General
Level 1 characters no longer start with food or water in their inventory.

Classes: General
Attack: Level 1 druids, mages, priests, and warlocks will no longer start with the Attack button placed on their action bars by default.

Reputation
The following reputations have been sped up by roughly 30%:
Argent Crusade
Alliance Vanguard
Horde Expedition
Kirin Tor
Knights of the Ebon Blade
Sons of Hodir
Wyrmrest Accord
Sons of Hodir quests now give more reputation overall.
Top-level helm and shoulder faction-related enchants are now available as Bind-on-Account items that do not require any faction to use once purchased (they still require the appropriate faction level to purchase).
Reputation commendations can now be purchased for 1 Emblem of Triumph each.

Druid
Rejuvenation: The base duration on all ranks of this spell is now 15 seconds.

Hunter
Pet Leveling: Hunter pets now need only 5% of the experience a player needs to level, down from 10%.

Mage
Blast Wave: The mana cost of this talent has been significantly reduced.
Burning Determination: The duration of interrupt immunity granted by this talent is now 20 seconds.
Dragon's Breath: The mana cost of this talent has been significantly reduced.
Firestarter: When this talent is triggered, it makes the next Flamestrike cost no mana in addition to being instant.
Frozen Core: This talent now also causes Ice Lance critical strikes to reduce the cast time of the mage’s next Frostbolt or Frostfire Bolt by 0.4/0.7/1 seconds.
Water Elemental: Waterbolt mana cost reduced by 80%.

Priest
Vampiric Embrace: This ability is now provides a 30-minute buff that cannot be dispelled, instead of a target debuff and only generates healing for single-target shadow damage spells.

Shaman
Reincarnation: The cooldown on this spell has been lowered from 60 minutes down to 30 minutes.
Earth’s Grasp: This talent now also reduces the cooldown of the Stoneclaw and Earthbind totems by 15/30%.
Improved Reincarnation: This talent now reduces the cooldown of Reincarnation by 7/15 minutes, down from 10/20 minutes. Reincarnation cannot be used in Arenas.

Warlock
Pandemic: This talent now also increases the critical strike damage bonus of the felhunter’s Shadow Bite spell by 100%.
Ruin: This talent now also increases the critical strike damage bonus of the imp’s Firebolt spell by 100%.

Interface
Any party member may mark targets (this does not apply to raid groups).

Quests
Brittle Revenants, quest creatures fought for the Sons of Hodir daily quest “Hot and Cold,” no longer cast Shield Slam.

Glyphs
Glyph of Rapid Rejuvenation: This glyph allows for the druid’s haste to reduce the time between the periodic healing effects of Rejuvenation.
Glyph of Eternal Water: This glyph allows for a summoned Water Elemental to last indefinitely, but it can no longer cast Freeze.
Glyph of Mind Flay: This glyph now increases the damage done by Mind Flay by 10% when the target is afflicted with Shadow Word: Pain.
Glyph of Shadow Word: Pain: The periodic damage ticks of Shadow Word: Pain now restore 1% of the priest’s base mana with this glyph.
Glyph of Shadow: While in Shadowform, this glyph causes non-periodic spell critical strikes to increase spell power by 30%, up from 10%, of the priest’s total spirit for 10 seconds.
Glyph of Life Tap: The effect of this glyph now has a chance of activating when Dark Pact is used.
Glyph of Quick Decay: This glyph allows for the warlock’s haste to reduce the time between periodic damage effects of Corruption.
Glyph of Victory Rush: This glyph now increases the critical strike chance of Victory Rush by 70%, regardless of the percentage of the target’s remaining health.