Lossless Scaling V3.0.0.1 [better] -

Users can access advanced settings, such as enabling a "showDebugTab" by modifying CurrentSettings.ini in the GuiConfigs folder.

, though the developer recommends keeping it at lower levels (X2 or X3) for the best results unless you have a high-refresh-rate display (240Hz+). Critical Considerations & User Feedback Lossless Scaling V3.0.0.1