SpawnPoint - Where Game Begins

All the 2.4 patch notes are here:

Druid:
* Lifebloom healing coefficient has been reduced.
* Many shapeshift form tooltips have been updated to be consistent with each other.
* Nurturing Instinct increases your healing spells by up to 50/100% of your Agility,   and increases healing done to you by 10/20% of your Attack Power while in Cat form.

Hunter:
* Improved Mend Pet now has a 50/100% chance to remove one Curse, Disease, Magic, or   Poison effect, up from 15/50%.

Mage:
* Arcane Fortitude now increases your armor by an amount equal to 100% of your   Intellect, up from 50%.
* Blink, Slow, and Spellsteal have all had their mana cost reduced.
* Icy Veins no longer stacks with Bloodlust/Heroism.
* Improved Fire Ward has become Molten Shields.
* New Talent: Molten Shields will cause your Fire Ward to have a 10/20% chance to   reflect Fire spells while active. In addition, your Molten Armor has a 50/100% chance to     affect ranged and spell attacks.
 
Paladin:
* Resistance Auras: It is no longer possible for two Paladins in the same party to   make it appear that players have two of the same resistance aura active.
* Righteous Defense: This spell will now always be castable on friendly npcs.
* Seal of Blood: This ability will no longer cause spell pushback for the Paladin with   this seal active.
* Turn Undead(Rank 3):This spell has been reworked and has been renamed to “Turn   Evil”. It will now work on Demons in addition to Undead. Turn Evil is subject to   diminishing returns, and lasts 10 seconds in PvP.

Priest:
* Chastise no longer disorients the target, but now is instant cast and roots the   target for 2 seconds.
* Focused Will now reduces damage by 2/3/4%, down from 1/3/5%.
* Power Infusion: Infuses the target with power, increasing their spell haste by 20%   for 15 seconds.

Rogue:
* Improved Backstab is now called Puncturing Wounds.
* Puncturing Wounds increases your critical strike chance with Backstab by 10/20/30%,   and the critical strike chance with your Mutilate ability by 5/10/15%.
* Improved Sprint: This ability will now always remove Entangling Roots.

Shaman:
* Ghost Wolf: Cast time reduced to 2 seconds, down from 3.
* Nature’s Swiftness and Elemental Mastery now share a 10 second cooldown.
* Tremor Totem now pulses every 3 seconds, down from 4.

Warlocks:
* Blood Pact now has a tooltip.
* Demonic Sacrifice: Now works properly in sanctuary regions (such as Shattrath City   and   the Stair of Destiny).
* Nether Protection:  The buff from this talent will no longer interrupt capturing PvP     flags and bases.


Arena:
* Matchmaking: If a queued player has a personal rating higher than their team rating, the matchmaking system will now use the highest personal rating of a queued member of that team for matchmaking purposes, instead of the team rating.

Alterac Valley:
* There is now a Join as Party option.

Professions:

Alchemy:
* Transmute Arcanite no longer has a cooldown.

Fishing:
* Feltail fishing nodes have been changed to Brackish Mixed Schools; they now produce mostly Golden Darters and some Feltail.


Items:

* Darkmoon Card: Madness: The buffs from this item will no longer interrupt casting and channeling.
* Druid Restoration PvP Sets: The bonus movement speed for Bear, Cat, and Travel Form has been removed and replaced with a new bonus to Regrowth.
* Shaman Elemental PvP Sets: The resistance on Lightning Bolt spell pushback has been reduced to 50%.

UI:
* Searching for an item in the tradeskill search box should now hide empty categories.

World Environment:
* Eye of Culuthas and Hound of Culuthas now drop grey loot.