Version 1.1 adjusted some in-game trades. For instance, the Meowth traded on Route 5 has a different Original Trainer (OT) ID in 1.0. Purists argue that 1.0 offers the "authentic" original trade list.
A common question: Why choose Leaf Green 1.0 over Fire Red 1.0? The simple answer: Version-exclusive Pokémon. pokemon leaf green rom 1.0
In Leaf Green (the homage to the original Japanese Pocket Monsters Green), you catch: Version 1
For completionists aiming to "Catch 'Em All" across two GBA games, you need both versions. 1.0 ensures you can perform the original glitch-based Mew capture (using the Trainer-Fly glitch, ported from Gen I but works differently in Gen III 1.0) without the 1.1 patch blocking it. For completionists aiming to "Catch 'Em All" across
While discussing ROMs for research and preservation, it is important to note: