New L4D2 update, have applied it to the servers:

Gameplay
  • Fixed where last round of upgraded ammo didn't have upgrade effect
  • Jockeyed survivor now glows for infected team in all cases
  • Fixed exploit that allowed Jockey players to get instant recharge of their ability
  • Fixed Charger ability timer not resetting when killing a survivor with low health on their third strike
  • Charger now applies a small amount of damage when charging through physic props
Match Making
  • Changed how requests are made to master server for group servers
  • Fixed sorting on group servers UI
  • Reduced update work on group servers UI
Miscellaneous
  • Made the water shader support splitscreen on the PC
  • Miscellaneous fixes in the subtitles
  • Updated system tray icon
  • Fixed Survival timer issue caused when voting for round restart