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Reply to Change tint of back button in UINavigationItem on iOS 26
Hello psco, For further investigation of this issue, could you please file a bug report? Feel free to copy over the same information you've provided from this thread to it. Please see this guide for more information: Bug Reporting: How and Why? With a bug report in Feedback Assistant, you'll be able to track the status of the issue directly. You can also add attachments such as sample code and documentation of the issue (screenshots, videos, etc.). I'll make sure it gets to the relevant engineering team. Please don't forget to include the iOS version and device information in the report. Once you open the bug report, please post the FB number here for my reference. Thank you for your patience, Richard Yeh  Developer Technical Support
Topic: UI Frameworks SubTopic: UIKit Tags:
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Reply to NSFileSandboxingRequestRelatedItemExtension: Failed to issue extension
The files, both user-selected and sidecar, reside in a folder inside my user’s document folder, and I try to read the sidecar when the user opens the audio file. OK. SO, one thing I would test here is what happens if you test the same code with files that are in a directory outside of the normal user hierarchy. You can try with a directory inside your home directory, but I actually suggest using a folder ENTIRELY outside the user hierarchy— for example, on a disk image or an external volume. The issue here is that macOS has multiple independent systems of data protection, most of which are focused on user data (like the contents of ~/Documents/). Moving outside of that hierarchy means you’re looking at the basic case, which is easier to evaluate. Looking at the other cases here: I can access the sidecar file from the terminal and load its content. FYI, Terminal.app is a tricky tool to test an experiment with. The issues here are: It's not sandboxed, which exempts it from th
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to Invoking app clip, that was installed from TestFlight, from a different app.
Hi, Thank you for the reply, here is more information: This AASA file is already running for many years. it's at&t AASA file, it can be found here: https://www.att.com/.well-known/apple-app-site-association I recently added the appclip section: appclips: { apps: [7QP83HJ33U.com.att.numverify.clip] } and a universal link addition (which works fine, the only problem is launching the app clip via URL in notes app): { appID: 7QP83HJ33U.com.att.numverify, components: [ { /: /numverify/appclip/* } ] } According to https://app-site-association.cdn-apple.com/a/v1/www.att.com) it is already updated in Apple CDN. I have reinstalled the app clip multiple times since then. Here is what I found in swcutils_show.txt file that is related to the app clip: Service: appclips App ID: 7QP83HJ33U.com.att.numverify.clip App Version: 2.0 App PI: { v = 0, t = 0x8, u = 0x914, db = 22E62DAB-9CF1-485C-A697-006229CE874E, {length = 8, bytes = 0x1409000000000000} } Domain: ***wwwdotattdotcom was written her
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Reply to DriverKit Dext fails to load with "Exec format error" (POSIX 8) on macOS 26.2 (Apple Silicon) when SIP is enabled
FYI, things work better if you just reply to the thread instead of using comments. Honestly, the comment feature doesn’t really work. First, let me start with the error messages you posted: Thank you. Yesterday, I accidentally removed arm64e from the compilation architecture and kept only x86_64 and arm64 architectures. The problem of Domain=NSPOSIXErrorDomain Code=8 Exec format error was solved. One thing you need to be careful about when looking at our log messages is focusing too much on the EXACT error code/detail instead of the overall flow. Looking at this message as an example: KernelManagerd: Error Domain=NSPOSIXErrorDomain Code=8 Exec format error This format structure: Error Domain= Code= ...is a common structure used by NSError to describe error codes from lower level subsystems. In this case, it's saying this was a POSIX error code, meaning error code 8 from the ERRNO range, or ENOEXEC. The string Exec format error is actually the generic POSIX error string description returned by perror(). All
Topic: App & System Services SubTopic: Drivers Tags:
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Reply to Invoking app clip, that was installed from TestFlight, from a different app.
@Dardikman I have an app clip installed via TestFlight. My AASA file is configured correctly (per 'Domain Status' in TestFlight). I want to be able to run the app clip flow (app clip card showing and app clip card launched) by invoking UIApplication.shared.open(url) from a different app, or by pressing the URL from notes app. Launching the App Clip experiences you configure for testing through the TestFlight app doesn't show an App Clip card. To view the App Clip card, register a local experience on your test device. For more information, see Test invocations with a local experience and Create App Clip experiences for testers in TestFlight. To launch your App Clip from another app, see Launching another app’s App Clip from your app.
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Reply to iOS 26.2 RC DeviceActivityMonitor.eventDidReachThreshold regression?
@nemecek_f This is a known issue that is currently being investigated. If you have already filed a bug report for this issue, thank you. If you have not filed a bug report for this issue we encourage you to do so via Feedback Assistant (https://feedbackassistant.apple.com). For more information on Feedback Assistant, please visit https://developer.apple.com/bug-reporting. By filing a bug report, you’ll be able to track the issue, update Apple Engineering with additional information, and get notified of problem resolution
Topic: App & System Services SubTopic: General Tags:
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Reply to Invoking app clip, that was installed from TestFlight, from a different app.
Thanks for the post. I would like to ask you more information about the AASA file and where is stored as well as when the app is installed in your device is when the AASA file gets downloaded and installed/registered. You can go over the troubleshooting guide and get the logs from the swcutil.txt file inside the sysdiagnose wil give you the information. Please check the Tech Note at TN3155: Debugging universal links | Apple Developer Documentation#Debug-through-sysdiagnose While the AASA file verification in TestFlight confirms your entitlement to handle App Clip URLs, the system might not always behave identically to a production-released app clip, please test with the Notes app. Ensure that your AASA file is correctly configured for your App Clip and can be found when calling https:///.well-known/apple-app-site-association in all your tests (you said this is working OK). The AASA file tells iOS which URL paths are associated with your app clip. iOS does
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Appkit without storyboards XCode 26.2
I’m running macOS 15.7 with Xcode 26.2, and I’m trying to learn the basics of AppKit. I’m fully aware that AppKit is considered a legacy / “old” technology and that Apple clearly does not promote it out of the box anymore. This is especially visible in recent versions of Xcode, where you can no longer create a macOS App template without Storyboards or SwiftUI. That said, AppKit is still widely used under the hood, so I think it’s reasonable to at least understand its fundamentals. Here’s the problem I’m facing. I create a standard macOS App project using the Xcode template (AppKit App Delegate). Then I: delete Main.storyboard remove all storyboard references from Info.plist try to create the window manually in applicationDidFinishLaunching At this point, the project builds, but the app either: does not show any window, or behaves as if it were not a proper GUI app While debugging, it looks like Xcode / Swift is treating my target more like a dylib / wrapper than a normal .app bundle (at least judging by runti
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WebView Exit fullscreen issue on iPadOS
This demonstrates an issue with SwiftUI's WebView on iPadOS. To repro, testing on iPad Simulator OS 26.2, macOS 26.2, Xcode 26.2. Download and unzip this project: https://drive.google.com/file/d/1z3MobjDf_RvvOtriXtinXvrJ7rGHwZRs/view?usp=share_link Set up Signing and Run the swiftui-webview App target on simulator (I'm using iPad Pro 13-inch (M5 simulator) Tap/click the fullscreen [ ] button in the bottom left corner of the webpage. Tap/click the 'X' button in the top left, to exit fullscreen. Result: The WebView exits fullscreen, but there is no content loaded, just a white background. It's also now not possible to visit other URLs - the WebView appears to be unresponsive and not repaint. This does not appear to affect macOS 26.2, just iPadOS.
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filecopy fails with errno 34 "Result too large" when copying from NAS
A user of my app reported that when my app copies files from a QNAP NAS to a folder on their Mac, they get the error Result too large. When copying the same files from the Desktop, it works. I asked them to reproduce the issue with the sample code below and they confirmed that it reproduces. They contacted QNAP for support who in turn contacted me saying that they are not sure they can do anything about it, and asking if Apple can help. Both the app user and QNAP are willing to help, but at this point I'm also unsure how to proceed. Can someone at Apple say anything about this? Is this something QNAP should solve, or is this a bug in macOS? P.S.: I've had users in the past who reported the same issue with other brands, mostly Synology. import Cocoa @main class AppDelegate: NSObject, NSApplicationDelegate { func applicationDidFinishLaunching(_ aNotification: Notification) { let openPanel = NSOpenPanel() openPanel.canChooseDirectories = true openPanel.runModal() let source = openPanel.urls[0]
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Reply to NetworkExtension framework problems
[quote='874018022, Retouch, /thread/813562?answerId=874018022#874018022, /profile/Retouch'] The error … is just a symptom. [/quote] Right. But: We’re not 100% sure whether it’s a symptom of a bug in your code or a bug in the OS. Even if it’s the latter, the proximity of this error to that failure is useful diagnostic point. My suggestions above should allow you to rule out this being a bug in your code — or at least an ‘obvious’ bug — and generate diagnostic information that will be useful for Apple’s network engineering team to investigate. Now, if you want to file a bug about this now, that’s cool. However, my experience is that weird networking bugs get more traction if you: Provide clear evidence that the issue originates in the system, as opposed to your code. Include a sysdiagnose log with NE logging enabled. Note If you do file a bug, please post the bug number, just for the record. [quote='874018022, Retouch, /thread/813562?answerId=874018022#874018022, /profile/Retouch'] My concern
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Invoking app clip, that was installed from TestFlight, from a different app.
I have an app clip installed via TestFlight. My AASA file is configured correctly (per 'Domain Status' in TestFlight). I want to be able to run the app clip flow (app clip card showing and app clip card launched) by invoking UIApplication.shared.open(url) from a different app, or by pressing the URL from notes app. This doesn't seem to work. The only thing I am able to do is run the flow when scanning a proper QR code after configuring Local Experience with the matching parameters. But as stated above, the flow will not work when invoking the URL from a different app. Is the proper way to fix this is to define an HTML page for that URL path that contain the element with app-clip-bundle-id attribute that will match the Local Experience configuration? Is there another way to make this flow work with TestFlight releases? what are my options?
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