Based on the Patreon voting, that update will be a bit further in the future. It was voted that NPC Simulation will be the next big thing worked on. On the bright side, getting this out of the way makes things easier when pregnancy does eventually come around
Viewing post in Course of Temptation September Update (v0.7.1) comments
Basically NPCs will start doing stuff in the background. They'll form and break relationships out of your line of sight, gain and lose inclinations (especially if the player is encouraging it), some NPCs will leave and new ones will appear (though that's not likely to really happen until year progression becomes a thing and NPCs can graduate), things of that nature