im using 4.2, at 10:43 when using the boolean on the pot_bool i get this
Hi Riccardo,
First of all, that is not a Blender Version issue.
Could be many things (Booleans are very error-prone), but I'd look at the Normals first (of both Objects) and make sure you are using Difference in the Modifier and try changing the Method (Exact vs Fast).