According to the patch notes posted on Discord (dated October 26th, 3:47 AM local time), the developer ingested six shots of espresso and rewrote the core event handler for the second act. But here is what the patch notes don't say.
"Coffee levels: Critical. Dignity: None. Bugs: Squashed. Go play the game. I'm going to hibernate for a week. If the universe wants to Isekai me right now, I wouldn't complain, as long as the next world has better coffee."
The dev posted a final status update at 6:00 AM the morning after the fix:



