What version of Qt?

What is the version of Qt on our build servers?

for OSX nightly builds, I'm using qt4-mac from macports:

https://trac.macports.org/browser/trunk/dports/aqua/qt4-mac/Portfile

ravas wrote

What is the version of Qt on our build servers?

Thanks. What is the reason for not using qt5?

I remember we hard some compatibility issue with different osx version, by Qt5.

ravas wrote

Thanks. What is the reason for not using qt5?