If you're having trouble with a like the Art Library or Camera
Users engraving high-DPI photographs (e.g., 300+ DPI on a 12"x12" area) previously experienced 10–15 second lag before switching to "Burn" mode. In 1.6.03, the job processing engine has been optimized, reducing lag to under 3 seconds. LightBurn 1.6.03
| Metric | LightBurn 1.4.05 (Stable) | LightBurn 1.6.03 (Beta) | Result | | :--- | :--- | :--- | :--- | | | ~4.2 seconds | ~3.8 seconds | Improved | | Large SVG Import | 2.4 seconds | 1.1 seconds | Significantly Improved | | G-Code Generation | Instant | Instant | Consistent | | Memory Usage | ~280MB (Idle) | ~310MB (Idle) | Slight Increase | If you're having trouble with a like the
LightBurn uses GPU acceleration for canvas pan/zoom and layer previews. Version 1.6.03 fixes a memory leak that caused the application to consume >2GB of RAM on long editing sessions. Heavy users report stable usage around 450MB–700MB. Version 1
To truly maximize this version, use these pro-level tricks:
