The headline feature of the 3.x branch has been LSFG 3.0. In v3.1.0.0, the developers have focused on . Unlike previous iterations, this version introduces better frame pacing when the base frame rate fluctuates heavily. Users running games locked at 30 FPS can now generate 60 or 120 FPS with noticeably fewer visual artifacts around UI elements and HUDs.
: Supports multiple scaling types (like LS1, AMD FSR, and Nvidia NIS) for games that do not have native upscaling. Setup & Requirements
Steam's latest lossless scaling update - Jon Peddie Research
This is the elephant in the room. Any frame generation injects latency because you are displaying a "future" frame that hasn't been rendered by the game engine. NVIDIA DLSS 3 uses Reflex to mitigate this; Lossless Scaling cannot access Reflex.
: Turn off VSync within the game settings to avoid conflicts with the software's own frame pacing.