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:

General

• Convert all region SKU’s into the same SKU
• Include support for all languages within single exe

Controls

• Allow controls to be double mapped on keyboard
• Added option in controls menu to disable mouse controls in helicopters
• Adjust keyboard control sensitivity in hood cam view in vehicles

Multiplayer

• Security Updates to deter cheating in multiplayer
• Hosts can now immediately Kick users from their games in Lobby and in game via Cell phone without having to rely on peer voting
• Fixed a bug in Cops ‘n Crooks mode where Host would drop out and prevent remaining players from leaving game

Source 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:

General

• Convert all region SKU’s into the same SKU
• Include support for all languages within single exe

Controls

• Allow controls to be double mapped on keyboard
• Added option in controls menu to disable mouse controls in helicopters
• Adjust keyboard control sensitivity in hood cam view in vehicles

Multiplayer

• Security Updates to deter cheating in multiplayer
• Hosts can now immediately Kick users from their games in Lobby and in game via Cell phone without having to rely on peer voting
• Fixed a bug in Cops ‘n Crooks mode where Host would drop out and prevent remaining players from leaving game

Source