LightBurn 2.0.05 Patch Release

Rick · December 3, 2025, 9:04pm

LightBurn 2.0.05 is available for download now.

This release contains various fixes listed below:

2.0.05

Prevent app title bar from appearing off screen when stored window position offsets are incorrect.
Rotary jogging was flipping directions in CCW direction for rotary and XY controls.
Trim would fail if snipping a shape scaled to zero in X or Y
Added higher resolution images for unidirectional and offset fill types.
Increase galvo rotary limits
Units could get corrupted for galvo devices
Emblaser WiFi wizard dark mode issues on Windows due to Aero theme
Material library combo box was too wide
Deform on an image could glitch on parallel lines
Importing SVG with ungrouped DEF shapes could crash
Fixed issue with device settings incorrectly sizing custom gcode options tab contents.
Hide other bundle controls when editing vendor info
Added toggle switch to disable KT332N U → Z axis mapping
Galvo framing now gracefully handles when you have too many shapes
Art library crashed if files dropped when no library selected
Auto-join could crash in extremely rare cases from a float rounding issue
Tab drawing wasn’t saving/restoring drawing color
Added more logging to BSL code for startup/connect
Double-click to launch if unconfigured would crash
Resolution fixes for cut setting windows
Remove the null at the end of Adobe’s SVG paste data
Set Zero on BSL could hang the hardware
Fix for icons using incorrect scale value

2.0.04

Updated BSL library for MacOS
Fix for XTool position query

2.0.03

Empty shape could crash gcode generation
Bundle import could crash application
Fixes for macro panel issues
Fixes for single line font issues
Better handling of Enter key in Repeat Marking
Fixes for intersection snaps
Fix for BSL “Done Marking” signal issue
Fixes for shape docking issues
Further High DPI scaling fixes
Remove clamping for discrete jogging
Fix for continuous jogging in G54 mode
Fix for head mounted camera unit conversion
Fix for Mac OS Ruida rate limit issue
Fix for synchronous mode serial transmission issues
Updating displayed position to 0,0 after homing on Ruida
Fix for hotkey and menu conflicts in translations
SVG ‘s’ command didn’t work for sequences of points
Fix for Mac OS framing hang
Fix for a regression with newer Trocen hardware
Fixed issue with docks resetting to default layout every time app is started.
Fixed issue causing docks to consume entire window if operating system display scale is changed.
Global fix for Qt image size limitations
Fix for glitches with font chooser on Mac
Fix for Stop button not properly reseting laser state to off
Updating the logic & text of the device size mismatch warning
Fix for BSL lens correction

Existing Feature Updates

Move “library” buttons under the lib to allow shorter vertical (#1170)
Move “library” buttons into a menu to allow shorter vertical
Choose initial device units that make sense on manual create
Updated dash pattern to scale with DPI, made 1-pixel pen the default draw width
Updated BSL grayscale mode, 2nd source analog output switch
Allow Shift + RClick to flash layer

2.0.02

Fix for 3D slice crash
Fix for certain zoom levels causing performance issues
Fix for possible Ruida file corruption
Fix for barcode text rendering
Fix for some SVG import issues
Ability to create “Flash Layer Shapes” hotkey
Minor Tweaks to Cut Settings height

2.0.01

Fix for issues with High DPI scaling modes
Fix for XTool jogging back to zero between cuts
Fix for Go to Origin
Fix for dragging nodes in node-edit mode
Fix for Fire button power setting
Fix for galvo cut settings dialog layout
Fix for masked images when using 3D Slice mode
Fixes for various jogging issues
Fix for rotary mode not showing the enable indicator
Show error message when failing to load image due to memory limits
Display an error message when imported PDF has unsupported stream content
Enable relative arrow-jogs with ruida

2.0

Design Tools

Summary

New built-in shape types: Triangles, Pentagons, Octagons, Stars, and Dual Stars

Simple shape creation now also allows select / move / scale / rotate

Added “Select result” to Copy Along Path

Text shapes now have an option to remove newline if a variable text CSV field is empty

Added support for alpha channels in RGB and CMYK images in AI files

AprilTag and ArUco types added to barcode tool

Allow temporary undo/redo in Warp/Deform for movements

Setting to revert back to Select mode after drawing a shape

Added Tools > Multi-File Trace Image

UI Updates

Summary

Dark mode

Edit nodes toolbar

Move to Qt 6 framework

Added context menu to Cuts/Layers window for toggles

Stacked button for simple shape operations (Rect, Ellipse, Polygon, Star, etc)

Stacked button for boolean operations

Removed decimal points in Speed / Power display if not significant (makes it easier to read from a distance)

Display Core or Pro in window title

Force Light Color Scheme for Windows Qt6 and MacOS Qt5 & Qt6 versions

Application UI theme framework. Enables proper support for dark mode with white icons.

Added new expanding (accordion) container widget to allow for UI design with less clutter.

Galvo rotary window now lets you visually adjust the Output Center value

Updated Cut Settings Editor dialog resize method, allowing it to adapt to UI font size and desktop scaling, while also attempting to keep the dialog height limited for smaller screens.

Move devices management tools under Laser Tools menus

Material library icons now use theme colors.

Revert Dark theme preview colors to default.

Tweak labs theming for camera calibration

Add real icons to camera settings

Changed dark red text on “Additional” tab of Device Settings window to an appropriate theme color to improve readability on dark themes.

Improved margins, spacing and text styling for Custom GCode Options in Device Settings.

Fixed bug causing partial theme change if Windows theme is changed while app is running.

Camera

Summary

Expanded camera control options

Independent design and machine units

Faster camera calibration option

Camera Preview and Capture FPS

Case-insensitive camera ID matching

Shut down active cameras when monitor is asleep

Expanded camera controls

“Choose Camera First” requirement for camera wizards

Head camera alignment scaling allowed down to 1% to support microscopes over large beds

Apriltag pattern generator for head camera alignment wizard

AprilTag automated head-mounted camera alignment

New camera calibration process with live apriltag tracking

Camera control preview will now pause when the tab/window is not visible

Save Z height above material during head camera alignment

Faster lens calibration solver

Allow creating and loading extended camera lens calibrations

Optimizations and Improvements

Summary

Increased rendering speed of edit window by 20% for complex files

Increased speed of AI and DXF imports by about 50%

Added a check for duplicates on same layer when running a job

Added “Ignore Text” option for DXF imports

Setup Improvements

Summary

Added --devname (device name) command line argument to choose device on launch

Added LASER:LaserName command to UDP socket interface

Added ‘Focus Light’ button for BSL lasers to enable 2nd focus dot

Automatically load the most recent prefs backup if failed to load prefs.ini on startup

Allow setting of units during device creation

Added support for dragging between Art Libraries

Added ‘Focus Light’ button for BSL lasers to enable 2nd focus dot

Added a setting to specify you have an RF tube, to disable the “min power == 0” warning.

Reconnect the device after updating machine settings

Add Send to Laser option for Material Test

Allow the user to select whether a GCode device should be regularly polled for the tool position

Allow dual laser source in Custom GCode

Emblaser Pro laser focus calibration wizard

Emblaser Pro firmware upload process requires manual reset step

Improve IP input control

Existing Feature Updates

Summary

Added Groupbox, RadioButton and Spinbox Widgets to ProtocolSettings.

Auto-init sim parameters for galvos, allow “Read from controller” (faked, but good settings)

Tweaked DXF spline simplifier to do less damage to small shapes

Added variable power / constant power to XTool protocol

Restore file load was no longer happening at the right time

Improved performance of Warp / Deform by not rebuilding Cuts/Layers with every update

Faster Taper Warp tool update (don’t redraw Cuts/Layers constantly)

Allow up to 5000 mm/sec for reverse interval speeds

BSL SDK update, freq limit fix

Added BSL connection message

Typo fix in BSL update

BSL libraries update to stop crash on disconnect

Changes for Emblaser3

BSL libraries update to fix unplug crash on Mac / Linux

Allow decimals in firmware filename for E3 upload

Removed old API call from BSL proto

Added missing translation context to backup browser

Added missing translation context to backup browser

Tweaks to EmblaserPro menu options

Updates to initial EmblaserPro settings

EmblaserPro WIFI connect now functional

Tweaks for Emblaser3 GCode output & menu

Added support for CO2 analog output to BSL protocol

Minor Emblaser wording tweak

Minor compilation speedup

Re-ordered windows in the “Window” menu to make more sense

EZCad device isn’t “busy” if not connected.

Material test speed limit upped to 15k for galvos

Add support for 2nd laser source to JCZ device

Changed “set laser source” command to streamed version

Detect support for dual-source JCZ auto-switch

Sort material test swatches by “heat” output

Double click macro in manager to edit.

Offsetter can now show progress for Offset fills, faster offset sorting

Improved handling for XTool D1 with homing command

Fixed “simple mode” to not suppress galvo features, like alt source on Sculpfun

Don’t keep empty flattened shapes

Faster deform output for bitmaps

Updated rotary images for Boss lasers

Node edit now highlights closed paths with a bright green start/end node

Emblaser Pro updates

Change Emblaser3 to use new camera lens calibration

Added grayscale support for BSL devices

Save background size / shift values with camera settings

Added support for ‘week of year’ in ISO-8061

Remember galvo rotary jog step between runs

Taper Warp now supports inches

Finally got the language / system locale to play nice together

Finally got the language / system locale to play nice together

All numeric labels now use locale settings

Added ability to move layers up/down with hotkeys

Spacing tweaks for “license expiring soon” pop-up

Enable ability to rescale galvo field

Improved rendering of bent RTL text

License flow fix for new renew notice callback system

License flow fix for new system

Remove the network option for XTool specific protocol (for now)

Disable controls if optimizations disabled

Added ‘Auto Center Imported Files’ option

Allow more precision for camera align/scale

Tell users that importing their config is really important.

Added automatic SVG DPI setting for Illustrator / Inkscape files

Do not clamp laser Z moves

Optimize GRBL device framing to the same standard as generic GCode devices

Increase allowed CO2 freq setting to 200khz

Press F1 on galvo framing to cycle through the three modes (bound, hull, contour)

Frame and Start behaved differently with uncommitted changes

Added info to invalid proxy warning

Update “position laser” tool to change cursor to indicate snapping

Allow un-modified media buttons as hotkeys

Initial support for RD8445

Bug Fixes

Summary

Get Controller Info wasn’t being called properly.

Colors of the Legend in the Preview are off if "â€¦

Colors of the Legend in the Preview are off if “Invert” is enabled

Recognize Emblaser Pro “Cannot run External GCode while a Job is queued or running” error code

Fixed font scaling bug that can occur while adjusting the font size slider, located in the Display tab of the settings window.

Preview wasn’t displaying wobble

Make fonts saved in 2.0 compatible with older versions

Fix Show Last Position

Network Address is validated even for non DSP coâ€¦

Network Address is validated even for non DSP controllers

Fix the GoTo button functionality on GCode devices.

Head camera alignment was not using entered tag size

Prevent extreme fisheye projection infinities in head-mounted camera wizard

Prevent extreme fisheye projection infinities from crashing the diagram in the head mounted camera wizard

Galvo auto-rotate scan angle was not being reset between jobs

Handle cancel of Offset Fill

Invalid custom GCode blocks were getting hidden

When framing first, job was continuing if canceled after out of bounds warning

Large images might not load with Qt6 build

ENG.Tool.pos was set to WPOS instead of MPOS

Missing LB_LASER definition

ArtLibrary replace and rename were swapped

XTool GCode output in mm only

Galvo rotary / continuous marking would freeze because of an incomplete state setting

ToolState (jog speed, dist, etc) weren’t being restored properly

Spelling & Grammar fix for Messagebox when attempting to adjust image with pass-through enabled.

Jogging from move/control panel now works in relative and absolute mode

Prevented â€œUse Selection Originâ€ setting being shown when in beginner mode.

Converting float to String missing in Protocol_Gcode_Base::JogStart.

Grouped masks when grouped with the masked image didn’t save correctly

Tabs in grouped shapes were not immediately generated

BSL corfile wasn’t being correctly loaded

Make sure Move panel always shows up by default

Changed the way Message boxes determine which option was selected so the correct result is returned in both Qt5 and Qt6.

Ensure settings dialog always opens on first tab

Virtual Camera on MacOS were crashing

Jogging checks for GCode devices

ShowTwoChoices was configured only for Qt5 responses

Barcode shape was leaking memory

Extreme perspective overhead cameras were breaking new overlay reprojection

Fixed crash from UCCNC not having a comms thread

Preload sound effects and just trigger them when needed

Live font update while selecting in combo box for Qt6

Parse GRBL position correctly when reporting in inches.

When parsing a DXF, handle CR/LF in either order, BUT properly handle blank lines (2nd instance is not skipped)

Prevent crash when setting freq > 1000kHz on BSL cards

Don’t try to remove overlapping lines on offset fills

xTool’s parser is broken, so always emit X & Y values when cutting

Ctrl+Click for node edit is more consistent, double-click no longer deselects all, removed some debug output

Fixed settings and cut settings layouts

Multi-action button timer-popup would leave button un-checked if the user cancelled out of the menu

Fixed some spacing issues with Device Settings window

Fill core_machinecontrol for spindle, coolant, and vacuum

Lazy fix backup text path orientation so sharing works

Fixed column spacing for frame dialog

Reverted New Device Wizard style setting back to Aero

Added support for AI / PDF files with null objects

Don’t allow Trim (scissors) on locked shapes

DXF inline MTEXT height was not applying unit scaling (wrong font height sometimes)

Using cylinder correction with global passes could cause part of the path to be skipped

Dev units were not always getting properly set on first app launch

Incorrect jogging behavior in head camera wizard

Enable word-wrap in evaluated label of barcode text, so dialog doesn’t widen

Extra camera streams were being started unnecessarily

App was crashing when trying to manage saved positions

App was crashing when trying to manage saved positions without being connected

Emblaser was not returning to correct Z-height for head camera scan

Necessary imageformats module was not installed for Qt6

Custom GCode framing was not in constant power mode

Framing was sometimes turning off the laser afterwards even though Fire button is pressed

Material Test center value was not saving

Fixed crash in BSL protocol during Find My Laser

Force galvo grayscale to output per-pixel commands

Emblaser Pro was not reporting position status correctly

Emblaser Pro protocol was not reporting position status correctly

Show “System Theme” if user has not set a theme.

Optimize shapes was wrapping around on open shapes

Cut Builder path clustering was crashing (fixed / reported on forum)

Pressing enter in some camera dialog distance spinboxes would activate nearby buttons

Fix switching between metric and imperial in EasyFloatWidget

Fix edgecase crash in prim/vert cache loading

UI Style change for; New Device Wizard, USB Device Wizard, Bridge Discovery Wizard to ensure they respect application theme and all text is readable.

Better detection of shared nodes in Trim / Scissor tool (now handles intersections at nodes correctly)

Fixing GRBL error 24 on pause/resume.

Prevent download from crashing on DNS fail

Pause resume checks were overzealous and causing issues.

Fixing late night bugfix that introduced another bug on pause/resume for GRBL.

FillCameraFPS was crashing, possibly when unusual cameras had no valid modes

Theming and Icon Recolor bug fixes

Allow device size mismatch to work correctly when imperial dev units are selected

Fix “Disable alllayers” typo

Allow disabling G53 being emitted in Custom GCode.

Added missing unit conversion for the GoTo position inputs in the move laser widget.

Remove null-terminator from strings before using “endswith”

Machine size mismatch logic failed with swapped X/Y axis

Fixing theme related bugs reported in LightBurn 2.0 RC2.

Screensaver would pause camera preview in wizards but not resume afterwards

Memory leak in camera overlay

Camera FPS selection list sometimes had a 0 option, and was not clearing when no camera was selected

Clarifying and updating behavior of the device size mismatch dialog

Using Go To X=0 Y=0 would not move X/Y coordinates if using non-relative movement.

Select smaller than shouldn’t include locked or hidden shapes

Red-light always on wasn’t triggered on connect for BSL devices

Correctly update sizing of Node Edit toolbar

Fixed preview line color visibility.

Doing a crosshair update when pressing the “Get Position” or “Go To” buttons.

Cut settings overscan value now updates correctly as overscan % spinbox value is changed.

Isolated variables when doing a simple command query instead of using the templating for custom GCode.

Image resampler wasn’t handling a couple out-of-bounds cases

Hide all panels on F12

Move the tool indicator in the edit window when jogging with buttons and not just keyboard moves.

Preview color for Traverse/Move does not match previous LightBurn versions.

Fixed issue with saving theme selection on MacOS.

Custom GCode string variables access was incorrect.

When editing an existing virtual array, need to set the shape copy callback

PointIntersectsCurve() had precision issues and could false trigger

PointIntersectsCurve had precision issues and could false trigger

Attempting to resolve the signing issue again.

Consistency check was firing when running debug builds

Display name of device was getting nuked in wizard when changing other values

Bundle import would warn if the file was created by a later Major Version Number, but not Minor.

Fixed taper warp parallelogram case, also tripled the speed

Star shapes wouldn’t select if grouped and moved

Keeping the laser fire state while using the Go To button

Adding missing key adjustments for the jogging distance on Z axis

Trim tool could mangle open compound paths

Auto-Join now also tries to close shapes, Close() wasn’t setting the “ClosedDirty” flag

Fixing the jogging issues for GCode machines

Fixed directory creation issue on MacOS.

Fix initialization of device units in device settings

Fixing XTool protocol homing and jogging behavior.

Fixing the ToolModel to return WPOS instead of MPOS in LightBurn

Prevent app hang on close when network Ruida device selected

Prevent app hang on open/close projects when network Ruida device selected

Updated drag string behavior to show both line ends correctly

Fixed speed output units in Variable Text Cut Setting mode

Remove Qt version check from Connection_UDP::GetMaxPacketSize

HSpace value messed up alignment

Baking variable text didn’t update shape bounds

Don’t render shapes with zero prims as a single dot

Trace shouldn’t crash if given an empty image

QT bug on importing SVG hex-based colors

Correctly handle comma vs period numeric separator for different locales

Patterned vector fills could crash the AI file importer

Click or drag selection of a node could add to the list multiple times

Logic for grid array total size was not working for total width/height calculations

Fixed text centering / alignment

Fixed issue causing Laser Move window to overwrite the users Jog Speed and Distance values if the Laser Power was set above 0%.

Grouped images framed wrong after moving

Double-click + drag now shows drag rect

Numbers with group separators broke the parser

Unnamed/unused DXF insert blocks weren’t cleaned up properly

Cancelling 3D slice would continue to burn

Device settings “query regularly for device position” label widened

Material test size wasn’t based on visible output

Linked material layers would retain layer index when edited with galvo profile

Added an error message if export failed

Sketch trace was inverted

Camera preview vertical alignment

Occasional GCode protocol crash when editing and exporting devices

Don’t allow two modeless dialogs to open at the same time

DSP position query wasn’t updating WPOS

Support Height should be a per-device preference, not a global preference

Head camera alignment wizard Support Height and Material Height control behavior fixed

Head camera Z position was being double-converted on imperial machines

Resolve LB crash-on-exit introduced in earlier fix

Head mounted camera overlay progress dialog fixes

Fixed issue with cut settings window being too large for smaller monitors.

Page scale no longer includes shapes from hidden layers when printing.

Use Selection Origin should be disabled in ‘Absolute’ mode

Show barcode cursor while in create mode, disallow creation while the pop-up is displayed

Custom GCode dual tool was not always outputting tool on

Ellipse tool ovals are not exporting properly to DXF.

Save Ellipse EndParam with double precision as float value is rounded up by qt and is > 2Pi

Fixed “Port failed to open - already in use?” messages when reconnecting to same device

Allow importing vendor bundles from devices import

On emblaser, save and restore extra head camera preferences to lensdata.txt

New camera lens calibration wizard was not storing resolution

Include cameraHeadZStart in camera settings export/import

Was not saving/restoring cameraSizeX/Y settings to Emblaser lensdata.txt

Cut Shapes didn’t always work at node intersections

Instanced shapes with no units were positioned incorrectly

Don’t allow any barcode create / drag / select if a dialog is up

Suppress kerf warning on filled shapes

GCode settings were not being shown for LinuxCNC and Custom GCode

Show save GCode button even in beginner mode for LinuxCNC

Head-mounted Cameras would crash after Trace

Don’t use infinite timeout for Ruida serial send

Ruida auto-home flags were wrong

Fixed a bug in the Ruida setting for limits enable

Miscellaneous

Summary

Added bundle text to Import Preferences button in devices dialog

Fix zstd license typo

Emblaser Pro changes

Filter out system default serial ports on Mac OS

Added forced EULA acceptance on application start

Title case consistency

Display warning to user when configured machine size doesn’t match reported machine size

Wrong app name used in crash message

Change Log now automatically downloaded and displayed to the user

Change Log now automatically downloaded and displayed to the user when a new version is available

Keep track of Imperial vs Metric mode internally

BSL Config page said EZCad

Allow full GS1 barcode support

Only allow exporting bundles from devices dialog

Allow importing bundles from devices dialog

Prevent update notification popup from showing until after new project dialog

Minor tweak to self check

Save Cylinder Correction and Rotary configs to project

Remove Grbl M3 and LPC as options from Find My Laser

Remove the Emblaser specific first run popup

Update references to FTDI driver in installers

Limit installer from running on unsupported Windows versions

Added consistency check comments

Emit the entered license key to debug because sometimes it has incorrect characters

Implement proper tooltips for all image mode controls

Warn user if rotary config loaded while using Ruida device

Fixed “Require Framing” galvo tooltip

Do not show rotary axis config for Custom GCode devices

Cleaned up some runtime debug warnings