SUMMARY *** Brightness app doesn't save settings. *** STEPS TO REPRODUCE 1. Change brightness. Click save. Reboot, brightness defaults back to 100% 2. 3. OBSERVED RESULT Brightness not saved or loaded at startup. EXPECTED RESULT Save brightness. SOFTWARE/OS VERSIONS MX Linux/KDE Plasma:
What is the "Brightness app"? I'm not aware of any places where you need to click Save after changing brightness. At any rate, please provide system/version information that was requested in a bug template.
Created attachment 160390 [details] brightness app
Created attachment 160391 [details] brightness save
My reply seems to have vanish but anyway, It's MX linux 21 with KDE desktop. I was unable to select that because it was missing from the menu.
I'm sorry, Chris. This "Brightness Systray" app doesn't look like anything supported by KDE. You should probably file a downstream bug report for MX linux 21 — which I personally first time hearing about btw.