Free babies (like sims 2 and 3)
Inheritance when an elder sims dies (sims 3 I think that was a thing)
Updated genetics ( I feel like hair and eye color are never passed from grandparents)
Pre- teens ( maybe same time as childhood)
Dance career ( sims 2)
Magical career ( with witches )
Cars
Better and more NPCs firefighters, robbers, police.
Flushed out seniors( canes, walkers better clothing back pain )
More random deaths and disasters (sims 2 3 meteor that feel on house randomly)
Zits for teens that appear and need acne cream to remove
University with education career
50s 60s 70s stuff packs
Worlds adventure vacation type GP
Color wheel with hair and eye color
Spiral staircase
Bunk beds
More kid to kid interactions ( pulling hair, stealing toy playing imaginary games together )
Kids running to great parents when they get home from work (sims 2)
Maid robots
Tiki items