In versions 1.00 and 1.01, the netcode for local hit detection was slightly slower. The v1.02 rewrite changed how "stale move negation" and "hitbox priority" worked. On inferior ISOs, players experience phantom hits (where a move clearly connects visually but does not register). The 1.02 ISO reduces this error margin to near zero.
: Almost all modern tournament setups use v1.02, ensuring your practice translates directly to competitive environments. super smash bros melee 102 iso better exclusive
: In 1.00, these moves lacked hitlag, making them harder to Smash DI (Directional Influence) out of. 1.02 added hitlag, effectively weakening these moves as defensive tools. In versions 1