Not sure if this is a bug or not, but if you Apply the Skin Modifier and enable display Normals, you will notice that the upper face is turned inside. The difference between 2.79 and 2.8 is that version 2.8 uses OpenSubdiv.
Not sure if this is a bug or not, but if you Apply the Skin Modifier and enable display Normals, you will notice that the upper face is turned inside. The difference between 2.79 and 2.8 is that version 2.8 uses OpenSubdiv.