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Custom WkWebsiteDatastore
Hey team, I've integrated custom WkWebsiteDatastore to manage profiling for different sessions. upon testing the WkWebsiteDataStore as its mentioned to be persistent But The storage can be accessed via identifier, But the session data in storage is absent, such as cookies caches all are cleared when app is relaunched is it the default behavior to be expected or there is some property missing causing the session data to be removed from storage.
Topic: Safari & Web SubTopic: General Tags:
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66
Mar ’25
oAuth Error using Apple SignIn
Hello, We are setting up Apple Sign In in one of our non production websites but we keep getting a "oauth code says expired or revoked" error. We have created a brand new service ID and key for this but are still getting this error.
Topic: Safari & Web SubTopic: General
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169
Aug ’25
Repeated Camera Permission Prompts in Web App on Safari (iOS)
Hi everyone, We're building a web application using Next.js that captures around 40 images across different routes as part of a guided user flow. At the beginning of the process, we explicitly request camera permission using navigator.mediaDevices.getUserMedia(...), and the user grants it successfully. However, as users proceed through the flow (navigating between routes), Safari on iOS intermittently re-prompts for camera access—despite the initial permission already being granted and the origin (domain) remaining unchanged. This repeated prompting interrupts the user experience significantly. What we’ve tried: Ensuring camera access is requested only once and reused where possible. Using persistent media stream across routes (where feasible). Testing across different iOS versions to confirm consistency. Questions: Is there a known workaround or best practice to persist camera access across route transitions in a SPA/PWA context on iOS? Are there any Safari-specific behaviors or restrictions related to WebRTC / getUserMedia we should be aware of? Would embedding the camera view in an iframe or maintaining a persistent component help avoid re-prompting? Any guidance or shared experience would be greatly appreciated. Thanks in advance!
Topic: Safari & Web SubTopic: General
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73
Jun ’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
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137
Aug ’25
WebKit Null pointer WebPageProxy::updateActivityState on iOS 17
We are using WebKit in our app and recently started noticing a crash occurring on iOS 17 and earlier versions. The crash log shows the following error: Thread 0 Crashed: 0 WebKit 0x00000001a38593cc WebKit::WebPageProxy::updateActivityState(WTF::OptionSet<WebCore::ActivityState>) + 220 (WebPageProxy.cpp:2544) 1 WebKit 0x00000001a39cb1e0 WebKit::WebPageProxy::dispatchActivityStateChange() + 132 (WebPageProxy.cpp:2653) 2 WebKit 0x00000001a3f541f8 WTF::Detail::CallableWrapper<WebKit::WebPageProxy::scheduleActivityStateUpdate()::$_5::operator()() const::'lambda'(), void>::call() + 52 (Function.h:53) 3 JavaScriptCore 0x00000001a48317ec void WTF::dispatchWorkItem<WTF::(anonymous namespace)::DispatchWorkItem>(void*) + 60 (WorkQueueCocoa.cpp:48) 4 libdispatch.dylib 0x00000001964f5dd4 _dispatch_client_callout + 20 (object.m:576) 5 libdispatch.dylib 0x00000001965045a4 _dispatch_main_queue_drain + 988 (queue.c:7898) 6 libdispatch.dylib 0x00000001965041b8 _dispatch_main_queue_callback_4CF + 44 (queue.c:8058) 7 CoreFoundation 0x000000018e623710 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16 (CFRunLoop.c:1780) 8 CoreFoundation 0x000000018e620914 __CFRunLoopRun + 1996 (CFRunLoop.c:3149) 9 CoreFoundation 0x000000018e61fcd8 CFRunLoopRunSpecific + 608 (CFRunLoop.c:3420) 10 GraphicsServices 0x00000001d34d01a8 GSEventRunModal + 164 (GSEvent.c:2196) 11 UIKitCore 0x0000000190c5890c -[UIApplication _run] + 888 (UIApplication.m:3713) 12 UIKitCore 0x0000000190d0c9d0 UIApplicationMain + 340 (UIApplication.m:5303) After investigating, we found that this crash was addressed in this https://github.com/WebKit/WebKit/pull/24778 WebKit PR. However, our app is still crashing for users on older iOS versions where this fix is not available. Is there a known workaround to prevent this crash on affected iOS versions? Any guidance would be greatly appreciated.
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Feb ’25
Details of SFExtensionProfileKey?
Hi, I’m working with the SFExtensionProfileKey in my Safari Web Extension. As I understand it, this key is to get the UUID of the profile currently in use. However, it seems to be missing (no key in userInfo) when the default profile is active. Also, I haven’t found any API to get a profile’s human-readable name or list all available profiles. Could someone clarify: If the value of SFExtensionProfileKey is absent, can I safely assume the default profile is in use? Is there a supported way to get a profile’s display name? Does Safari expose an API for getting all profiles? Thanks in advance for your insights!
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118
May ’25
Is the branded email feature available in France? What is the timeline?
Hello, I followed the instructions to set up a custom logo for our domain name Allogarage.fr, both for the brand and the domain. Everything appears to be correctly configured in Apple Business backend for several weeks now, but the logo still doesn’t show up in Mail. Is the branded email feature available in France? Are there any additional steps required?
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117
Jun ’25
Do page img-src CSPs apply to Safari WebExtension content scripts injected HTML img tag?
I am currently developing a Chrome, Firefox and Safari web extension, and I am facing a CSP issue on the content script on Safari. The extension I develop has a content script that injects an img tag in the DOM of web pages the user is visiting. That img tag fetches its content at a specific URL. On Chrome and on Firefox, the img tag content fetches the content at the URL with no issue on every web pages, including those that set the CSP header img-src. On Safari, I'm getting the following error on web sites that set the img-src CSP header: Refused to load https://axxlfrmnpq.cloudimg.io/www.macifavantages.fr/wp-content/uploads/2021/06/Garmin-logo.png?func=bound&w=225&h=113 because it does not appear in the img-src directive of the Content Security Policy. Here is the actual CSP img-src header content of the web page where, on Safari, the injected img tag does not load the content at https://axxlfrmnpq.cloudimg.io/www.macifavantages.fr/wp-content/uploads/2021/06/Garmin-logo.png?func=bound&w=225&h=113: Content-Security-Policy: img-src https://secure.adnxs.com https://www.facebook.com https://.garmin.cn 'self' data: .garmin.com .trustarc.com .truste.com https://static.garmincdn.com https://www.google.com https://www.google.co.uk https://prefmgr-cookie.truste-svc.net https://res.cloudinary.com https://res.garmin.com https://.criteo.com https://.doubleclick.net https://www.googleadservices.com https://px.adentifi.com https://rtb.adentifi.com https://.teads.tv https://www.googletagmanager.com https://bat.bing.com https://.yahoo.com https://sync.outbrain.com https://*.google-analytics.com https://stats.g.doubleclick.net https://static.hotjar.com https://script.hotjar.com .akamaihd.net https://.tealiumiq.com https://deploytealium.com https://pixel.mediaiqdigital.com; My question is, is the page CSP blocking the img tag injected in the web page by the extension's content script? If so, is this behavior documented somewhere, or is it a Safari bug? I saw there is a similar post on the forum, but I couldn't find if the issue is a bug or if it's the expected behavior on Safari: https://developer.apple.com/forums/thread/651542?login=true. Thank you very much for your help.
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584
Feb ’25
Safari Web Extension service_worker failed to load
I built and extension for chrome, edge, and firefox. I'm porting the chrome extension to safari using the safari-web-extension-converter tool. This has worked successfully and I was able to publish my extension to the app store. I made some updates to the service worker code recently and I'm now being hit with an error when trying to load my unsigned extension into safari: The service_worker script failed to load due to an error. I've looked online at some other forums and haven't found anything helpful around how to debug this kind of error. Because the service worker is non-persistent in safari, I don't have access to the console logs of the service worker through the Develop > Web Extension Background Context menu. Has anyone successfully debugged this kind of error? Are there logs I can pull directly from safari that would help me here? Thanks in advance for the help!
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321
Feb ’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
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Mar ’25
WebKit's `decidePolicy` breaking change in iOS 18.5 + Xcode 16.4
It seems that in iOS 18.5+ built with Xcode 16.4+, there has been a breaking change since 18.4 with 16.3 within WebKit and how the navigationAction.sourceFrame property is initialized when implementing the decidePolicy delegate method. The flow goes: Implement a WKNavigationActionDelegate with decidePolicy Call WKWebView.loadHTMLString("some-string", baseURL: nil) Upon loading the HTML content, read the value of navigationAction.sourceFrame within the decidePolicy method of the WKNavigationActionDelegate On iOS 18.4 (and below) with Xcode 16.3 (and below); navigationAction.sourceFrame is <uninitialized> On iOS 18.5+ with Xcode 16.4+: navigationAction.sourceFrame is already initialized and is equal to navigationAction.targetFrame It appears that this change was made between minor versions of Xcode and is unexpected behavior of a minor version. Not only was this not called out in the release notes for Xcode 16.4 and iOS 18.5, but it's technically also a breaking change to the WebKit API. Can we get insight on why this change was made and what Apple's policy is on breaking changes between minor versions of Xcode/iOS?
Topic: Safari & Web SubTopic: General Tags:
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308
Jul ’25
Mailto href is not working in iOS 18.3.2
Hi Team, I'm using the simple mailto functionality in the demo page and when I tested the same via Safari mailto functionality is not working. However, the same feature is working as expected via Chrome. Demo: https://jsfiddle.net/xut0ed4y/ Kindly help.me to resolve this issue.
Topic: Safari & Web SubTopic: General Tags:
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279
Mar ’25
Parse error in WebAssembly code only in Safari
I have compiled some Java code to WebAssembly via TeaVM and wrapped it in a PWA. The resulting code runs nicely in Firefox and Chrome but throws an exception in Safari. CompileError: WebAssembly.Module doesn't parse at byte 1657: invalid extended GC op 24, in function at index 2251 Can anybody tell me what's wrong with that code? I mean it can't be so bad if Firefox and Chrome can parse and run it without problems. I am using the most recent versions of all browsers and the offending code can be found here: Run the demo via: https://mpmediasoft.de/demos/Emmentaler/Emmentaler-Demo-TeaVM-Wasm/index.html The offending wasm file is: https://mpmediasoft.de/demos/Emmentaler/Emmentaler-Demo-TeaVM-Wasm/tvw/ModelBridgeTeaVM.wasm With Safari the demo just shows some empty space instead of a complex polygon. You can see the error in the javascript console of Safari.
Topic: Safari & Web SubTopic: General
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417
Jul ’25
Displaying spatial photos and videos on web pages in Safari
Cross posting from Spatial Computing, apologies if this is not the appropriate forum. The purpose is to create a simple web-based gallery of spatial photos and videos using static html files. I have successfully displayed spatial photos using the img tag and IMG.heic files. I can tap and hold the image to bring up the contextual menu and from there select View Spatial Photo. Is there any way to add a control to the image, like a link or overlay on the image itself, that a user can simply tap to show the image in 3D? And how to host a (small!) video file on a web page without going through a CDN/streaming service? Sample html would be much appreciated.
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659
Jan ’26