AC 21 is extremely slow in 3D.
1) It cuts elements very far from camera.
2) 3D cutting doesn't work, ac freezes every time I try to edit in 3D cut.
3) Sometimes everything is hidden in ac, but when I hit cmd+A, the selected elements' selection will be visible.
etc.
macOS 10.12, AC 21 4022, with GH connection (GH doesn't work either...)