-New main menu added.
-Monster in level 1 fixed, now you can press shift while crouching without making noise.
-Some visual bugs fixed.
-Fish eye lens is now less effective.
-Crouch speed increased from 150 to 250
-Walk speed increased from 100 to 250 (dont ask why walk speed was slower than crouching)
Update 6
Source: Steam Community (opens in a new tab)