Changing shortcut and setting this works: https://commons.wikimedia.org/wiki/File:Huggle_dpi_trick.png

But it needs to be incorporated into installer so that every user has it checked by default.

I would like to work on this task, but I will need help getting started.

In T177722#3697630, @Ilanosortap wrote:

I would like to work on this task, but I will need help getting started.

I would like to help you, but I don't know either. You would need to study the documentation of Qt to figure out how to fix this problem, which is also my plan: http://doc.qt.io/qt-5/highdpi.html