The latest test realm patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/test-realm-patchnotes.html The latest patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/
Druids

* Ferocious Bite: This ability now only uses up to 30 energy in addition to its base cost.

Hunters

* Kindred Spirits (Beast Mastery): This talent now grants 20% pet damage at max rank.
* Serpent’s Swiftness (Beast Mastery): This talent now grants 20% pet attack speed at max rank.
* Pets
*
o Lava Breath now reduces the target's casting speed by 25%, down from 50%.
o Poison Spit now reduces the target's casting speed by 25%, down from 50%.

Mages

* Arcane Power now increases damage and mana cost by 10%, cooldown reduced to 1 minute.
* Arcane Power and Presence of Mind now share a category cooldown. Arcane Power causes a 15 second cooldown. Presence of Mind, once consumed, causes a 1.5 second cooldown.
* Arcane Flows now reduces the cooldown of Presence of Mind, Arcane Power and Invisibility by 15/30%.
* Presence of Mind: The cooldown has been reduced to 2 minutes, (down from 3.)
* Slow (Arcane): now increases cast time by 30%, down from 60%.

Paladins

* The duration on all Seals has been increased to 30 minutes and can no longer dispelled.
* Divine Plea: The amount healed by your spells is reduced by 50% (up from 20%), but the effect can no longer be dispelled.
* Sanctified Seals: This talent no longer affects dispel resistance, but continues to affect crit chance.

Priests

* Inner Fire duration has been increased to 30 minutes and can no longer dispelled.

Rogues

* Hunger for Blood (Assassination): Now increases damage 5% per stack, (up from 3%.)
* Mind Numbing Poison now reduces cast time by 30%, down from 60%.
* Mutilate damage will now do 20% increased damage against poisoned targets, down from 50%.
* Slice and Dice: This ability now increases melee attack speed by 40%, up from 30%.

Warlocks

* Curse of Tongues: Now increases the casting time of all spells by 25% (Rank 1) and 30% (Rank 2), down from 50% and 60%.

Dungeons and Raids

* The Obsidian Sanctum
*
o Changed the color of the fissure in the Obsidian Sanctum to be more visually distinct.

User Interface

* The “GM wishes to speak with you” alert/button, at the top of the screen, has been changed so that addons do not obscure it.
* A clickable chat message has been added that duplicates the GM alert/button.
* When a GM wishes to speak with you the Help Request minibar button will glow.
* For additional notes on Lua and XML changes please visit the UI & Macros forum .

Bug Fixes

* Fixed an issue where players using nVidia 3D glasses were unable to see spell cooldowns.
* Fixed a software mouse cursor bug that was causing the mouse curser to disappear from view when over certain UI elements.
* Fixed a player movement error in which other players were appearing to move erratically when traveling beside them.