I don't know why, but when I add URLs from the SteamDB RSS feed to FeedCord, it crashes after the URLs are loaded.
(Without errors log in console.)

After Add SteamDB RSS Feeds URLs:
CFG:

Console:

Before Add SteamDB RSS Feeds URLs:
CFG:

Console:

Exemple SteamDB RSS Feed URL:
https://steamdb.info/api/PatchnotesRSS/?appid=730