Trying to implement my own forward/back buttons for the new SwiftUI WebView and reading the documentation I’m totally lost.
What’s the recommended way of implementing forward/back behavior with this component?
Explore the integration of web technologies within your app. Discuss building web-based apps, leveraging Safari functionalities, and integrating with web services.
Selecting any option will automatically load the page
Post
Replies
Boosts
Views
Activity
The crash is specific to iOS 26.2 WKScriptMessageHandler delegate func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage)
Name attribute is accessible but WKScriptMessage body attribute causes crash
The object seems to be not accessible
I'm a web developer of WebRTC based web app for video and audio calls. After updating to iOS 26.1 beta I noticed, that my app can't use microphone anymore.
When I'm calling to getUserMedia with audio set to true, Safari returns error "No AVAudioSessionCaptureDevice device".
Other WebRTC demo apps also can't access microphone on this firmware.
And maybe it's connected somehow, but safari can't detect connected AirPods Pro 2 as an input device.
So, this bug brakes any WebRTC app, that uses microphones.
As with the adoption of MV3 standards among all major browser vendors that allow browser extensions at the client-side, I understand that this is the same with Safari as well, as mentioned here (https://www.wwdcnotes.com/notes/wwdc22/10099/). However, as with Firefox, browsers may choose to adopt them incompletely and with few changes. I had a few questions regarding how Safari views this transition and what would be the next steps from here.
Thus, it would be really great if the browser team could provide your insights on any or all of the following points:
Would Safari adopt the exact standards proposed by the Chromium ecosystem such as with functionalities like header-based modifications in the coming days.
What would be the general timeline be for this in general?
Does this also translate to the fact that existing standards with MV2 standards would not be allowed to operate any further, as with the timeline with Chromium?
Regards
Hello,
I'm not able to get the webauthn attestation statement using the option (attestation.direct) on Safari. The answer I get is a fmt of none and a aaguid of zeros.
The same code works on Chrome and I was able to get a none zero aaguid and a packed fmt attestation.
Can you explain why this does not work on Safari ?
Thank you.
Is it possible to open the native app from a web extension?
I have tried creating a new tab that uses the app's URL scheme but the UI asking the user to open the app is not shown until the new page UI is dismissed.
Creating a tab with an HTTPS URL that the app is setup to handle does not work and always the link in a new tab.
I tried sending a message to the app extension and using NSExtensionContext.open(_:completionHandler:) but the URL is not opened and the closure received false, indicating it was not handled.
Having the option to link back to the native app would be very useful.
Hello,
According to the documentation:
If you provide your extension in macOS and don’t want to use the Mac App Store for distribution, you can sign and notarize your extension’s app with a Developer ID to distribute it outside the Mac App Store.
However, I found this to be untrue in practice. Even after signing and notarising the Safari extension correctly, it is not possible to enable it in Safari without turning on "allow unsigned extension".
This makes it impossible to distribute your Developer ID–signed and notarized extension outside the Mac App Store.
I would like to distribute my web extension directly to employees in my organization using MDM without having each user manually enable "allow unsigned extension" for it to work. Any way to make it work?
The documentation is quite confusing in this aspect, it says "Safari only supports signed extensions" but my extension is rejected even if notarised and signed.
After upgrading to Safari version 18, we encountered an issue with my extension’s background script not being able to access cookies. Previously, in Safari versions 17 and below, the extension worked as expected. Now, when the extension tries to retrieve cookies using browser.cookies.getAll(), it returns an empty list. However, if we open the extension’s developer tools, the cookies are visible and accessible.
It seems that Safari only provides cookie data after the developer tools have been opened. However, after relaunching Safari and launching the extension without opening the developer tools, browser.cookies.getAll() still returns an empty list.
Has anyone else experienced this?
STEPS TO REPRODUCE
Download this minimal app : https://www.icloud.com/iclouddrive/0bajlhnuQaG6T5NsFKXEB0U9Q#test%5Fcookies
Compile test_mv2 extension (in test_cookies.getAll.zip).
Launch test_mv2.app and activate extension.
Click on the extension's button (browserAction).
Open the developer tools.
Observe an empty list of cookies.
Click on the extension's button (browserAction).
Cookies are retrieved as expected.
Is this code invalid on a phone running xcode16 iOS18?
Class cls = NSClassFromString(@"WKBrowsingContextController");
SEL sel = NSSelectorFromString(@"registerSchemeForCustomProtocol:");
if ([(id)cls respondsToSelector:sel]) {
[(id)cls performSelector:sel withObject:@"http"];
[(id)cls performSelector:sel withObject:@"https"];
}
}
Topic:
Safari & Web
SubTopic:
General
Hi,
I have an app that uses WKWebView and it's crashing on iOS 26 Simulator in places I've never had problems before. In this case it's crashing when calling WKWebView.callAsyncJavaScript, but in my other project WKWebView is crashing with some sort of EXC_BAD_ACCESS other than callAsyncJavaScript.
Am I missing something?
Thanks,
Topic:
Safari & Web
SubTopic:
General
Hello WebKit Team,
I’m writing to ask if iOS provides a native way to intercept AJAX (XMLHttpRequest or fetch) calls inside WKWebView.
On Android, this is handled via:
shouldInterceptRequest(WebView view, WebResourceRequest request)
but iOS currently seems to have no equivalent.
We’ve tried:
WKURLSchemeHandler → works only for custom schemes
URLProtocol with WKProcessPool → unreliable for AJAX in WebView
JavaScript injection → partial and unofficial
Could you please clarify:
Is there a recommended native approach to intercept AJAX requests?
If not supported, is it planned for future releases?
Any official workaround or guidance?
This is critical for debugging, analytics, and compliance in hybrid apps.
Thank you for supporting me.
My environment
Device: iPhone 15 Pro
OS: iOS 26.0 Public Beta (23A5336a)
In iOS 26, three types of tabs were added to Safari.
Depending on the option, the behavior of the fixed header and footer can be unstable.
*Tab settings can be changed in the iOS Settings app under "Apps -> Safari" > "Tabs."
The following behavior differs depending on the tab.
Compact
When scrolling down, the header and footer shift up by a few pixels.
A margin is created between the footer and the URL input field.
Bottom
Behaves the same as "Compact."
Top
The header is completely hidden below the URL input field at the top of the screen, leaving a margin below the footer.
Below is the sample code to check the operation.
<!doctype html>
<html lang="ja">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>固定ヘッダー/フッター + モーダル</title>
<style>
:root {
--header-h: 56px;
--footer-h: 56px;
}
body {
margin: 0;
font-family: sans-serif;
line-height: 1.6;
background: #f9fafb;
padding-top: var(--header-h);
padding-bottom: var(--footer-h);
}
header .inner, footer .inner {
width: 100%;
max-width: var(--max-content-w);
padding: 0 16px;
display: flex;
align-items: center;
justify-content: space-between;
}
header, footer {
position: fixed;
left: 0; right: 0;
display: flex; align-items: center; justify-content: center;
z-index: 100;
background: #fff;
}
header {
top: 0;
height: var(--header-h);
border-bottom: 1px solid #ddd;
}
footer {
bottom: 0;
height: var(--footer-h);
border-top: 1px solid #ddd;
}
main {
padding: 16px;
}
.btn {
padding: 8px 16px;
border: 1px solid #2563eb;
background: #2563eb;
color: #fff;
border-radius: 6px;
cursor: pointer;
}
/* モーダル関連 */
.modal {
position: fixed;
inset: 0;
display: none;
z-index: 1000;
}
.modal.is-open { display: block; }
.modal__backdrop {
position: absolute;
inset: 0;
background: rgba(0,0,0,0.5);
}
.modal__panel {
position: relative;
max-width: 600px;
margin: 10% auto;
background: #fff;
border-radius: 8px;
padding: 20px;
z-index: 1;
}
.modal__head {
display: flex; justify-content: space-between; align-items: center;
margin-bottom: 12px;
}
.modal__title { margin: 0; font-size: 18px; font-weight: bold; }
.modal__close {
background: none;
border: none;
font-size: 20px;
cursor: pointer;
}
</style>
</head>
<body>
<header>
<div class="inner">
<h1>デモページ</h1>
<button id="openModal" class="btn">モーダルを開く</button>
</div>
</header>
<main class="container" id="main">
<h2>スクロール用の適当なコンテンツ1</h2>
<p>ヘッダーとフッターは常に表示されます。モーダルボタンを押すと、画面いっぱいのダイアログが開きます。</p>
<!-- ダミーカードを複数 -->
<section class="grid">
<div class="card"><strong>カード1</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード2</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード3</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード4</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード5</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード6</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード7</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード8</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード9</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
<div class="card"><strong>カード10</strong><p>適当なテキスト。適当なテキスト。適当なテキスト。</p></div>
</section>
</main>
<footer>
<small>© 2025 Demo</small>
</footer>
<!-- モーダル -->
<div class="modal" id="modal">
<div class="modal__backdrop"></div>
<div class="modal__panel">
<div class="modal__head">
<h2 class="modal__title">モーダル</h2>
<button class="modal__close" id="closeModal">×</button>
</div>
<p>これは白いビューのモーダルです。背景は黒く半透明で覆われています。</p>
</div>
</div>
<script>
const modal = document.getElementById('modal');
const openBtn = document.getElementById('openModal');
const closeBtn = document.getElementById('closeModal');
const backdrop = modal.querySelector('.modal__backdrop');
openBtn.addEventListener('click', () => {
modal.classList.add('is-open');
});
function closeModal() {
modal.classList.remove('is-open');
}
closeBtn.addEventListener('click', closeModal);
backdrop.addEventListener('click', closeModal);
window.addEventListener('keydown', (e) => {
if (e.key === 'Escape' && modal.classList.contains('is-open')) {
closeModal();
}
});
</script>
</body>
</html>
On iOS 26 Beta, WKWebView consistently crashes when interacting with pages that use -webkit-user-select: none.
This issue does not reproduce in Safari, but only when the same content is loaded inside a WKWebView.
Steps to Reproduce:
Install iOS 26 Beta.
Open a WKWebView that loads a webpage with the following style applied globally:
-webkit-user-select: none;
Perform the following gesture sequence inside the WKWebView:
Double tap anywhere in the web content.
On the second tap, keep your finger pressed (do not lift).
While still holding the second tap, drag your finger across the screen (pan).
This sequence reliably produces the crash.
Expected Result:
No crash. The gesture should either be ignored or handled gracefully.
Actual Result:
The app crashes 100% of the time with the following exception:
#0 0x000000013f1a0874 in __pthread_kill ()
#1 0x00000001357522ec in pthread_kill ()
#2 0x00000001801ad950 in abort ()
#3 0x00000001802fa26c in __abort_message ()
#4 0x00000001802ea1a4 in demangling_terminate_handler ()
#5 0x0000000180077218 in _objc_terminate ()
#6 0x00000001802f9758 in std::__terminate ()
#7 0x00000001802fc7c0 in __cxxabiv1::failed_throw ()
#8 0x00000001802fc7a0 in __cxa_throw ()
#9 0x000000018009c1bc in objc_exception_throw ()
#10 0x00000001804f38f8 in +[NSException raise:format:] ()
#11 0x000000018c5fb570 in -[CALayer setPosition:] ()
#12 0x0000000185d02414 in -[UIView _backing_setPosition:] ()
#13 0x00000001867ec978 in -[UIView setCenter:] ()
#14 0x0000000186666468 in -[_UIEditMenuContentPresentation _displayPreparedMenu:titleView:reason:didDismissMenu:configuration:] ()
#15 0x0000000186666088 in __54-[_UIEditMenuContentPresentation _displayMenu:reason:]_block_invoke ()
#16 0x00000001867b3ed4 in -[UIEditMenuInteraction _editMenuPresentation:preparedMenuForDisplay:completion:] ()
#17 0x0000000186665fb0 in -[_UIEditMenuContentPresentation _displayMenu:reason:] ()
#18 0x0000000186665de4 in -[_UIEditMenuContentPresentation displayMenu:configuration:] ()
#19 0x00000001867b3260 in __58-[UIEditMenuInteraction presentEditMenuWithConfiguration:]_block_invoke ()
#20 0x00000001867b4c98 in __80-[UIEditMenuInteraction _prepareMenuAtLocation:configuration:completionHandler:]_block_invoke ()
#21 0x000000018653ff80 in __109-[UITextContextMenuInteraction _editMenuInteraction:menuForConfiguration:suggestedActions:completionHandler:]_block_invoke ()
#22 0x0000000186540448 in __107-[UITextContextMenuInteraction _querySelectionCommandsForConfiguration:suggestedActions:completionHandler:]_block_invoke ()
#23 0x000000018dba84f8 in 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 ()
#24 0x000000018dca14cc in 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 ()
#25 0x000000018e2d5c54 in IPC::Connection::dispatchMessage ()
#26 0x000000018e2d6118 in IPC::Connection::dispatchIncomingMessages ()
#27 0x00000001997f9c58 in WTF::RunLoop::performWork ()
#28 0x00000001997fa930 in WTF::RunLoop::performWork ()
#29 0x000000018044d4dc in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#30 0x000000018044d424 in __CFRunLoopDoSource0 ()
#31 0x000000018044cc0c in __CFRunLoopDoSources0 ()
#32 0x000000018044bd84 in __CFRunLoopRun ()
#33 0x0000000180446e24 in _CFRunLoopRunSpecificWithOptions ()
#34 0x00000001924c19bc in GSEventRunModal ()
#35 0x00000001862217a8 in -[UIApplication _run] ()
#36 0x00000001862259d0 in UIApplicationMain ()
Same issues below.
https://developer.apple.com/forums/thread/796799
https://developer.apple.com/forums/thread/796501
https://developer.apple.com/forums/thread/796874
https://developer.apple.com/forums/thread/796686
Up until some point relatively recently, I have been able to use Safari's web inspector to connect to the iOS simulator in order to debug our web application in development at http://localhost:8088.
Now, the web inspector still OPENS, but it opens in a broken state. The context is available to select from Safari's "Develop" menu: Develop > "iPhone 16 Pro (Simulator)" > "localhost - login". It appears under the Safari heading if I have navigated to the web app in the browser, or under the Expo heading if I am accessing it through the webview in our React Native wrapper app. When I select it, the web inspector window does appear.
However, once it opens, the Elements pane is empty, the Console pane is empty, expressions entered into the console are not evaluated, there's no content in Sources, Network, Storage, etc.
Important notes:
This broken state happens at http://localhost:8088 as well as http://127.0.0.1:8088, and it seems that the insecure context is the issue.
The web inspector DOES work for HTTPS sites. If I navigate to, e.g., https://example.com in the simulator and connect the web inspector, everything works fine.
The web inspector also works fine in Safari on macOS (OUTSIDE the simulator) when accessing non-HTTPS sites. It's only a problem for non-HTTPS sites when connecting to the simulator.
A coworker has the same problem, so it is not isolated to my machine.
I would enable TLS locally as a workaround, but this web app is very complex, and I know from experience that it is very difficult for various reasons to set it up properly for our project in development, and it will take significant non-trivial work to do so.
So... Why is this happening? Is this expected behavior? Is there a way that I can debug my site on localhost without HTTPS?
I want to migrate from a Safari App Extension to a Safari Web Extension, but don't know how to get rid of the message, telling users that my extension can access their passwords. Here is a message which I see:
I was thinking that this might be because all Safari Web Extension get this type of access, but I have a Safari Web Extension which does not require such level of access:
Here is the manifest:
{
"manifest_version": 2,
"default_locale": "en",
"name": "__MSG_extension_name__",
"description": "__MSG_extension_description__",
"version": "1.1",
"icons": {
"48": "images/icon-48.png"
},
"background": {
"scripts": [
"background.js"
],
"persistent": true
},
"browser_action": {
"default_popup": "popup.html",
"default_icon": {
"16": "images/toolbar-icon-16.png"
}
},
"permissions": [
"nativeMessaging", "tabs"
]
}
and here is the Info.plist file:
Here is the entire code of the extension:
https://github.com/kopyl/web-extension-simplified
I recently upgraded my device from IOS 18.4 to IOS 26. My web extension has disapeared from safari. I can see it in Settings > Apps > Safari > Extensions and when I turn it on and re-open safari. I just get a mesasge that says "{extension name} is no longer avaiable". I have tried Manifest V2 and Manifest V3 both yield the same results. The current production extension bundled with the IOS app has the same problem. I can no longer use or test my own extension !? Help please !
I am encountering an issue where we are unable to run or launch Safari Driver in our automation tests using macOS. When attempting to run safaridriver -p 8888 from the terminal, we receive the following error message:
ERROR: safaridriver could not launch because it is not configured correctly or you need to authenticate. Re-run safaridriver(1) and pass the '--enable' flag to configure and/or authenticate.
For more information, consult the safaridriver(1) man page.
Despite running sudo safaridriver --enable as an administrator (even as root), the issue persists.
I’ve searched through various online forums and GitHub repositories but couldn’t find a working solution. Some references are:
Apple Developer Forum Thread: https://forums.developer.apple.com/forums/thread/762321
GitHub Issue: https://github.com/SeleniumHQ/selenium/issues/11381
I use WKWebView to display a webpage that requires authentication through an authentication provider. This works as expected, but when I close and reopen the app, I have to reauthenticate. However, if I open the same page in Safari, I only have to authenticate once. If I close Safari and reopen it, the page displays without prompting me to authenticate again. I see some cookies stored in httpCookieStore, so I assume that storing cookies works. Does anyone have an idea why authentication is not persistent between app launches? Thanks in advance.
Best regards,
Marc
Reproducibility
100% on iOS 15.4 and iOS 16.6
Zero crash on iOS 18.6
Xcode
26.1
Steps to Reproduce
Xcode 26.1 → New iOS App
Replace ViewController.swift with the 20-line code below
Run on real device
• iPhone XR iOS 15.4
• iPhone 13 iOS 16.6
Tap the link → breakpoint in decidePolicyFor
lldb → po navigationAction.sourceFrame
Actual Result
(lldb) po navigationAction.sourceFrame
nil
Swift declaration lies:
public var sourceFrame: WKFrameInfo { get } // non-optional
→ Instant EXC_BREAKPOINT
libswiftFoundation.dylib`URLRequest._unconditionallyBridgeFromObjectiveC
Objective-C tells the truth:
po [(WKNavigationAction *)navigationAction fixedSourceFrame]
nil
iOS 18.6 → same code prints a valid WKFrameInfo, no crash.
Expected
sourceFrame must be declared WKFrameInfo? in Swift
or at least documented “can be nil on iOS 15–16”.
Impact
Every WKWebView app that touches sourceFrame on iOS 15.4 & 16.6 ships with a latent crash.
Production Workaround
@implementation WKNavigationAction (Safe)
(WKFrameInfo *)fixedSourceFrame {
return self.sourceFrame ? self.sourceFrame : nil;
}
@end
Minimal Test (copy-paste)
import UIKit
import WebKit
class ViewController: UIViewController, WKNavigationDelegate {
lazy var web = WKWebView(frame: view.bounds)
override func viewDidLoad() {
super.viewDidLoad()
web.navigationDelegate = self
view.addSubview(web)
web.load(URLRequest(url: URL(string: "https://www.apple.com")!))
}
func webView(_ webView: WKWebView,
decidePolicyFor navigationAction: WKNavigationAction,
preferences: WKWebpagePreferences,
decisionHandler: @escaping (WKNavigationActionPolicy, WKWebpagePreferences)->Void) {
print(navigationAction.sourceFrame) // ← crashes on 15.4 & 16.6
decisionHandler(.allow, preferences)
}
}
I'm building a macOS extension that needs to track multi-step navigation chains (A → B → C) to adjust behavior based on where users came from.
Current approach: Using webNavigation.onBeforeNavigate to detect intermediate steps, but experiencing issues in Safari that don't occur on Chrome/Firefox/Edge.
Questions:
Is webNavigation the right API for tracking redirect chains in Safari?
Does ITP/Private Browsing affect event delivery?
Any alternative approaches recommended?
(Safari version 26.0.1)
Any guidance appreciated!