Lightburn 1.6.03 May 2026

Lightburn 1.6.03 May 2026

LightBurn 1.6.03 is a critical patch release designed to stabilize the significant features introduced in the 1.6.xx development cycle. Released on June 25, 2024, this version primarily addresses user confusion regarding default layer settings and fixes specific font-related bugs. 🛠️ Key Improvements in 1.6.03

Ensure your laser is selected at the bottom of the "Laser" tab if the workspace appears blank after updating. LightBurn 1.6.03

Improved compatibility for machines that utilize negative coordinate systems. Optimization & Efficiency LightBurn 1

The User Bundles feature allows you to export all your devices, libraries, and settings into a single .lbzip file, making it easy to migrate to a new computer. Enhanced Geometry Controls preventing accidental changes during selection.

You must now hold the Ctrl (Windows) or Cmd (Mac) key to enable draggable handles for corner radiuses and polygon sides, preventing accidental changes during selection.

10.13 or later (though 1.6.03 supports back to 10.11 for older hardware). Linux: 64-bit Ubuntu 20.04 or later. If you'd like, let me know: What type of laser you use (Diode, CO2, or Galvo?) If you're upgrading from version 1.5 or earlier