[Webkit-unassigned] [Bug 273599] New: Web Inspector: Can’t scroll `overflow: scroll` containers if a remote inspector highlight is visible

Wed May 1 18:01:41 PDT 2024

https://bugs.webkit.org/show_bug.cgi?id=273599

            Bug ID: 273599
           Summary: Web Inspector: Can’t scroll `overflow: scroll`
                    containers if a remote inspector highlight is visible
           Product: WebKit
           Version: Other
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: qianlangchen at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

Created attachment 471247

  --> https://bugs.webkit.org/attachment.cgi?id=471247&action=review

Demo webpage: Open in iOS Safari and read instructions inside

On an iOS device, let's say you open in Safari the following website (also attached):
    <!DOCTYPE html>
    <html style="height: 100%; overflow: hidden">
        <head></head>
        <body style="height: 100%; overflow: scroll">
            <p>some</p>
            <p>long</p>
            <p>contents</p>
            <p>etc.</p>
        </body>
    </html>

Where there are long contents in <body> that requires <body> to be scrolled to see them all. If you open macOS's remote web inspector and hover over any element to cause the inspector overlay to appear in the webpage in iOS, then the webpage can't be scrolled anymore until the overlay is gone.

The expected behavior is that the webpage (more precisely the <body> element) should stay scrollable while the inspector overlay is visible.

rdar://124554999

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