Set Qt 5.12 as maximum supported version
Set Qt 5.12 as maximum supported version

MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK,MITK/MITK,fmilano/mitk,MITK/MITK,fmilano/mitk,fmilano/mitk,MITK/MITK