Created attachment 125787 [details]
ksysguardMemoryDetails.png

If you right-click on a process listed in ksysguard, and click the "Detailed Memory Information" option, the window (that pops up) contains text that doesn't honor the font-sizes set via KDE's system settings font utility.

This accessibility issue is especially pronounced on 4K monitors.

Screenshot: http://neartalk.com/ss/ksysguardMemoryDetails.png

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: ksysguard 4:5.16.5-0ubuntu2
ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
Uname: Linux 5.3.0-29-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Feb 9 10:02:59 2020
InstallationDate: Installed on 2020-02-03 (6 days ago)
InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ksysguard
UpgradeStatus: No upgrade log present (probably fresh install)

OS: Ubuntu 19.10 x86_64 
Host: Bonobo WS bonw13 
Kernel: 5.3.0-29-generic 
Packages: 2921 (dpkg), 9 (snap) 
Shell: bash 5.0.3 
Resolution: 3840x2160, 3840x2160, 3840x2160 
DE: KDE 
WM: KWin 
Theme: Breeze Dark [KDE], Breeze [GTK2/3] 
Icons: breeze-dark [KDE], breeze [GTK2/3] 
Terminal: terminator 
CPU: Intel i7-8700 (12) @ 4.600GHz 
GPU: NVIDIA GeForce GTX 1070 Mobile 
Memory: 7210MiB / 64265MiB