The new version adds support for: Call of Duty: World at War, Crysis Wars, Iron Grip: Warlord, Left 4 Dead, and S.T.A.L.K.E.R.: Clear Sky.
Tons of new features and enhancements have been made, including server-side region lookups for unidentified servers, and all new in-game font rendering adds alpha-blending and accurate colors (including full RGB code support for Quake 4). Socket pooling has also been updated in this release to reduce the default socket pool size, and allows you to edit the socket pool size, for users experiencing disconnects while querying.
You'll also find a heaping pile of bug fixes.