Wordpress resizes images to some specific sizes the theme can set. However, the images may also be smaller than any of these sizes. We currently scale up all images to full article width client side. I think we should just display them in their original resolution if they are smaller.
freaktechnik
commented
2 years ago 
vs.
Wordpress resizes images to some specific sizes the theme can set. However, the images may also be smaller than any of these sizes. We currently scale up all images to full article width client side. I think we should just display them in their original resolution if they are smaller.