Patches
Here are kept the updates for the PC version, that add new functionality, fix bugs, and generally improve the gaming experience.

Patch to v1.2 Brings the U.S. version up-to-date with the European release. Contains the fixes from Patch 1.1, and also these:

• Additional optimizations that will improve performance on most systems
• Fixed graphical errors for those using NVIDIA GeForce FX 5950 cards with Deus Ex: Invisible War
• Fixed the fuzzy appearance of the bloom, sniper scope, vision biomod, and other full-screen effects

Patch to v1.1 This patch makes some very important changes to the game, making it much more playable. Here's a list of changes:

• Defaulted Bloom to off when starting a new game.
• Adjusted mouse movement to eliminate feeling of "lagginess".
• Adjusted the HUD so that it is pushed toward the edges of the screen.
• Added option for turning all shadows off. This can massively improve performance, especially at higher resolutions.
• Shrunk all text sizes.
• Reworked mouse-based UI control within the inventory and biomod screens:
  • Right-clicking will now swap items in the inventory and toolbelt screen.
  • Added buttons for installing weapon mods and biomods.
  • The biomod/inventory/datavault hotkeys are now toggles (the same buttons will now both open and close these subscreens).
• Added quicksave/quickload keys. (F10/F12)
• Non-hostile AI's will now go hostile much sooner if shot.
• Eliminated monitor resyncing during level transition and savegame loads.
• Increased the headshot damage multiplier for the pistol.
• Increased the damage of the stun prod.