[ByTheBook]

Well, the author of FLIF/FUIF, Jon Sneyers, is actually a large contributor to Jpeg XL, and from what I've seen he thinks Jpeg XL is superior.

[The_rationalist]

Interesting, any source? I wonder in what way he finds it superior.

[ByTheBook]

He's written about it in his blog: https://cloudinary.com/blog/author/jon_sneyers