On Tue, 12 Sep 2017 10:02:21 -0400, David E DeMarle said: >karego-at's hardware doesn't support OpenGL2 either. You sure? You say it's a 2009 Mac Mini? With NVIDIA GeForce 9400M? That machine supports up to macOS 10.11. Looks to me like it would support OpenGL2. Cheers, Sean