Also char-tabs seem to not be clearing the sick indicator.

I deleted the appdata folder for dayz and opted out of beta. I have not had crashing of the game at all maybe worth trying to see if this resolves the issue.

Prone and crawl out for most of them, there is a building like it in other cities where it's more difficult to crawl out but you can get out look left/right while crawling you'll get out.

I agree the foot steps, Can opening, drinking, ammo splitting noises are so bad. When you play an avoidance/survival it's very difficult to use sounds for location and distance when it's like right on top of you but no one is around.

They clip through the floors in some buildings, Hit you from the floors below in some buildings (Cop shops in some areas). Run through some fences, walls,and barriers.