In some older version, when IrfanView meet .webp files, I get info that "the file has incorrect extension, change it to .jpg?" I was happy to answer...
This would be great for those of us who use/prefer dark mode/theme on our Windows 10 systems and their apps. For example, see the attached screenshot...
I've used irfanview for years and I've never had a problem until recently. I used Windows 7 until recently where I was forced to "upgrade" to windows...