[ios] Skip non-tappable web view workaround for iOS 26.4

Apple fixed the non-tappable web view bug on iOS 26.4. This means we can skip the hacky workarounds on iOS 26.4

flutter/engine/src/flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews.mm

Lines 653 to 679 in 8787e42

    
           // On iOS 18.2, WKWebView's internal recognizer likely caches the old state of its blocking 
        
           // recognizers (i.e. delaying recognizer), resulting in non-tappable links. See 
        
           // https://github.com/flutter/flutter/issues/158961. Removing and adding back the delaying 
        
           // recognizer solves the problem, possibly because UIKit notifies all the recognizers related 
        
           // to (blocking or blocked by) this recognizer. It is not possible to inject this workaround 
        
           // from the web view plugin level. Right now we only observe this issue for 
        
           // FlutterPlatformViewGestureRecognizersBlockingPolicyEager, but we should try it if a similar 
        
           // issue arises for the other policy. 
        
           if (@available(iOS 26.0, *)) { 
        
             // This performs a nested DFS, with the outer one searching for any web view, and the inner 
        
             // one searching for a TouchEventsGestureRecognizer inside the web view. Once found, disable 
        
             // and immediately reenable it to reset its state. 
        
             // TODO(hellohuanlin): remove this flag after it is battle tested. 
        
             NSNumber* isWorkaroundDisabled = 
        
                 [[NSBundle mainBundle] objectForInfoDictionaryKey:@"FLTDisableWebViewGestureReset"]; 
        
             if (!isWorkaroundDisabled.boolValue) { 
        
               [self searchAndFixWebView:self.embeddedView]; 
        
             } 
        
           } else if (@available(iOS 18.2, *)) { 
        
             // The 1P web view plugin provides a WKWebView itself as the platform view. However, some 3P 
        
             // plugins provide wrappers of WKWebView instead, and AdMob banner has a WKWebView at 
        
             // depth 7. So we perform DFS to search the view hierarchy. 
        
             if ([self containsWebView:self.embeddedView]) { 
        
               [self removeGestureRecognizer:self.delayingRecognizer]; 
        
               [self addGestureRecognizer:self.delayingRecognizer]; 
        
             } 
        
           }

[pv]skip non-tappable web view workaround on ios 26.4 (flutter#185424)

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[ios] Skip non-tappable web view workaround for iOS 26.4 #185372

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	// On iOS 18.2, WKWebView's internal recognizer likely caches the old state of its blocking
	// recognizers (i.e. delaying recognizer), resulting in non-tappable links. See
	// https://github.com/flutter/flutter/issues/158961. Removing and adding back the delaying
	// recognizer solves the problem, possibly because UIKit notifies all the recognizers related
	// to (blocking or blocked by) this recognizer. It is not possible to inject this workaround
	// from the web view plugin level. Right now we only observe this issue for
	// FlutterPlatformViewGestureRecognizersBlockingPolicyEager, but we should try it if a similar
	// issue arises for the other policy.
	if (@available(iOS 26.0, *)) {
	// This performs a nested DFS, with the outer one searching for any web view, and the inner
	// one searching for a TouchEventsGestureRecognizer inside the web view. Once found, disable
	// and immediately reenable it to reset its state.
	// TODO(hellohuanlin): remove this flag after it is battle tested.
	NSNumber* isWorkaroundDisabled =
	[[NSBundle mainBundle] objectForInfoDictionaryKey:@"FLTDisableWebViewGestureReset"];
	if (!isWorkaroundDisabled.boolValue) {
	[self searchAndFixWebView:self.embeddedView];
	}
	} else if (@available(iOS 18.2, *)) {
	// The 1P web view plugin provides a WKWebView itself as the platform view. However, some 3P
	// plugins provide wrappers of WKWebView instead, and AdMob banner has a WKWebView at
	// depth 7. So we perform DFS to search the view hierarchy.
	if ([self containsWebView:self.embeddedView]) {
	[self removeGestureRecognizer:self.delayingRecognizer];
	[self addGestureRecognizer:self.delayingRecognizer];
	}
	}

[ios] Skip non-tappable web view workaround for iOS 26.4 #185372

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github-actions commented on Jul 14, 2026

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