I would also be curious to know I’d you were playing with Keyboard & Mouse when it crashed. I’m assuming the keyboard input stopped working which seems to happen with arrow keys / tab for some people.
Yes, I was playing with keyboard+mouse in web version. It happened in the dungeon just in a few minutes after picking up a heavy hammerweapon. The screen just stopped updating. I have the same issue with my jam entry, I think it's some kind of memory leak.