Hi Marc, that's a good sounding list of stuff to try and get in!

Re: Extrude face - negative numeric entry

Could you maybe describe this one a bit more? Negative numeric entry should be working already for face extrusion. For example if I select this face:



If I run Extrude and type in -5 and push enter I get this result:



Positive values will go towards the outside of the solid and do a boolean union onto it, and negative values will go inwards and cut it with a boolean difference.

- Michael