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400+ Arch Linux AUR Packages Compromised in a Supply Chain Attack Deploying Infostealers
(cybersecuritynews.com)
This is a most excellent place for technology news and articles.
Probably not. The article says that most of it seems to have come from orphaned stuff in the AUR that the threat actors took ownership of via the legit process, then modified to pull down malicious NPM packages when someone went to install them.
So if your Discord package is well maintained you probably have nothing to worry about.