Version 0.33 represents the last truly "free" major release of the RTGI shader before the developer moved to a Patreon-exclusive model (Martymod). For many gamers, 0.33 remains the most stable, lightweight, and accessible ray tracing solution available.
The ReShade Ray Traced Global Illumination (RTGI) shader, developed by Pascal Gilcher ("Marty McFly"), represents a breakthrough in post-processing graphics for legacy and modern video games. Version 0.33 introduced critical advancements in temporal stability and motion-aware lighting, effectively bridging the gap between standard rasterized graphics and modern hardware-accelerated ray tracing.