Just discussed extensively here: https://news.ycombinator.com/item?id=39559281

Amazing to see the progress of JPEG XL here. Been following the effort for a while, and despite the adoption difficulties (i.e. Chrome), they're making great progress regardless.

Libjxl 0.10.1 published right after this blog post is still a lot faster than the 0.10.0 version used in it.

the jpegli progress is so awesome to see