The modern Melee ecosystem operates almost entirely using the 1.02 NTSC ISO as a clean canvas. Community developers build custom launchers and rollback netplay setups directly on top of this 1.35 GB file.
When you load the ISO in Dolphin, the emulator will show the apploader date. The 1.02 version generally has a main.dol date of February 13, 2002. 1.02 ISO vs. Other Versions (1.00, 1.01, PAL) super smash bros melee 102 iso top