An update has been released for Left 4 Dead 2.

Last Stand:

• Fixed ammo pile in Junkyard not spawning on second round of Versus.
• Fixed exploit where the trigger used to quiet the Director could be activated after the finale started.

Survival:

• Fixed an issue where Fallen Survivors could still drop medkits on Riverbank.
• Fixed issue where several weapon spawners would absorb dropped weapons on Barge.

Tank Run:

• Fixed an issue in Scavenge finales that prevented the escape vehicle from working.
• The Sacrifice finale will now spawn Tanks properly and the bridge will lower when the timer reaches 0.

RocketDude:

• Fixed players ending up with no viewmodel and no avatar by rejoining a game where any survivor already left the safe room.
• Added support for custom playground maps ( a guide will provided by ReneTM ).
• Fixed players not instantly dying when jumping into c14m1 safe room water area.
• Fixed players not instantly dying when jumping into c14m2 finale water.
• Lowered slow motion probability from 10% to 5% as requested by many players.
• Fixed RocketDude decals sometimes not showing up.
• Fixed new best times not saving.
• Added Start and finish textures.

Other:

• Updated several Mutations to fix the issue where the weapons in Whitaker's Gun Store weren't being removed or converted.
• Fixed tanks failing to spawn in versus on No Mercy 3 (at 90+% boss flow).
• Fixed tanks spawning before the finale on No Mercy 5.
• Fixed a few stuck Special Infected issues on survival maps.
• Fixed setting the input mode to joystick/Steam Input.
• Increased command limit before causing a disconnect.
• Fixed some reported model crashes.