In version 1.0, marrying the Witch Princess required exactly 10,000 animal deaths (impossible without cheating). In 1.1, the requirement was silently changed to a difficult but achievable threshold (giving her 10,000 gifts). If the ROM allows her heart level to rise through gifts, it's 1.1.
If you are looking at a ROM file or a physical cartridge, how do you know if it's the fixed version? harvest moon ds 1.1 rom
For Cartridge Collectors: Look at the back of the cartridge or the label. The version number is often printed in the bottom right corner of the label. In version 1
For Emulation/ROMs: This is tricky. Many ROM sites just label the file "Harvest Moon DS." You usually have to check the file properties or load the game and look for specific fixes. For Emulation/ROMs: This is tricky
To understand the value of the 1.1 ROM, you must first understand the disaster of the original release (often labeled version 1.0).
When Harvest Moon DS launched, it was ambitious to a fault. It used the same engine as Friends of Mineral Town (GBA) but added a vertical screen, touch controls, and a bizarre "Harvest Sprites" minigame collection. In theory, it was the definitive Harvest Moon. In practice, it was broken.