Featured Images as media:content in RSS
Adds each post's featured image to the RSS feed as a media:content element, the format email newsletter tools and feed readers use to show a thumbnail.
Snippet Library
RSS Feeds snippets for WordPress
Snippets for WordPress RSS feeds: add featured images and custom post types, delay publishing to feeds, credit your site on scraped content or turn feeds off. For publishers and podcasters whose readers follow along by feed or email.
Keep Old Feed Addresses Working After Moving to WordPress
Redirects feed addresses used by Blogger, Ghost, Jekyll, Hugo and other platforms, such as /rss.xml or /feeds/posts/default, to your WordPress feed, so existing subscribers keep receiving posts.