The major change pertains to all classes with a cure/dispell effect. I'm of two minds on this: for PvP/Battlegrounds I can understand it, but this will negatively impact up-and-coming raid guilds, especially for the horde.
Misc. stuff:
-Should a queue open while you are already in a battleground,
you may switch to the new battle or remain in the current on.
- The Defiler's Talisman and Talisman of Arathor are now available at
Friendly reputation.
- Level 48, 38, and 28 versions of the Defiler's Talisman and Talisman
of Arathor have been added.
- Two new rewards have been added for reaching Friendly reputation
level with the Silverwing Sentinel and Warsong Outrider factions.
- New caster ring reward added for reaching Exalted status with the Stormpike or Frostwolf factions.
- When a player leaves a battleground before it concludes, they will
be unable to re-enter any battleground queue for 15 minutes.
- A bug has been fixed with the Warsong Gulch reward vendors that were
allowing items achieved at reaching Friendly reputation to be
purchased at lower reputation levels.
- Reputation rewards for the PvP Battlegrounds have been adjusted:
- Superior Health Draughts, Superior Mana Draughts, and Battleground-
specific bandages are now available uniformly at Friendly
reputation.
- Major Health Draughts and Major Mana Draughts are now available
uniformly at Honored reputation.
- Warsong Gulch and Arathi Basin now offer Battleground-specific
rations at Friendly reputation.
Bestial Wrath - Damage bonus reduced, duration increased. In
addition, while enraged, the beast will be immune to Disorient
effects (e.g. Scatter Shot, Blind, etc.)
+ Base pet speed is now standardized for all pets, including legacy
pets. Pet speed can still be modified through the talent Bestial
Swiftness and pet abilities such as Charge, Dash, etc.
+ All hunter pets will now always deal Physical damage for their base
attack.
- Conjure Water (Rank 7) Will now create ten waters instead of four.
- Pyroblast Damage bonus from + spell damage items increased.
- Judgement of Righteousness - This judgement can now trigger procs. increased significantly. This judgement can now trigger procs. The
bonus from spell damage items has been increased slightly.
- Seal of Righteousness - The damage bonus from +Holy damage has been reevaluated on this seal. Since the damage is delivered on every
swing, the bonus has been reduced. However, paladins attacking with
faster weapons should see an overall increase in the bonus from + spell damage gear. Mana cost slightly increased.
- Seal of Command - Damage bonus from +Holy damage items slightly increased.
Seal of Fury - The seal and judgement have been removed and replaced
with a new self-buff, Righteous Fury, which will increase threat from
Holy damage.
- Hammer of Justice - Is now a Protection spell.
- Repentance - Is now considered an Incapacitate effect.
- Blessing of Wisdom - Mana regeneration over time will no longer
generate threat.
- Purify - Mana cost now based on a percentage of base mana.
- Cleanse - Mana cost now based on a percentage of base mana.
- Sword Specialization - Special attacks such as Sinister Strike, and
Mortal Strike now properly trigger the chance to gain an extra
attack.
- Slice and Dice - This finisher can now trigger the Ruthlessness
talent.
- Grounding Totem - This totem will no longer absorb the spell from
Crippling Poison or Deadly Poison.
- Purge - Mana cost now based on a percentage of base mana.
- Cure Poison - Mana cost now based on a percentage of base mana.
- Cure Disease - Mana cost now based on a percentage of base mana.
- Poison Cleansing Totem - Mana cost now based on a percentage of base
mana.
- Disease Cleansing Totem - Mana cost now based on a percentage of base
mana.
- Unbridled Wrath - Only normal melee swings will trigger the rage
generation from this ability.
+ New functionality: Berserking is now an activated ability that
increases your melee, ranged, and casting speed by 10% to 30%.
+ Melee/ranged haste bonus and duration reduced. The value scales upwards towards 30% depending how low your health is when you
activate the ability.
+ Now lasts 10 seconds.
Now requires a small amount of mana, rage, or energy (depending on your class) to activate.
+ No longer requires being struck by a critical to activate.
+ Now has a three minute cooldown, up from two minutes.
+ No longer has a global cooldown.
- The attack speed slowing effect from Thunderfury has been reduced,
and no longer stacks with other such effects such as Thunderclap. The
rate at which the weapon procs has also been lowered.