Version 2.1.03 I’ve just noticed that ANY file I open all of my cut layers and settings for each layer has changed and they are all wrong. Files that I have been working with for years the settings all wrong. Yes I made sure I am in the correct in/mm setting. Years of engraving and cut settings all …

Yes, changes were made, but we have you covered. :slight_smile: [image] PSA: Unit Settings Changes in LightBurn 2.1 Announcements We are aware of an issue causing some users to see a change in units used for their cut settings in version 2.1, and will hav…

Thank you. Any way to manually go back to previous settings using the toggle you referenced in the above note? Ballpark timing on the patch? Can’t get much work done without correct settings. Lots of trial and error to get things just right.

Can you post an image of your cut settings so we can see what you mean by “out of whack”? If it’s what Rick says, nothing has changed except how the values are displayed to you, and that’s trivial to change.

Here is screen shot of some boxes that I make. The first one referencing the fill is way off. This setting fills all the through my material now. Basically burns it all up. The second reference is a cut should be 15/90 and there is. kerf too that no longer applies. All of my files affected. Backups …

[image] epiclaser: Files that I have been working with for years the settings all wrong. Yes I made sure I am in the correct in/mm setting. Can you open the layer settings for the C05 layer and the C00 layer specifically and https://www.take-a-screenshot.org/ of those Cut Settings for us

Here is the view from the settings editor. [CleanShot 2026-08-13 at 14.55.27@2x]

Thank you - could you also provide us with a copy of the .lbrn2 file? Can you also confirm you are opening these files, not importing them into a new project - because this would apply your Layer Defaults [image] Default Layer Settings - LightBurn User Guide LightBurn allows you to modi…

RummiBox 2025_backup.lbrn2 (144.6 KB) Attached is the file. Also not an import. Do you want me to reset everything to defaults per the video???

I did look at my settings and see that the “Load default layer settings on new or restart” is set in the off position. I did not toggle on/off though.

Cut/Layer settings ALL changed

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Rick (Technical Evangelist) August 13, 2026, 7:02pm 2

Yes, changes were made, but we have you covered.