RSS only showing summary, despite being set for full article

At my website jasonswadley.com, I’m having issues with the RSS feed. It’s set to show the full article in settings, but it’s only showing the summary. The feed is currently going through feedburner, but you can see that WordPress is spitting out the summary by looking at the feed at https://www.jasonswadley.com/rss

Any way to fix this? Could it be a problem with the theme or something else?