Updates to Grand Theft Auto IV have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Rockstar Games Social Club
  • Remove Rockstar Games Social Club application
  • Separate RGSC application no longer required to launch gameSocial Club login now occurs during the launch process

Shadows
  • A new, less memory-intensive, and better-looking scalable shadow solution has been implementedEnhanced Night Shadows added with user-selectable level of detail (replaces Shadow Density)

Performance
  • Rendering optimizations have been made to improve performance, particularly when enabling shadows
  • User-configurable graphics settings have been added for shadow controlImproved memory management

Multiplayer
  • Enhanced security to isolate users from cheaters and hackers

Episodic Content
  • Provide in-game support to purchase "The Lost and Damned" and "The Ballad of Gay Tony"

Bug Fixes
  • Vehicle shadows re-enabled between 8pm and 6am
  • Fix floating street textures
  • Pedestrians in vehicles appear further out from the player to allow for long range sniping
  • The Moon has been implemented with simulated lunar phasesRESC 10" error fix for specific hardware configurations


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