portal copy/paste

Thanks guys for the RC4. This release really speeds up developing.
I have one question.

If I copy and paste a complete portal with fields, how do I change the portal and fields to a differtent relation?? When i click a field, than I can set the dataprovider to another relation, but this is’nt helping. the portal still shows the values of the default relation
I can’t figure it out!

It seems we do an extreem exact copy, fixed in next release