A word of caution for WordPress, be careful before updating everything, no matter how insistent it is. Check all your plugins/themes are compatible first!
Create custom RSS feeds in WordPress
I couldn’t quite work out how best to do create a custom RSS feed in WordPress.
My task seemed simple enough, to make an RSS feed of news articles from popular news sources…but the RSS feed needed to link back to the original source, NOT the article in WordPress.
Writing the PHP script to generate the RSS was simple, but the final step was getting WordPress to serve that feed.
Here’s the documentation I used, in addition to a custom field: