Extract this to your half-life or HLDS folder after installing Sven Co-op 4.0b1. The following issues have been fixed in this minor update:

• Numerous improvements to Half-Life SP storyline support
• Added a work-around for a trigger_teleport crash bug
• Reduced default model precache usage
• Revived allies retain the correct head and skin colour
• Fixed a rare Gargbite issue where player could become stuck
• Dropammo support added/fixed for some weapons
• Melee weapons make correct sounds when hitting metal allies
• Fixed a skill.cfg issue
• Skill.cfg settings added for: Stukabat, Osprey, Black Ops Osprey, Tentacle
• Updated the Sven Co-op FGD file (for mappers)
• Player model options added to the Commandmenu
• Updates to manual and *server_example.cfg files
• Minor fix to server options
• Minor model fixes for Uzis and sc_royals
• Fixed an issue on escape_series.bsp (portal map)
• Solved Ripent missing dll errors on some systems(?)
• Included latest donation bonus Steam ID list