General - Mana regeneration now correctly uses the TBC formula. This results in slightly lower regen at low levels but much greater regen at higher levels. Implementation based on this data.
Warlock - Siphon Life now scales with spell damage at the correct rate.
Warlock - Drain Soul should no longer do increased damage below 25% HP.
Druid - Improved Leader of the Pack should no longer regenerate mana.
Priest - Wand Specialization now correctly specializes your damage with wands.
Shaman - Rockbiter can no longer apply to shields.
Shaman - Unleashed Rage should now proc.
Hunter - Fixed an issue that caused hunter pets to have significantly less spirit than intended, hampering their health regeneration.
Paladin - Blessing of Sanctuary should no longer stack with other blessings.
Paladin - Seal of Wisdom should no longer be producing excessive mana.
World
Sharks within Tanaris should no longer be able to swim on land.
Restored Haughty Modiste. She originally came in Patch 1.8.0 but is harmless to include.
Residents of Fort Airheart should no longer become friendly to the Alliance under certain conditions.
Corrupted Ancient can no longer be kited.
Silithid Lurker can no longer be kited.
Removed an incorrectly placed Greater Plainstrider.
Removed an incorrectly placed Peon.
Beta Goblins should now be found in every city.
Morogh Eagle is no longer classed as a Turtle.
Living Corruption and Engorged Corruption are no longer classed as Humanoid.
Dungeons
Amnennar the Coldbringer now correctly drops Robes of the Lich instead of Glutton’s Cleaver.
Ragglesnout is no longer needed for the Razorfen Downs achievement.
The Lost Dwarves encounter in Uldaman has been changed for compatibility in Cross-Faction groups.
Full Alliance groups can now complete the achievement “Uldaman”.
Items
Faded Ring of Truestrike and Aquablade are now Unique-Equipped.
Marred Uldic Shoulderplates now require level 40 as intended.
Re-enabled the Blizzard TBC DPS buff for ranged weapons.
Quests
Beezil Linkspanner will now correctly respawn after completing his RP event.
Reduced spawn time of Ancient Batteries in Tanaris.
Veron’s Lasso now is removed from inventory after completing Lost Rams.
Greatly increased the amount of Trash Parts found around the Ironforge Airfield for the quest “Assisting Wizzle”.
Faye Underhill now correctly despawns at the end of Until Death Do Us Part.
The cages for Stop The Shrinking are no longer shared spawns and have a distinct Horde and Alliance pool.
Players can now talk to Astor Hadren to complete the Rogue class quest “The Deathstalkers”.
Fixed an issue where the following quests were not collectable by Priests:
Ardo’s Dirtpaw
Clyde’s Special Thread
Gnoll Patrol
Eye for an Eye
Intel on Morganth
One of Each
The Annals of Hajiri
CHOP!
Direct Reprisal
Forsaken Looters
Improved Swiftness
Practical Science
Solarsal Report
PvP
Adaptation Trinket has been disabled while we isolate an issue (Already hotfixed).
Resolved the issue of sometimes not being able to attack the opposing faction.
Misc
Entering the Mirage Raceway event while casting should no longer fail adding you to the race.
Pressing the (removed) Dungeon Finder hotkey should no longer break the escape menu.
Fixed an issue where hovering over certain debuffs caused the Feedback system to throw a LUA error.
The achievement “Explore Badlands” can once again be completed.