Version 7.7.4 Trying to get WebP working. I have installed the WebP package of ImageProcessor. I installed the C++ Redistributable Package and the varous steps here: https://piotrbach.com/enable-webp-image-format-in-umbraco-cms/#1-install-imageprocessor-s-webp-plugin

I have helper code from another site where the WebP images do work which generates picture, source, img tags. However it doesn't work. I get the following:

<picture><source sizes="(max-width: 360px) 360px,800px" srcset="/media/1854/lx3003.jpg?mode=crop&amp;width=360&amp;format=webp&amp;quality=80 360w,/media/1854/lx3003.jpg?mode=crop&amp;width=720&amp;format=webp&amp;quality=80 720w,/media/1854/lx3003.jpg?mode=crop&amp;width=800&amp;height=600&amp;format=webp&amp;quality=80 800w,/media/1854/lx3003.jpg?mode=crop&amp;width=1600&amp;height=1200&amp;format=webp&amp;quality=80 1600w" type="image/webp">
    <img height="600" loading="lazy" sizes="(max-width: 360px) 360px,800px" src="/media/1854/lx3003.jpg?mode=pad&amp;width=800&amp;height=600" srcset="/media/1854/lx3003.jpg?mode=crop&amp;quality=80&amp;width=360 360w,/media/1854/lx3003.jpg?mode=crop&amp;quality=80&amp;width=720 720w,/media/1854/lx3003.jpg?mode=crop&amp;quality=80&amp;width=800&amp;height=600 800w,/media/1854/lx3003.jpg?mode=crop&amp;quality=80&amp;width=1600&amp;height=1200 1600w" width="800"></picture>

It says type="image/webp" but Network still has them as jpg. Mime type is set up in web.config. What else am I missing? Thanks