One modder, username , tried to reverse-engineer the patch. He found a single line of assembly code buried in the Title Screen executable:
Goku laughed, placing two fingers on his forehead. "Thanks, Trunks! Catch you later!" dragon ball z kakarot update v1031codex
Dragon Ball Z: Kakarot - New Ultra Instinct Goku Update (Mod) RikudouFox YouTube• Jun 18, 2023 One modder, username , tried to reverse-engineer the patch