The "interesting" nature of this specific version likely stems from the massive boosts to resource acquisition, which made the game significantly less "grindy": :
: The sale value of expansion parts and uncapping materials saw substantial increases (up to 5x for lower rarities). SD.GUNDAM.BATTLE.ALLIANCE.v1.30.part4.rar
If you are trying to use this specific .rar part, remember that you need all other parts (part1, part2, etc.) in the same folder to successfully extract the full update or game files. The "interesting" nature of this specific version likely
Enemy capital drops increased by on Easy/Normal and 1.5x on Hard. SD.GUNDAM.BATTLE.ALLIANCE.v1.30.part4.rar