[Webkit-unassigned] [Bug 259141] New: REGRESSION: Safari 17 fails to open USDZ blob in QuickLook

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259141

            Bug ID: 259141
           Summary: REGRESSION: Safari 17 fails to open USDZ blob in
                    QuickLook
           Product: WebKit
           Version: Safari 17
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mail at milesgreen.net

Observed on iPhone 12 Pro, iOS 17 Beta 3, (21A5277h)

When opening USDZ file blob from Safari, QuickLook opens momentarily with blank screen then closes back to Safari immediately.

Opening USDZ from full URL still works fine, 3D model is displayed in AR.

Note that opening USDZ file blob from Chrome on same device still works, 3D model is displayed in AR.

So it appears to be a Safari regression, handling blob urls?

More information in the Model-Viewer thread here:
https://github.com/google/model-viewer/issues/4354

Repro links:
https://modelviewer.dev/examples/scenegraph/#variants
Select a material variant. Tap the AR icon. Tis will attempt to open a USDZ blob in QuickLook.

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