Same thing with PNG. Just call the format with new additions it PNGX, so the user can clearly see that the reason their software can’t display the image is not

Same thing with PNG. Just call the format with new additions it PNGX, so the user can clearly see that the reason their software can’t display the image is not a file corruption. This is just pretending that if you have a cat and a dog in two bags and you call it “a bag”, it’s one and the same thing…