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iOS 26 crashes with CALayerInvalidGeometry when using magnifier on Webview
I have a Net8 Maui WebView app and whenever I use magnifier, it crashes. The magnifier works on iOS18 and lower but crashes on iOS26+ Exception **Type:** CALayerInvalidGeometry **Value:** CALayer position contains NaN: [nan 65]. Layer: >; sublayers = (, ); opaque = YES; allowsGroupOpacity = YES; anchorPoint = CGPoint (inf 0); opacity = 0> Stacktrace __exceptionPreprocess in unknown file [Line null, column null] (Not in app) objc_exception_throw in unknown file [Line null, column null] (Not in app) +[NSException raise:format:] in unknown file [Line null, column null] (Not in app) CA::Layer::set_position in unknown file [Line null, column null] (Not in app) -[CALayer setPosition:] in unknown file [Line null, column null] (Not in app) -[UIView _backing_setPosition:] in unknown file [Line null, column null] (Not in app) -[UIView setCenter:] in unknown file [Line null, column null] (Not in app) -[_UIEditMenuContentPresentation _displayPreparedMen
Topic: Safari & Web SubTopic: General
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226
Aug ’25
Promotional Offer ID column is empty in Subscriber report for redeemed offer code
When redeeming a custom offer code, I'm not able to see the actual offer code ID in the Subscriber report - only the subscription offer name is present. I'm going off of the documentation for the Promotional Offer ID column: A code that you create for customers to enter and redeem the subscription offer. https://developer.apple.com/help/app-store-connect/reference/subscriber-report Is the documentation wrong? How are we supposed to measure the performance of our offer codes beyond the initial redemption? For example, with the offer name I can see how my Holiday Promos offer is doing but can't see the actual performance of BLACKFRIDAY30 vs MOTHERSDAY30.
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Aug ’25
Reply to Bundling app with our own SQLite
Can we bundle our app with our own version of SQLite with extensions that we want. Yes, and you should do that. The version that Apple includes depends on the iOS version (see https://github.com/yapstudios/YapDatabase/wiki/SQLite-version-(bundled-with-OS) for a table). If you use the Apple version, there's a danger that your app will break after an iOS update, or will not function on an older iOS version that you are still trying to support but don't test on as well as you should. I was caught out by the latter issue because the sqlite in iOS 14 doesn't support on conflict without a column list.
Aug ’25
Reply to Swift 6 Minimum Requirement for App Store
While I can't predict the future or comment on anything future looking, I'd like to color in some details of the complier so you have a more complete understanding of how things work, in hopes that you can use this information to inform your own decisions around adopting Swift 6. If you take a look at the Xcode support page and look at the table of Xcode versions, you'll notice the Swift column has two sets of data — the complier version, and language modes. As you stated, Swift 6 was released with Xcode 16, and you can see that in the version number of the complier in the chart. Every Xcode release has one version of the Swift complier, and so that means every app that has compiled with Xcode 16 or newer has already compiled with the Swift 6 complier. Your question here is better stated as what is the longevity of the Swift 5 language mode? The language mode (which you'll find in your project as the SWIFT_VERSION build setting) is the version of the language the compiler is using for its compilation
Aug ’25
Label text in UISplitViewController primary column not respecting dark mode in iOS 26 beta 4
In iOS 26 beta 4 (build from July 2025), there is a visual issue when using a UISplitViewController. Specifically, the text color of labels in the primary column does not adapt correctly to Dark Mode. This includes navigation bar titles and labels inside UITableViewCells. Regardless of system appearance settings, the text remains black, making it unreadable when the system switches to Dark Mode. To reproduce this, create a new iOS project using UISplitViewController with the .doubleColumn style. In the primary column, embed a UIViewController that contains a navigation title using navigationItem.title, and a UITableView showing a list of items. Run the app on a device or simulator with iOS 26 beta 4. Then switch the system appearance to Dark Mode using Control Center and observe the interface. The expected result is that all labels in the primary column, including the navigation title and table view cell labels, should automatically update to a light text color in Dark Mode. This be
Topic: UI Frameworks SubTopic: UIKit Tags:
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56
Jul ’25
SwiftUI & Xcode 26.0 beta3: Using Map in LazyVGrid causes "Observation tracking feedback loop"
The following code causes an error in Xcode 26.0 beta3 in iOS Simulator with iOS 26.0. After starting the App, scroll to the end of the grid and the app will break. Testet with Xcode Playground with platforms: [ .iOS(17.0)], Simplest possible variant: import SwiftUI import MapKit struct ContentView: View { var body: some View { NavigationStack { ScrollView { LazyVGrid(columns: [GridItem()]) { ForEach(1...12, id:.self) { i in Text(Hello (i)) .frame(height: 150) } Map { } .frame(height: 150) } } } } } Thrown error: Observation tracking feedback loop detected! Make a symbolic breakpoint at UIObservationTrackingFeedbackLoopDetected to catch this in the debugger. Refer to the console logs for details about recent invalidations; you can also make a symbolic breakpoint at UIObservationTrackingInvalidated to catch invalidations in the debugger. Object receiving repeated [updateProperties] invalidations: ; layer = > contentView=0x0000000103026000 These three nested views are necessary to reproduce the erro
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Aug ’25
Reply to UISplitView with "sidebar" and Liquid Glass
I have the same issue, I'm not able to reach the same side bar appearance as the Settings app with UISplitViewController (tested on iOS 26 Beta 4). I've created a very basic double column split view controller and there isn't the Liquid Glass effect around the edges of the primary view controller. Interestingly, it does work if one uses the SwiftUI equivalent NavigationSplitView. So either it's a bug in UISplitViewController, or it's not planned for it to support that appearance (hopefully not!).
Topic: UI Frameworks SubTopic: UIKit Tags:
Aug ’25
UISplitView with "sidebar" and Liquid Glass
I have a couple of (older) UIKit-based Apps using UISplitViewController on the iPad to have a two-column layout. I'm trying to edit the App so it will shows the left column as sidebar with liquid glass effect, similar to the one in the Settings App of iPadOS 26. But this seems to be almost impossible to do right now. out of the box the UISplitViewController already shows the left column somehow like a sidebar, with some margins to the sides, but missing the glass effect and with very little contrast to the background. If the left column contains a UITableViewController, I can try to get the glass effect this way within the UITableViewController: tableView.backgroundColor = .clear tableView.backgroundView = UIVisualEffectView(effect: UIGlassContainerEffect()) It is necessary to set the backgroundColor of the table view to the clear color because otherwise the default background color would completely cover the glass effect and so it's no longer visible. It is also necessary
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Aug ’25
Reply to Mitigating overlapping text for sticky section headers for a plain List in iOS 26
Is there a modifier to make section headers non-sticky? You can use the automatic .listStyle(.automatic) or opt for a lazy stack instead and apply your decorators. For examples, refer to Grouping data with lazy stack views. .listStyle(.automatic) results in in .insetGrouped, so that's a different look. I tried the LazyVStack approach and this worked well for a screen that was pretty custom-styled anyway. Side note: LazyVStack made me a little upset by applying the spacing not only between rows, but also after the section header; requiring dancing around with the spacing and paddings to get the correct look; I wished for a separation of spacing between sections, spacing between rows and spacing between [section header/rows/section footer]. But I'm wondering if this is a well-rounded approach for Views that just want a plain styled data list. It's certainly more feasible with the delicate separators-going-all-the-way-through-to-the-edge-of-the-screen gone in iOS 26, but still, custom-rebuilding all the Views wi
Topic: UI Frameworks SubTopic: SwiftUI
Aug ’25
Reply to SKAdNetwork: Error while updating conversion value
So, my current experience with this. I am advertising my ios app with Google Ads app campaign. Whenever user does this one thing on the app, I log an event to Firebase/Google Analytics. That event there shows up fine with proper count. Then I export this event to Google Ads, and also make a SKAdNetwork mapping. This event shows up in Google Ads as a conversion action definition, but with status No recent conversions. I want it to show Active. I have also set AppsFlyer to receive winning SKAN postback copies (its a bit easier to read them there in the SKAN Overview section). I do see the app instals there, meaning I am getting SKAN postback copies, but the column Null conversion value rate is always 100% - meaning, each received postback has conversion value as NULL. Now, it is my understanding, that in order to update that Conversion Value (CV), we have 2 approaches: Directly: SKAdNetwork.updatePostbackConversionValue(5) { error in if let error = error { // Report production error to Sentry } } Indir
Topic: App & System Services SubTopic: StoreKit Tags:
Jul ’25
VoiceOver doesn't work well for accessing PDFs/forms with tables
I have been working to remediate PDFs for a client. The documents/forms have many tables. When I correctly tag a table, using Foxit Editor Pro, it works beautifully on a PC reading it with NVDA. On Mac using VoiceOver the table isn't accessible. It doesn't matter if I try to read it in Adobe Acrobat, Foxit, or Preview. The reader often says the document is empty, omits column headers, and/or associates the wrong header with the column data. The documents have essentially the same coding behind them as for the web. Why is it they perform so well on a PC with NVDA, but so poorly with Mac VoiceOver? I am a Quality Assurance Specialist. I review websites apps, and documents for accessibility. Why can't I do my job using only my Mac system? As a Mac user, it frustrates me that I can't use my preferred system for checking documents to see if they are accessible because VoiceOver doesn't work well. I actually have to recommend to my clients and their customers that they need to use a PC with NVDA o
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Jul ’25
get error with xcode beta3 :decodingFailure(FoundationModels.LanguageModelSession.GenerationError.Context
@Generable enum Breakfast { case waffles case pancakes case bagels case eggs } do { let session = LanguageModelSession() let userInput = I want something sweet. let prompt = Pick the ideal breakfast for request: (userInput) let response = try await session.respond(to: prompt,generating: Breakfast.self) print(response.content) } catch let error { print(error) } i want to test the @Generable demo but get error with below:decodingFailure(FoundationModels.LanguageModelSession.GenerationError.Context(debugDescription: Failed to convert text into into GeneratedContentnText: waffles, underlyingErrors: [Swift.DecodingError.dataCorrupted(Swift.DecodingError.Context(codingPath: [], debugDescription: The given data was not valid JSON., underlyingError: Optional(Error Domain=NSCocoaErrorDomain Code=3840 Unexpected character 'w' around line 1, column 1. UserInfo={NSJSONSerializationErrorIndex=0, NSDebugDescription=Unexpected character 'w' around line 1, column 1.})))]))
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Jul ’25
Reply to Test my app without ADP membership
Just a couple of factoids to expand on the previous answers… If your Apple Account is not a member of a paid developer team then Xcode lets you develop apps for your own device. This feature is known as a Personal Team. It has significant limitations. For the specifics, see Developer > Support > Choosing a Membership. If you’re using a Personal Team, it’s a good idea to bookmark the Developer Account Help > Reference > Supported capabilities (iOS) page. The last column, labelled Apple Developer, shows what entitlements are available to Personal Team developers. Sadly, Family Control is not in that list )-: Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
Topic: Code Signing SubTopic: Entitlements Tags:
Jul ’25
Proper way to set up Sandbox iOS for Purchase Testing
I cannot explain how frustrating this is. Not that I want to compare to Android, but in 3 years of QA Testing my app, Android works like a dream, while iOS fights with me EVERY SINGLE STEP OF THE WAY. Hopefully someone here can tell me what I am missing/doing wrong/which god I must appease to get this to work. I have 3 REAL iPhones of varying iOS versions and ages. But they are all proper actual iPhones. We use google accounts at this company, so my primary email is a gmail one. I have created MANY sandbox accounts inside App Store Connect. Currently I have 2, and 2 of my devices (both 14's one of which is a Pro) have my Primary account as the main account for the device. But they both also have a Sandbox account which is simply my main email with a +sandbox in it to make it a new unique email. Here is the problem, nothing works as expected ever. I can install my Staging and Production apps from TestFlight, then I can make a subscription purchase as a customer would and I SHOULD see that subscription in my Sa
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Jul ’25
NavigationSplitView sidebar toggle button missing on iPadOS 26 beta 3
I just upgraded to Xcode 26 beta 3 and when I run my iPad app the toggle sidebar button is no longer visible when I set the column visibility to .detailOnly. I don't apply any modifiers to my NavigationSplitView. It looks like this. NavigationSplitView(columnVisibility: $sceneModel.columnVisibility) { GPSidebarView(appModels: self.appModels()) } detail: { GPRootContentViewIOS26(appModels: self.appModels()) } I also don't do .toolbar(removing: .sidebarToggle) anywhere in my code. Yesterday when I had Xcode 26 beta 2 the toggle sidebar button was there on my detail only view. I am trying to figure out if there is something that I did to break this and after looking at my git history the only thing I can see is that I upgraded Xcode 26. Here is what I get when I set the column visibility to .detailOnly. Then here is what I get when I set the column visibility to .doubleColumn.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
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Jul ’25