RESOLVED WONTFIX226950
Canvas (HTMLCanvasElement.toDataURL) can't export it's data to image/webp 
https://bugs.webkit.org/show_bug.cgi?id=226950
Summary Canvas (HTMLCanvasElement.toDataURL) can't export it's data to image/webp
Christian Giordano
Reported 2021-06-11 23:47:35 PDT
While Chromium (and Chrome) supports it, in Safari when you try to export a canvas to image/webp it returns a png. You can try it here: https://codepen.io/nuthinking/pen/eYZBWLL Let me know if you need anything else.
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Sam Sneddon [:gsnedders]
Comment 1 2021-06-16 13:51:49 PDT
To note: Firefox Nightly (currently 91) appears not to support image/webp either.
Said Abou-Hallawa
Comment 2 2021-06-16 19:03:03 PDT
This is because the underlying frameworks do not support WebP encoding. For internal reference see <rdar://59404467>.
Said Abou-Hallawa
Comment 3 2021-06-16 20:02:46 PDT
<rdar://59404467>
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