Solved
(PS4) Not cleaning plates properly
After the latest patch my sims no longer clean up the plates properly, they just collect them all together and move them to a table in another room, the maid does the same thing. When I tell them to clean them they pick them up and put them down in the same place.
The only way they do as they're told is if I drag the plates to the counter above the dishwasher and tell them to clean them.
Check your house for plates on a shelf. Sims will put the plates on the shelf and then can't clean them off. Once you clear the plates, your sims should resume doing dishes like they are supposed to.
