+ QByteArray::append is deprecated
+ QPixmap* QLabel::pixmap() is deprecated
+ overloaded version of QString::split is deprecated
+ QSysInfo::windowsVersion()/QSysInfo::MacVersion() is deprecated
as discussed with luzpaz in https://github.com/FreeCAD/FreeCAD/pull/3735
there shouldn't be trailing newlines in translated strings.
- Moreover fix the logic of the output dialog text