Explore the integration of web technologies within your app. Discuss building web-based apps, leveraging Safari functionalities, and integrating with web services.

All subtopics
Posts under Safari & Web topic

Post

Replies

Boosts

Views

Activity

Issue sending web push notification to iOS
Hello all, I'm building a web application in ASP.NET MVC (.NET Framework 4.7.2), from this web app I need to send push notifications to users. For the ones who are logged in with windows/android, everything works as expected, but I can't manage to get it work on the apple side. If I use the same methods to subscribe to push notifications, it shows me the popup that asks the user to enable push notifications, and then I get an endpoint like this: https://web.push.apple.com/QKC1Muic0H7... It doesn't work using this (taking the part after https://web.push.apple.com/), I keep getting "Bad device token" (trying to send the notification via APNS). Then I found out that there is another method to register the device from the frontend, and this one should give me the real device token: window.safari.pushNotification.requestPermission But this one doesn't show me the popup, it gives me "denied" without a reason. I'm trying to a test application which is here https://pwa.vctplanner.it, the web push id is web.it.vctplanner, I created a push package downloadable from POST https://pwa.vctplanner.it/api/v2/PushPackages/web.it.vctplanner, and the code from the frontend is this: function registerSafariPush() { // Controlla se Safari Push Notifications è disponibile if (!('safari' in window) || !('pushNotification' in window.safari)) { console.log("Safari Push Notifications non supportate su questo browser."); return; } // Il tuo Website Push ID registrato su Apple Developer var websitePushId = "web.it.vctplanner"; // Controlla lo stato della permission var permissionData = window.safari.pushNotification.permission(websitePushId); switch (permissionData.permission) { case 'default': // L'utente non ha ancora deciso window.safari.pushNotification.requestPermission( 'https://pwa.vctplanner.it', // URL del server che serve il Push Package websitePushId, {}, // dati opzionali da inviare al server function (permission) { if (permission.permission === 'granted') { console.log("Notifiche push abilitate!"); sendSubscriptionToServer({ endpoint: permission.deviceToken }); } else { console.log("Notifiche push non abilitate dall'utente."); } } ); break; case 'denied': // L'utente ha negato console.log("Notifiche push negate."); break; case 'granted': // L'utente ha già autorizzato console.log("Notifiche push già autorizzate."); sendSubscriptionToServer({ endpoint: permissionData.deviceToken }); break; } } Any suggestions of what I'm missing? Is there a complete guide to how generate the push package? Thank you
0
0
270
Sep ’25
Throttling on navigator.geolocation.getCurrentPosition on Safari
I'm using navigator.geolocation.getCurrentPosition to retrieve the users coordinates in a PWA built with Nextjs. getCurrentPosition is called by clicking on a button. If getCurrentPosition is called afterwards, the cached value is returned. On Safari, If I refresh the page, or logout, login and call getCurrentPosition again, the getCurrentPosition error callback is called with an error code 2 - POSITION_UNAVAILABLE. After around five minutes, getCurrentPosition can be called again. Is there some kind of throttling restriction on Safari navigator.geolocation.getCurrentPosition?
0
0
451
Jan ’25
Handling POST-based Authentication Flow with ASWebAuthenticationSession and MDM Client Certificate
Hello, I have an authentication flow where my app communicates with a backend protected by F5 client certificate validation. The client certificate is distributed via MDM and is available in the device keychain, but not accessible directly from the app. When using ASWebAuthenticationSession (or SFSafariViewController) Safari can successfully pick up and present the certificate during authentication, so that part works fine. However, the backend’s authenticate endpoint only supports a POST request with an Authorization header, whereas ASWebAuthenticationSession only accepts a GET URL when starting the session. My questions are: How is this type of flow typically implemented in iOS? Should the backend provide a GET-based endpoint that redirects into the POST, or is there a recommended iOS pattern (e.g., an intermediate HTML page that does the POST after certificate validation)? Are there Apple guidelines on handling certificate-based auth with ASWebAuthenticationSession when the API requires POST, especially for In-House distributed apps? Any guidance or best practices would be very helpful.
Topic: Safari & Web SubTopic: General
0
0
357
Sep ’25
Safari 18.2 and macOS Sequoia 15.2 Download Issue in AngularJS Application
We are encountering a download issue in Safari 18.2 on macOS Sequoia 15.2 where file downloads initiated by our AngularJS application (such as Excel exports) are silently blocked. There are no errors in the browser console, and the download does not occur. Interestingly, after testing on Safari 18.3 with Sequoia 15.3, the downloads worked as expected. However, the problem reappeared on Safari 18.4 with Sequoia 15.4. We suspect that recent changes in Safari’s security or download handling may be preventing downloads triggered via asynchronous JavaScript (e.g., AJAX calls) that are not initiated directly by user interaction. We would appreciate any insights, suggestions, or possible workarounds from the community. Looking forward to your guidance on this matter.
0
0
141
May ’25
How do I update the list of valid redirect URLs for Sign In With Apple for Web?
I've been using Sign In with Apple for Web for the last six months, and it works well enough. Now, I'm updating the domain of the main application (we got the .com! yeah!) However, I can't find a way in the configuration UI to update the allowed redirect URLs for the application. I go to Identifiers -> My App -> Capabilities -> Sign In with Apple -> Edit button. It just allows me to edit whether this is a primary ID, or grouped ID, plus a callback URL (which I'm not currently using.)
0
0
582
Sep ’25
Detecting tabs change in Safari App Extension when switching windows inside validateToolbarItem.
Hi. I'm a developer of Tab Finder (https://apps.apple.com/us/app/tab-finder/id6741719894) My problem is that every time i switch from my first window to a second window, the tabs in the validateToolbarItem() are INcorrect on a first call, but when I switch back from the second window to my main window, the tabs are CORRECT even on a first call. To demonstrate it, i recorded a video: https://youtu.be/RwskzrSJ8u0 To run the same sample extension from the video, you can get the code from this GitHub repo: https://github.com/kopyl/test-tabs-change Its only purpose is to log URLs of an active page of all tabs. The SafariExtensionHandler's code of the sample app is very simple: import SafariServices func printOpenTabsHost(in window: SFSafariWindow) async { let tabs = await window.allTabs() log("Logging tabs for a new window: \(window.hashValue)") for tab in tabs { let page = await tab.activePage() let properties = await page?.properties() let url = properties?.url log(url?.absoluteString ?? "No URL") } } class SafariExtensionViewController: SFSafariExtensionViewController { static let shared = SafariExtensionViewController() } class SafariExtensionHandler: SFSafariExtensionHandler { override func validateToolbarItem(in window: SFSafariWindow, validationHandler: @escaping ((Bool, String) -> Void)) { Task { await printOpenTabsHost(in: window) } validationHandler(true, "") } override func popoverViewController() -> SFSafariExtensionViewController { return SafariExtensionViewController.shared } } Could you please tell if i'm missing something and how to see the actual tabs inside the overridden validateToolbarItem call of the SafariExtensionHandler (or in any other way, I'm okay with any implementation as long as it works).
0
0
367
Mar ’25
WKWebview termination due to memory. Adjustable threshold for termination?
Hi, Our company has an application uses the WKWebview to host a lot of content. The content is web based and hosts a lot of charts and metrics. Because of the high content, we've seen the memory of the WebContent hit above 1.25 GB. When that happens, it'll eventually terminate and we have our recovery code to reload the same page Seems like the limit is hidden / internal. Some Apple devs also noted something might be hard coded to be limited as well. Yes, we have our optimizations but we still need to keep our queries, use react, cache, etc... It's just a heavy web application. Request: Can you help us raise that limit? Are there some limitations in Webkit for such a need to terminate? As some devices have much higher RAM than before, we were hoping to be able to dynamically adjust the limit for the wkwebview before it resets. We contacted our internal contacts but they said to post here.
0
1
505
Jan ’25
How to confidently select one type of camera on iOS
We have a web application that uses high resolution images to validate the authenticity of products. For this purpose we want to use the best camera to make the high resolution camera, on iPhone Pro devices this camera is the ultra-wide angle camera. The issue we have is how to confidently select that camera from the list returned by navigator.mediaDevices.enumerateDevices. We can't use the device ID as it change every time (and for every user), we could use the camera name but the string is translate to the device language which is very problematic. We could also just select a specific item in the list but we are not sure that the order is preserved and it makes it hard to deal with other iPhone models that don't have that ultra wide angle camera. Selecting a specific camera looks like an essential feature not only for us. What is the best option, we are looking for something that is future proof and easily scalable.
0
0
422
Dec ’24
The tag displayed in native webview does not work in iPadOS 26 Beta
I'm creating an iPad app using Xcode 26 Beta 6. I have the following simple code and web page, but when I tap the file selection button, nothing appears. Do I need to add any additional code? code struct SwiftUIWebView: View { @State private var webPage = WebPage() private let url = URL(string: "https://www.xxxx.com/")! var body: some View { WebView(webPage) .onAppear { webPage.load(URLRequest(url: url)) } } } web page <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Test</title> </style> </head> <body> <div id="container"> <input type="file" /> </div> </body> </html>
Topic: Safari & Web SubTopic: General Tags:
0
0
331
Aug ’25
Safari Does Not Include topOrigin in WebAuthn clientDataJSON Despite crossOrigin: true
Hello, I’m working on a cross-origin WebAuthn implementation where a parent page embeds an iframe from a different origin to perform authentication. According to the WebAuthn Level 3 spec (Section 7.1.1), when crossOrigin is true, the clientDataJSON may include topOrigin—but Safari does not seem to populate this field. Observed Behavior: Chrome/Firefox: Include topOrigin in clientDataJSON when crossOrigin: true. Safari (macOS/iOS): Omits topOrigin even though crossOrigin is correctly set to true. Example clientDataJSON from Safari: { "type": "webauthn.get", "challenge": "...", "origin": "https://iframe-origin.example.com", "crossOrigin": true // Missing `topOrigin` (expected: parent origin) } Questions: Is this an intentional omission in Safari for privacy/security reasons? Are there specific requirements (e.g., HTTP headers, permissions policies) needed for Safari to expose topOrigin? Is there a known workaround to reliably obtain the top-level origin in cross-origin WebAuthn flows? System Info: Version 18.4 (20621.1.15.11.10) OS: Sequoia Version 18.4 (20621.1.15.11.10) Reproduction Steps: Parent page (https://parent.example.com) embeds an iframe (https://webauthn-rp.example.com). The iframe calls navigator.credentials.get() with a WebAuthn challenge. Safari returns clientDataJSON with crossOrigin: true but no topOrigin. Code Snippet (iframe): const credential = await navigator.credentials.get({ publicKey: { challenge: new Uint8Array(/* ... */), rpId: 'webauthn-rp.example.com', allowCredentials: [], hints: [], userVerification: "preferred", } }); console.log(JSON.parse(atob(credential.response.clientDataJSON))); Has anyone encountered this? Any insights would be greatly appreciated!
Topic: Safari & Web SubTopic: General
0
0
95
May ’25
Incorrect page zoom after pinch-to-zoom and orientation change on Bing search page
Steps to Reproduce: Open the Bing search page in Safari (example URL: https://www.bing.com/search?q=webkit&form=APIPH1&PC=APPL). Pinch-zoom in or out, then return the page to exactly 100% zoom. Rotate the device from portrait to landscape orientation. Observe that the page is incorrectly scaled to a value other than 100%. Rotate the device back to portrait orientation. The page remains at the incorrect zoom level. Expected Result: After returning the page to 100% zoom, changing orientation should keep the zoom level at exactly 100% in both portrait and landscape modes. Actual Result: After returning to 100% zoom, rotating to landscape changes the zoom to a non-100% value, and rotating back to portrait retains the incorrect zoom level.
Topic: Safari & Web SubTopic: General Tags:
0
0
112
Aug ’25
Apple Messages strips URL from HTML clipboard
Hi there, I use the Clipboard API to create formatted project links with a "copy link" button. This has been really versatile for end users. When they paste into their email, they get a hyperlinked project name that leads to the project, and when they paste into the URL bar, they just get the project URL. It used to be that pasting into Messages on Mac would yield the same behavior as pasting into the URL bar. But recently, Messages started only pasting the inner text of the HTML clipboard, so no URL, just the project name, which isn’t very useful for a copy link function. Is there any way to ensure that Messages pastes the URL while maintaining my formatting options on other surfaces?
0
0
358
Feb ’25
Issue with Safari and webserver with unencrypted HTTP traffic
We seem to be having an issue with a webservice here which is used within our network and IOS Safari. For the service to work , we need to access it with an unencrypted HTTP API call, which acts as a trigger. The server does not respond to HTTPS requests. (the HTTP API call does not contain any data that is privacy sensitive or that can be abused) Since recently the service does not seem to work anymore properly, but this only happens with Safari and IOS. With all other browsers the service is still working normally, only with Safarai it fails. No matter what I do in the settings of the phone, the Safar browser seems to stop immediately after the HTTP request. What is going on here ?? The issue seems to occur only when you don't have an iCloud+ account. With an iCloud+ account I get the same issue when you switch Apple Private Relay on, but that make sense. When I have Apple Private Relay switched off, there is no issue.
Topic: Safari & Web SubTopic: General
0
0
148
Feb ’25
Content overlapping address bar after clicking links in Safari with the one-tab bar enabled
Title: Content Overlapping Address Bar After Clicking Links in Safari, tested on iPhone 11 (iOS 18.1.1) Description: When browsing in Safari on iPhone (iOS 18.1.1), the one-tab bar (address bar) collapses as expected when scrolling down a page. However, after clicking on a link and loading the next page, the content appears to overlap the collapsed address bar. This results in parts of the content being hidden or obscured by the address bar, which affects the user experience, especially on mobile devices with limited screen space. This issue is reproducible on Next.js applications and can be observed on websites such as rotterdam.nl and halderberge.nl. Steps to Reproduce: Enable the One-Tab Bar: Go to Settings > Safari and enable the one-tab bar feature. Open the website rotterdam.nl or halderberge.nl in Safari on an iPhone 11 (iOS 18.1.1). Scroll down the page so that the top address bar collapses. Click on any link on the page to load a new one. Once the new page loads, observe that the content appears on top of the collapsed address bar, causing parts of the content to be hidden or obscured. Expected Result: The content should not overlap or be hidden behind the collapsed address bar after the page reloads. The layout should adjust properly without interference from the address bar, providing a smooth user experience. Actual Result: When the new page loads, the content overlaps or appears on top of the collapsed address bar, causing parts of the content to be hidden or obscured. Device(s) Affected: iPhone 11 running iOS 18.1.1. OS Version: iOS 18.1.1 Technical Notes: To address this issue, the following solutions have been attempted with no success: Viewport Meta Tag: <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" /> This was added to help ensure proper layout on mobile devices, but did not resolve the issue. CSS Safe Area Insets: body { padding-top: env(safe-area-inset-top); } This CSS rule was applied to account for the safe area and prevent content from being hidden under the address bar, but it did not solve the overlapping issue. Scroll Position Adjustment (for scroll-to-top button): Adjusting the scroll behavior by changing the scroll position to {top: 1} instead of {top: 0} was a successful workaround to keep the address bar collapsed when clicking the "scroll to top" button. However, this did not resolve the issue when navigating between pages or changing routes, where the content still overlaps the collapsed address bar.
0
2
507
Feb ’25
Why does NSURLSession with Multipath entitlement seamlessly switch to cellular when on a hardware Wi-Fi with no internet, but WKWebView does not?
正文:大家好, 当设备连接到没有互联网的 Wi-Fi SSID(例如,硬件设备的 AP)时,我看到 NSURLSession(multipathServiceType = NSURLSessionMultipathServiceTypeInteractive)和 WKWebView 之间的行为存在令人费解的差异。我正确启用了多路径授权,在这种情况下: NSURLSession 请求会自动回退到蜂窝网络并成功(无需用户干预,快速切换)。 WKWebView 加载失败或停滞:Web 内容未出现,即使系统网络路径得到满足并确认了真正的 Internet 可访问性,Web 视图似乎也没有使用蜂窝路径。 环境: iOS 版本:(例如 iOS 18.4) 设备:(例如 iPhone 15 Pro) 多路径权利:在应用程序中启用,使用 NSURLSessionMultipathServiceTypeInteractive 连接的 SSID:硬件设备 Wi-Fi,无需外部互联网 预期回退:一旦 Wi-Fi 没有互联网,就会自动到蜂窝网络,如 NSURLSession 所观察到的那样 我做了什么/观察到什么: 使用多路径的 NSURLSession 按预期工作:NSURLSessionConfiguration *cfg = [NSURLSessionConfiguration defaultSessionConfiguration];cfg.multipathServiceType = NSURLSessionMultipathServiceTypeInteractive;NSURLSession *session = [NSURLSession sessionWithConfiguration:cfg];NSURLRequest *req = [NSURLRequest requestWithURL:[NSURL URLWithString:@“https://www.apple.com/library/test/success.html”]];NSURLSessionDataTask *task = [session dataTaskWithRequest:req completionHandler:^(NSData *data, NSURLResponse *resp, NSError *err) { NSLog(@“NSURLSession result: %@, error: %@”, resp, err); }];[任务简历];连接到设备 Wi-Fi(无外部 Internet)时,会话会悄悄地切换到手机网络并成功完成。 相同情况下WKWebView加载失败:[self.webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@“https://www.apple.com/library/test/success.html”]]];Web 视图要么显示负载失败,要么只是挂起,即使较低级别的监视报告网络路径已满足并且真正的 Internet 连接可用。 网络路径监控逻辑: 我使用 C API nw_path_monitor来监视nw_path_status_satisfied。 一旦观察到满意,我就会使用nw_connection(例如,连接 tohttps://www.apple.com/library/test/success.html)执行真正的连接检查,以验证真实的互联网流量是否可以通过蜂窝网络流动。 该检查通过,确认回退到手机网络,但 WKWebView 仍不会加载内容。同时,相同条件下的 NSURLSession 请求会立即成功。 示例日志记录跟踪:[+] nw_path_status_satisfied=1, hasWiFi=1, hasCellular=1 [+] Internet 连接测试:准备就绪(通过 nw_connection) [-] WKWebView 加载失败/停滞 [+] NSURLSession 请求成功完成 问题: 为什么当 Wi-Fi 没有 Internet 时,具有多路径服务类型的 NSURLSession 无缝使用蜂窝网络,但 WKWebView 不表现出相同的回退行为?WKWebView 是否不以相同的方式接受系统的多路径回退?在这种情况下,它是否使用不同的网络堆栈或忽略多路径授权? 是否有一种受支持的方法可以强制 WKWebView 像 NSURLSession 一样运行? 例如,我是否可以通过启用多路径的 NSURLSession 桥接内容,并通过自定义方案将其注入 WKWebView? 是否有任何 WKWebView 配置标志、首选项或策略启用相同的自动接口切换? 与原始 NSURLSession 相比,WKWebView 处理网络接换、路径满意度或多路径的方式是否存在已知限制或记录在案的差异? 我排除/尝试过的: 已验证多路径授权是否包含且处于活动状态。 确认的网络路径“满足”,并且在调用 [webView loadRequest:] 之前,真正的 Internet 可访问性成功。 将 WKWebView 加载延迟到连接验证之后。 观察到 NSURLSession 请求在相同的连接条件下成功。 任何对内部差异、推荐的解决方法或 Apple 推荐的模式的见解,以使 Web 内容在“没有互联网的 Wi-Fi”+ 自动回退到蜂窝场景中变得健壮,我们将不胜感激。 谢谢!
Topic: Safari & Web SubTopic: General
0
0
110
Aug ’25
Failing Network Requests in Safari due to DNS cache.
We are seeing network errors in Outlook mail on iOS and MacOS safari browsers. As per current investigation, we notice these network error when the user tries to use outlook after leaving it open on Safari for a while. Observations: Issue present in both MacOS and iOS safari. Issue is not present in other webkit browsers like brave and edge on iOS. Issue is reproable on both mini and big owa on safari browser. Issue is not related to post requests being sent in different packets on safari browser. Requests are only blocked for outlook.office/outlook.live domains What does not fix this issue? Reloading the application Clearing cookie, local storage or session storage Unregistering service workers Redirecting to a different page and coming back to outlook domain Re authenticating the users What fixes this issue? Reconnecting to wifi or mobile network Reconnecting vpn Removing safari from background and reopening Flushing the dns in setting
0
2
141
Mar ’25
Embedded Power BI reports crashes in mobile layout using iOS
We're embedding the Power BI reports into our portal by using JS library. While testing them, we found that mobile layout of the reports don't work as we expect on iOS devices (tested in Chrome and Safari). There are two principals issues: 1) the site is automatically refreshed when the users filter the data (we reduced them to lower expression) and 2) the site also crashes after a while using the dashboard by applying different filters.
0
0
56
Mar ’25
PointerEvents on Safari on iPad with Apple Pencil Pro
Hi, I would like to share a finding and ask for a solution, if possible. This may be a potential bug with PointerMoveEvent on Safari on an iPad with Pencil Pro. I tested onPointerMove and onTouchMove in a <canvas> element in a React web app for freehand drawing using Mouse on a PC. Finger touch on iPad Apple pencil pro on iPad Finger touch on iPhone I was able to draw smooth curves in all cases except when using onPointerMove with Apple pencil pro on iPad. The curve drawn in this case looked like it was created using several straight-line segments. It seems like the sampling rate for PointerMoveEvent is lower than that of TouchMoveEvent on Safari I am not sure how to solve this problem or if it is an issue with Safari's interpretation of PointerEvents. Any input is greatly appreciated. Edit: It seems like https://developer.apple.com/forums/thread/689375 is related.
0
0
269
Mar ’25