PTMG v2.1 was released before the modern SilentPatch was mandatory. If you experience frame rate drops on modern GPUs (RTX 3060+), you can manually drop the SilentPatch.asi into the root folder, but test it first – it may conflict with the custom shaders.
The "PTMG Edition" is essentially a customized version of the game meant to be played on a modified PlayStation 2 console (using a hard drive or swap disc) or emulated on a PC. It represents the pinnacle of "Console Modding," where the boundaries of the hardware were pushed to their absolute limits. GTA San Andreas PTMG v2.1.iso
Updated textures, improved lighting, and widescreen support to make the 2004 title look more respectable on modern high-definition displays. Gameplay Additions: PTMG v2
