| Bug ID | Description | Status in 1.6.03 | |--------|-------------|------------------| | LB-4217 | Scanning offset in horizontal mirror mode for fiber galvo | | | 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 |
If you are involved in laser engraving and cutting—whether as a hobbyist running a desktop diode laser or a professional operating a high-power CO2 or fiber laser—you have almost certainly heard of LightBurn . As the industry-standard laser software, LightBurn bridges the gap between design and fabrication, offering a unified interface for a wide array of laser controllers. LightBurn 1.6.03
Whether you're downloading LightBurn for the first time or sitting on version 1.5.x, upgrading to is a low-risk, high-reward move. The improved galvo preview, rotary wizard, memory efficiency, and critical bug fixes make it the most reliable version to date. | Bug ID | Description | Status in 1
| Feature | LightBurn 1.5.x | LightBurn 1.6.03 | |---------|----------------|------------------| | Material Library | Basic, manual entry | Expanded cloud-synced library | | Variable Text tool | Yes | Yes (improved font rendering) | | Fiber galvo support | Limited | Full with real-time preview | | Rotary setup | Manual steps | Wizard-assisted calibration | | Xtool S1/S2 support | Partial (beta) | Full (including limit switches) | | Performance (large jobs) | Good | Excellent | Update today, and spend less time wrestling with
If you’ve been postponing your update because of past horror stories with other software, rest easy. LightBurn 1.6.03 is stable, fast, and reliable. Update today, and spend less time wrestling with software—and more time creating. Have you tried LightBurn 1.6.03? Share your experience in the comments below. For laser troubleshooting, project galleries, and settings exchange, join the official LightBurn Community Forum.
Last updated: [Insert current date]. Specifications subject to change by LightBurn Software LLC.
A: No. Windows 7 is no longer supported. Minimum is Windows 10.