Lightburn 1.3.01 | Portable Apr 2026

3.01, or are you trying to the software to run from a USB drive?

Ensure "Additional Settings > Read From Controller" is used to synchronize the software's time estimates with the actual machine speeds [ 0.5.8 ]. LightBurn 1.3.01 | Portable

Some users experienced lost USB connections after updating. A common fix is to manually re-select the COM port or restart the laser before launching the software [ 0.5.5 , 0.5.11 ]. LightBurn 1.3.01 | Portable