- face centers didnt recalculate at vertex-smooth, vertex-sphere and so - on edge extrude (meaning the new faces), it now copies face data (material index, smooth, tface) from the face that shared an edge
- face centers didnt recalculate at vertex-smooth, vertex-sphere and so - on edge extrude (meaning the new faces), it now copies face data (material index, smooth, tface) from the face that shared an edge