He finally posted a status update on the game.
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TL;DR: He says the game isn't going to be abandoned, but issues need addressing. He's drained of funds and his Patreon, even at its peak, wasn't sustainable. Writing commissions kept him afloat, but it ran the risk of affecting the quality of writing for the game and vice versa, since writing for passion vs writing for money are two different things. Getting back into a day-job would also drain his creativity. In the meantime, he began work on Bedabots, which he hopes will have a playable demo in around November and eventually release a kickstarter. If the game is a commercial success, thus sustaining him and the other artist working on it, then he can continue working on Kobold Adventure. He'll likely be working on Bedabots indefinitely until it's completely done.
He admits that it's a massive risk and that he's putting all of his eggs in one basket with what little funds he has left, but he feels like he doesn't have a chance with other avenues.