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PAC ( Automatic Proxy Configuration ) Script Not working with Safari MacOS version 15.1
We have written a PAC script that blocklists certain domains and whitelists others. We went to Settings > Network > Wi-Fi (the network we are using), then clicked on Details, and under Proxies, we added the PAC file URL in the Automatic Proxy Configuration section. We tried hosting the PAC file both on localhost and on a separate HTTP server. After saving the settings, we tested several URLs. The blocking and allowing behavior works correctly in all browsers except Safari. Below is the PAC script we are using for your reference. The script works as expected in browsers other than Safari. This is how the PAC script URL looks: http://localhost:31290/proxy.pac function FindProxyForURL(url, host) { var blacklist = new Set(["facebook.com", "deepseek.com"]); var b_list = [...blacklist]; for (let i = 0; i < b_list.length; i++) { let ele = b_list[i] + "*"; if (shExpMatch(host, ele) || shExpMatch(url, ele)) { return "PROXY localhost:8086"; } } if (isIPBlocked(whitelist_subnet, hostIP)) { return "PROXY localhost:8087"; } if (isIPBlocked(blacklist_subnet, hostIP)) { return "PROXY localhost:8086"; } return "PROXY localhost:8080"; }
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420
Jul ’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.
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170
May ’25
Video takes me to private screen
Hello, ive been dealing with this glitch all year that hasnt happened last year. When I watch a video on public safari and then it exit the video it immediately takes me to the private tab but when I go on the private tab to watch videos and exit out it takes me back to the website just like normal. Its a pretty annoying bug and I watch all my videos in the private tab because of it
Topic: Safari & Web SubTopic: General
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76
May ’25
ios26 Safari Web Extension for enterprice distribution:
Safari Web Extension for enterprice distribution: If I press run button on xcode it shows the safari web extension toggle and works perfect When installed through exported ipa, the web extension toggle dissapears, it doesnt matter how it was installed through mdm, link, or directly ipa from xcode I just exported an ipa as debugging and it worked when I pushed the ipa
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354
Sep ’25
The top of the body pages on my website is cut off on ios
Hello, When I view my website (lasaluade) on iphone or ipad the top of my page bodies are cut off (3-4 first lines). However, on PC, Mac or Android everything is OK (see screenshots). For the record, I built this site with Wordpress and Divi Builder, and I've the same result on Safari and Chrome. Not being a developer, I don't know where to look (I just think it's iOS-related). Have you already had this problem? Do you have any ideas? Thanks for your help!
Topic: Safari & Web SubTopic: General
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38
Apr ’25
Safari falsely flags our secure site (outdoorgala.com) as deceptive — how to request a review
Hi Apple Devs & WebKit Team, We operate https://outdoorgala.com — a verified, HTTPS-secure Canadian ecommerce site focused on elite outdoor safety gear. We're Indigenous-owned, based in Alberta, and take customer trust and compliance seriously. However, Safari (iOS + macOS) is falsely flagging our site as “deceptive,” preventing customers from accessing us — even though: We use GoDaddy Website Builder with no redirections or malware All product links are clean, HTTPS-secure, and tracked ethically We recently implemented a fully compliant cookie banner (Accept/Decline logic) A public security.txt and OpenPGP key has been published: https://outdoorgala.com/security No phishing, malware, or cloaking behavior exists on the site We’ve already submitted a review via: ➡️ https://websitereview.apple.com And filed a bug report via Feedback Assistant (FB17608544) What else can be done to speed up review or get flagged domains unblocked in Safari? This is hurting our business and blocking consumer access — despite following all Apple guidelines. Would appreciate any insights or escalation tips. Thank you! – Derek Eiteneier Founder, Outdoor Gala
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339
May ’25
False positive 'Deceptive Website' warning for personal domain
Hi everyone, i'm running into a problem with my personal domain being flagged as 'deceptive website' in safari, and i can't figure out how to fix it Domain: neon0404.space This is just my personal domain - i use it for adguard home, vaultwarden, some test stuff, sometimes small web tools for friends or family Nothing illegal or malicious has ever been hosted there On july 6, i launched a very simple web utility for a friend when he opened it on ios safari, he got the red 'deceptive website warning' I checked this on other different devices - all got the same warning The next day (july 7) i submitted a review request via websitereview.apple.com, but got no reply I did some digging and found that safari safe browsing daemon pulls data from google safe browsing, tencent safe browsing, and some apple's internal lists So, going one-by-one https://transparencyreport.google.com/safe-browsing/search showed up that domain is flagged for something shady Signed up in google search console and saw my domain was flagged for 'malware links' (with no related urls listed), so looked like a false positive I audited everything related to this domain on august 5 - nothing suspicious Next day i requested a review in Google Search Console, just next day Google confirmed that everything is ok and removed the flag So, i thought, maybe this was the key and requested another review via websitereview.apple.com (august 7) No reply, domain still flagged While i was waiting, i checked domain in Tencent (https://urlsec.qq.com/check.html) - no issues Other services like VirusTotal, Norton and Sucuri showed up same result - no issues I attempted to contact regular support (even though it's not their area of responsibility), but just in case They, as expected, couldn't do anything At this point it feels like a dead end, so i'm here Has anyone been through this before? Is there any other way to escalate the review process with apple? Really appreciate any advice, as this domain is personal and linked to my username, which i want to use later
Topic: Safari & Web SubTopic: General Tags:
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775
Aug ’25
WKWebView Entitlements
Hi all, I'm developing an application that uses WKWebView to display a web application which I augment with iOS native utilities such as Speech to Text and IAP. The application also uses Service workers, so we define AppBound Domains in the info.plist file. Everything works for this, but when we deploy on a device the application will crash and say we need these entitlements com.apple.developer.web-browser-engine.networking, com.apple.developer.web-browser-engine.rendering, com.apple.developer.web-browser-engine.webcontent, com.apple.runningboard.assertions.webkit From what I can see, we do need all of them. However Apple suggest submitting a request to be an Altnerative Browser (https://developer.apple.com/support/alternative-browser-engines) This is not appropriate for the application in my view since one requirement of being an alternative browser is that you don't modify the resources on the web site - we of course do since we inject javascript in order to bridge between iOS and the contents of the webview. How are people navigating this issue? I assumed it would be common given the use of Tauri etc. to build similar types of applications, but I don't see much about it. Thank you!
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142
May ’25
When using WebAuthn with WKWebView
WebAuthn can be used in Safari, but when using it with WKWebView, you need to set the default browser definition (com.apple.developer.web-browser). Is this correct? Also, is it possible that the terms of use will change or that it will no longer be available in WKWebView in the future?
Topic: Safari & Web SubTopic: General
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315
Aug ’25
iOS 26 crash – CALayer position contains NaN when selecting text / showing magnifier / selecting Image's Text in WKWebView
Environment • Device: any iPhone running iOS 26 Developer Beta 5 (23A5308g) • Xcode: 16.3 Short description The app crashes the moment the user tries to long-press to select text inside a WKWebView, double-tap an image with Text (magnifier appears) The exception is CALayer position contains NaN. frame = (nan,0;0,48) chorPoint=(inf, 0) and it is thrown in the UI process. Build & run any project that hosts a WKWebView. Inject the following CSS via script (this is what we do to suppress the native callout menu): WKWebView *webView = [[WKWebView alloc] initWithFrame:self.view.bounds configuration:[WKWebViewConfiguration new]]; NSString *js = @"document.documentElement.style.webkitUserSelect='none';" "document.documentElement.style.webkitTouchCallout='none';"; [webView evaluateJavaScript:js completionHandler:nil]; [self.view addSubview:webView]; Incident Identifier: EE6FB046-5087-4F15-A72D-A74965347A30 CrashReporter Key: 29e8e58e02a07557adb4ce3f463d764f3ce8bbd5 Hardware Model: iPhone16,1 Process: wallet [642] Path: /private/var/containers/Bundle/Application/4B4E609A-C8BF-4C56-AB2A-1638249B98A5/wallet.app/wallet Identifier: xxxxxxx Version: xxxx AppStoreTools: 16F7 AppVariant: 1:iPhone16,1:18 Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd [1] Coalition: xxxxxx Date/Time: 2025-08-06 12:05:24.0732 +0800 Launch Time: 2025-08-06 11:49:40.3802 +0800 OS Version: iPhone OS 26.0 (23A5308g) Release Type: Beta Baseband Version: 3.02.02 Report Version: 104 Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Termination Reason: SIGNAL 6 Abort trap: 6 Terminating Process: wallet [642] Triggered by Thread: 0 Application Specific Information: abort() called Thread 0 Crashed: 0 libsystem_kernel.dylib 0x22da0f0cc __pthread_kill + 8 1 libsystem_pthread.dylib 0x1e097b7e8 pthread_kill + 268 2 libsystem_c.dylib 0x191361f1c abort + 124 3 libc++abi.dylib 0x182e7a808 __abort_message + 132 4 libc++abi.dylib 0x182e69484 demangling_terminate_handler() + 304 5 libobjc.A.dylib 0x182d7bf28 _objc_terminate() + 156 6 wallet 0x1068ff8c8 0x1046f4000 + 35698888 7 libc++abi.dylib 0x182e79bdc std::__terminate(void (*)()) + 16 8 libc++abi.dylib 0x182e7d314 __cxxabiv1::failed_throw(__cxxabiv1::__cxa_exception*) + 88 9 libc++abi.dylib 0x182e7d2bc __cxa_throw + 92 10 libobjc.A.dylib 0x182d7992c objc_exception_throw + 448 11 CoreFoundation 0x185e908d4 +[NSException raise:format:] + 128 12 QuartzCore 0x18678a874 CA::Layer::set_position(CA::Vec2<double> const&, bool) + 160 13 QuartzCore 0x1869a7270 -[CALayer setPosition:] + 52 14 UIKitCore 0x18c4ac564 -[UIView _backing_setPosition:] + 176 15 UIKitCore 0x18cefdf0c -[UIView setCenter:] + 220 16 UIKitCore 0x18cd9f794 -[_UIEditMenuContentPresentation _displayPreparedMenu:titleView:reason:didDismissMenu:configuration:] + 936 17 UIKitCore 0x18cd9f3c0 __54-[_UIEditMenuContentPresentation _displayMenu:reason:]_block_invoke + 104 18 UIKitCore 0x18ced1060 -[UIEditMenuInteraction _editMenuPresentation:preparedMenuForDisplay:completion:] + 384 19 UIKitCore 0x18cd9f2e4 -[_UIEditMenuContentPresentation _displayMenu:reason:] + 304 20 UIKitCore 0x18cd9f0d8 -[_UIEditMenuContentPresentation displayMenu:configuration:] + 64 21 UIKitCore 0x18ced0344 __58-[UIEditMenuInteraction presentEditMenuWithConfiguration:]_block_invoke + 260 22 UIKitCore 0x18ced1f8c __80-[UIEditMenuInteraction _prepareMenuAtLocation:configuration:completionHandler:]_block_invoke + 80 23 UIKitCore 0x18cc8403c __109-[UITextContextMenuInteraction _editMenuInteraction:menuForConfiguration:suggestedActions:completionHandler:]_block_invoke + 180 24 UIKitCore 0x18cc84584 __107-[UITextContextMenuInteraction _querySelectionCommandsForConfiguration:suggestedActions:completionHandler:]_block_invoke + 148 25 WebKit 0x1a05ae5d4 WTF::CompletionHandler<void (WebKit::DocumentEditingContext&&)>::operator()(WebKit::DocumentEditingContext&&) + 64 26 WebKit 0x1a05bb468 WTF::Detail::CallableWrapper<WTF::CompletionHandler<void (IPC::Connection*, IPC::Decoder*)> IPC::Connection::makeAsyncReplyCompletionHandler<Messages::WebPage::RequestDocumentEditingContext, WTF::CompletionHandler<void (WebKit::DocumentEditingContext&&)>>(WTF::CompletionHandler<void (WebKit::DocumentEditingContext&&)>&&, WTF::ThreadLikeAssertion)::'lambda'(IPC::Connection*, IPC::Decoder*), void, IPC::Connection*, IPC::Decoder*>::call(IPC::Connection*, IPC::Decoder*) + 196 27 WebKit 0x19fcf5db8 WTF::Detail::CallableWrapper<WebKit::AuxiliaryProcessProxy::sendMessage(WTF::UniqueRef<IPC::Encoder>&&, WTF::OptionSet<IPC::SendOption>, std::__1::optional<IPC::ConnectionAsyncReplyHandler>, WebKit::AuxiliaryProcessProxy::ShouldStartProcessThrottlerActivity)::$_1, void, IPC::Connection*, IPC::Decoder*>::call(IPC::Connection*, IPC::Decoder*) + 64 28 WebKit 0x19fce54f0 IPC::Connection::dispatchMessage(WTF::UniqueRef<IPC::Decoder>) + 340 29 WebKit 0x19fcf5aa0 IPC::Connection::dispatchIncomingMessages() + 536 30 JavaScriptCore 0x19a8f85d4 WTF::RunLoop::performWork() + 552 31 JavaScriptCore 0x19a8f838c WTF::RunLoop::performWork(void*) + 36 32 CoreFoundation 0x185da6230 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28 33 CoreFoundation 0x185da61a4 __CFRunLoopDoSource0 + 172 34 CoreFoundation 0x185d83c6c __CFRunLoopDoSources0 + 232 35 CoreFoundation 0x185d598b0 __CFRunLoopRun + 820 36 CoreFoundation 0x185d58c44 _CFRunLoopRunSpecificWithOptions + 532 37 GraphicsServices 0x224ce0498 GSEventRunModal + 120 38 UIKitCore 0x18b6c84b8 -[UIApplication _run] + 792 39 UIKitCore 0x18b66cbc0 UIApplicationMain + 336 40 wallet 0x1046f8558 0x1046f4000 + 17752 41 dyld 0x182dcdb18 start + 6332
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339
Aug ’25
ProofPoint has blocked our IP for a year - am at wits end
Hello all, As you may know, the company ProofPoint is an Apple partner, and is engaged (I think) to reduce misuse of icloud emails. We have two servers solely set up for our web-app, which is a specialised forum for apartment owners. The new servers were established about the same time, with the same provider, with clean new IP addresses - and as mentioned above, are only used for this web-app. During a testing phase a YEAR ago, we became aware that our in-house icloud emails weren't receiving notifications via the app, and further investigations revealed that the cause was that ProofPoint had placed a block on that server's IP. We immediately, via their website form initiated a Support Ticket, which, the site indicated was lodged, BUT we have never received any response to that Ticket, nor have we received any response to four subsequent Tickets we initiated - nothing. In over a year!! Yesterday, we contacted Apple support, but the devices area of support is the main section and they said it wasn't an issue they could assist with. Some relevant matters: SPF: DKIM: DMARC: are, I believe all configured correctly (and Gmail gives a PASS to all of them). The IP is not blacklisted by any list we are aware of. Our other server's IP isn't blocked by ProofPoint. So, literally at wits end, I'm reaching out to the developer subscribers here to see if they have any suggestions for us. We currently are unable to accept any new subscriber that is using an icloud email address, and that's an absurd situation to be in. Surely we don't have to go to the trouble and inconvenience of obtaining a new IP because of this!!! But when we can't get ANY response to the Support Tickets, it's really hard. Thanks
Topic: Safari & Web SubTopic: General
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516
Sep ’25
App crashed when click the selected content on HTML with custom font-family
Crash Stack: thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BREAKPOINT (code=1, subcode=0x19ba3bb04) frame #0: 0x000000019ba3bb04 CoreFoundation`forwarding.cold.2 + 92 frame #1: 0x000000019b8ab718 CoreFoundation`forwarding + 1288 frame #2: 0x000000019b8ab150 CoreFoundation`_CF_forwarding_prep_0 + 96 frame #3: 0x000000019df230b0 CoreText`TCFRef<CTRun*>::Retain(void const*) + 40 frame #4: 0x000000019e052050 CoreText`CreateFontWithFontURL(__CFURL const*, __CFString const*, __CFString const*) + 476 frame #5: 0x000000019e052874 CoreText`TCGFontCache::CopyFont(__CFURL const*, __CFString const*, __CFString const*) + 144 frame #6: 0x000000019df27dcc CoreText`TBaseFont::CopyNativeFont() const + 232 frame #7: 0x000000019df8ee64 CoreText`TBaseFont::GetInitializedGraphicsFont() const + 152 frame #8: 0x000000019df26d70 CoreText`TBaseFont::CopyVariationAxes() const + 296 frame #9: 0x000000019df2d148 CoreText`TDescriptor::InitBaseFont(unsigned long, double) + 768 frame #10: 0x000000019df21358 CoreText`TDescriptor::CreateMatchingDescriptor(__CFSet const*, double, unsigned long) const + 604 frame #11: 0x000000019df251f8 CoreText`CTFontCreateWithFontDescriptor + 68 frame #12: 0x00000001bff8dfb8 WebCore`WebCore::createCTFont(__CFDictionary const*, float, unsigned int, __CFString const*, __CFString const*) + 124 frame #13: 0x00000001bff8e8bc WebCore`WebCore::FontPlatformData::fromIPCData(float, WebCore::FontOrientation&&, WebCore::FontWidthVariant&&, WebCore::TextRenderingMode&&, bool, bool, std::__1::variant<WebCore::FontPlatformSerializedData, WebCore::FontPlatformSerializedCreationData>&&) + 228 frame #14: 0x00000001c128eef4 WebKit`IPC::ArgumentCoder<WebCore::Font, void>::decode(IPC::Decoder&) + 1352 frame #15: 0x00000001c1333ca4 WebKit`std::__1::optional<WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>> IPC::ArgumentCoder<WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>, void>::decodeIPC::Decoder(IPC::Decoder&) + 480 frame #16: 0x00000001c1333a5c WebKit`std::__1::optional<WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>> IPC::Decoder::decode<WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>>() + 28 frame #17: 0x00000001c1333804 WebKit`std::__1::optional<std::__1::pair<WebCore::AttributedString::Range, WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>>> IPC::Decoder::decode<std::__1::pair<WebCore::AttributedString::Range, WTF::HashMap<WTF::String, WebCore::AttributedString::AttributeValue, WTF::DefaultHashWTF::String, WTF::HashTraitsWTF::String, WTF::HashTraitsWebCore::AttributedString::AttributeValue, WTF::HashTableTraits>>>() + 156 frame #18: 0x00000001c121f368 WebKit`IPC::ArgumentCoder<WebCore::AttributedString, void>::decode(IPC::Decoder&) + 172 frame #19: 0x00000001c121f124 WebKit`std::__1::optionalWebCore::AttributedString IPC::Decoder::decodeWebCore::AttributedString() + 28 frame #20: 0x00000001c12594ec WebKit`IPC::ArgumentCoder<WebCore::DictionaryPopupInfo, void>::decode(IPC::Decoder&) + 76 frame #21: 0x00000001c12d0660 WebKit`std::__1::optionalWebCore::DictionaryPopupInfo IPC::Decoder::decodeWebCore::DictionaryPopupInfo() + 28 frame #22: 0x00000001c12ceef0 WebKit`IPC::ArgumentCoder<WebKit::WebHitTestResultData, void>::decode(IPC::Decoder&) + 1292 frame #23: 0x00000001c1338950 WebKit`std::__1::optionalWebKit::WebHitTestResultData IPC::Decoder::decodeWebKit::WebHitTestResultData() + 28 frame #24: 0x00000001c1ec7edc WebKit`WebKit::WebPageProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 31392 frame #25: 0x00000001c1fb8f28 WebKit`IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 272 frame #26: 0x00000001c19ab2c0 WebKit`WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 44 frame #27: 0x00000001c1fb3254 WebKit`IPC::Connection::dispatchMessage(WTF::UniqueRefIPC::Decoder) + 252 frame #28: 0x00000001c1fb3768 WebKit`IPC::Connection::dispatchIncomingMessages() + 576 frame #29: 0x00000001b9ab90c4 JavaScriptCore`WTF::RunLoop::performWork() + 204 frame #30: 0x00000001b9ab9fec JavaScriptCore`WTF::RunLoop::performWork(void*) + 36 frame #31: 0x000000019b8cc8a4 CoreFoundation`CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION + 28 frame #32: 0x000000019b8cc838 CoreFoundation`__CFRunLoopDoSource0 + 176 frame #33: 0x000000019b8cc59c CoreFoundation`__CFRunLoopDoSources0 + 244 frame #34: 0x000000019b8cb138 CoreFoundation`__CFRunLoopRun + 840 frame #35: 0x000000019b8ca734 CoreFoundation`CFRunLoopRunSpecific + 588 frame #36: 0x00000001a6e39530 HIToolbox`RunCurrentEventLoopInMode + 292 frame #37: 0x00000001a6e3f348 HIToolbox`ReceiveNextEventCommon + 676 frame #38: 0x00000001a6e3f508 HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 76 frame #39: 0x000000019f442848 AppKit`_DPSNextEvent + 660 frame #40: 0x000000019fda8c24 AppKit`-[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 688 frame #41: 0x000000019f435874 AppKit`-[NSApplication run] + 480 frame #42: 0x000000019f40c068 AppKit`NSApplicationMain + 888 frame #43: 0x00000001ca56a70c SwiftUI`merged generic specialization <SwiftUI.TestingAppDelegate> of function signature specialization <Arg[0] = Existential To Protocol Constrained Generic> of SwiftUI.runApp(__C.NSResponder & __C.NSApplicationDelegate) -> Swift.Never + 160 frame #44: 0x00000001ca9e09a0 SwiftUI`SwiftUI.runApp<τ_0_0 where τ_0_0: SwiftUI.App>(τ_0_0) -> Swift.Never + 140 frame #45: 0x00000001cad5ce68 SwiftUI`static SwiftUI.App.main() -> () + 224 frame #46: 0x0000000105943104 MyApp Dev.debug.dylib`static MyMacApp.$main() at :0 frame #47: 0x0000000105943c9c MyApp Dev.debug.dylib`main at MyMacApp.swift:24:8 frame #48: 0x000000019b464274 dyld`start + 2840
1
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189
May ’25
Specification change of windows.open for Safari
We are experiencing a problem that seems to be caused by a specification changes for Safari. We would like to discuss how to solve this problem. Sample JavaScript: <html> <head> <script> function jumpPage(code) { document.main.code.value = code; win1=window.open("","win1","toolbar=no,resizable=yes,menubar=no,scrollbars=yes,status=yes,left=0,top=0"); win1.resizeTo(width=screen.availWidth,height=screen.availHeight); document.main.action="details"; document.main.target="win1"; document.main.submit(); } </script> </head> <body> <form name="main" method="post" action="" target=""> <a href="javascript:jumpPage('001')">details</a> <input type="hidden" name="code" value=""> </body> </html> This JavaScript performs the following actions when a link is clicked. Open a window using window.open in JavaScript Submit the above opened window by post method to the target in JavaScript. When this operation is performed, the process in (2) could submit to the target page with “POST” method before iOS18.1, but will transition to the page with“GET”method from iOS18.2 onward. All protocols are http. This problem does not occur if the URL is specified as an IP address, but it does occur if the host name is specified as. Please let me know how to use with“POST”method as in iOS 18.2 or earlier. Best regards,
Topic: Safari & Web SubTopic: General
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56
Apr ’25
Install Safari Extension fails with "Unable to download App" and "Operation not permitted" in log
We have a Safari extension that's been up on the App Store for about 18 months with no apparent issues. This week, however, while working on an update, we uninstalled the production version on our test machines and installed a developer version. When we had some issues, we tried to go back to the production version downloaded from the App Store, but we get an pop saying "Unable to download App." In the log, the most obviously relevant error is 'Operation not permitted'. This occurs on several machines and different logins on those machines in both norma and safe modes. However, on another machine that never had one installed, we could still install the app from the app store, so I suspect there is something left behind that needs to be removed, but I don't know what. FWIW, I see the download directory getting created under /Applications, but it is promptly removed when the failure popup appears. Any suggestions?
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129
May ’25
Safari doesn't seem to respect cache-control on fetch redirects
I am calling fetch with a POST on page1 in Safari. No special cache parameters on the fetch call. The response from the server is a 303 redirect to page2 The second page -- page2 -- is in my browser's cache with cache-control "public, max-age=31536000, immutable". For some reason, the page2 redirect is causing a server hit to re-GET the second page every time instead of pulling from cache. If I instead directly get the second page by doing a fetch on page2, there is no server hit. If I do this on Chrome or Firefox, it behaves as I would expect, pulling page2 from the cache with no server hit. In case it matters, the fetch is coming from within an iFrame. Also, if I change the original POST to a GET, the problem still happens. I am using a pretty old version of Safari on my Mac, so I could chalk it up to that, but I am getting the same behavior with Safari on my iPhone with iOS 18.3.2 Any ideas? Thanks.
Topic: Safari & Web SubTopic: General Tags:
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74
Mar ’25
Behavior of Safari in HTTP/2 communication
I want to confirm the specifications and behavior of Safari. We have a system built on Microsoft Azure that uses Azure AD B2C for authentication. When we logging in, there is a phone authentication feature where a call is made to the registered phone number. However, this phone authentication does not work properly only on iPhone's Safari. The specific situation is listed below: When performing phone authentication on iPhone's Safari, a call is made from Azure AD B2C, and pressing the # button on the Safari screen can be done. But then, it transitions to an error screen. We tried multiple iPhone devices and multiple iOS versions, but the result was the same. But when accessing the system on a PC, and performing phone authentication, it works without any errors. Also when we use browsers other than Safari (for example, Google Chrome and Firefox) on the iPhone, the phone authentication works without any errors, too. Even with Safari, if the device displaying the login screen and the device making the call are different, phone authentication works without any errors, too.(it fails if they are the same device). We reached out Microsoft about this issue, and they responded that: The Azure resource called FrontDoor at the front end of Azure AD B2C supports the HTTP/2 protocol, and HTTP/2 protocol is used in communication with Safari. In Safari's HTTP/2 communication, when a call is received while the screen is displayed, a reset packet is sent to the web server (in this case, the web server is FrontDoor). This interrupts the session, causing a session termination error on the Azure AD B2C side, and phone authentication fails. Therefore, we would like to ask you the following two points: In HTTP/2 communication, does the Safari browser send a reset packet to the web server when it receives a phone call? If so, what is the cause of this behavior? And are there any measures to prevent the reset packet from being sent?
Topic: Safari & Web SubTopic: General
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138
May ’25
HELP!Apple Pay Web application cannot pay due to the bottom rotation issue
I built a web application using the Apple Pay on the Web Interactive Demo with the Payment Request API, but encountered a few issues: The initiated web Apple Pay interface shows a spinning circle at the bottom and cannot proceed with payment(Bottom display:正在处理). What could be causing this? How to set up sandbox testing for payments? How to asynchronously and synchronously retrieve payment results (backend code to fetch payment results)? The demo only shows frontend code using await response.complete("success"); for retrieving payment results my demo URL: https://shop.wowseer.com/rsolomakhin/pr/applepay/
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Apr ’25
Apple Pay on Web in Cross-Origin iFrame: Merchant Validation Failure Due to Referrer Header Reliance (Custom API Integration)
Hi Apple Developer Community and Support, We are implementing Apple Pay on the Web and are encountering a persistent issue with merchant validation when the ApplePaySession is initiated from a JavaScript application running within a cross-origin iframe. Our Setup: Top-Level Domain: https://application.my.com/ (where the Apple Pay button is displayed, and the iframe is embedded) iFrame Content Origin: https://cashier.my.com/ (Our custom JavaScript application that handles the Apple Pay integration and directly calls our Payment Service Provider's (PSP) API for merchant validation). iFrame allow attribute: The iframe correctly includes allow="payment *". The Problem: When a user clicks the Apple Pay button, the ApplePaySession is successfully created and the Apple Pay sheet opens in Safari iOS. This suggests the browser recognizes the allow="payment *" attribute and allows the API calls. However, during the session.onvalidatemerchant callback, our JavaScript code makes a direct API call to our PSP (Nuvei)'s endpoint. This call consistently fails with an "Invalid domain name!" error, and the Apple Pay sheet then shows "Payment Not Completed." PSP's Diagnosis: Our PSP (Nuvei) has investigated and stated that for this specific endpoint (getAppleValidationApiFlow.do), "there is no explicit way to pass domain to the endpoint and domain for which session is issued is based on 'Referer' header." Our Question for Apple: Given that Safari 17+ now supports allow="payment" for cross-origin iframes to enable Apple Pay APIs, we have the following questions: What is Apple's official guidance or expectation regarding the Referer header for ApplePaySession.onvalidatemerchant calls when the ApplePaySession is instantiated from a cross-origin iframe? Is it expected that the Referer header for calls originating from the iFrame will always be the iFrame's origin? Does Apple's merchant validation process (when the PSP calls apple-pay-gateway.apple.com/paymentservices/startSession) itself rely on or interpret the Referer from the initial client-to-PSP call? Are there recommended best practices or standard approaches for PSP integrations in this cross-origin iFrame scenario to ensure the Referer validation (or equivalent domain validation) is correctly satisfied? We're trying to understand if our PSP's specific reliance on the Referer for this validation is a standard requirement implicitly set by Apple for this flow, or if there are other architectural approaches that should allow this scenario to work seamlessly. Thank you for any insights or guidance you can provide.
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May ’25