[Webkit-unassigned] [Bug 248544] New: REGRESSION (256665 at main): [ Ventura ] fast/images/avif-as-image.html is a consistent image failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248544

            Bug ID: 248544
           Summary: REGRESSION (256665 at main): [ Ventura ]
                    fast/images/avif-as-image.html is a consistent image
                    failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
fast/images/avif-as-image.html

There was an AVIF tests garden at 255947 at main where I first saw the history of the image failure for Ventura.  I observed later in the history at 255984 at main that AVIF image decoding using libavif and dav1d is enabled, and that is where I see the test begin to pass on Monterey and BigSur, but fail for Ventura. Still, there was a test expectation in place for this.  Finally, there was work to AVIF image animates only one loop at 256665 at main where the test expectation was removed, which seemed to cause the image failure on the flakiness dashboard to appear again.  

History:
https://results.webkit.org/?suite=layout-tests&test=fast%2Fimages%2Favif-as-image.html&platform=ios&platform=mac&limit=50000

Image Diff:
https://build.webkit.org/results/Apple-Ventura-Release-WK2-Tests/257176@main%20(385)/fast/images/avif-as-image-diffs.html

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