this post was submitted on 06 Aug 2024
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TL:DW, JPEG is getting old in the tooth, which prompted the creation of JPEG XL, which is a fairly future-proof new compression standard that can compress images to the same file size or smaller than regular JPEG while having massively higher quality.
However, JPEG XL support was removed from Google Chrome based browsers in favor of AVIF, a standalone image compression derived from the AV1 video compression codec that is decidedly not future-proof, having some hard-coded limitations, as well as missing some very nice to have features that JPEG XL offers such as progressive image loading and lower hardware requirements. The result of this is that JPEG XL adoption will be severely hamstrung by Google’s decision, which is ultimately pretty lame.
Jpeg XL isn’t backwards compatible with existing JPEG renderers. If it was, it’d be a winner. We already have PNG and JPG and now we’ve got people using the annoying webP. Adding another format that requires new decoder support isn’t going to help.
My understanding is that webp isn't actually all that bad from a technical perspective, it was just annoying because it started getting used widely on the web before all the various tools caught up and implemented support for it.
It's certainly not bad. It's just not quite as good.