Just for fun, I downloaded the wbep in the article to my desktop to check non-web comparability and found something strange. For usability reasons, I still use Windows Photo View from the XP days on my modern Windows 11 computer. After loading it up there, I noticed that the webp image is viewable but decodes very differently than other applications. For comparison, I included the image as Firefox sees it, as the native Windows 11 Photos app sees it, and as the XP-era Photo Viewer sees it. Notice that Photo Viewer is darker and with what looks like messed up HSL saturation values. Why would it do this, instead of just not displaying the file at all?
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Just for fun, I downloaded the wbep in the article to my desktop to check non-web comparability and found something strange. For usability reasons, I still use Windows Photo View from the XP days on my modern Windows 11 computer. After loading it up there, I noticed that the webp image is viewable but decodes very differently than other applications. For comparison, I included the image as Firefox sees it, as the native Windows 11 Photos app sees it, and as the XP-era Photo Viewer sees it. Notice that Photo Viewer is darker and with what looks like messed up HSL saturation values. Why would it do this, instead of just not displaying the file at all?
https://imgur.com/a/inom1D0
Maybe Photo Viewer doesn't interpret or does misinterpret embedded color profile and/or HDR information.
Looks like a lack of color correction/Gamma profile stuff in XP’s viewer.