There's been an update some hours ago on the dev's Patreon:
Main story:
1m. Talking with Madam will be not limited only to unlimited services deal but to all deals except the one where you keep the gang. (unlocks access to Madam's lab and Edmon) - 100% completed
2m. Madam will call you to talk about mayor campaign - 100% completed
3m. New dialogues with Maria at the Spa reception – 100% completed
4m. Gang (If you keep them after Madam's deal) - added on Mohoro map - 100% completed
5m. SPA computer, Money app - now it shows the money from Madam - 100% completed
Girls story:
1g. Paola (new house) - Option for cuddle and sleep together during the night - 100% completed
2g. Betty (sex or/and Story Advancement Part 1 - main event trigger on love points 50 and can reach love points up to lvl 70) - chosen by the vote poll - 20% completed
3g. GK - new girl recruit to your gang (if you keep it) - 100% completed
4g. Tristy - in info screen she will be shown not like lover, but spouse after moving to live with you. - 100% completed
5g. Maria-Moko-Naomi- You will be able to decide if Maria will join Moko and Naomi during a conversation in front of the TV (will unlock future foursome) - 100% completed
Bug Fix
1f. Paola sex - finishing outside but it's registered like inside and she talks how she feels , even if it's outside - 100% completed
2f. Secret has been invited but she gives birth in BDSM and never arrives after - 100% completed
3f. Blackmoon - info screen shows 'maybe pregnant' after sex with Ramona - 100% completed
4f. Airport manager - If you visit him before the mayor campaign, the quest log on the home computer doesn't remove the quest. - 100% completed
So Betty's got a Part 1 of her story in progress. Wonder what's that going to involve (perhaps some sexy time in between). And who knows if the dev might add a little something before v0.19.1 is released.