125499 2013-12-10 05:02:12 -0800 canvas-toDataURL-webp.html layout test is failing 2026-03-26 13:20:14 -0700 1 1 1 Unclassified WebKit WebKit EFL 528+ (Nightly build) Unspecified Unspecified NEW P2 Normal --- 1 l.krok l.krok formularsumo ik lucas.de.marchi me mpakulavelrutka woodlxf00 oldest_to_newest 958299 0 l.krok 2013-12-10 05:02:12 -0800 After enabling WebP support in WebKit EFL port the canvas-toDataURL-webp.html test is failing. It looks like webp image format is not specified as supported image MIMEType for encoding. --- /home/lkrok/checkout/LocalWebKitOrg/WebKit/WebKitBuild/Debug/layout-test-results/fast/canvas/canvas-toDataURL-webp-expected.txt +++ /home/lkrok/checkout/LocalWebKitOrg/WebKit/WebKitBuild/Debug/layout-test-results/fast/canvas/canvas-toDataURL-webp-actual.txt @@ -1 +1,2 @@ +FAIL: canvas.toDataURL('image/webp') not supported 2193910 1 formularsumo 2026-03-26 06:04:57 -0700 Chiming in to say that this would be very useful to have. Support was added to Gecko/Firefox in January 2022, meaning that WebKit is the only engine not implementing this now (see https://caniuse.com/?search=todataurl+webp). Cryptee Docs (https://crypt.ee/docs) uses this method for working with photos locally on the user's devices, and so is unable to support webp images on any browser because of WebKit's missing support for it. 2194049 2 ik 2026-03-26 13:20:14 -0700 +1. Webp is essential for transparent images with reasonable file size.