Left 4 Dead 2 – Patch for Windows and Linux

Windows

Updated some mutations to remove instances of invalid weapons or enemies
Fixed Cold Stream image in Campaign select menu
Fixed possible insta-kill when shoving a jockey who is mid-leap
c11m2

Restore freezer door in co-op mode
Restore crane lowering sound
c9m2

Break some barricaded doors so survivors can reach supplies
Restore missing fire particle system
Restore color correction for both Crash Course maps
c8m1

Fixed survivors facing the wrong direction after intro
Restore alarm clock in downstairs bedroom for co-op mode
c8m4

Restore missing rain particle systems
c8m5

Restore some missing chopper pilot lines
Move survivors out of view during the escape sequence

Linux

Fixed possible insta-kill when shoving a jockey who is mid-leap
Fixed Cold Stream image in Campaign select menu
Remove ammo piles in Gib Fest Mutation
EMS

ent.GetEntityIndex()
ent.EyePosition()
ent.GiveItem( itemname ) – Give an item/weapon by name. (“health”, “katana”, “rifle_ak47″, etc.)
ent.GetButtonMask() – returns a bitfield of currently pressed buttons. Recognized buttons are: IN_ATTACK, IN_ATTACK2, IN_JUMP, IN_DUCK, IN_FORWARD, IN_BACK, IN_USE, IN_MOVELEFT, IN_MOVERIGHT, IN_RELOAD