On a standard, unmodded Switch, updating a game through the eShop is safe. On a CFW Switch, however:
: Often recommended for its "MTP Responder" mode, which allows you to drag and drop files directly from your PC's file explorer into a "NAND" or "SD Card" folder on the Switch.
This was the largest update to the game. If your copy is outdated, you are missing a massive chunk of content.
If you truly love the game:
Turn off your console completely and remove your microSD card.
On a standard, unmodded Switch, updating a game through the eShop is safe. On a CFW Switch, however:
: Often recommended for its "MTP Responder" mode, which allows you to drag and drop files directly from your PC's file explorer into a "NAND" or "SD Card" folder on the Switch.
This was the largest update to the game. If your copy is outdated, you are missing a massive chunk of content.
If you truly love the game:
Turn off your console completely and remove your microSD card.