' Driver info: com.mypackage.common.drivers.CustomIosDriver$ByteBuddy$g865VfU3 Command: [null, newSession {capabilities=[{appium:webviewConnectTimeout=120000, appium:autoAcceptAlerts=true, appium:app=/Users/mobileci/.buildkite-agent/builds/uci-macmini-019lab3b/mypackage/e2e-test-ios-simulator/8155f349-18b9-413c-9d17-dcb064986154/test_artifacts/target.app, appium:includeSafariInWebviews=true, appium:locale=US, appium:mjpegServerPort=52715, appium:newCommandTimeout=600000, appium:waitForIdleTimeout=3, appium:derivedDataPath=/Users/mobileci/.buildkite-agent/builds/uci-macmini-019lab3b/mypackage/e2e-test-ios-simulator/8155f349-18b9-413c-9d17-dcb064986154/appium_wda_ios/, appium:wdaConnectionTimeout=300000, appium:wdaLaunchTimeout=300000, appium:processArguments={env={E2E_TESTING=YES, RUN_UUID=8155f349-18b9-413c-9d17-dcb064986154}}, appium:automationName=XCUITest, appium:fullReset=true, appium:udid=F266ECC3-FD23-464D-B0C3-576EB48B2FF5, appium:deviceName=E2ESimulator, appium:wdaLocalPort=52714, appium:showXcodeLog=true, appium:webkitDebugProxyPort=52716, appium:noReset=false, appium:language=en, platformName=IOS, appium:simpleIsVisibleCheck=true}], desiredCapabilities=Capabilities {app: /Users/mobileci/.buildkite-..., autoAcceptAlerts: true, automationName: XCUITest, derivedDataPath: /Users/mobileci/.buildkite-..., deviceName: E2ESimulator, fullReset: true, includeSafariInWebviews: true, language: en, locale: US, mjpegServerPort: 52715, newCommandTimeout: 600000, noReset: false, platformName: IOS, processArguments: {env: {E2E_TESTING: YES, RUN_UUID: 8155f349-18b9-413c-9d17-dcb...}}, showXcodeLog: true, simpleIsVisibleCheck: true, udid: F266ECC3-FD23-464D-B0C3-576..., waitForIdleTimeout: 3, wdaConnectionTimeout: 300000, wdaLaunchTimeout: 300000, wdaLocalPort: 52714, webkitDebugProxyPort: 52716, webviewConnectTimeout: 120000}}] Capabilities {app: /Users/mobileci/.buildkite-..., autoAcceptAlerts: true, automationName: XCUITest, derivedDataPath: /Users/mobileci/.buildkite-..., deviceName: E2ESimulator, fullReset: true, includeSafariInWebviews: true, language: en, locale: US, mjpegServerPort: 52715, newCommandTimeout: 600000, noReset: false, platformName: IOS, processArguments: {env: {E2E_TESTING: YES, RUN_UUID: 8155f349-18b9-413c-9d17-dcb...}}, showXcodeLog: true, simpleIsVisibleCheck: true, udid: F266ECC3-FD23-464D-B0C3-576..., waitForIdleTimeout: 3, wdaConnectionTimeout: 300000, wdaLaunchTimeout: 300000, wdaLocalPort: 52714, webkitDebugProxyPort: 52716, webviewConnectTimeout: 120000} at
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Apr ’25
Does anyone know how to prevent Liqud Glass from stretching when elements with the glassEffect are dragged?
When making an element with .glassEffect(.clear.interactive()) draggable, it stretches as it moves. It seems like it's meant to stretch as you move your finger away from the element, but it doesn't make sense if the element is following your finger as you drag it. Is this a bug, or is there a way to disable this behavior without removing the other "interactive" animations? P.S. The shiny border around the elements seems to be a rounded rectangle or capsule, but the actual element's shape seems to be stretched. That also appears to be a bug.
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94
Feb ’26
Trouble installing Xcode 23.0.1
I was having an issue with the new xcode and was forced to to go back to to Xcode 26.0.1. ( I need iOS simulators for mobile testing and as Developer I know is using this version with no problems). I've always install xcode from the app store with no issue so installing from Apple Dev was something new for me so So I did the following downloaded Xcode 26.0.1 Extracted it from Xzip added the extracted Xcode version to the applications folder click the Xcode icon Expected result I was expecting to see text i could install Xcode version Actual Result Xcode opened Asked me to create a project When project was created I saw Question. What did I do wrong? How do I fix it?
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Mar ’26
Setting Required Capabilities for Foundation Models
Cross-posting this from https://developer.apple.com/forums/thread/795707 per ask from DTS Engineer: Is there any way to ensure iOS apps we develop using Foundation Models can only be purchasable/downloadable on App Store by folks with capable devices? I would've thought there would be a Required Capabilities that App Store would hook into for Apple Intelligence-capable devices, but I don't seem to see it in the documentation here: https://developer.apple.com/documentation/bundleresources/information-property-list/uirequireddevicecapabilities The closest seems to be iphone-performance-gaming-tier as that seems to target all M1 and above chips on iPhone & iPad. There is an ipad-minimum-performance-m1 that would more reasonably seem to ensure Foundation Models is likely available, but that doesn't help with iPhone. So far, it seems the only path would be to set Minimum Deployment to iOS 26 and add iphone-performance-gaming-tier as a required capability, but I'm a bit worried that capability might diverge in the future from what's Foundation Model / Apple Intelligence capable since we're really wanting the devices with Apple Neural Engine sufficient for Apple Intelligence features in the SDKs (like Foundaton Models, Image Playgrounds, Audio Transcription, etc.) While I understand for the majority of apps they'll want to just selectively add in Apple Intelligence features and so can be usable by folks whose devices don't support it, the app experience I'm building doesn't make sense without the Foundation Models being available and I'd rather not have a large number of users downloading the app to be told "Sorry, your device is not capable of Apple Intelligence and so can't use this app" I've created a Feedback Assistant ticket tracking the question/ask here: FB19366221
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117
Aug ’25
Liquid glass segment view freezes when dragging handle to a disabled segment
Setup: I have a segment view with 3 segments, and the last on (at index 2) is disabled. Issue: When I drag the liquid glass handle of the segment view from what was previously selected to the disabled segment, the liquid glass handle freezes mid-air. Workaround: I can still interact with the handle and manually restore its position, or tap on any other segment to restore its position. Notes: I'm using UIKit, and no extra customizations are applied. class ViewController: UIViewController { @IBOutlet weak var segmentView: UISegmentedControl! override func viewDidLoad() { super.viewDidLoad() segmentView.removeAllSegments() let segments = ["Option 1", "Option 2", "Option 3"] for (index, title) in segments.enumerated() { segmentView.insertSegment(withTitle: title, at: index, animated: false) } // Select the first one by default segmentView.selectedSegmentIndex = 0 // Disable the last segment segmentView.setEnabled(false, forSegmentAt: 2) } }
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116
Jan ’26
Unable to change codesign page size during xcodebuild export
We've noticed, that size of our ipa started to vary from time to time. We've found that all the difference was in the LC_CODE_SIGNATURE command under the _LINKEDIT segment of binary. The main reason of that change was the different number of hash slots due to different value of page size: 4096 on macOS SEQUOIA and 16384 on macOS TAHOE. So the size of the final binary was dependent on the machine, it was produced on. I didn't find out any information on why the default page size changed on TAHOE. Apple’s codesign supports a --pagesize argument. For regular builds that setting can be passed via OTHER_CODE_SIGN_FLAGS=--pagesize 16384. But it seems that xcodebuild export ...` completely ignores it: i've tried to pass invalid size (not the power of two), and the export still succeded. I've also managed to get xcodebuild logs via log stream --style compact --predicate 'process == "xcodebuild" OR process == "codesign"' --level trace They have no occurrences of --pagesize: 2026-03-24 13:43:27.236 Df xcodebuild[93993:a08c53] [IDEDistributionPipeline:verbose] invoking codesign: <NSConcreteTask: 0x8a1b21bd0; launchPath='/usr/bin/codesign', arguments='( "-f", "-s", 8C38C4A2CB0388A3DB6BAEFE438F20E044EE6CB2, "--entitlements", "/var/folders/w_/5t00sclx2vlcm4_fvly7wvh00000gn/T/XcodeDistPipeline.~~~T3Dcdf/entitlements~~~c2srXx", "--preserve-metadata=identifier,flags,runtime,launch-constraints,library-constraints", "--generate-entitlement-der", "--strip-disallowed-xattrs", "-vvv", "/var/folders/w_/5t00sclx2vlcm4_fvly7wvh00000gn/T/XcodeDistPipeline.~~~T3Dcdf/Root/Payload/App.app/Frameworks/FLEXWrapper.framework" )'> So here I have some questions: How is the default page size selected? Why the default page size may change between SEQUOIA and TAHOE? How to provide page size to xcodebuild's export or it's a bug that it doesn't look at the value of OTHER_CODE_SIGN_FLAGS?
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1w
iOS 26 - Touch in context menu preview not working anymore
Hello, I am testing an existing app on iOS 26. It hast an UITableViewController that shows a custom context menu preview using previewForHighlightingContextMenuWithConfiguration and providing an UITargetedPreview. Something along the lines like this (shortened): public override func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? { guard let indexPath = configuration.identifier as? NSIndexPath else { return nil } let previewTableViewCell = self.getCell(for: indexPath) var cellHeight = self.getCellHeight(for: indexPath, with: maxTextWidth) // Use the contentView of the UITableViewCell as a preview view let previewMessageView = previewTableViewCell.contentView previewMessageView.frame = CGRect(x: 0, y: 0, width: maxPreviewWidth, height: cellHeight) previewMessageView.layer.masksToBounds = true let accessoryView = ... let totalAccessoryFrameHeight = accessoryView.frame.maxY - cellHeight var containerView = UIView(frame: .init(x: 0, y: 0, width: Int(maxPreviewWidth), height: Int(cellHeight + totalAccessoryFrameHeight))) containerView.backgroundColor = .clear containerView.addSubview(previewMessageView) containerView.addSubview(accessoryView) // Create a preview target which allows us to have a transparent background let previewTarget = UIPreviewTarget(container: tableView, center: ...) let previewParameter = UIPreviewParameters() // Remove the background and the drop shadow from our custom preview view previewParameter.backgroundColor = .clear previewParameter.shadowPath = UIBezierPath() return UITargetedPreview(view: containerView, parameters: previewParameter, target: previewTarget) } On iOS 18 and below this works fine and buttons that are included in the accessoryView are tapable by the user. Now on iOS 26 the preview is shown correct (although it has a bit weird shadow animation), but tapping a button of the accessoryView now closes the context menu, without triggering the touchUpInside event anymore. For me it feels like an unintended change in behavior, but maybe I am missing something? Filed FB18644353
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405
Jul ’25
App rejection because of __SwiftValue
Hi, Our Flutter + Swift iOS app was rejected under Guideline 2.5.1 citing usage of a non-public API: Runner Classes: __SwiftValue From our analysis, __SwiftValue appears to be an internal Swift runtime type automatically generated by the Swift compiler for Swift–Objective-C bridging. It is not referenced in our source code or by any third-party frameworks and only appears in the compiled Runner binary. Has anyone encountered this rejection before? Is __SwiftValue considered a private API by App Review, or is this a known false positive? Are there any recommended build settings or mitigations to avoid this flag?
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104
Jan ’26
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; }
Topic: Safari & Web SubTopic: General Tags:
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136
Dec ’25
Is it technically possible to force-update ASM/MDM-distributed App Store apps via a custom update server?
Hello, I’d like to clarify the technical limitations around app updates in an Apple School Manager (ASM) + MDM environment. Environment • iOS/iPadOS devices supervised and managed via Apple School Manager • Apps are distributed via ASM (VPP / Custom App) and managed by MDM • Apps are App Store–signed (not Enterprise/In-House) • Some apps include NetworkExtension (VPN) functionality • Automatic app updates are enabled in MDM Question From a technical and platform-design perspective, is it possible to: Deploy app updates for ASM/MDM-distributed App Store apps via a separate/custom update server, and trigger updates simultaneously across all managed devices, bypassing or supplementing the App Store update mechanism? In other words: • Can an organization operate its own update server to push a new app version to all devices at once? • Or is App Store + iOS always the sole execution path for installing updated app binaries? ⸻ My current understanding (please correct if wrong) Based on Apple documentation, it seems that: 1. App Store–distributed apps cannot self-update • Apps cannot download and install new binaries or replace themselves. • All executable code must be Apple-signed and installed by the system. 2. MDM can manage distribution and enable auto-update, but: • MDM cannot reliably trigger an immediate update for App Store apps. • Actual download/install timing is decided by iOS (device locked, charging, Wi-Fi, etc.). 3. Custom update servers • May be used for policy decisions (minimum allowed version, feature blocking), • But cannot be used to distribute or install updated app binaries on iOS. 4. For ASM-managed devices: • The only supported update execution path is: App Store → iOS → Managed App Update • Any “forced update” behavior must be implemented at the app logic level, not the installation level. ⸻ What I’m trying to confirm • Is there any supported MDM command, API, or mechanism that allows: • Centralized, immediate, one-shot updates of App Store apps across all ASM-managed devices? • Or is the above limitation fundamental by design, meaning: • Organizations must rely on iOS’s periodic auto-update behavior • And enforce version compliance only via app-side logic? ⸻ Why this matters In large school deployments, delayed updates (due to device conditions or OS scheduling) can cause: • Version fragmentation • Inconsistent behavior across classrooms • Operational issues for VPN / security-related apps Understanding whether this limitation is absolute or if there is a recommended Apple-supported workaround would be extremely helpful. Thanks in advance for any clarification
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905
Jan ’26
Vision Framework VNTrackObjectRequest: Minimum Valid Bounding Box Size Causing Internal Error (Code=9)
I'm developing a tennis ball tracking feature using Vision Framework in Swift, specifically utilizing VNDetectedObjectObservation and VNTrackObjectRequest. Occasionally (but not always), I receive the following runtime error: Failed to perform SequenceRequest: Error Domain=com.apple.Vision Code=9 "Internal error: unexpected tracked object bounding box size" UserInfo={NSLocalizedDescription=Internal error: unexpected tracked object bounding box size} From my investigation, I suspect the issue arises when the bounding box from the initial observation (VNDetectedObjectObservation) is too small. However, Apple's documentation doesn't clearly define the minimum bounding box size that's considered valid by VNTrackObjectRequest. Could someone clarify: What is the minimum acceptable bounding box width and height (normalized) that Vision Framework's VNTrackObjectRequest expects? Is there any recommended practice or official guidance for bounding box size validation before creating a tracking request? This information would be extremely helpful to reliably avoid this internal error. Thank you!
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136
Apr ’25
Is testing of Age Range API available in xcode simulator?
From https://developer.apple.com/forums/thread/803945?answerId=862153022#862153022, the testing of Age Range API was not available through xcode simulator back in Oct 2025. Is this available now? In particular: Is requestAgeRange testing available through simulator? Is requestAgeRange testing with sandbox account available through simulator? Is isEligibleForAgeFeatures available through simulator? Is isEligibleForAgeFeatures testing with sandbox account available through simulator? If the answer is "yes" to any of the above, which version of the xcode and ios version should I use? So far I didn't get any of the above working on the simulator, and I can't find any documentation on the answers above. Thank you!
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199
Dec ’25
VoiceOver Headings Accessibility Rotor with SwiftUI on iOS
Hi, On iOS, I'd like to mark views that are inside a LazyVStack as headers for VoiceOver (make them appear in the headings rotor). In a VStack, you just have add .accessibilityAddTraits(.isHeader) to your header view. However, if your view is in a LazyVStack, that won't work if the view is not visible. As its name implies, LazyVStack is lazy so that makes sense. There is very little information online about system rotors, but it seems you are supposed to use .accessibilityRotor() with the headings system rotor (.accessibilityRotor(.headings)) outside of the LazyVStack. Something like the following. .accessibilityRotor(.headings) { ForEach(entries) { entry in // entry.id must be the same as the id of the SwiftUI view it is about AccessibilityRotorEntry(entry.name, id: entry.id) } } It kinds of work, but only kind of. When using .accessibilityAddTraits(.isHeader) in a VStack, the view is in the headings rotor as soon as you change screen. However, when using .accessibilityRotor(.headings), the headers (headings?) are not in the headings rotor at the time the screen appears. You have to move the accessibility focus inside the screen before your headers show up. I'm a beginner in regards to VoiceOver, so I don't know how a blind user used to VoiceOver would perceive this, but it feels to me that having to move the focus before the headers are in the headings rotor would mean some users would miss them. So my question is: is there a way to have headers inside a LazyVStack (and are not necessarily visible at first) to be in the headings rotor as soon as the screen appears? (be it using .accessibilityRotor(.headings) or anything else) The "SwiftUI Accessibility: Beyond the basics" talk from WWDC 2021 mentions custom rotors, not system rotors, but that should be close enough. It mentions that for accessibilityRotor to work properly it has to be applied on an accessibility container, so just in case I tried to move my .accessibilityRotor(.headings) to multiple places, with and without the accessibilityElement(children: .contain) modifier, but that did not seem to change the behavior (and I could not understand why accessibilityRotor could not automatically make the view it is applied on an accessibility container if needed). Also, a related question: when using .accessibilityRotor(.headings) on a screen, is it fine to mix uses of .accessibilityRotor(.headings) and .accessibilityRotor(.headings)? In a screen with multiple type of contents (something like ScrollView { VStack { MyHeader(); LazyVStack { /* some content */ }; LazyVStack { /* something else */ } } }), having to declare all headers in one place would make code reusability harder. Thanks
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113
Jun ’25
Sandbox restriction Error 159: Tap to Pay integration in iOS app
Hi all, I am hope someone could assist me with the below error if you ever ran into this during Tap-to-Pay functionality integration on iOS/iPadOS devices. Pre-condition: I have received required entitlements for the Tap-to-Pay integration and created Sandbox test account to validate my development work. Used updated development profile with the new capabilities required for the Integration. When i try to test my flow, i keep receiving this error, with multiple sandbox accounts in developer portal. Error (refreshContext): proxy error handler [ Error Domain=NSCocoaErrorDomain Code=4099 "The connection to service named com.apple.merchantd.transaction was invalidated: failed at lookup with error 159 - Sandbox restriction." UserInfo={NSDebugDescription=The connection to service named com.apple.merchantd.transaction was invalidated: failed at lookup with error 159 - Sandbox restriction.} ] I greatly appreciate if anyone faced this issue or any knowledge on how to address this error. Thanks in advance. Best regards, Govardhan.
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279
Activity
Jul ’25
Strange network information values ​​in response to DeviceInformation command on iPad
I am checking the response of DeviceInformation Command to collect network information from iPad. On iPad(iPad Pro 11, M4) devices that use WiFi without inserting Usim or Esim, network values ​​such as CurrentMCC and ICCID are received in response to the DeviceInformation command. cf.)Even though it may be garbage value, I blurred the unique information just in case. <key>ServiceSubscriptions</key> <array> <dict> <key>CarrierSettingsVersion</key> <string>61.0</string> <key>CurrentCarrierNetwork</key> <string></string> <key>CurrentMCC</key> <string>450</string> <key>CurrentMNC</key> <string>08</string> <key>EID</key> <string>blah blah</string> <key>ICCID</key> <string>blah balh</string> <key>IMEI</key> <string>blah blah</string> <key>IsDataPreferred</key> <true/> <key>IsRoaming</key> <true/> <key>IsVoicePreferred</key> <false/> <key>Label</key> <string>Provisioning</string> <key>LabelID</key> <string>00000000-0000-0000-0000-000000000000</string> <key>PhoneNumber</key> <string></string> <key>Slot</key> <string>CTSubscriptionSlotOne</string> <key>SubscriberCarrierNetwork</key> <string>iPad</string> </dict> </array> This is a bit weird. If I collect the same information from an iPhone(iPhone 15 Pro Max) that only uses wifi and does not use Usim or Esim, it does not respond with values ​​like ICCID, CurrentMCC, etc. <key>ServiceSubscriptions</key> <array> <dict> <key>IMEI</key> <string>blah blah</string> <key>Slot</key> <string>CTSubscriptionSlotOne</string> </dict> <dict> <key>EID</key> <string>blah blah</string> <key>IMEI</key> <string>blah blah</string> <key>Slot</key> <string>CTSubscriptionSlotTwo</string> </dict> </array> I'm confused by the network information collected. Is there a reason why the collected network information of iPad and iPhone are different?
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288
Activity
Jun ’25
Can `UIApplication.shared.setAlternateIconName` use .icon file?
I’m updating my app’s alternate icons using UIApplication.shared.setAlternateIconName, and I noticed that in iOS 26, Xcode now supports the new .icon file format for App Icons. Is it possible to reference .icon files directly for alternate icons? Or does setAlternateIconName still only support traditional .png assets inside the AppIcon set? I couldn’t find any documentation confirming this either way, and I want to ensure compatibility with the new format while supporting alternate icons. Any clarification or Apple documentation link would be greatly appreciated!
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250
Activity
Jun ’25
Localize title and subtitle on App Clip card.
Hello, Our App Clip has recently gone live, and I’ve been testing the App Clip card across different device languages. I’ve noticed that while the action button text (e.g., “Open”) is localized automatically, the title and subtitle on the App Clip card are not being localized. Currently, they always appear in English. While configuring the advanced App Clip experience in App Store Connect, I was only able to select a single language (English). I attempted to create additional App Clip experiences for other languages, but encountered an error stating that the same App Clip Experience URL cannot be reused. Given that our users are distributed globally, I would like to understand: How can we localize the App Clip card (title and subtitle) for multiple languages while using the same App Clip Experience URL? Is there a recommended approach to support localization for a single App Clip experience across different regions/languages? Any guidance or best practices would be greatly appreciated. Thank you.
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Activity
1w
[iOS 26] [PushToTalk] Not receiving microphone PCM sample when Transmission Starts from System UI.
Steps To reproduce: Login to application and App has joined the PTC channel. Push the application to background and Lock the device. From the System UI press the talk button which will start transmit. Audio Session has been activated and Audio unit has been initialised properly. On terminator side no media is being played out. Issue observed consistently on specific models which has configured audio codec with Stereo type. More details are added : FB20281626
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373
Activity
Oct ’25
Facing "Failed to create promise" issue on ios 18 simulators
Hi, We are facing issues on ios simulators os version 18, "Simulator device failed to install the application. Failed to create promise. Underlying error (domain=IXErrorDomain, code=2):" Due to this error simulator is unable to install the application. we are facing this intermittently. xcode version : Xcode.16.0.0.16A242d.app ios simulator runtime : com.apple.CoreSimulator.SimRuntime.iOS-18-0 ios simulator : com.apple.CoreSimulator.SimDeviceType.iPhone-16 mac os version : macOS 15.4 we have tried upgrading to xcode Xcode.16.1.0.16B40.app and ios simulator runtime to 18.1 but its not working. Also we have rebooted xcode, not helping. *Exact error message : ** org.openqa.selenium.SessionNotCreatedException: Could not start a new session. Response code 500. Message: An unknown server-side error occurred while processing the command. Original error: Error running 'install': An error was encountered processing the command (domain=IXErrorDomain, code=2): Simulator device failed to install the application. Failed to create promise. Underlying error (domain=IXErrorDomain, code=2): Failed to set icon resources promise for com.yyyy.xxxx Failed to create promise. Host info: host: 'uci-macmini-019lab3b.local', ip: 'fe80:0:0:0:1caf:6627:141d:f464%en0' Build info: version: '4.30.0', revision: '509c7f17cc' System info: os.name: 'Mac OS X', os.arch: 'aarch64', os.version: '15.3.1', java.version: '11.0.25' Driver info: com.mypackage.common.drivers.CustomIosDriver$ByteBuddy$g865VfU3 Command: [null, newSession {capabilities=[{appium:webviewConnectTimeout=120000, appium:autoAcceptAlerts=true, appium:app=/Users/mobileci/.buildkite-agent/builds/uci-macmini-019lab3b/mypackage/e2e-test-ios-simulator/8155f349-18b9-413c-9d17-dcb064986154/test_artifacts/target.app, appium:includeSafariInWebviews=true, appium:locale=US, appium:mjpegServerPort=52715, appium:newCommandTimeout=600000, appium:waitForIdleTimeout=3, appium:derivedDataPath=/Users/mobileci/.buildkite-agent/builds/uci-macmini-019lab3b/mypackage/e2e-test-ios-simulator/8155f349-18b9-413c-9d17-dcb064986154/appium_wda_ios/, appium:wdaConnectionTimeout=300000, appium:wdaLaunchTimeout=300000, appium:processArguments={env={E2E_TESTING=YES, RUN_UUID=8155f349-18b9-413c-9d17-dcb064986154}}, appium:automationName=XCUITest, appium:fullReset=true, appium:udid=F266ECC3-FD23-464D-B0C3-576EB48B2FF5, appium:deviceName=E2ESimulator, appium:wdaLocalPort=52714, appium:showXcodeLog=true, appium:webkitDebugProxyPort=52716, appium:noReset=false, appium:language=en, platformName=IOS, appium:simpleIsVisibleCheck=true}], desiredCapabilities=Capabilities {app: /Users/mobileci/.buildkite-..., autoAcceptAlerts: true, automationName: XCUITest, derivedDataPath: /Users/mobileci/.buildkite-..., deviceName: E2ESimulator, fullReset: true, includeSafariInWebviews: true, language: en, locale: US, mjpegServerPort: 52715, newCommandTimeout: 600000, noReset: false, platformName: IOS, processArguments: {env: {E2E_TESTING: YES, RUN_UUID: 8155f349-18b9-413c-9d17-dcb...}}, showXcodeLog: true, simpleIsVisibleCheck: true, udid: F266ECC3-FD23-464D-B0C3-576..., waitForIdleTimeout: 3, wdaConnectionTimeout: 300000, wdaLaunchTimeout: 300000, wdaLocalPort: 52714, webkitDebugProxyPort: 52716, webviewConnectTimeout: 120000}}] Capabilities {app: /Users/mobileci/.buildkite-..., autoAcceptAlerts: true, automationName: XCUITest, derivedDataPath: /Users/mobileci/.buildkite-..., deviceName: E2ESimulator, fullReset: true, includeSafariInWebviews: true, language: en, locale: US, mjpegServerPort: 52715, newCommandTimeout: 600000, noReset: false, platformName: IOS, processArguments: {env: {E2E_TESTING: YES, RUN_UUID: 8155f349-18b9-413c-9d17-dcb...}}, showXcodeLog: true, simpleIsVisibleCheck: true, udid: F266ECC3-FD23-464D-B0C3-576..., waitForIdleTimeout: 3, wdaConnectionTimeout: 300000, wdaLaunchTimeout: 300000, wdaLocalPort: 52714, webkitDebugProxyPort: 52716, webviewConnectTimeout: 120000} at
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Activity
Apr ’25
safeAreaBar size, for list offset
In my tabview i set a safeAreaBar topPanel, under i have contentview. That ignore safeArea.top so feed go under. What is the best Way to have a the first post in content appear under (under the bottom) if the safeareabar. I use list with foreach. Do we measure the height or is it some smart tips?
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Activity
Mar ’26
Does anyone know how to prevent Liqud Glass from stretching when elements with the glassEffect are dragged?
When making an element with .glassEffect(.clear.interactive()) draggable, it stretches as it moves. It seems like it's meant to stretch as you move your finger away from the element, but it doesn't make sense if the element is following your finger as you drag it. Is this a bug, or is there a way to disable this behavior without removing the other "interactive" animations? P.S. The shiny border around the elements seems to be a rounded rectangle or capsule, but the actual element's shape seems to be stretched. That also appears to be a bug.
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94
Activity
Feb ’26
Trouble installing Xcode 23.0.1
I was having an issue with the new xcode and was forced to to go back to to Xcode 26.0.1. ( I need iOS simulators for mobile testing and as Developer I know is using this version with no problems). I've always install xcode from the app store with no issue so installing from Apple Dev was something new for me so So I did the following downloaded Xcode 26.0.1 Extracted it from Xzip added the extracted Xcode version to the applications folder click the Xcode icon Expected result I was expecting to see text i could install Xcode version Actual Result Xcode opened Asked me to create a project When project was created I saw Question. What did I do wrong? How do I fix it?
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Activity
Mar ’26
XCode15&XCode16获取屏幕宽高不同
iPhone16ProMax 通过[UIScreen mainScreen].bounds.size获取屏幕宽高 使用XCode15获取屏幕宽高为430 * 930 使用XCode16获取屏幕宽高为440 * 956 这是为什么?
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106
Activity
May ’25
Setting Required Capabilities for Foundation Models
Cross-posting this from https://developer.apple.com/forums/thread/795707 per ask from DTS Engineer: Is there any way to ensure iOS apps we develop using Foundation Models can only be purchasable/downloadable on App Store by folks with capable devices? I would've thought there would be a Required Capabilities that App Store would hook into for Apple Intelligence-capable devices, but I don't seem to see it in the documentation here: https://developer.apple.com/documentation/bundleresources/information-property-list/uirequireddevicecapabilities The closest seems to be iphone-performance-gaming-tier as that seems to target all M1 and above chips on iPhone & iPad. There is an ipad-minimum-performance-m1 that would more reasonably seem to ensure Foundation Models is likely available, but that doesn't help with iPhone. So far, it seems the only path would be to set Minimum Deployment to iOS 26 and add iphone-performance-gaming-tier as a required capability, but I'm a bit worried that capability might diverge in the future from what's Foundation Model / Apple Intelligence capable since we're really wanting the devices with Apple Neural Engine sufficient for Apple Intelligence features in the SDKs (like Foundaton Models, Image Playgrounds, Audio Transcription, etc.) While I understand for the majority of apps they'll want to just selectively add in Apple Intelligence features and so can be usable by folks whose devices don't support it, the app experience I'm building doesn't make sense without the Foundation Models being available and I'd rather not have a large number of users downloading the app to be told "Sorry, your device is not capable of Apple Intelligence and so can't use this app" I've created a Feedback Assistant ticket tracking the question/ask here: FB19366221
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117
Activity
Aug ’25
Liquid glass segment view freezes when dragging handle to a disabled segment
Setup: I have a segment view with 3 segments, and the last on (at index 2) is disabled. Issue: When I drag the liquid glass handle of the segment view from what was previously selected to the disabled segment, the liquid glass handle freezes mid-air. Workaround: I can still interact with the handle and manually restore its position, or tap on any other segment to restore its position. Notes: I'm using UIKit, and no extra customizations are applied. class ViewController: UIViewController { @IBOutlet weak var segmentView: UISegmentedControl! override func viewDidLoad() { super.viewDidLoad() segmentView.removeAllSegments() let segments = ["Option 1", "Option 2", "Option 3"] for (index, title) in segments.enumerated() { segmentView.insertSegment(withTitle: title, at: index, animated: false) } // Select the first one by default segmentView.selectedSegmentIndex = 0 // Disable the last segment segmentView.setEnabled(false, forSegmentAt: 2) } }
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Activity
Jan ’26
Unable to change codesign page size during xcodebuild export
We've noticed, that size of our ipa started to vary from time to time. We've found that all the difference was in the LC_CODE_SIGNATURE command under the _LINKEDIT segment of binary. The main reason of that change was the different number of hash slots due to different value of page size: 4096 on macOS SEQUOIA and 16384 on macOS TAHOE. So the size of the final binary was dependent on the machine, it was produced on. I didn't find out any information on why the default page size changed on TAHOE. Apple’s codesign supports a --pagesize argument. For regular builds that setting can be passed via OTHER_CODE_SIGN_FLAGS=--pagesize 16384. But it seems that xcodebuild export ...` completely ignores it: i've tried to pass invalid size (not the power of two), and the export still succeded. I've also managed to get xcodebuild logs via log stream --style compact --predicate 'process == "xcodebuild" OR process == "codesign"' --level trace They have no occurrences of --pagesize: 2026-03-24 13:43:27.236 Df xcodebuild[93993:a08c53] [IDEDistributionPipeline:verbose] invoking codesign: <NSConcreteTask: 0x8a1b21bd0; launchPath='/usr/bin/codesign', arguments='( "-f", "-s", 8C38C4A2CB0388A3DB6BAEFE438F20E044EE6CB2, "--entitlements", "/var/folders/w_/5t00sclx2vlcm4_fvly7wvh00000gn/T/XcodeDistPipeline.~~~T3Dcdf/entitlements~~~c2srXx", "--preserve-metadata=identifier,flags,runtime,launch-constraints,library-constraints", "--generate-entitlement-der", "--strip-disallowed-xattrs", "-vvv", "/var/folders/w_/5t00sclx2vlcm4_fvly7wvh00000gn/T/XcodeDistPipeline.~~~T3Dcdf/Root/Payload/App.app/Frameworks/FLEXWrapper.framework" )'> So here I have some questions: How is the default page size selected? Why the default page size may change between SEQUOIA and TAHOE? How to provide page size to xcodebuild's export or it's a bug that it doesn't look at the value of OTHER_CODE_SIGN_FLAGS?
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Activity
1w
iOS 26 - Touch in context menu preview not working anymore
Hello, I am testing an existing app on iOS 26. It hast an UITableViewController that shows a custom context menu preview using previewForHighlightingContextMenuWithConfiguration and providing an UITargetedPreview. Something along the lines like this (shortened): public override func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? { guard let indexPath = configuration.identifier as? NSIndexPath else { return nil } let previewTableViewCell = self.getCell(for: indexPath) var cellHeight = self.getCellHeight(for: indexPath, with: maxTextWidth) // Use the contentView of the UITableViewCell as a preview view let previewMessageView = previewTableViewCell.contentView previewMessageView.frame = CGRect(x: 0, y: 0, width: maxPreviewWidth, height: cellHeight) previewMessageView.layer.masksToBounds = true let accessoryView = ... let totalAccessoryFrameHeight = accessoryView.frame.maxY - cellHeight var containerView = UIView(frame: .init(x: 0, y: 0, width: Int(maxPreviewWidth), height: Int(cellHeight + totalAccessoryFrameHeight))) containerView.backgroundColor = .clear containerView.addSubview(previewMessageView) containerView.addSubview(accessoryView) // Create a preview target which allows us to have a transparent background let previewTarget = UIPreviewTarget(container: tableView, center: ...) let previewParameter = UIPreviewParameters() // Remove the background and the drop shadow from our custom preview view previewParameter.backgroundColor = .clear previewParameter.shadowPath = UIBezierPath() return UITargetedPreview(view: containerView, parameters: previewParameter, target: previewTarget) } On iOS 18 and below this works fine and buttons that are included in the accessoryView are tapable by the user. Now on iOS 26 the preview is shown correct (although it has a bit weird shadow animation), but tapping a button of the accessoryView now closes the context menu, without triggering the touchUpInside event anymore. For me it feels like an unintended change in behavior, but maybe I am missing something? Filed FB18644353
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Activity
Jul ’25
App rejection because of __SwiftValue
Hi, Our Flutter + Swift iOS app was rejected under Guideline 2.5.1 citing usage of a non-public API: Runner Classes: __SwiftValue From our analysis, __SwiftValue appears to be an internal Swift runtime type automatically generated by the Swift compiler for Swift–Objective-C bridging. It is not referenced in our source code or by any third-party frameworks and only appears in the compiled Runner binary. Has anyone encountered this rejection before? Is __SwiftValue considered a private API by App Review, or is this a known false positive? Are there any recommended build settings or mitigations to avoid this flag?
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104
Activity
Jan ’26
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; }
Topic: Safari & Web SubTopic: General Tags:
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Activity
Dec ’25
Is it technically possible to force-update ASM/MDM-distributed App Store apps via a custom update server?
Hello, I’d like to clarify the technical limitations around app updates in an Apple School Manager (ASM) + MDM environment. Environment • iOS/iPadOS devices supervised and managed via Apple School Manager • Apps are distributed via ASM (VPP / Custom App) and managed by MDM • Apps are App Store–signed (not Enterprise/In-House) • Some apps include NetworkExtension (VPN) functionality • Automatic app updates are enabled in MDM Question From a technical and platform-design perspective, is it possible to: Deploy app updates for ASM/MDM-distributed App Store apps via a separate/custom update server, and trigger updates simultaneously across all managed devices, bypassing or supplementing the App Store update mechanism? In other words: • Can an organization operate its own update server to push a new app version to all devices at once? • Or is App Store + iOS always the sole execution path for installing updated app binaries? ⸻ My current understanding (please correct if wrong) Based on Apple documentation, it seems that: 1. App Store–distributed apps cannot self-update • Apps cannot download and install new binaries or replace themselves. • All executable code must be Apple-signed and installed by the system. 2. MDM can manage distribution and enable auto-update, but: • MDM cannot reliably trigger an immediate update for App Store apps. • Actual download/install timing is decided by iOS (device locked, charging, Wi-Fi, etc.). 3. Custom update servers • May be used for policy decisions (minimum allowed version, feature blocking), • But cannot be used to distribute or install updated app binaries on iOS. 4. For ASM-managed devices: • The only supported update execution path is: App Store → iOS → Managed App Update • Any “forced update” behavior must be implemented at the app logic level, not the installation level. ⸻ What I’m trying to confirm • Is there any supported MDM command, API, or mechanism that allows: • Centralized, immediate, one-shot updates of App Store apps across all ASM-managed devices? • Or is the above limitation fundamental by design, meaning: • Organizations must rely on iOS’s periodic auto-update behavior • And enforce version compliance only via app-side logic? ⸻ Why this matters In large school deployments, delayed updates (due to device conditions or OS scheduling) can cause: • Version fragmentation • Inconsistent behavior across classrooms • Operational issues for VPN / security-related apps Understanding whether this limitation is absolute or if there is a recommended Apple-supported workaround would be extremely helpful. Thanks in advance for any clarification
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Activity
Jan ’26
Vision Framework VNTrackObjectRequest: Minimum Valid Bounding Box Size Causing Internal Error (Code=9)
I'm developing a tennis ball tracking feature using Vision Framework in Swift, specifically utilizing VNDetectedObjectObservation and VNTrackObjectRequest. Occasionally (but not always), I receive the following runtime error: Failed to perform SequenceRequest: Error Domain=com.apple.Vision Code=9 "Internal error: unexpected tracked object bounding box size" UserInfo={NSLocalizedDescription=Internal error: unexpected tracked object bounding box size} From my investigation, I suspect the issue arises when the bounding box from the initial observation (VNDetectedObjectObservation) is too small. However, Apple's documentation doesn't clearly define the minimum bounding box size that's considered valid by VNTrackObjectRequest. Could someone clarify: What is the minimum acceptable bounding box width and height (normalized) that Vision Framework's VNTrackObjectRequest expects? Is there any recommended practice or official guidance for bounding box size validation before creating a tracking request? This information would be extremely helpful to reliably avoid this internal error. Thank you!
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Apr ’25
Is testing of Age Range API available in xcode simulator?
From https://developer.apple.com/forums/thread/803945?answerId=862153022#862153022, the testing of Age Range API was not available through xcode simulator back in Oct 2025. Is this available now? In particular: Is requestAgeRange testing available through simulator? Is requestAgeRange testing with sandbox account available through simulator? Is isEligibleForAgeFeatures available through simulator? Is isEligibleForAgeFeatures testing with sandbox account available through simulator? If the answer is "yes" to any of the above, which version of the xcode and ios version should I use? So far I didn't get any of the above working on the simulator, and I can't find any documentation on the answers above. Thank you!
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Activity
Dec ’25
VoiceOver Headings Accessibility Rotor with SwiftUI on iOS
Hi, On iOS, I'd like to mark views that are inside a LazyVStack as headers for VoiceOver (make them appear in the headings rotor). In a VStack, you just have add .accessibilityAddTraits(.isHeader) to your header view. However, if your view is in a LazyVStack, that won't work if the view is not visible. As its name implies, LazyVStack is lazy so that makes sense. There is very little information online about system rotors, but it seems you are supposed to use .accessibilityRotor() with the headings system rotor (.accessibilityRotor(.headings)) outside of the LazyVStack. Something like the following. .accessibilityRotor(.headings) { ForEach(entries) { entry in // entry.id must be the same as the id of the SwiftUI view it is about AccessibilityRotorEntry(entry.name, id: entry.id) } } It kinds of work, but only kind of. When using .accessibilityAddTraits(.isHeader) in a VStack, the view is in the headings rotor as soon as you change screen. However, when using .accessibilityRotor(.headings), the headers (headings?) are not in the headings rotor at the time the screen appears. You have to move the accessibility focus inside the screen before your headers show up. I'm a beginner in regards to VoiceOver, so I don't know how a blind user used to VoiceOver would perceive this, but it feels to me that having to move the focus before the headers are in the headings rotor would mean some users would miss them. So my question is: is there a way to have headers inside a LazyVStack (and are not necessarily visible at first) to be in the headings rotor as soon as the screen appears? (be it using .accessibilityRotor(.headings) or anything else) The "SwiftUI Accessibility: Beyond the basics" talk from WWDC 2021 mentions custom rotors, not system rotors, but that should be close enough. It mentions that for accessibilityRotor to work properly it has to be applied on an accessibility container, so just in case I tried to move my .accessibilityRotor(.headings) to multiple places, with and without the accessibilityElement(children: .contain) modifier, but that did not seem to change the behavior (and I could not understand why accessibilityRotor could not automatically make the view it is applied on an accessibility container if needed). Also, a related question: when using .accessibilityRotor(.headings) on a screen, is it fine to mix uses of .accessibilityRotor(.headings) and .accessibilityRotor(.headings)? In a screen with multiple type of contents (something like ScrollView { VStack { MyHeader(); LazyVStack { /* some content */ }; LazyVStack { /* something else */ } } }), having to declare all headers in one place would make code reusability harder. Thanks
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113
Activity
Jun ’25