I mean, is that difficult to login, in which ever site or plataform you like, and write just a number, just that, a number. Like 10% and log off for a month. Is that hard to understand? And this goes for every single Dev who does the same.
There is nothing to talk about, or think. The guy went radio silent for 3 month ABOUT the update, and before that even more time. Why come to this point of stress???
The scammers of Summertime saga got it right. You can check their patreon to see the progression bar that takes a year for an update that has the same animations, always. But at least you know, and you can't say anything, easy as that.
And that idea is for free Bones.