My list:
Multi-purpose community lots(like in Sims 1)
Birds,ferrets,rabbits and reptiles as pets
Hobbies and pasttimes such as martial arts,ballet,model trains,sewing,etc.
These venues(not rabbit holes): Generic amusement park, mini-golf course,and skateboard park.
More musical instruments such as drums,banjos, accordions,saxophones and trombones.
The ability to create our own apartments and festivals and place them anywhere we want to(like Oasis Springs,Forgotten Hollow,Brindleton Bay,etc).
Worlds based on Africa,Norway and Greece.
Different kinds of buffet tables