qrand() and qsrand() which are used by Utils::random() and Utils::initRand()
respectively are deprecated. Utils::random() and Utils::initRand() are no
longer necessary because QRandomGenerator supports everything what is
needed.
empty folders on MPD side (crash inserting/removing to/from model)
usage of sys/time.h changed to QTime
no unistd.h in Visual Studio
if QT was build without SSL support, there is no QSslSocket class (at least in 5.6 and 5.8)
missing strncasecmp in Visual Studio
utime.sys is actually sys/utime.h in Visual Studio