I uploaded a new image to use as a featured image on a post and chose it as the featured image, but on the front-end it doesn’t display: the source shows “img(unknown)”. All previous posts are displaying their featured images correctly.
1. I can use that same new image within the article itself, so it’s not a problem with the image file or path.
2. I can select a PREVIOUSLY UPLOADED (several months ago) image as the featured image and it WILL display properly on the frontend.
OR…
3. I can remove the Image Width setting in WP Show Posts (leaving it blank), use CSS to set the width for the featured images, and THEN the newly-uploaded image WILL display properly on the frontend.
So there is something funky going on…