Date: May 24, 2024 Subject: Evaluation of LightBurn Software Version 1.6.03 Classification: Beta / Early Access Release
While not a feature-packed major release, 1.6.03 introduces subtle but powerful improvements.
LightBurn has established itself as the gold standard for laser engraving and cutting software, offering a powerful, intuitive alternative to vendor-specific tools like LaserGRBL or EZCad. The release of version 1.6.03 represents a maintenance and stability update within the v1.6 branch, focusing on polishing existing features, squashing bugs, and improving hardware compatibility rather than introducing sweeping new tools. LightBurn 1.6.03
While 1.6.03 focuses on stability, it carries the flagship features introduced in the 1.6 update cycle. These represent significant upgrades for professionals and hobbyists alike.
For users working with curves and nodes, the 1.6 branch improved tangent handles. This makes it easier to create smooth transitions between straight lines and curves, which is critical for creating high-quality vectors for cutting. Date: May 24, 2024 Subject: Evaluation of LightBurn
A: Yes, but you must uninstall 1.6.03 first and reinstall 1.5.07. Note that device profiles created in 1.6.x may not be backward compatible.
No software changelog is complete without bug fixes. Here are the most critical resolved issues: A: Yes, but you must uninstall 1
| Bug ID | Description | Status in 1.6.03 |
|--------|-------------|------------------|
| LB-4217 | Scanning offset in horizontal mirror mode for fiber galvo | Fixed |
| LB-4352 | Crash when importing corrupted SVG containing empty <g> tags | Fixed |
| LB-4380 | Rotary wrap calculation off by ~3mm for diameter < 30mm | Fixed |
| LB-4401 | "Cut Selected Graphics" ignores layer order when overlapping shapes | Fixed |
| LB-4415 | Xtool S1 proximity sensor not recognized in Device Settings | Fixed |
| LB-4430 | Mac version flickers when switching between workspaces | Fixed |
Additionally, a rare but irritating bug where the "Offset Fill" pattern left micro-gaps between lines on diode lasers has been resolved. The gap was traced to a floating-point rounding error; 1.6.03 now rounds to 0.001mm precision.