JPEG XL faces fierce competition from AVIF. And Google. A bit of both0:00 - What is JPEG?1:20 - JPEG XL2:07 - AVIF3:08 - JPEG XL's Strengths4:58 - AVIF Suppo...
That’s not at all what backward compatibility is. What you’re saying is that a PlayStation 2 isn’t backwards compatible because a PlayStation 1 can’t play PlayStation 2 games; it makes literally no sense.
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That’s not backwards compatibility, what you described is forwards compatibility (Which is a thing, but not very common)
Backwards compatibility is meaning that anything built to support JPEG XL will be able to render “classic” JPEG just fine without any extra effort
That’s not at all what backward compatibility is. What you’re saying is that a PlayStation 2 isn’t backwards compatible because a PlayStation 1 can’t play PlayStation 2 games; it makes literally no sense.