Meanwhile, if you haven't already, have a look at thefor ideas on how to work with Numbers 3.
Thanks for your reaction. I will send a message to Apple about thus issue. This discussion didn't provide the answer to me, but to inform Apple about this is worth trying.
Most of the posts here are from folks like yourself, just trying to help others cope with what we've got. I think in time some of the more important lost features will be restored and we'll learn to get by with the app as it is.