Thanks to the early adopters there were some small bugs found which this update addresses.
Changelog
Elevator light that shines onto the flashlight turned back on
No more popping in/out of objects while still visible on camera
Updated monsters logic slightly to stop him getting stuck, he'll also unstick himself by respawning if he does still manage it
Death achievement now unlocking in all scenario's
Additional minor changes
If you come across any additional bugs please let us know in Steam Discussions or using the support email.