Have you taken the time to check the Patreon page? It's true that the last message posted there is quite old. I realised that the developer is just going through a difficult time. My best guess is that when things improve, the developer will be back with a new update.
Riiight. For some reason AVN devs are constanlty "going through difficult times". They must be the un-lukiest people on the planet. Such a load of BS lol
Maybe, maybe not, I don't know if it's true or not, all I know is what I saw on Patreon, namely his latest post at the time I checked. Everyone is free to believe it or not. I've noticed that quite a few developers share information on sites other than Itch.