I'm really hoping this game hasn't died. It has been quite a while since there were any updates. If personal stuff has gotten in the way, then you should of course take care of yourself first.
I will say, I only found 1 other lewd Pokemon game, so this game is in a special niche. Hopefully something will come out soon, be it an update or a comment about its progress.
I checked the Patreon, and it turns out 5.6 is actually available there for free it seems. From the update post, it looks like Purpur is dealing with a bunch of stuff, so I guess updating the game here slipped their mind. If you see this Purpur, I'll say this again: your personal health and wellbeing come before our entertainment; if you need to take a break, do so.