Some users have reported performance dips after the 4.04 series update on Switch. To maintain a steadier 30 FPS:
You are using script-heavy mods like Brothers in Arms or W3EE Redux . These mods often require a specific file signature from the witcher3.exe . If your game version shows "4.04.404b" in the main menu, you have a different checksum than someone on "4.04.404a". To ensure your mod merges work correctly with the community patch, you must match your update to the version the mod author used.
: Increased the height Geralt can fall before taking damage and added a "slow walk" option for controllers.
Geralt refastened his medallion and walked on. The rain stopped. In the distance, gulls began to quarrel over a strip of light on the water. The NSPUSUPDATE 404B packet settled under lid and leather, a quiet reminder that even a witcher, who traded in certainty, could be asked to trade in memory.
Herbs are now collected with a single interaction, removing the secondary loot window.
The NSP/USB update 404B you're referring to might be related to a specific patch or update for the game on the Nintendo Switch. I'm assuming it's a typo, and you meant NSP (Nintendo Switch Package) file.