On 05/28/18 12:02, Sean Bruno wrote: > Maybe its better to leave QT4 in place but make QT5 the default? Also, please note that Qt4 support period has long ended. Even Qt-5.5 support has ended on 16.03.2018, and the earliest supported version now is Qt-5.6. https://en.wikipedia.org/wiki/Qt_version_history Yuri