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Reply to Degraded RoomPlan performance
@Vision Pro Engineer Thanks for the reply, Michael Is the following based off what you've heard or do you have videos and files that show the behavior? Mostly based off user testimonial. I think we have recorded a couple instances of this during onboarding sessions, but in those cases, we suspected that screen sharing itself could be contributing to the issue. Do you have any logging in place that is capturing any RoomCaptureSession.CaptureError errors in production? Yes - we track all fatal scanning errors. We haven't noticed an uptick in those. It seems like another developer was able to improve performance by resolving a memory leak. Have you profiled the application when performing multiple scans in a row? We have done some profiling over the years, but it's difficult because the act of profiling itself severely degrades scanning performance. We have noticed that RoomPlan itself seems to cache/retain resources after scanning even if we have no active references to it. I believe we reproduced this
Topic: Spatial Computing SubTopic: General Tags:
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In need of a sample receipt file that uses the SHA-256 hash
My app that's been around since the dawn of the Mac App Store, and which uses its own receipt validation code for 15 years now, recently sometimes triggers a does not support the latest receipt validation requirements error message with my app's users. But I cannot reproduce it, even if I freshly install the app on a M4 Mac running macOS 26.2. So I have a hard time testing my fix. Does someone have a sample receipt file they could share with me (including the MAC from en0 / GUID device ID), or do you know where I can find one that uses the new SHA-256 hash? In fact - when reading https://developer.apple.com/documentation/appstorereceipts/validating-receipts-on-the-device it seems that there's only a SHA-1 after all. So why do some users get the receipt validation requirements message at all? I'm only reading the receipt, decoding the ASN.1 fields and then validate the hash from the receipt (field 5) against the SHA-1 from the GUID+receipt, as always, calling libCrypto's SHA1() function. So, what woul
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SwiftData CloudKit sync broken on iOS 26
Hi everyone, I’m running into a breaking issue with SwiftData automatic CloudKit syncing on iOS 26, and I'm trying to determine if this is a known regression or a new configuration requirement I missed. The Setup: My setup is extremely standard; I am using the default configuration exactly as described in Apple's documentation here: https://developer.apple.com/documentation/swiftdata/syncing-model-data-across-a-persons-devices The schema is very simple: A single @Model class. No relationships. The Issue: Prior to iOS 26, this exact app was successfully syncing data between devices and to iCloud without issues. Immediately after the iOS 26 update, syncing stopped completely. I haven't changed any code, but when I check the CloudKit Console, I am seeing some BAD_REQUEST errors during sync attempts. Since I am using the default SwiftData sync (and not manual CKRecord handling), I’m not sure how my client code could be triggering a bad request unless the schema requirements have changed under the hood. Q
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SwiftUI navigationTransition(.zoom) glitches during interactive swipe-back
Hi everyone 👋 I’m fairly new to iOS development and I’ve been stuck on a SwiftUI issue for a while now, so I’m hoping someone here can spot what I’m doing wrong. I’m using navigationTransition(.zoom) together with matchedTransitionSource to animate navigation between views. The UI consists of a grid of items (currently a LazyVGrid, though the issue seems unrelated to laziness). Tapping an item zooms it into its detail view, which is structurally the same view type and can contain further items. All good expect that interactive swipe-back sometimes causes the item to disappear from the grid once the parent view is revealed. This only happens when dismissing via the drag gesture; it does not occur when using the back button. I’ve attached a short demo showing the issue and the Swift file containing the relevant view code. Is there something obvious I’m doing wrong with navigationTransition / matchedTransitionSource, or is this a known limitation or bug with interactive swipe-back? Thanks in advance. i
Topic: UI Frameworks SubTopic: SwiftUI
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Reply to Icon composer icon contains alpha channel upload error
I am also running into this error. (Jan 2026) Xcode v26.2. Icon Composer 1.2 (76) Looking at the release notes above, the issue has not been resolved. Error message I get: Invalid large app icon. The app icon in the asset catalog -app name- can't be transparent or contain an alpha channel. My two cents, it might be due to the automated compiler for the apple App Store distribution SDK they use to review apps quickly before it goes to a real person. This might be due to the new Liquid Glass UX/UI update. I was really excited to try it, but until it gets fixed, I don't think we will get app icons being Liquid Glass anytime soon. Might be due to the fact that, I have the lowest version of iOS 17, which might not recognize it yet. I wonder if it is only for iOS 26 uploads? no idea.
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Request: Implement beforeinstallprompt event for PWA installation prompts in Safari
I'm building a progressive web app (PWA) and came to the conclusion that almost nobody knows that this feature exists - Add to Home Screen. Not many people even understand what a PWA is or that you can add it to the home screen. This feels unnatural compared to installing an app from a store. Why do we make it so hard for users? Could we not make this easier by having the ability to call this installation or show an install notification? Right now, when users visit a PWA on iOS, there's no way for developers to let them know they can install it. The Add to Home Screen option is tucked away in the Share menu, and most users never find it. I'd really like to be able to show them a friendly prompt. Comparing to other browsers, this is possible via the beforeinstallprompt event. This would make a huge difference for user experience. Right now the only way is to show iOS users a separate set of instructions with screenshots, which feels clunky compared to what's possible on other platfor
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SwiftData with CloudKit Sync Issue
I am using SwiftData with CloudKit to synchronize data across multiple devices, and I have encountered an issue: occasionally, abnormal sync behavior occurs between two devices (it does not happen 100% of the time—only some users have reported this problem). It seems as if synchronization between the two devices completely stops; no matter what operations are performed on one end, the other end shows no response. After investigating, I suspect the issue might be caused by both devices simultaneously modifying the same field, which could lead to CloudKit's logic being unable to handle such conflicts and causing the sync to stall. Are there any methods to avoid or resolve this situation? Of course, I’m not entirely sure if this is the root cause. Has anyone encountered a similar issue?
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Custom icons for folder aliases not showing
Problem: custom icons for folder aliases not showing System drive and external drive custom alias folder icons don't showup on desktop or external drive (OS14.6 Sonoma 2023); they only show-up as plain folders or with an odd document icon. Alias doesn't connect to image; however it's there, easily accessible via spacebar. Finder doesn't save the custom icon to the alias. See below for workaround. Summary: I have custom alias icons on my desktop linking to their source files on the system drive and external drive.. however they do not display the custom icon. After upgrading from OS10.14 Mojave to OS14.6 Sonoma 2023, system drive & external drive custom alias icons no longer display the icon on either drive (there is a work-around for Mojave; see history section). Personal impact: hampered file navigation and workflow; I'm lost, can't tell where anything is; not having my icons makes it especially difficult to navigate my files and hampers my workflow significantly. Desired outcome: all c
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Reply to Tahoe not displaying new icon made with Icon Composer
The developer documentation for Icon Composer: Add your Icon Composer file to an Xcode project If you create your Icon Composer file outside of Xcode, you can add it to your Xcode project anytime to view your icon in Simulator and on real devices. Just drag the Icon Composer file from Finder to the Project navigator, and Xcode provides feedback on where to drop it in a target folder. No, it doesn’t - it asks how to add it and it adds it at the top level of the navigator but it won’t change how OS 26 displays your app icon in the finder. Alternatively, choose Add Files from the Add button at the bottom of the Project navigator and select your Icon Composer file in the dialog that appears. It asks how to add it and it adds it at the top level of the project but it won’t change how OS 26 displays your app icon in the finder. In the project editor, select the target and the General tab. Under App Icons and Launch Screen, ensure that the name in the App Icon text field matches the name of the Icon Composer file wi
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Reply to iOS 26.2 RC DeviceActivityMonitor.eventDidReachThreshold regression?
Update: Found a possible reproduction pattern correlated with plugging the device into power. Reproduced again on a device with no other Screen Time/blocker apps installed besides my own. Attached a second sysdiagnose in my feedback: FB21450954. Observed behavior: DeviceActivityMonitor.eventDidReachThreshold fires even though iOS Screen Time shows 0 minutes for the selected app that day (verified in Settings > Screen Time), and my extension applies ManagedSettings shielding immediately after the callback. Possible repro pattern: iOS 26.2 (23C55). Daily schedule 00:00–23:59. Do not open the selected app(s); leave device idle/locked for hours (0 usage). Plug the device into power while it remains locked/idle. Within minutes, eventDidReachThreshold fires despite 0 Screen Time minutes.
Topic: App & System Services SubTopic: General Tags:
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Reply to iOS 26.2 (23C55): DeviceActivity eventDidReachThreshold fires with 0 Screen Time minutes
Update: Found a possible reproduction pattern correlated with plugging the device into power. Reproduced again on a device with no other Screen Time/blocker apps installed besides my own. Attached a second sysdiagnose in my feedback: FB21450954. Observed behavior: DeviceActivityMonitor.eventDidReachThreshold fires even though iOS Screen Time shows 0 minutes for the selected app that day (verified in Settings > Screen Time), and my extension applies ManagedSettings shielding immediately after the callback. Possible repro pattern: iOS 26.2 (23C55). Daily schedule 00:00–23:59. Threshold: 30 minutes. Selected app: NHL. Do not open the selected app(s); leave device idle/locked for hours (0 usage). Plug the device into power while it remains locked/idle. Within minutes, eventDidReachThreshold fires despite 0 Screen Time minutes. Related thread that seems similar: https://developer.apple.com/forums/thread/809410
Topic: App & System Services SubTopic: General Tags:
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Severe Delay When Tapping TextField/Searchable on iOS 18 (Real Device) — XPC “Reporter Disconnected” Loop Until Keyboard Appears
I’m running Xcode 26.1.1 (17B100) with deployment target iOS 18.0+, and I’m seeing a consistent and reproducible issue on real devices (iPhone 13 Pro, iPhone 15 Pro): Problem The first time the user taps into a TextField or a SwiftUI .searchable field after app launch, the app freezes for 30–45 seconds before the keyboard appears. During the freeze, the device console floods with: XPC connection interrupted Reporter disconnected. { function=sendMessage, reporterID=XXXXXXXXXXXX } -[RTIInputSystemClient remoteTextInputSessionWithID:performInputOperation:] perform input operation requires a valid sessionID. inputModality = Keyboard customInfoType = UIEmojiSearchOperations After the keyboard finally appears once, the issue never happens again until the app is force-quit. This occurs on device Reproduction Steps Minimal reproducible setup: Create a new SwiftUI app. Add a single TextField or .searchable modifier. Install Firebase (Firestore or Analytics is enough). Build and run on device. Tap the
Topic: UI Frameworks SubTopic: SwiftUI
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