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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

@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.})))]))

In the Console, when presenting my view in a horizontally compact environment, I see: UINavigationController for collapsing UISplitViewController about to push view controller This message repeats infinitely, until the Xcode debugger eventually says: QUARANTINED DUE TO HIGH LOGGING VOLUME Of note is that this only occurs in the beta, does not occur when using the iOS 18.x SDK, and only occurs in a compact environment. EDIT: This occurs only when setting the secondary column of a doubleColumn UISplitViewController: splitVC.setViewController(secondary, for: .secondary) EDIT 2 and WORKAROUND: If this action is deferred until after viewDidAppear, it self-resolves: public override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) if let deferredSecondaryViewController { splitVC.showDetailViewController(deferredSecondaryViewController, sender: nil) } }

I’ll preface this by saying I’ve submitted a DTS ticket with essentially this exact text, but I thought I’d also post about it here to get some additional input. Apple engineers: the case ID is 14698374, for your reference. I have an observable class, called NavigationModel, that powers navigation in my SwiftUI app. It has one important property, navigationSelection, that stores the currently selected view. This property is passed to a List in the sidebar column of a NavigationSplitView with two columns. The list has NavigationLinks that accept that selection as a value parameter. When a NavigationLink is tapped, the detail column shows the appropriate detail view per the navigationSelection property’s current value via a switch statement. (This navigationSelection stores an enum value.) This setup allows for complete programmatic navigation as that selection is effectively global. From anywhere in the app — any button, command, or app intent — the selection can be modified since th

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.

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

At WWDC25 we launched a new type of Lab event for the developer community - Group Labs. A Group Lab is a panel Q&A designed for a large audience of developers. Group Labs are a unique opportunity for the community to submit questions directly to a panel of Apple engineers and designers. Here are the highlights from the WWDC25 Group Lab for Design. Can you expand on how Liquid Glass helps with navigation and focus in the UI? Liquid Glass clarifies the navigation layer by introducing a single, floating pane that acts as the primary navigation area. Buttons within this pane seamlessly morph as you move between sections, and controls can temporarily lift into the glass surface. While avoiding excessive use of glass (like layering glass on glass), this approach simplifies navigation and strengthens the connection between menus, alerts, and the elements that trigger them. What should I do with customized bars that I might have in my app? Reconsider the content and behavior of customized bars. Evaluate whether y

I'm setting up a first workflow in Xcode Cloud and when I go through the flow and reach the 'Grant Access to your source code' pane, my projects repo is listed as primary and has a green checkmark next to it, but one of my SPM dependencies does not. When I press the 'Grant Access' it launches AppStoreConnect which complains the repo can't be found or I don't have the correct admin permissions. I'm using BitBucket Cloud and both repos are mine and I am the admin for both. Xcode itself will build the dependency locally correctly. I did see that the dependent SPM package needs a Package.resolved checked in, which I've now done, but I can still no longer get past the Grant Access step. When I try to add myself as admin to the dependent repo, BitBucket says I can't be added because I'm already an admin. This is the same for the projects primary repo as well. But Xcode still thinks I only have read access. How do I get passed this? Xcode isn't even telling me what repo is troublesome: { category : xcode-cloud-data,

When I Installed beta 2 , The multiple columns for widgets disappeared. I want it back ..... Ive tried removing my device in CarPlay under General and adding it again. Didn't work.

When updating from beta 1 to beta 2, CarPlay now only shows 1 column instead of the two or three that were in beta 1.