[Development] QTBUG-95930 / QTBUG-99546 need some attention

[Ilya Fedin]

On Fri, 20 May 2022 10:31:03 +0000
Morten Sørvig <Morten.Sorvig at qt.io> wrote:

> That’s fair point. The QT_ environment variables are often sharp
> tools, and do make it possible to configure Qt in such a way that it
> appears broken.
> 
> I’m not sure I see what KDE could realistically change here - given
> that they want to continue to set QT_SCREEN_SCALE_FACTORS, also with
> fractional factors since that works for most/many apps. Did you have
> a specific solution in mind?
> 
> Continuing on the more pragmatic track, I’ve pushed a change to add
> rounding support, along with some additional testing:
> https://codereview.qt-project.org/c/qt/qtbase/+/412296
> 
> Morten

Couldn't they use Xft.dpi or Xft/DPI (and maybe
QT_ENABLE_HIGHDPI_SCALING=1 for Qt 5 applications) as suggested by
https://doc.qt.io/qt-6/highdpi.html ?