Left 4 Dead - Update

January 27, 2017 - L4D Team

An update has been released for Left 4 Dead. - Fixed a client crash in weapon sounds. - Fixed a bug that allowed malicious servers to execute restricted console commands on players. - Fixed a bug that allowed malicious servers to prevent players from executing console commands.

Left 4 Dead 2 - Update

January 25, 2017 - L4D Team

An update has been released for Left 4 Dead 2. - Fixed a server lagging exploit. - Fixed some reported security exploits. - Fixed key bindings not displaying correctly when using the Xbox 360 controller. New EMS scripting features: - Added a new interface for reading/writing entity network and data table fields from script. Use "script_help NetProp" for interface details. - New script function "TakeDamage( amount, type, attacker )". - New script function "GetNetworkIDString()". - Added "timeofday" keyfield to the world entity. - Support auto_spawn of witch bride.

Left 4 Dead 2 - Update

June 28, 2016 - L4D Team

An update has been released for Left 4 Dead 2. - Fixed an issue on some MacBook Pro models that prevented the game from rendering correctly, resulting in a blank or white screen with game running in the background. This fix required a change to the minimum spec from MacOS 10.6.4 to MacOS 10.7 (Lion) or higher, which matches Steam's minimum spec.

Left 4 Dead 2 - Update

June 3, 2016 - L4D Team

An update has been released for Left 4 Dead 2. - Fixed multiple potential remote code execution exploits. - Speculative fix for Mac startup rendering issue. - Updated Steam API version.

Left 4 Dead 2 - Update

May 4, 2016 - Valve

An update has been released for Left 4 Dead 2. - Fixed two exploits that could allow remote code execution on clients and servers. - Disabled some debug tracking that was causing a crash.