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Reply to Updated HTML and Javascript in HTML
I think it should work. A way to read the columns separately .btn-primary { color: #fff; background-color: #0275d8; border-color: #0275d8; } .btn { display: inline-block; font-weight: 400; line-height: 1.25; text-align: center; white-space: nowrap; vertical-align: middle; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; border: 1px solid transparent; padding: .5rem 1rem; font-size: 1rem; border-radius: .25rem; -webkit-transition: all .2s ease-in-out; transition: all .2s ease-in-out; } label { display: inline-block; margin-bottom: .5rem; } //181b1d btn primary background-color: 37474F; .btn-primary.active, .btn-primary:active, .show>.btn-primary.dropdown-toggle { color: #fff; background-color: #025aa5; background-image: none; border-color: #01549b; } .btn-primary.focus, .btn-primary:focus { -webkit-box-shadow: ‪0 0 0 2‬px rgba(2, 117, 216, .5); box-shadow: ‪0 0 0 2‬px rgba(2, 117, 216, .5); } .btn-primary:hover { color: #fff; background-color: #025aa5; bo
Topic: Safari & Web SubTopic: General Tags:
Jun ’25
Can AI Chats in Xcode 26 be Placed In Version Control
Maybe this is a feature request or a toggle that I'm missing. I am currently using the beta and realized that conversations in the left column aren't saved with code commits. Is it possible to save/attach conversations or specific conversations to a PR, even as a separate/exported artifact? The goal is to save the history of those AI chats on commit.
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121
Jun ’25
Instruments Network: Background URLSession instance appears not to complete
As stated in the title. I am running the following code. Each time I perform an API call, I create a new instance of URLSession and use a background-configured session to allow background API calls. ` Code being executed: import Foundation // Model definitions struct RandomUserResponse: Codable { let results: [RandomUser] } struct RandomUser: Codable { let name: Name let email: String } struct Name: Codable { let first: String let last: String } // Fetcher class class RandomUserFetcher: NSObject, URLSessionDataDelegate { private var receivedData = Data() private var completion: ((RandomUser?) -> Void)? private var session: URLSession! func fetchRandomUserInBackground(completion: @escaping (RandomUser?) -> Void) { self.completion = completion let configuration = URLSessionConfiguration.background(withIdentifier: com.example.randomuser.bg) session = URLSession(configuration: configuration, delegate: self, delegateQueue: nil) let url = URL(string: https://randomuser.me/api/ )! let task = session.dataTask(w
3
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361
Jun ’25
min-height not interpreted preoperly after upgrading iOS 18.4
I have a UI application built with the Vue framework, using Vuetify for the UI components. There's a div with the class v-application--wrap, which is provided by Vuetify. This class internally includes the following style rule. .v-application--wrap { backface-visibility: hidden; display: flex; flex: 1 1 auto; flex-direction: column; max-width: 100%; min-height: 100vh; position: relative; } The pages were rendering correctly up to version 18.3, but after upgrading to version 18.4, we encountered layout issues related to height. Upon investigation, we discovered that the min-height property was no longer being interpreted or applied correctly. Replacing min-height with height resolved the issue, and the pages began loading as expected. Any insights into why this behavior is occurring would be greatly appreciated.
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197
Jun ’25
Reply to SwiftData crash on fetch
I have some potential progress, but due to the nature of this crash, I don't know if this is correct or not. After inspecting the sqlite-files that represents the backingdata, I discovered that a property backed by an integer was set to null after migration even the original value was 3. Upon inspection, I realized this was the very first property I ever migrated, so it was still annotated with @Attribute(orginalName: propertyName), even tho the migration which crashed for me was the 9th migration step overall for the app. Thus, with the Schema I was migrating from being: struct SchemaV7 { @Model class Item { @Attribute(originalName: propertyName) var newPropertyName: Int } } And then removing it in the destination Schema: struct SchemaV8 { @Model class Item { var newPropertyName: Int } } made me able to complete the migration without crashing. Wether this was the solution or not, I have no idea, but it could explain some of the crashes I've seen earlier... The property which was crashing the app have never b
Jun ’25
Filtered dataFrame displays original dataFrame values
I'm importing a csv file of 299 rows and creating a subset by filtering on one column value (24 rows). I want to Chart just the filtered values. However, when I print one column I get values from the original dataFrame. Any suggestions? Thanks, David The code: import SwiftUI import Charts import TabularData struct DataPoint: Identifiable { var id = UUID() // This makes it conform to Identifiable var date: Date var value: Double } struct ContentView: View { @State private var dataPoints: [DataPoint] = [] var body: some View { Text(Hello) Chart { ForEach(dataPoints) { dataPoint in PointMark( x: .value(Date, dataPoint.date), y: .value(Value, dataPoint.value) ) } } .frame(height: 300) .padding() .onAppear(perform: loadData) } func loadData() { print(In Loading Data) // Load the CSV file if let url = Bundle.main.url(forResource: observations, withExtension: csv) { do { let options = CSVReadingOptions(hasHeaderRow: true, delimiter: ,) var data0 = try DataFrame(contentsOfCSVFile: url, options: opti
2
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147
May ’25
What is the first reliable position of the apple vision pro device?
In several visionOS apps, we readjust our scenes to the user's eye level (their heads). But, we have encountered issues whereby the WorldTrackingProvider returns bad/incorrect positions for the first x number of frames. See below code which you can copy paste in any Immersive Space. Relaunch the space and observe the numberOfBadWorldInfos value is inconsistent. a. what is the most reliable way to get the devices's position? b. is this indeed a bug? c. are we using worldInfo improperly? d. as a workaround, in our apps we set to 10 the number of frames to let pass before using worldInfo, should we set our threshold differently? import ARKit import Combine import OSLog import SwiftUI import RealityKit import RealityKitContent let SUBSYSTEM = Bundle.main.bundleIdentifier! struct ImmersiveView: View { let logger = Logger(subsystem: SUBSYSTEM, category: ImmersiveView) let session = ARKitSession() let worldInfo = WorldTrackingProvider() @State var sceneUpdateSubscription: EventSubscription? = nil @State var deviceTr
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174
May ’25
CollectionViewCell switch back to single column once UImage is assigned
Hi I am building a simple multi column CollectionView here and trying to add 3 cell in a row. Well, in short the column and rows looks all fine if I comment the below code. which is no image and text assigned to cells. let framework = list[indexPath.item] cell.configure(framework) However, once uncommented, only a single cell is displayed per row and the image doesn't seem to be resizing automatically. Can you please advise. Below is the ViewController. import UIKit class FrameworkListViewController: UIViewController { @IBOutlet weak var collectionView: UICollectionView! let list: [AppleFramework] = AppleFramework.list override func viewDidLoad() { super.viewDidLoad() collectionView.dataSource = self collectionView.delegate = self } } extension FrameworkListViewController: UICollectionViewDataSource { func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return list.count } func collectionView(_ collectionView: UICollectionView, cellForItemA
Topic: UI Frameworks SubTopic: UIKit
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65
May ’25
Mac Catalyst SplitViewController, UITitlebar bugs?
Bringing my iPad app to Mac Catalyst as iPad idiom. Primary interface is a UISplitViewController. Two things I think are bugs unless someone replies with a fix. SplitViewController is setup in two column with left column as sidebar: split.setViewController(primary, for: .primary) split.setViewController(secondary, for: .secondary) split.preferredDisplayMode = .oneBesideSecondary split.preferredSplitBehavior = .tile split.presentsWithGesture = true #if targetEnvironment(macCatalyst) split.primaryBackgroundStyle = .sidebar split.displayModeButtonVisibility = .never #endif The displayMode button aligns vertically with the navigation bar and below the 3 window control buttons (close, minimize, full screen), whereas on other macOS apps using SplitViewController such as Apple Notes app, the displayMode button aligns vertically and just to the right of the the 3 window control buttons (close, minimize, full screen). I downloaded the Apple Example app called Menus that is supposed to be a prime exam
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213
May ’25
Reply to NSLayoutManager Bug -- layout manager re-laying out overlapping text into the same container.
Hi Ziqiao, thank you for the suggestion. I tested using exclusionPaths instead and interestingly, the bug still occurs! I can send you the version of the project that uses exclusionPaths instead of different container sizes if you'd like to compile/run and see. For convenience, here is the changed code in question with exclusionPaths: setupLayout() changes to: func setupLayout() { var index = 0 for textViewData in PreviewTestData.textViewDataArray { self.ensureContainer(with: textViewData.frame.size, exclusionPath: textViewData.exclusionPath, at: index) index += 1 } } ensureContainer(...) changes to: @discardableResult private func ensureContainer(with size: CGSize, exclusionPath: NSBezierPath?, at index: Int) -> NSTextContainer { precondition(index >= 0 && index <= layoutManager.textContainers.count) if index == layoutManager.textContainers.count { let container = NSTextContainer(size: size) container.widthTracksTextView = false container.heightTracksTextView = false container.lineFragmentPa
Topic: UI Frameworks SubTopic: AppKit Tags:
May ’25
Reply to NSLayoutManager Bug -- layout manager re-laying out overlapping text into the same container.
Hi Ziqiao, thank you for looking at the project and for the feedback. My word processing app requires containers of differing width in order to fulfill its core functions. I know Apple's own Pages app supports documents that flow continuously with varying numbers of columns with widths that the user can set arbitrarily. And Apple's own documentation of NSLayoutManager / NSTextContainer mentions multi-column text (https://developer.apple.com/library/archive/documentation/TextFonts/Conceptual/CocoaTextArchitecture/TextSystemArchitecture/ArchitectureOverview.html#//apple_ref/doc/uid/TP40009459-CH7-SW4). Text Kit 2 doesn't yet support more than one text container, so that's not an option for me yet and I can't migrate to Text Kit 2 until they support container / page breaks. I would love for this issue to be elevated. This is an actual and serious bug in Text Kit!
Topic: UI Frameworks SubTopic: AppKit Tags:
May ’25
Reply to Generate Provisioning Profile that includes MusicKit Entitlements
MusicKit isn’t gated by an entitlement. That’s why, when you enable it on an App ID, you enable it in the App Services column rather than the Capabilities column. Enabling it there grants that App ID access to that service without needing your app to be signed with any entitlement. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
May ’25
Reply to Updated HTML and Javascript in HTML
I think it should work. A way to read the columns separately .btn-primary { color: #fff; background-color: #0275d8; border-color: #0275d8; } .btn { display: inline-block; font-weight: 400; line-height: 1.25; text-align: center; white-space: nowrap; vertical-align: middle; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; border: 1px solid transparent; padding: .5rem 1rem; font-size: 1rem; border-radius: .25rem; -webkit-transition: all .2s ease-in-out; transition: all .2s ease-in-out; } label { display: inline-block; margin-bottom: .5rem; } //181b1d btn primary background-color: 37474F; .btn-primary.active, .btn-primary:active, .show>.btn-primary.dropdown-toggle { color: #fff; background-color: #025aa5; background-image: none; border-color: #01549b; } .btn-primary.focus, .btn-primary:focus { -webkit-box-shadow: ‪0 0 0 2‬px rgba(2, 117, 216, .5); box-shadow: ‪0 0 0 2‬px rgba(2, 117, 216, .5); } .btn-primary:hover { color: #fff; background-color: #025aa5; bo
Topic: Safari & Web SubTopic: General Tags:
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Jun ’25
Rendering HTML tables on iOS
How to allocate the width of each column when customizing the rendering of HTML tables on iOS with limited screen width
Topic: Safari & Web SubTopic: General
Replies
2
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0
Views
109
Activity
Jun ’25
Can AI Chats in Xcode 26 be Placed In Version Control
Maybe this is a feature request or a toggle that I'm missing. I am currently using the beta and realized that conversations in the left column aren't saved with code commits. Is it possible to save/attach conversations or specific conversations to a PR, even as a separate/exported artifact? The goal is to save the history of those AI chats on commit.
Replies
1
Boosts
0
Views
121
Activity
Jun ’25
Instruments Network: Background URLSession instance appears not to complete
As stated in the title. I am running the following code. Each time I perform an API call, I create a new instance of URLSession and use a background-configured session to allow background API calls. ` Code being executed: import Foundation // Model definitions struct RandomUserResponse: Codable { let results: [RandomUser] } struct RandomUser: Codable { let name: Name let email: String } struct Name: Codable { let first: String let last: String } // Fetcher class class RandomUserFetcher: NSObject, URLSessionDataDelegate { private var receivedData = Data() private var completion: ((RandomUser?) -> Void)? private var session: URLSession! func fetchRandomUserInBackground(completion: @escaping (RandomUser?) -> Void) { self.completion = completion let configuration = URLSessionConfiguration.background(withIdentifier: com.example.randomuser.bg) session = URLSession(configuration: configuration, delegate: self, delegateQueue: nil) let url = URL(string: https://randomuser.me/api/ )! let task = session.dataTask(w
Replies
3
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0
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361
Activity
Jun ’25
Reply to Apple Connect Having Issue Recognizing Routing Numbers
I am having the same issue with the Column N.A. How can we solve this?
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Jun ’25
min-height not interpreted preoperly after upgrading iOS 18.4
I have a UI application built with the Vue framework, using Vuetify for the UI components. There's a div with the class v-application--wrap, which is provided by Vuetify. This class internally includes the following style rule. .v-application--wrap { backface-visibility: hidden; display: flex; flex: 1 1 auto; flex-direction: column; max-width: 100%; min-height: 100vh; position: relative; } The pages were rendering correctly up to version 18.3, but after upgrading to version 18.4, we encountered layout issues related to height. Upon investigation, we discovered that the min-height property was no longer being interpreted or applied correctly. Replacing min-height with height resolved the issue, and the pages began loading as expected. Any insights into why this behavior is occurring would be greatly appreciated.
Replies
1
Boosts
0
Views
197
Activity
Jun ’25
Reply to SwiftData crash on fetch
I have some potential progress, but due to the nature of this crash, I don't know if this is correct or not. After inspecting the sqlite-files that represents the backingdata, I discovered that a property backed by an integer was set to null after migration even the original value was 3. Upon inspection, I realized this was the very first property I ever migrated, so it was still annotated with @Attribute(orginalName: propertyName), even tho the migration which crashed for me was the 9th migration step overall for the app. Thus, with the Schema I was migrating from being: struct SchemaV7 { @Model class Item { @Attribute(originalName: propertyName) var newPropertyName: Int } } And then removing it in the destination Schema: struct SchemaV8 { @Model class Item { var newPropertyName: Int } } made me able to complete the migration without crashing. Wether this was the solution or not, I have no idea, but it could explain some of the crashes I've seen earlier... The property which was crashing the app have never b
Replies
Boosts
Views
Activity
Jun ’25
Filtered dataFrame displays original dataFrame values
I'm importing a csv file of 299 rows and creating a subset by filtering on one column value (24 rows). I want to Chart just the filtered values. However, when I print one column I get values from the original dataFrame. Any suggestions? Thanks, David The code: import SwiftUI import Charts import TabularData struct DataPoint: Identifiable { var id = UUID() // This makes it conform to Identifiable var date: Date var value: Double } struct ContentView: View { @State private var dataPoints: [DataPoint] = [] var body: some View { Text(Hello) Chart { ForEach(dataPoints) { dataPoint in PointMark( x: .value(Date, dataPoint.date), y: .value(Value, dataPoint.value) ) } } .frame(height: 300) .padding() .onAppear(perform: loadData) } func loadData() { print(In Loading Data) // Load the CSV file if let url = Bundle.main.url(forResource: observations, withExtension: csv) { do { let options = CSVReadingOptions(hasHeaderRow: true, delimiter: ,) var data0 = try DataFrame(contentsOfCSVFile: url, options: opti
Replies
2
Boosts
0
Views
147
Activity
May ’25
What is the first reliable position of the apple vision pro device?
In several visionOS apps, we readjust our scenes to the user's eye level (their heads). But, we have encountered issues whereby the WorldTrackingProvider returns bad/incorrect positions for the first x number of frames. See below code which you can copy paste in any Immersive Space. Relaunch the space and observe the numberOfBadWorldInfos value is inconsistent. a. what is the most reliable way to get the devices's position? b. is this indeed a bug? c. are we using worldInfo improperly? d. as a workaround, in our apps we set to 10 the number of frames to let pass before using worldInfo, should we set our threshold differently? import ARKit import Combine import OSLog import SwiftUI import RealityKit import RealityKitContent let SUBSYSTEM = Bundle.main.bundleIdentifier! struct ImmersiveView: View { let logger = Logger(subsystem: SUBSYSTEM, category: ImmersiveView) let session = ARKitSession() let worldInfo = WorldTrackingProvider() @State var sceneUpdateSubscription: EventSubscription? = nil @State var deviceTr
Replies
3
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0
Views
174
Activity
May ’25
Reply to Filtered dataFrame displays original dataFrame values
Filtered columns behave like Swift ArraySlices. In particular they maintain the original indices, see ArraySlice, Slices Maintain Indices. You need to replace for i in 0 ... data.rows.count with for i in data.rows.indices. The other option is to convert the slice back to a regular DataFrame: let data = DataFrame(data0.filter { ... })
Topic: App & System Services SubTopic: General Tags:
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May ’25
CollectionViewCell switch back to single column once UImage is assigned
Hi I am building a simple multi column CollectionView here and trying to add 3 cell in a row. Well, in short the column and rows looks all fine if I comment the below code. which is no image and text assigned to cells. let framework = list[indexPath.item] cell.configure(framework) However, once uncommented, only a single cell is displayed per row and the image doesn't seem to be resizing automatically. Can you please advise. Below is the ViewController. import UIKit class FrameworkListViewController: UIViewController { @IBOutlet weak var collectionView: UICollectionView! let list: [AppleFramework] = AppleFramework.list override func viewDidLoad() { super.viewDidLoad() collectionView.dataSource = self collectionView.delegate = self } } extension FrameworkListViewController: UICollectionViewDataSource { func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return list.count } func collectionView(_ collectionView: UICollectionView, cellForItemA
Topic: UI Frameworks SubTopic: UIKit
Replies
1
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0
Views
65
Activity
May ’25
Mac Catalyst SplitViewController, UITitlebar bugs?
Bringing my iPad app to Mac Catalyst as iPad idiom. Primary interface is a UISplitViewController. Two things I think are bugs unless someone replies with a fix. SplitViewController is setup in two column with left column as sidebar: split.setViewController(primary, for: .primary) split.setViewController(secondary, for: .secondary) split.preferredDisplayMode = .oneBesideSecondary split.preferredSplitBehavior = .tile split.presentsWithGesture = true #if targetEnvironment(macCatalyst) split.primaryBackgroundStyle = .sidebar split.displayModeButtonVisibility = .never #endif The displayMode button aligns vertically with the navigation bar and below the 3 window control buttons (close, minimize, full screen), whereas on other macOS apps using SplitViewController such as Apple Notes app, the displayMode button aligns vertically and just to the right of the the 3 window control buttons (close, minimize, full screen). I downloaded the Apple Example app called Menus that is supposed to be a prime exam
Replies
1
Boosts
0
Views
213
Activity
May ’25
Reply to NSLayoutManager Bug -- layout manager re-laying out overlapping text into the same container.
Hi Ziqiao, thank you for the suggestion. I tested using exclusionPaths instead and interestingly, the bug still occurs! I can send you the version of the project that uses exclusionPaths instead of different container sizes if you'd like to compile/run and see. For convenience, here is the changed code in question with exclusionPaths: setupLayout() changes to: func setupLayout() { var index = 0 for textViewData in PreviewTestData.textViewDataArray { self.ensureContainer(with: textViewData.frame.size, exclusionPath: textViewData.exclusionPath, at: index) index += 1 } } ensureContainer(...) changes to: @discardableResult private func ensureContainer(with size: CGSize, exclusionPath: NSBezierPath?, at index: Int) -> NSTextContainer { precondition(index >= 0 && index <= layoutManager.textContainers.count) if index == layoutManager.textContainers.count { let container = NSTextContainer(size: size) container.widthTracksTextView = false container.heightTracksTextView = false container.lineFragmentPa
Topic: UI Frameworks SubTopic: AppKit Tags:
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Activity
May ’25
Reply to NSLayoutManager Bug -- layout manager re-laying out overlapping text into the same container.
Hi Ziqiao, thank you for looking at the project and for the feedback. My word processing app requires containers of differing width in order to fulfill its core functions. I know Apple's own Pages app supports documents that flow continuously with varying numbers of columns with widths that the user can set arbitrarily. And Apple's own documentation of NSLayoutManager / NSTextContainer mentions multi-column text (https://developer.apple.com/library/archive/documentation/TextFonts/Conceptual/CocoaTextArchitecture/TextSystemArchitecture/ArchitectureOverview.html#//apple_ref/doc/uid/TP40009459-CH7-SW4). Text Kit 2 doesn't yet support more than one text container, so that's not an option for me yet and I can't migrate to Text Kit 2 until they support container / page breaks. I would love for this issue to be elevated. This is an actual and serious bug in Text Kit!
Topic: UI Frameworks SubTopic: AppKit Tags:
Replies
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Views
Activity
May ’25
Reply to Generate Provisioning Profile that includes MusicKit Entitlements
MusicKit isn’t gated by an entitlement. That’s why, when you enable it on an App ID, you enable it in the App Services column rather than the Capabilities column. Enabling it there grants that App ID access to that service without needing your app to be signed with any entitlement. Share and Enjoy — Quinn “The Eskimo!” @ Developer Technical Support @ Apple let myEmail = eskimo + 1 + @ + apple.com
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May ’25