Unreal Tournament 3 has been updated to version 2.0 to prepare the game for the Titan Pack. The first person shooter has been improved in terms of Steam integration, and server browser. It also contains a client-side demo recording and User Interface tweaks. The patch can be found here. Here is a short list of changes:

SUMMARY OF MAJOR FEATURES:
- Major enhancements to Server Browser
- Visual and menu flow overhaul for improved useability of user interface.
- Significant AI improvements, especially in vehicle gametypes.
- Client-side demo recording support
- Improved networking performance.
- Midgame map, game type, and mutator voting support
- Award system using Steam Achievements
- Improved mod support

The patch has been shortly followed by the Titan Pack which adds 16 new maps, three bonus pack 1 maps, two new game-types, the titular Titan mutator, vehicles, deployables, 57 Steam achievements, etc. The free pack can be found here.