As Valve prepare for the official release of Left 4 Dead tomorrow, they are stamping out the remaining bugs that are present in the demo - especially bugs with connecting to servers along with in-game lagging issues.

The latest update addresses the lag issues that many players were experiencing after they reached the safe house, along with a sporadic bug that crashed the game once a player went to connect to a dedicated server.

Left 4 Dead Demo
 

• Fixed problem where the group browser was showing servers for groups you were not a member of
   
• Fixed problem with split packet/reassembly on level transition. This would cause the game to feel laggy for some period after a level transition
   
• Fixed a crash when connecting to a dedicated server

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