According to the patch notes, the following traits have been updated: Bookworm, Cheerful, Clumsy, Genius, Gloomy, Glutton, Good, Goofball, Hates Children, Hot-Headed, Jealous, Mean, Neat, Noncommitta...
The love interest of my Sim refused to become his girlfriend when he asked. She's noncommittal. This is the first time ever that someone has refused to become girlfriend/boyfriend in my game.