While v165i was largely a maintenance and refinement release, it supported the foundational features available at that time:
: Allows Sims to develop personal preferences for certain physical traits in others, influencing their social interactions and "impressions". While v165i was largely a maintenance and refinement
: Explicit animations and interactions (when used with external animation packs) that replace standard "WooHoo" mechanics. While v165i was largely a maintenance and refinement