
In v1.0, fishing at specific ponds (especially the one in the Goddess Spring) had a 10% chance of hard-locking the console. You’d cast your line, the bobber would sink, and the music would stop. Forever.
In v1.0, if you used the elevator in the third mine (Lake Mine), the game would occasionally load you into solid rock, trapping you permanently. The only fix was to reset and lose the day. harvest moon ds 11 rom upd
If you are looking for an "update" or a specific ROM version, it is usually for one of three reasons: fixing game-breaking bugs in the original release, applying a fan translation, or differentiating between the Boy and Girl versions. A bug in v1
A bug in v1.0 prevented the Choker (necklace) found in the mines from appearing in the shipped items list. Since you must ship every item to marry her, she was unmarriageable until v1.1 fixed this tracking issue. this rendered the endgame unplayable.
This was the most notorious bug. Attempting to enter the TV Shopping channel on Winter 10th would instantly crash the game. Since you needed the shopping channel to buy essential blueprints (like the bathroom), this rendered the endgame unplayable.