Here come some new hotfixes, with PvP tweaks on the retail side and the anti-boosting measures and the XP buff in BCC!

July 25 (Source)

Items and Rewards

Motion Sick Peon’s Magical Elixir should now properly go on cooldown when removing the aura.

Player versus Player

Hunter

Survival

Fixed an issue that prevented Tracker’s Net (PvP Talent) from breaking to absorbed damage.

Rogue

Assassination

Fixed an issue that could prevent the 50% PvP reduction to the Assassination 4-Piece Set Bonus.

Burning Crusade Classic

Creatures in most dungeons have been adjusted so that it is now significantly more difficult to snare and kite them to a large degree.

In dungeons, group XP earned has been greatly reduced whenever there is large disparity between player levels in the same group.