OK... I just got a crash.
I was in Curious Naga City. I hit Getanadafix, then tried to kill a plant, and this happened:
http://prntscr.com/l4nre2It seems the game doesn't know how to handle Rex's stalking the player when you kill plants.
Interestingly, when I hit "report" I was able to continue playing, but every time I killed a plant the same crash report popped up again... also Rex, though his sprite was still on the screen, was intangible. I could stand in his space and couldn't interact with him at all. This rendered the dungeon unwinnable, though I probably wouldn't have won anyway.