[Webkit-unassigned] [Bug 272575] New: Regression: USDZ blobs open in the browser instead of opening in the user's space
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Apr 11 23:25:58 PDT 2024
https://bugs.webkit.org/show_bug.cgi?id=272575
Bug ID: 272575
Summary: Regression: USDZ blobs open in the browser instead of
opening in the user's space
Product: WebKit
Version: Safari 17
Hardware: Vision Pro
OS: visionOS
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit Misc.
Assignee: webkit-unassigned at lists.webkit.org
Reporter: felix.herbst at gmail.com
Since the latest visionOS 1.2 beta, opening generated USDZ blobs from websites in the user's space doesn't work anymore.
Expected: Clicking on a rel=ar link with a USDZ blob of mime type "model/vnd.usdz+zip" will show the model in the user's space (potentially after asking one more time if it should be downloaded instead).
Actual: Clicking on a rel=ar link with a USDZ blob will navigate the current page to a blank new page with a "blob:" URL.
Can be reproduced on these pages – all of them work on visionOS 1.1:
1. https://modelviewer.dev/ (click on the AR icon in the bottom right corner)
- a "View" button shows up, but then navigates away from the current page and to a "blob:" URL page
- when clicking on that page, after a few more steps, can display the model in the user's space
- Expected is that the model opens in the user's space directly instead of first opening as fullscreen page etc.
2. https://engine.needle.tools/samples/musical-instrument/ (click on "Open in QuickLook")
- this page uses an iframe that opens the Blob. Here, "View" is not an option, only "Download", when clicking "Open in QuickLook"
- so it seems that there's an additional bug with blobs from inside iframes
3. https://engine.needle.tools/samples-uploads/musical-instrument/ (Click on "Open in QuickLook")
- a "View" button shows up, but navigates away to a "blob:" URL page
- when clicking on that page, nothing happens
Potentially related to the "full-screen model element" feature flag, but that is turned off – I just know that when that was turned on in the past the behaviour was somewhat similar. rel="ar" links should not ever open as fullscreen model elements.
Potentially related to https://bugs.webkit.org/show_bug.cgi?id=259141 and https://bugs.webkit.org/show_bug.cgi?id=258957
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