I donโt understand why your game hadnโt crashed before you beated the game.
EDIT : My specs
CPU : Intel i3-4330 (2 cores, 4 threads) (even though itโs 2c-4t, it runs most of the games perfectly, except some Unreal Engine games) GPU : AMD Radeon RX 560 (4GB, GDDR5, not in Crossfire Mode) RAM : 16GB DDR3 1600 MHz (DDR3 because my motherboard doesnโt support DDR4; Iโve had this computer for around [4, 5] years) Motherboard : I donโt recall its name Primary HDD : 465 GB 7200 RPM Secondary HDD : 6 TB (yeah, Steam was becoming too heavy for my computer, thus I bought this HDD) I donโt recall neither its RPM or its manufacturer.
The better your PC is the less crashes you get, would explain why us programmers have no crashing.
But donโt worry I think I finally got the physics crash solved, so look out for the small patch coming soon.