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Reply to Finder tag colors and folder icons become gray for iCloud Drive items (URLResourceValues / xattr / QLThumbnailGenerator)
I can reproduce with my own code that moving a folder tagged with a color to iCloud Drive indeed changes the value of the .labelColorKey and .labelNumberKey resources, which is a surprise to me. .tagNamesKey returns the right value though. Do you have a feedback report yet? If not, would you mind to file one and share your report ID here? Best, —— Ziqiao Chen  Worldwide Developer Relations.
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Reply to System Panic with IOUserSCSIParallelInterfaceController during Dispatch Queue Configuration
First off, I want to start with a clarification here: We are in a logical deadlock. The kernel dispatches a probe command before UserCreateTargetForID returns, and both of our methods for handling this command result in a permanent hang of the registration process: Calling UserCreateTargetForID means please create the storage stack for this target. Returning from it means I've finished creating the storage stack for this target. I'm not sure how far up the stack you'll actually get, but it's conceivable that we'd get all the way through partition map interpretation and (possibly) volume format detection BEFORE UserCreateTargetForID returns. You're basically guaranteed to get I/O request before UserCreateTargetForID returns. [1] I think the upper levels of the SAM stack prevent this by returning from state before calling registerForService on their IOStorage family nubs, but there's no technical reason why they'd HAVE to work this way. That leads to here: We mark the target as Ready during the UserInitializeTa
Topic: App & System Services SubTopic: Drivers Tags:
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System Panic with IOUserSCSIParallelInterfaceController during Dispatch Queue Configuration
Hello everyone, We are in the process of migrating a high-performance storage KEXT to DriverKit. During our initial validation phase, we noticed a performance gap between the DEXT and the KEXT, which prompted us to try and optimize our I/O handling process. Background and Motivation: Our test hardware is a RAID 0 array of two HDDs. According to AJA System Test, our legacy KEXT achieves a write speed of about 645 MB/s on this hardware, whereas the new DEXT reaches about 565 MB/s. We suspect the primary reason for this performance gap might be that the DEXT, by default, uses a serial work-loop to submit I/O commands, which fails to fully leverage the parallelism of the hardware array. Therefore, to eliminate this bottleneck and improve performance, we configured a dedicated parallel dispatch queue (MyParallelIOQueue) for the UserProcessParallelTask method. However, during our implementation attempt, we encountered a critical issue that caused a system-wide crash. The Operation Causing the Panic: We configured M
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Reply to Sample code not working as expected: Implementing SharePlay for immersive spaces in visionOS
hi @sopmac , I just downloaded and tested the sample and can see the cube's color updating for me & another person. My steps: Sign and run the sample (please make sure your developer team has the group activities capability) press start shareplay -> choose a nearby person aligned views tapped on the cube & we both saw it update Could you please either file a feedback report with all of the details or provide your steps and any updates you made to the sample here? Thank you! note: one other thing is that if both people that are signing it don't have the same team, SharePlay may not work. This isn't an issue in a production app, but if both people download the sample and sign it with different teams, there's a chance that you get an alert that you don't have the same bundle ID so you can't start a SharePlay session.
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Reply to Full Body Tracking
Hey @Stefko, There's no supported way to perform feet tracking with the APIs currently available. If you'd like us to consider adding the necessary functionality, please file an enhancement request using Feedback Assistant. Please include as much information as your use case as you can to help us understand your needs. Once you file the request, please post the FB number here. If you're not familiar with how to file enhancement requests, take a look at Bug Reporting: How and Why? Thanks, Michael
Topic: Spatial Computing SubTopic: ARKit Tags:
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Reply to Swipe to go back still broken with Zoom navigation transition.
Also confirmed this is still broken in iOS 26.3 (23D127). My feedback is FB21078443 filed Nov 2025. If anyone can’t repro it, here’s a minimal example. Tap a color, then swipe back from the left edge—the source view will disappear after the transition. Easier to repro on physical device, but also possible in sim with a solid swipe. import SwiftUI struct ContentView: View { @Namespace private var namespace private let colors: [Color] = [.red, .blue] var body: some View { NavigationStack { VStack(spacing: 16) { ForEach(colors.indices, id: .self) { index in NavigationLink(value: index) { RoundedRectangle(cornerRadius: 16) .fill(colors[index]) .frame(maxWidth: .infinity, minHeight: 200, maxHeight: 200) .matchedTransitionSource(id: index, in: namespace) } .buttonStyle(.plain) } } .padding(20) .navigationTitle(Zoom Transition Issue) .navigationSubtitle(Tap card, then swipe back from left edge) .navigationDestination(for: Int.self) { index in Rectangle() .fill(colors[index]) .ignoresSafeArea() .navigationTr
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Source view disappearing when interrupting a zoom navigation transition
When I use the .zoom transition in a navigation stack, I get a glitch when interrupting the animation by swiping back before it completes. When doing this, the source view disappears. I can still tap it to trigger the navigation again, but its not visible on screen. This seems to be a regression in iOS 26, as it works as expected when testing on iOS 18. Has someone else seen this issue and found a workaround? Is it possible to disable interrupting the transition? Filed a feedback on the issue FB19601591 Screen recording: https://share.icloud.com/photos/04cio3fEcbR6u64PAgxuS2CLQ Example code @State var showDetail = false @Namespace var namespace var body: some View { NavigationStack { ScrollView { showDetailButton } .navigationTitle(Title) .navigationBarTitleDisplayMode(.inline) .navigationDestination(isPresented: $showDetail) { Text(Detail) .navigationTransition(.zoom(sourceID: zoom, in: namespace)) } } } var showDetailButton: some View { Button { showDetail = true } label: { Text(Show detail) .paddi
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to UIApplication.canOpenURL not working without Safari
Reproducing the issue is easy. Just copy the code from the initial description in a project and launch it on any iOS 26.2+ device after deleting Safari from it. It is not possible to delete Safari from any simulator. I think this issue has nothing to do with my app universal links. I don't know what disabling the link and checking swctutils file means...
Topic: UI Frameworks SubTopic: UIKit
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Reply to UIApplication.canOpenURL not working without Safari
Hello Albert, This is reproducible in the iOS 26.2 & iOS 26.3 official releases, not beta versions. So this seems to be an iOS 26.x bug that I can't seem to be mentioned anywhere. The links I'm talking about are both regular, simple links (think https://www.apple.com/apple-events/), the kind that would instantly open in the default browser, as well as universal links, none of them open. No external links seem to open using UIApplication.shared.open(url, options:) when Safari has been removed. If its eases communication, I already filed a feedback ticket FB21867922. I'll link to the app in the ticket there.
Topic: UI Frameworks SubTopic: UIKit
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ASWebAuthenticationSessionWebBrowserSessionHandling begin callback not called for custom web handler app
I'm building a macOS app that registers itself for HTTP(S) url handling and would like it to participate in the ASWebAuthenticationSession fow. I did: update the plist to register as a handler for URL shemes (http, https, file) use NSWorkspace setDefaultApplication API to set this app as a default handler for urls in question wrote custom ASWebAuthenticationSessionWebBrowserSessionHandling implementation and set it as SessionManager's sessionHandler I launched this app from Xcode, then I triggered authentication flow from a third-party app. When the sign in flow is initiated, I can see that my app is activeated (willBecomeActive and didBecomeActive callbacks are both called), but there is no call for sessionHandler's begin() method. With some additional debugging I see that my app receives an apple event when the flow is started: {sfri,auth target=SafariLaunchAgent {qntp=90/$627......},aapd=TRUE If I switch system default browser back to Safari and then start the login flow, it correctly displays a s
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Reply to Collecting OSLog logs from network extensions
[quote='815354021, JacobHearst, /thread/815354, /profile/JacobHearst'] OSLogStore … it only collects logs for the current process [/quote] Correct, at least on everything except the Mac. I cover this and many other logging topics in Your Friend the System Log. There isn’t truly a happy path here. When it comes to NE debugging, you need to see the full system log and there are no APIs on iOS that’ll let you get that. Oh, one last thing. If you’re goal is to work with Apple to help debug a problem, you can ask your user to file a bug in Feedback Assistant. That’ll attach a sysdiagnose log to the bug report. You won’t be able to see the sysdiagnose log, but if you pass the Apple folks that bug number they should be able to get it. I talk more about this idea in Using a Sysdiagnose Log to Debug a Hard-to-Reproduce Problem. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: App & System Services SubTopic: Core OS Tags:
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Title: Developer ID + DNS Proxy system extension: profile mismatch for `com.apple.developer.networking.networkextension`
I’m building a macOS app with a DNS Proxy system extension for Developer ID + notarization, deployed via MDM, and Xcode fails the Developer ID Release build with a provisioning profile mismatch for com.apple.developer.networking.networkextension. Environment macOS: Sequoia (15.7.2) Xcode: 26.2 Distribution: Developer ID + notarization, deployed via MDM Host bundle ID: com.mydns.agent.MyDNSMacProxy DNS Proxy system extension bundle ID: com.mydns.agent.MyDNSMacProxy.dnsProxy Host entitlements (Release): File: MyDNSMacProxy/MyDNSMacProxyRelease.entitlements: http://www.apple.com/DTDs/PropertyList-1.0.dtd> com.apple.application-identifier B234657989.com.mydns.agent.MyDNSMacProxy com.apple.developer.networking.networkextension dns-proxy com.apple.developer.system-extension.install com.apple.developer.team-identifier B234657989 com.apple.security.app-sandbox com.apple.security.application-groups group.com.mydns.MyDNSmac keychain-access-groups B234657989.* xcodebuild -showBuildSettings -schem
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Apple Intelligence cant change Xcode build target...?!
› It is reasonable to assume Xcode AI integration means AI being able to change the build target... “Why can Xcode Intelligence see source files but not .xcodeproj/project.pbxproj for direct edit?” “Is this a known limitation/bug in Xcode 26.3 RC Project Context or MCP Xcode Tools?” “Any required entitlement/setting beyond Intelligence > Xcode Tools for build-setting edits?”
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