Lightburn 1.3.01 | Portable Apr 2026

If you are running version 1.3.01, be aware of these common community-discussed hurdles:

Addressed a specific hang that occurred when the software reached 99% of a task [ 0.5.29 ]. The "Portable" Aspect LightBurn 1.3.01 | Portable

The most significant fix addressed a bug where framing speed was not correctly restored between sessions, which could lead to machine crashes or inaccurate alignment checks [ 0.5.2 ]. If you are running version 1

This version was a rapid-response update to address several workflow-breaking bugs: If you are running version 1.3.01

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

Specific DXF import errors (particularly from Fusion360) were flagged by users on both Windows and macOS, though some were later identified as sketch geometry errors [ 0.5.4 ].