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A Summary of the WWDC25 Group Lab

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how to change the textfield background on click focused
i am using this code but no works @FocusState private var focus: FormFieldFocus? let db = getDatabaseConnection() var body: some View { VStack { Group { Text(Item Num:).padding(1) TextField(Item Num, text: $intemNum) .textFieldStyle(.roundedBorder) .onSubmit {focus = .despTxt} .focused($focus, equals: .itemTxt) .background(focus ? Color.yellow.opacity(0.3) : Color.clear) .cornerRadius(10)
Topic: UI Frameworks SubTopic: SwiftUI
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Jul ’25
Reply to Xcode 26 XIB ignores difference between NSView frame and alignment rectangles
Posting this here as a summary for the three people left writing native macOS apps using AppKit, who might stumble here from a search. macOS 26 has brought us the yearly facelift that – as tradition – brings no break-through features or discernible improvement to usability (quite the opposite, this time around). This year’s diktat from Marketing has also brought a regression that affects how AppKit reconstructs and displays UIs in XIB/NIB files. (Haven't checked if this exists on UIKit too.) If you had carefully laid out your controls to be aligned without the assistance of auto-layout, reopening these files with Xcode 26 will show all controls to be misaligned. This same problem is sadly visible at runtime too. AppKit has removed the crucial distinction between frame rectangles and alignment rectangles. You would be spared from this problem only if your controls were participating in auto-layout by having at least one constraint, or by calling -[NSView setTranslatesAutoresizingMaskIntoConstraints:YE
Topic: Developer Tools & Services SubTopic: Xcode Tags:
Jul ’25
Reply to NavigationStack $path cleared on dealloc?
I went to a WWDC25 SwiftUI Lab regarding this issue. The suggested known workaround was to wrap the 2nd property change in a DispatchQueue.main.async call so that it happens on the next turn of the run loop. You can see my change here: https://github.com/bolsinga/site/pull/1024
Topic: UI Frameworks SubTopic: SwiftUI
Jul ’25
iOS 26 Beta breaks scroll/gesture in SwiftUI chat (worked in iOS 18): Simultaneous gestures & ScrollViewReader issues
Hi all, After upgrading to the iOS 26 beta, the scrolling in my SwiftUI chat view is completely broken. The exact same code works perfectly on iOS 18. Context: I have a chat view using ScrollViewReader and a vertically-reversed ScrollView (with .rotationEffect(.degrees(180))). Each message row (MessageBubble) uses multiple simultaneousGesture handlers: Horizontal drag for swipe-to-reply (and other actions: pin, delete) Long press for showing popover/actions Vertical scroll for normal chat scrolling This was working great on iOS 18. In iOS 26 beta, the vertical scroll is either completely disabled, jittery, or hijacked by the message row’s drag gestures, even though .simultaneousGesture is used (see code below). Minimal Repro Sample MessageListView.swift swift Copy Edit ScrollViewReader { proxy in ScrollView(.vertical, showsIndicators: false) { LazyVStack(spacing: 0) { // ... grouped messages ForEach(...) { ... MessageBubble(...) // see below } Color.clear.frame(height: 8).id(BOTTOM_ANCHOR) } .padding
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Jul ’25
NSStatusItem Visibility Issue in AU Audio Plugin - Logic Pro vs Other Hosts
Target: MacOS 11.1 and above C++, Juce 8, XCode 16.2 Testing: Sonoma 14.5 Logic Pro (latest version), Reaper 7.34, Pro Tools 2023.12 and 2025.6 I'm developing an audio plugin that creates an NSStatusItem (menu bar status icon or MBSI for short) to provide visual feedback for one of the components. I've encountered a Logic Pro-specific behavior that I'd like to fix. I'm building for Mac-only, Intel and Silicon, and for AU/VST3/AAX. Summary: The NSStatusItem for the MBSI is created successfully and functions properly in some hosts (Reaper (AU and VST3), Pro Tools (AAX)) but isn't visible in Logic Pro, despite identical API behavior. Details: NSStatusItem Creation: implementation using [[NSStatusBar systemStatusBar] statusItemWithLength:NSSquareStatusItemLength] All API calls report success in both working (Reaper) and non-working (Logic Pro) hosts. Logging shows Logic Pro and Reaper create the NSStatusItem with the same properties: Window frame: {{0, -36}, {38, 36}} (both hosts) statusItem.visible: YES
Topic: Design SubTopic: General Tags:
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Jul ’25
Windows-specific timeout issue with URLSession in Swift (Error Code -1001)
Hello everyone, 👋🏼🤠 I've been struggling with a persistent issue for several weeks and would greatly appreciate any insights or suggestions from the community. ❗️Problem Summary We are sending JSON requests (~100 KB in size) via URLSession from a Swift app running on Windows. These requests consistently time out after a while. Specifically, we receive the following error: Error Domain=NSURLErrorDomain Code=-1001 (null) This only occurs on Windows – under macOS and Linux, the same requests work perfectly. 🔍 Details The server responds in under 5 seconds, and we have verified that the backend (a Vapor app in Kubernetes) is definitely not the bottleneck. The request always hits the timeout interval, no matter how high we configure it: 60, 120, 300, 600 seconds – the error remains the same. (timeoutForRequest) The request flow: Swift App (Windows) ---> HTTPS ---> Load Balancer (NGINX) ---> HTTP ---> Ingress Controller ---> Vapor App (Kubernetes) On the load balancer we see this error:
Topic: App & System Services SubTopic: Networking Tags:
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Jul ’25
Independent Technician from Chile Publishes Surgical Apple XR Restore Lab – POSIX Environment, Public Portfolio, Formal Apple Request
Hello engineers, technicians and Apple community, I'm an autodidact technician from Temuco, Chile. I have built a fully documented surgical Apple restore lab focused on extreme intervention and analysis for a disabled iPhone XR. The restoration was executed using POSIX infrastructure (MSYS2/UCRT64, WSL2, Hyper-V) with manual compilation of essential tools (libirecovery, img4tool, libimobiledevice). All scripting, bootchain traces and environment diagnostics have been published for public review. 🔧 GitHub repository (public): https://github.com/Robinson-bastias/apple-xr-surgical-lab 📄 PDF portfolio (attached): Apple_XR_Surgical_Portfolio.pdf I have submitted a formal technical request to Apple Developer Support with full rights, asking for community engagement and further access to devices for expanded research. My goal is to contribute surgical technical insight, empower autodidact technicians in underserved regions, and help strengthen Apple restoration transparency from the ground. All t
Topic: Community SubTopic: Apple Developers
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Jul ’25
Reply to Signing a daemon with the Endpoint Security entitlement
I’m not sure why you’re having problems with this. Lemme walk you through how I tested this today. You can review my steps to see if there’s anything obviously different. And if there isn’t, you can run through the steps yourself to see if you can repeat my experience. If so, you can then compare your primary daemon to your test daemon to see what’s different. So, here’s what I did: Using Xcode 16.4 on macOS 15.5, I created a new project from the macOS > App template. I set it up as a daemon per the advice in Signing a daemon with a restricted entitlement. Note that the details will differ a bit but the final result will be the same. Specifically, here’s my final structure: % find Test791996.app Test791996.app Test791996.app/Contents Test791996.app/Contents/_CodeSignature Test791996.app/Contents/_CodeSignature/CodeResources Test791996.app/Contents/MacOS Test791996.app/Contents/MacOS/Test791996 Test791996.app/Contents/embedded.provisionprofile Test791996.app/Contents/Info.plist Test791996.app/Contents/PkgIn
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’25
Reply to Help with Entitlements for Keychain Access
[quote='793977021, neil218, /thread/793977, /profile/neil218'] I attempted to codesign my native dynamic library (.dylib) with an entitlement [/quote] That won’t work. Entitlements are only relevant to a main executable. If you sign library code with an entitlement it is, at best, ignored. Creating distribution-signed code for macOS has general guidelines for signing Mac code and it specifically calls this out. Expanding on this a little, when a process runs an executable, the system checks the entitlements claimed by that executable. If all the entitlements are authorised by the executable’s profile [1], the process starts running that program and gains those entitlements. If not, the system kills the process [2]. So, to get this to work you have to change how you sign your app as a whole. This can be tricky. I usually recommend that Java developers start Java by way of a native trampoline. See the info and links in the TCC and Main Executables section of On File System Permissions. However, that trampoline
Topic: Privacy & Security SubTopic: General Tags:
Jul ’25
Safari WebExtensions (MV3): Content Script context persists across navigation, causing message routing to wrong (zombie?) pages
Summary: Content scripts injected via manifest continue to receive and respond to chrome.tabs.sendMessage() calls even after the user has navigated away from the original page, causing messages intended for the current tab to be handled by zombie contexts from previous pages. Environment: Safari/iOS Version: 18.5 Extension Manifest: Version 3 Expected Behavior: When a user navigates from Page A to Page B: Page A's content script context should be destroyed. chrome.tabs.sendMessage(currentTabId, message) should only reach Page B's content script Only Page B should be able to respond to action button clicks (or other background to content messages). Actual Behavior: When navigating from Page A to Page B: Page A's content script context persists as a zombie. chrome.tabs.sendMessage(currentTabId, message) reaches zombie context instead of the Page B's one. Hence, it looks like the extension is broken because the content script does not respond to the background messages. Details: Tab ids are properly rec
Topic: Safari & Web SubTopic: General Tags:
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Jul ’25
Add “Share & Delete” Option to iOS Share Sheet (Photos, Files, etc.)
🧠 Feature Proposal: Share & Delete Option for iOS Share Sheet 🔍 Problem: Many users frequently share temporary content like group photos, screenshots, or memes. After sharing, these files often stay in the Photos or Files app, leading to storage clutter. 💡 Solution: Introduce a Share & Delete option inside the default iOS Share Sheet. 📲 How it works: User selects photo(s)/file(s) Opens the Share Sheet Sees two options: 📤 Share (Standard) 🗑️ Share & Delete (New Option) After sharing, iOS prompts: Do you want to delete these items from your device? ✅ Benefits: Reduces storage usage Simplifies file cleanup Speeds up user workflow 🔐 Safety Considerations: Confirm deletion after successful share Show “Undo” or move to Recently Deleted 📂 Attribution: Originally proposed by Vicky on July 20, 2025. More Details & UI Mockup: 👉 GitHub: https://github.com/vicky2940/share-and-delete-feature 👉 Android Tracker Submission: https://issuetracker.google.com/issues/433195069 Please consider th
Topic: Community SubTopic: Apple Developers Tags:
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Jul ’25
BLE Connection Failure with iPad A16 and Silicon Labs Gecko SDK 3.x Devices
We're seeing a consistent issue where iPads with the A16 chip fail to connect to our BLE device, which uses a Silicon Labs chip running Gecko SDK 3.x. All other Apple devices — including older iPads and iPhones — connect without any problems. According to Silicon Labs, the issue stems from the iPad A16 sending an LL_CHANNEL_REPORTING_IND message (opcode 0x28) during connection establishment: Per Silicon Labs: Currently the iPad 16 will send a message for LL_CHANNEL_REPORTING_IND (opcode 0x28). This is a feature that is not supported in Gecko SDK 3.x. Shortly after, the BLE module responds with an 'Unknown Response' (opcode 0x07), indicating that it does not support opcode 0x28 After this exchange the iPad stops sending meaningful transactions to the BLE module and eventually closes the connection. The BLE Module is responding to this unknown request as specified in the BT Core Spec Volume 6 Part B. Unfortunately, the firmware on these BLE modules cannot be updated remotely, and we'v
Topic: App & System Services SubTopic: Drivers Tags:
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Jul ’25
can an xpc service access the keychain.
I am trying to create an app bundle with an xpc service. The main app creates a keychain item, and attempts to share (keychain access groups) with the xpc service it includes in its bundle. However, the xpc service always encounters a 'user interaction not allowed' error regardless of how I create the keychain item. kSecAttrAccessiblei is set to kSecAttrAccessibleWhenUnlockedThisDeviceOnly, the keychain access group is set for both the main app and the xpc service and in the provisioning profile. I've tried signing and notarizing. Is it ever possible for an xpc service to access the keychain? This all on macos 15.5.
Topic: App & System Services SubTopic: Processes & Concurrency Tags:
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Jul ’25
Reply to UITabBarController ignores UITab view controllers when in UITabGroup
By default, UITabBarController will only change the view controller for root tabs. Apps can manage how the view controller hierarchy changes within that root tab through system callbacks from UITabBarControllerDelegate. Setting managingNavigationController on UITabGroup will opt-in the specified group to allow UITabBarController to automatically manage its hierarchy for you. See this forum comment which has a deeper explanation on how managingNavigationController works, and how you can customize the stack that is built in. You can also watch Make your UIKit app more flexible from WWDC25 which also explains how this API works with examples.
Topic: UI Frameworks SubTopic: UIKit
Jul ’25