Blizz released their DK preview for Cataclysm yesterday and there are some pretty interesting changes. It’s still far to early to make any conclusions about the class and reactions have been both good and bad. We already know they are making blood the “tank” tree, but they gave some properties of the frost and unholy trees that will be pretty interesting.
Frost
Melee damage
Melee Haste
Runic Power Generation
Unholy
Melee damage
Melee and spell critical damage
Disease Damage

Blizz has announced that the three trees will no longer be both dps and tank. Instead, the Blood tree is becoming the tank tree while Frost and Unholy are the dps trees. They will be releasing more details tomorrow so stay tuned.
Read more.

According to Blizzard, they will begin releasing information about the classes this week.
“Beginning Wednesday, April 7 we will begin releasing class previews containing an overview of some of the changes currently being planned for each of the 10 World of Warcraft classes. The type of information you can expect from these posts are a list of the new spells from 80-85, the new passive mastery bonuses for all talent trees, a brief outline of some of the talent changes we’re currently planning, and in some …

mmo-champion.com reports:
Cataclysm Testing Will Start in April
Many people wonder when will the beta of Cataclysm will start, it’s time to (try to) answer that question!
As far as I know, the Beta is supposed to start in April. At this point it’s not very clear if there will be a Friends & Family Alpha, if there is one it hasn’t been widely advertised internally.

Quote from: Bornakk

Listed below are recent fixes we have applied to the game. Keep in mind that some of these changes may not be active until after the realm has been restarted.
To review previous in-game fixes, please visit:
3/24

The Glory of the Icecrown Raider (10 player) meta achievement no longer requires Neck-Deep in Vile to be completed.
For the Sindragosa encounter, Frost Breath cast under 35% HP no longer has a snare component and there are no longer diminishing returns on Taunt effects.
The High Test …