Left 4 Dead Survival Pack Patched

Valve patched Left 4 Dead last night, largely fixing issues some users were having with the Survival mode.The full list of changes to the Survival pack is as follows:Darkened the Lighthouse background movie and increased the contrast with the user interface elements.Chapter selection is now available when creating a Survival lobby.
Single player coop now works correctly after playing Survival online.
The correct game mode will be set when playing back a demo.
Changed holdout server spew to be development only.
Stats are no longer updated while viewing a demo.
Correctly update the leaderboard based on the player’s personal time, not the team best time
Show the player’s best time in the scoreboard.
Removed Survival exploits from The Terminal, Last Stand, The Crane, The Boathouse and The Warehouse.
Fixed tanks sometimes not spawning after 15-20 minutes.The patch should auto-apply on connecting to Steam.