Rockstar Games has released their latest patch for GTA IV for the PC.

Notable features include graphical optimization; greater user control over graphic settings, including a new “OFF” option for reflection and shadow quality; and the elimination of remapping restrictions for keyboard and mouse, allowing for user-custom control schemes. For a detailed breakdown of these changes, along with a host of additional tweaks and improvements, please visit http://www.rockstargames.com/support/IV/PC/patch/index.html.