To help you decide whether to stick with an older version or upgrade to the modern experience, here is a comparison table. While any version of Lossless Scaling has value, the modern versions are significantly more powerful and refined.
The 2021 version (v3.0.0.2) was critical because it refined these algorithms, providing a better balance between visual quality and frames-per-second (FPS) gain compared to its predecessors. Key Features of the 2021 Update lossless scaling download gratis v3002 2021