In Maya 2016 Extension 2 (2016.5), you may have noticed that on Mac OS X, Maya would give the following warning message: "Current drawing engine does not support legacy viewport". Maya 2016.5 uses OpenGL API version 4.1( please see the image below). The “OpenGL Core Profile (strict)” is the default rendering engine on Mac OS X which supports OpenGL version 3.2 and above. So, it won’t support OpenGL 2.1 and below features. If you still want to use OpenGL 2.1... Read more →