Patch version 0.80 brings improved Steam support, fixed multiplayer, new UI elements and new city objects.
UI
Updated hit effect in UI.
Updated wound effect in UI.
New death screen.
Updated compass & day indicator.
Game now doesn't move around menus when typing in menu chat while having a controller plugged in.
Steam
Added ability to invite your friends into your game directly from Steam.
You can now join to your friends game from Steam overlay.
City
Added new broken vehicles to city streets.
Multiplayer
Fixed desynchronized objects between clients and server in multiplayer.
Fixed player view bug in multiplayer.