Bug reports
When when extruding from masking on a skewed or transformed primitive … extraction is skewed and misplaced.
It will be fixed, until then you can bake the matrix in the gizmo menu (“bake” button).
If symmetry does not work as expected, it’s likely on purpose (in order to support instancing, non uniform scale and skewing can lead to weird results).
Also when I choose the mask tool and I press the object the tool switches to the select mask tool with out touching the UI