I genuinely didn't even notice the first time I downloaded and viewed a .webp. Firefox and Gwenview (the KDE image viewer) handled it just fine. So does GIMP if I want to edit one.
What common software are people trying to use that doesn't support it?
Even fucking imgur doesn't support webp. I guess it is more important to block popular vpn providers for an image hosting than to support popular image formats.
I'm so fucking sad about .jxl, it's a better and more open format than webp, but Google refused to support it in Chrome due to corporate interests in webp, so it's basically dead. Only Firefox supports it.