[Webkit-unassigned] [Bug 251572] New: Safari on iOS shows loupe gesture on double-tap when -webkit-touch-callout: is none

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=251572

            Bug ID: 251572
           Summary: Safari on iOS shows loupe gesture on double-tap when
                    -webkit-touch-callout: is none
           Product: WebKit
           Version: Safari 16
          Hardware: iPhone / iPad
                OS: iOS 16
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: glenn at zewt.org

Created attachment 464811

  --> https://bugs.webkit.org/attachment.cgi?id=464811&action=review

repro

On iOS 16.x, a double-tap always shows the "loupe" widget showing what's under your finger.  -webkit-touch-callout: none doesn't prevent this, so it happens in places where it doesn't make sense.

This looks related to #231161, where this was happening with long presses.  The repro is the same: load this on iOS and double-tap (instead of long press).  Tested on iOS 16.2 on an iPhone 14.  Preventing touchstart also prevents it here, but that usually causes too many other problems.

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