I don't know how "new" these things are -- but my wife and I enjoy
1) Having a drink and catching a music set or two at the Jazz Club in PI
2) Also the Comedy Club @ PI
3) An out of the way window table at 'Ohana and watching the castle in MK change color while we enjoy our after dinner coffee ( if we catch the fireworks all the better)
4) Cirque du Soleil --- It's spectacular!
5) The buffet @ Norway in Epcot
6) Boma!!! @ AK
7) the 3D attractions -- Bug in AK, Muppets in MGM and Shrunk the Aud in Epcot
8) Being "adult" kids at a character breakfast
9) Taking a boat ride --- from the Poly to MK or from the Boardwalk to MGM
10) Stopping, relaxing and just absorbing Disney fantasy while in one of the parks