[kalleboo]

What it will take for something to overthrow JPEG is for both Google and Apple to adopt it. If Android, Chrome, iOS, macOS and Safari all support it (and the phones shoot in it natively like the iPhone does with HEIF right now), it will take over.

[jhoechtl]

Think of it Google favoring sites with AVIF, JPEG XL, whatever they settle on in their page rank? Within half a year 80% of the web sites will have converted.