On Sat, 10 Dec 2016 07:28:53 -0800 (PST), Len Ovens wrote: >I have: Qtracktor 0.7.1 with Qt 4.8.7 >I think Qtractor is buildable with either qt5 or qt4 Yes, it is. $ qtractor -v qt5ct: using qt5ct plugin Qt: 5.7.0 Qtractor: 0.7.9 Regards, Ralf