Oh boy...
Let us choose the weather for each season. I'm living in Chile and the snowy winter never happen! Instead, we have rain! So, a good choice of "diversity" can be let the player to choose the weather event for each season and not the stereotype of winter = snow.
Also hail. Where's hail in TS4?
Bulldozing the lot from the World view.
Functional aquariums! feed, clean, replace and upgrade aquariums!
Keeping all the upgrades from a house when moving or downloading from the gallery
An option to upgrade the washing machine with a dryer funcion. There's some washing and dryer machine combos in real life.
Save individual sims/pets from CAS instead all the household.
Dog houses and let us to assign the dog bed.
An option for "harvest all" honey and wax from beeboxes.
An option to "nurture all" and "feed all" for bugs farm.
An option to "evolve all" plants
An option or item to use the 1x1 shower to bath pets and toddlers.
More sleeping possitions, specially the one when sims cuddles.
Locking the grill and the computer.
Birds watch as a "collectible", using a photo album or something
The return of the newspaper. Old fashoned but classy!
Composting bin, besides Ravasheen mod!
Juvenile pet life stage, between puppy/kitten to adult.
Greenhouse build, to harvest plants out of season. Also greenhouse covers for planters in case of small brushes and herbs.
Hobbies system and new crafting ones: sewing, pottery, glassblowing, restoration
Musical instruments: saxophone, bass, drums
Artistics careers: magician, acrobat, singer
CAS assets: body hair, body freckles, body scars
Wood chopping maybe?
Utility items: maybe a worth kit, including water, electricity and gas meters, propane tanks, water heaters (functional or decorative), fuse box and others.
Watch the waves
Pets careers!
Ironing board functional
Exotic birds as pets in Selvadorada
Alarm clock: each Sim will have a specific hour to sleep for each day of the week!
Lawn mowing and lawn care
More swimming pool options and gameplay: cleaning/filter, round edges
Without cars, at least more garage clutter, like TS3 Fast Lane, including tools drawes, workbenches, pegboards and roadsigns.
Roof gutters or more drainpipes options besides Get Together ones, sizeable like some columns
Attic tool to made functional rooms inside roofs.
Slap dance like TS2 Bon Voyage for Granite Falls
A deep fryer or air fryer (both?) for a future Dine Out refresh
Swim in the lake, river or sea in each neighborhood, like in Cottage Living world
More harvestables, like the BrazenLotus ones.
Pre-teens or child's first love. There's an amazing mod for that!
Fix auto-light with pets
Cuddling in bed
