Display slightly too big

Hi Alex,
I am using: Debian Bookworm, kernel 6.1.0-22-rt-amd64.
The display is 1366x768
Your suggestion does not solve issue.
Any update new solution ?
Thank you.

Problem came back! Something updated, possibly Debian, and now my screen is too wide again. See attached photo. What's different is that I can't set it to Start as Windowed and then back to Start as Fullscreen to fix the problem. Also, the modification to Gmoccapy by alex_sar earlier in this thread does not work anymore, although it did for 6+ months.

My touchscreen monitor is set for native resolution, 1024 x 768

I have the latest version of Debian Bookworm.

I thought that updating everything might help, so I updated LinuxCNC from 2.92 to 2.93 and Gmoccapy from 3.4.6 to 3.4.8. No joy.

Help me newbynobi , you're my only hope!

I found a fix!
I'm running Debian Linux. Go to Settings - Display
Under Scale, pick Custom, and set X & Y to 1.1 See attached photo.
After that, the display fit on the screen!