If you’ve seen notifications about an "updated" ROM on the Internet Archive (IA), you aren't seeing things. While the game has been out for years, files on IA are often refreshed for several reasons:
If you own the game, the most reliable way to get the latest content is through the official Nintendo Switch Support update process . mario kart 8 deluxe rom internet archive updated
Mastering the Tracks: Your Guide to Mario Kart 8 Deluxe and Digital Archiving If you’ve seen notifications about an "updated" ROM
Implications