The enclosure tag will implement via the function rss_enclosure. This function has the filter hook rss_enclosure. So you can change the result via this hook. Here is a longer post about the how-to for audio files, this should help you.
To anyone who faces the same issue, the problem was caused by WP Smush. Once we deactivated it, images were uploaded within seconds. We use nginx and gzip is doing the necessary compression anyway. Kind Regards
Full size images are unmodified by default as it literally is the full size image. You could ensure the photo is a suitable size prior to uploading or restructure your theme so that full size images are not linked and are perhaps replaced by large images which can have their size set in WP Admin.
This is a little known error caused by creating a custom taxonomy called ‘type’. To solve just need to change the taxonomy’s name.
There is a very good plugin that I believe covers all you are looking for, and more: Scissors Continued. I’ve been using it extensively on several websites, and recommend it.
Extending wp.media.model, query media from different blog on network and refresh view
Upload video in custom folder
Media attachment pages giving 404’s
It’s not a pretty solution but I used the post__in attribute for this once in a custom plugin. Basically you usually define an array of attachment id’s to show in the media library. library: { type: ‘image’, post__in:[23,25,26] // or a javascript variable that contained the array of id’s } My code was originally built … Read more
What is the need to remove the full size images? Are you dealing with storage space? If not, why give yourself the headache? Just let the full size images stay where they are. You don’t have to use them. You’ll probably find a situation where you want to use it anyways. Also, I’ve never tried … Read more