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oh baller

Woo! There's a lot to like about the format but the lossless recompression of existing jpegs is *such* a killer feature nothing else can remotely match.

The inclusion of JPEG XL in 152 was what made me switch back to Firefox after many years using qutebrowser. Good stuff.

The progressive rendering of JPEG XL is much less blocky now. Progressive AVIF is a thing - it's only two or three pass, but you get to choose exactly what those passes look like. Unfortunately only Chrome supports the intermediate passes right now. Demo:

Nice to see progressive rendering included. For CMSes like WordPress, the harder part will be delivery: content negotiation, cache keys, and fallbacks. A format win can disappear quickly if variant handling causes cache misses or doubles storage.

Works smoothly on Firefox Beta for Android (flag enabled) via witchsky.app with JXL setup. 👍🏽

Good! Thanks!!!

Chrome also has an Intent to Ship, so support should land in both browsers within a week of each other groups.google.com/a/chromium.o...

I'm thinking some combination of HTML property plus JS controls. Or at least a method for JS to check loading progress from the client end to feed back to the server so it knows when to start sending more.