[scribus] qt4/qt5: Current Development Environment for Scribus

[Gunter Woysch]

qt4/qt5: Current Development Environment for Scribus  ( 2nd trial - in text format only )
 
A question for the Scribus Core Developers
 
Currently the Scribus software package ( 1.5.0svn ) seems to be ported from using the cross platform application framework QT, version QT4 to version QT5. 

( See <http://en.wikipedia.org/wiki/Qt_(framework)> and <https://qt-project.org/> ).
 
Could please someone of the Scribus core developers shortly describe
 
  - the software development environment, which is currently being used to develop Scribus,
  - the role, which QT plays in it,
    plus
  - the advantages, which are realized by using in the future QT5 instead of QT4?
 
Is there already a verified up to date description for compiling QT5 based Scribus from the sources? 
 
What is required for successful compilations from the sources after the change to QT5 based Scribus, please?
 
Many thanks in advance for any answer!
 
Gunter