Patch notes for build 2.5.0.1 (acquired from a reliable source)
General
Scale of the Sands, Ashtongue Deathsworn, and Shattered Sun Offensive have all combined forces in their fight against the forces of Evil. All players will be granted exalted reputation with this new faction upon entering Outlands.
A mysterious sorcerer has been spotted at the World's End Tavern in Shattrath. Players in good standing with the new alliance faction will be granted free passage to any of the existing Dungeons (both 5 man and raid)
PvP
All items previously purchaceable with honor are now freely handed out by the warmasters.
Players with no arena teams will be awarded 500 arena points each week by default.
Quests
Gold gained from daily quests has been substantionally increased.
Proffessions
Alchemy - flask duration increased to 24 hours.
Herbalism range increased by 3 yards.
Dungeons and Raids
Dying in a raid instance no longer causes durability loss.
Players will no longer require an attunement quest to enter Karazhan.
There will now be a portal by the entrance of each instance, allowing the player to teleport to any chosen boss in the instance.
Players who have farmed Sunwell for 6 months or longer will be granted the title, "Shield of Shattrath"
All creatures are now susceptible to all types of attacks; furthermore, most adds summoned by raid bosses are no longer immune to crowd control effects.
Caverns of Time: Mount Hyjal
Rage Winterchill no longer uses Death and Decay ability. Frostbolt no longer has a damage overtime effect.
Anetheron no longer has the Inferno ability.
Mark of Kazrogal now has a 45 second cooldown - it will no longer reduce as the fight goes on.
Azgalor's Doom is now a damage overtime ability causing 4000 shadow damage over 12 seconds.
Archimonde's Doomfire no longer places a damage overtime effect on the afflicted players; furthermore, Doomfire now always moves in a straight line.
Airburst ability has been removed from the game.
Black Temple
Supremus will now spawn volcanoes at an increased rate.
Shade of Akama event has been replaced with a Locked Khorium Chest - it requires at least 50 lockpicking skill to open it.
Teron's Shadow of Death now only creates one shadowy construct.
Gurtogg's Bloodboil no longer stacks.
Essence of Suffering now reduces healing effects done by 50%.
Essence of Desire no longer uses spirit shock ability.
Essence of Anger will now properly fixate upon a single target that is first to attack it, ignoring threat completely. Soul scream damage significantly reduced.
Mother Shahraz can no longer pick 3 players as targets for a Fatal Attraction.
Illidari Council's Health pool reduced by 75%.
Illidan's Shear ability now has a 5 second cast time. Parasitic Shadowfiends have been removed from the game. Flames of Azzinoth no longer posses a fiery blaze. Eyebeam damage has been reduced, and it is now resistable. Shadow Fiends ability removed. Flame Burst is no longer an AoE attack. Shadow Blast is no longer an AoE attack.
Maiev will now always place her traps directly underneath Illidan; players may also notice her joining the fight substantially earlier.
Coilfang Reservoir: Serpentshrine Cavern
This instance has been removed from the game.
Tempest Keep: The Eye
This instance has been removed from the game.
Magtheridon's Lair
Magtheridon now gives his loot to players if asked nicely.
Items
Badge of Justice vendors now sell Tier 6 tokens.
Warglaives of Azzinoth are now available from a vendor in Silithus upon completing the Fall of the Betrayer quest.