Below you can see a changelog, which was made on 5.4.2 for two week, from 13.03.14 to 27.03.14:

General:

- Fix many exploits, thanks for all your messages.
- Fix bug, when players can change specialization with macros for all pets, and can add many incorrect spells to him.
- Fix bug, when players can not withdraw money from guild + fix guild bonus for gold.
- Fix show guild XP.
- Fix bug, when players received not correct achievements with currency.
- Fix regen focus and energy.
- Fix bug, when currency cap, can random reset in any time.
- Many fixes for quests, loot, creature, gameobjects from forum bug-reports.
- Fix 3 reasons of server crash.

Arena and BG:

- Implemented Rated battlegrounds.
- Now spell The Crowd Chose You!!! correct work, use temporary instead Dampening.
- Fix another bug with high tick points on BG Temple of Kotmogu.
- Now you can not leave from arena before start battle.
- Fix bug, when incorrect received lose on arena, after opponent leave from arena, or not join.
- Temporary disable BG Arathi Basin, need fix some problem after implemented RBG, planned enable again in next update with some new BGs.

Spells:

Death Knight:

- Fix equip check for spell mods, fix spell Threat of Thassarian and another.
- Fix many bugs with spell Might of the Frozen Wastes.
- Fix rune cooldown exploit, and spam spell Necrotic Strike.
- Fix Glyph of Path of Frost.
- Fix Glyph of Unholy Frenzy.
- Fix Glyph of Death and Decay.

Priest:

- Fix high heal from spell Flash Heal.
- Fix high damage from spell Shadow Word: Pain.
- Fix high heal from spell Holy Word: Sanctuary.
- Fix high heal from spell Prayer of Mending.
- Fix spell Inner Focus.
- Fix bug, when after use spell Hymn of Hope, mana set to incorrect value.
- Fix spell Pain Suppression.
- Fix bug, when spell Guardian Spirit absorb too much damage.
- Fix spell Divine Aegis.
- Fix Mastery: Shield Discipline.
- Fix spell Spirit Shell.
- Fix Glyph of Power Word: Shield.
- Fix Glyph of Shadow Word: Death.
- Fix Glyph of Inner Sanctum.

Hunter:

- Fix Mastery: Essence of the Viper.
- Fix low damage from spell Beast Cleave.
- Fix high damage from spell Kill Shot.
- Binding Shot now stun in pvp on 3 sec.
- Fix low damange from talent A Murder of Crows.
- Now after use Explosive Shot on target apply Hunter's Mark.
- Fix talent Spirit Bond.
- Fix work Battle Fatigue for spell Widow Venom and another.

Warrior:

- Fix proc rules for spell Sudden Death.
- Fix Mastery: Strikes of Opportunity.
- Fix Mastery: Unshackled Fury.
- Fix spell Mass Spell Reflection, in accordance with changes in patch 5.3.
- Fix spell Single-Minded Fury.
- Fix proc rules for spell Taste for Blood.
- Fix Glyph of Enraged Speed and another.
- Fix Glyph of Rude Interruption.

Paladin:

- Fix spell Beacon of Light.
- Fix talent Execution Sentence.
- More correct work spell Crusader Strike.
- Fix spell Tower of Radiance.
- Fix talent Selfless Healer.
- Fix Mastery: Hand of Light.

Monk:


- Add gcd for pet spells Invoke Xuen, the White Tiger.
- Ad gcd for spell Chi Brew.

Mage:

- Fix increase damage spell Ice Lance from spell Fingers of Frost.
- More correct work Mastery: Icicles.
- Fix Glyph of Slow.

Rogue:

- Fix work Battle Fatigue for spell Wound Poison and another.

Druid:

- Fix bug, when after proc spell Shooting Stars in some time can not use spell Starsurge.

Warlock:

- Now spell Chaos Bolt have 25% less damage to players.
- Now spell Soul Link 20% of all damage taken is split with your summoned demon, not 50%.

Shaman:

- Fix high heal from spell Healing Rain.