JPEG XP would have been a nice name for a successor of JPEG 2000, I suppose :) There's also a JPEG XE now (https://jpeg.org/jpegxe/index.html https://jpeg.org/

JPEG XP would have been a nice name for a successor of JPEG 2000, I suppose :) There's also a JPEG XE now (https://jpeg.org/jpegxe/index.html https://jpeg.org/jpegxe/index.html), by the way.