> qt6: Do not use deprecated `QLibraryInfo::location` in Qt 6
>
> See https://doc.qt.io/qt-6/qtcore-changes-qt6.html#other-classes
https://github.com/bitcoin-core/gui/pull/623/commits/ad73447dc2bd04120c4eb7f5757613ad35a35cf5
> qt6: Do not use deprecated high DPI attributes in Qt 6
>
> In Qt 6, high DPI pixmaps and scaling are always enabled.
>
> https://doc.qt.io/qt-6/highdpi.html
For the commit that cannot be backported yet, add a comment about missing backport ([[https://github.com/bitcoin-core/gui/pull/556 | core-gui#556]])
This is a backport of [[https://github.com/bitcoin/bitcoin/pull/623 | core#623]]