I see this issue : https://gitlab.kitware.com/cmake/cmake/issues/15732 <https://gitlab.kitware.com/cmake/cmake/issues/15732> -- View this message in context: http://vtk.1045678.n5.nabble.com/QVTKOpenGlWidget-black-screen-and-tests-FAILED-tp5743647p5743663.html Sent from the VTK - Users mailing list archive at Nabble.com.