I'm using the media entity from Drupal core together with the media library, to handle media on my site.
Remote Video and
Image with crop media types. I'm using the
image_widget_crop modules to manually crop images on my site.
Remote video supports
Right now the thumbnail is automatically generated, but I want to be able to upload a custom thumbnail. If no custom thumbnail is provided, it will just use the auto generated one.
I found this guide, but it is for Drupal 7.
Has anyone done something similar to this in Drupal 8?