The grey background image fills only the right side of the about dialog.
Manjaro Linux KDE Plasma 5, scaling factor 2
Build ID: 5.3.3-1
CPU Threads: 4; OS Version: Linux 4.11; UI Render: default; VCL: kde4; Layout Engine: new;
Locale: en-US (en_US.UTF-8); Calc: group
Would be nice with the screenshot. :D
Created attachment 133647 [details]
Imagined screenshot of the situation
I already put the laptop away and I can't be bothered to reopen and do all that work on it, so I made a mockup on my desktop machine. I hope it is enough.
This issue is no longer applicable to 6.0 and beyond, because we dropped that background. There were several other issues related to accessibility that it wasn’t worth it keeping it around.