There was a later "Shindou" update in Japan that added Rumble Pak support and removed the "Backward Long Jump" (BLJ) glitch. However, the "USA" ROM remains the gold standard for Speedrunners because it keeps those glitches intact.
The phenomenon of Super Mario 64 ROM hacks, exemplified by the Z64 USA NEW variant, showcases the enduring appeal of classic games and the creativity of their fanbase. While navigating the complex legal and ethical considerations surrounding ROMs and their modifications, fans continue to find ways to celebrate and reimagine these iconic titles. super mario 64 rom z64 usa new