[Webkit-unassigned] [Bug 275484] New: Safari 18 XDR Pro Image Display Issue

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=275484

            Bug ID: 275484
           Summary: Safari 18 XDR Pro Image Display Issue
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: chris at heavymark.com
                CC: sabouhallawa at apple.com

Created attachment 471675

  --> https://bugs.webkit.org/attachment.cgi?id=471675&action=review

XDR Pro Safari 18 Bug

Re: Safari 18

Have the latest MBP14 maxed out and connected to XDR Pro.

When viewing webpages in Safari on my laptop xdr screen everything shows normally. When I drag the window to my XDR Pro many images look odd. Some images, logos etc are darkned. Almost like some sort of HDR bug even though they are not hdr images. Noticed at least with .png images not sure if affecting others. But seems at random.

I'm at 100% brightness (same issue on any brightness though) on XDR with the default color profile. Also if I download one of the images that have the issue, if I download it and open it shows normal. 

Again fine on MBP XDR, and shows normal in Chrome on my XDR Pro external display. And didn't happen before upgrading to Sequoia. So it's specific to Safari 18 on XDR Pro. 

Attached is a screenshot of a random image where how it shows in safari on xdr pro vs how it looks if you download it and view on xdr pro/how it looks in chrome on xdr pro/looks on safari 18 on MBP XDR.

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