I am running X11 on Kubuntu 21.04 and Plasma 5.21.4. When i run the "qt-unified-linux-x64-4.1.1-online.run" which is the current installer from qt.io the Installer looks like this:
Which has a way too small Font for me to read it. The cmd: "xrdb -query | grep Xft" returns this:
which to me indicates that the dpi setting does not appear to be set, and that it might be confusing either the X11 server or Qt. So i ran "xdpyinfo | grep resolution" and "xdpyinfo | grep resolution" which returned:
and 3*1920 matches 5760. I also checked:
and tried to run these export commands before running the installer:
which seems to change nothing and
which seems to make the Window size bigger and text somewhat readable but is still very small and hard to read.