If you are looking for the Portable version, it is important to note that the developer releases updates on Steam first. The portable version is usually available via the official website or GitHub, but it often lags slightly behind the Steam build in terms of immediate patch notes.
4. HDR Support (Experimental)
Recent updates have added preliminary support for capturing and outputting HDR content. This is crucial for modern handhelds (like the Legion Go or ROG Ally X) that have HDR screens.
Click "Scale" and switch back to your game window within 5 seconds. The Verdict
The software has seen significant improvements as of early 2026, moving from LSFG 1.0 to the highly refined LSFG 3.0 and 3.1 models.
Pro Tip: Do not store the application on a slow USB 2.0 drive. USB 3.0 or faster is mandatory to avoid micro-stutters, as frame generation requires quick access to game buffers.
- Use LSFG 2.1.
- Set the game to 40 FPS or 30 FPS.
- Use Lossless Scaling to double it to 80 FPS or 60 FPS.
- Result: Significant battery savings because the APU renders fewer frames, but the display shows smooth motion.
Linux/Steam Deck Support: While a Windows-native app, it can be used on Steam Deck via tools like the Decky Plugin which manages the underlying Linux compatibility layer [11, 21]. Pros & Cons
Roadmap (v3.0):