Below you can see the changelog, which were made on 5.4.8 for two last months, from 14.04.16 to 14.06.16:

Status: applied for all realms.

General:
- Fixed an issue where players could not see the scripted dialogues of NPC.
- Fixed possible incorrect movements of mobs.
- Fixed an increase of pet's speed movement when its owner uses the mount. Now they will run as fast as the player, to keep up.
- Fixed a problem with health regeneration at mobs with a lot of health.
- Added the possibility to complete a number of new achievements via a special NPC, for example: Noble Gardener
- Fixed bug with incorrect selection of items from the loot on player specialization.
- Fixed bug of mana amount while changing the spec.
- Fixed problem with displaying the weekly cap currency.
- Fixed an issue with the inability to obtain currency, when a player reaches the total cap currency, but has not reached the weekly cap currency, and then spent a part of the currency.
- Fixed a bug with the inability to use the resources after the change of the spec until you made a relog.
- Now the player can not buy Justice points for Honor points if the total number of Justice points exceeds the maximum of its amount.
- Added check for the presence talents of several specs when loading the player.
- Fixed display of the information about the name of the person who sent the message by mail.

- Fixed 6 reasons of server crash.
- All Data Base fixes (quests, creatures, loot etc) you can look at this section (from 14.04.16 tо 14.06.16), with messages from Herald.

Instances and raids:

Siege of Orgrimmar:

Sha of Pride:

- Fixed a possible exploit with aura Overcome.
- Fixed the ability Gift of the Titans.
- Fixed ability Power of the Titans.
- Fixed the ability Overcome.
- Fixed an issue when in the 2nd phase the boss continued to use the ability of the 1st phase.
- The ability Self-Reflection will be applied to the players with the highest level of pride.

Immerseus:

- Fixed a problem with the speed of the infected puddles.
- Fixed saving dungeon cd after passing the boss.
- Fixed the damage of Swirl.

Fallen Protectors:

- Added dialogs bosses.
- Fixed possibility to interrupt casting of Sha Sear and Corruption Shock.
- Now the ability Inferno Strike will be applied to a random player.
- Fixed an issue where Rook Stonetoe stopped moving after using the ability Clash.
- Fixed an issue where He Softfoot stopped moving after using the ability Shadowstep.
- Fixed an issue where the bosses have used abilities Clash, Noxious Poison, Instant Poison and Calamity during extreme measures.
- Fixed an issue where the bosses did not interrupt casting abilities upon the occurrence of the extreme measures.

Galakras:

- A lot of fixes to the guns.
- Ability Shattering Roar now will not do damage to players which are on the towers.
- Added valor points as the rewards.
- Added bonus loot.
- Fixed an issue where the debuff Flames of Galakrond was not applied, if it already had one stack.
- Reduced the time of disappearance corpses of dead mobs.

Iron Juggernaut:

- Added valor points as the rewards.
- Added bonus loot.
- Fixed a dialogue after the boss's death.
- Fixed the number of health in the 25-player mode.

Norushen:

- Fixed a number of items from the loot in the 25-player mode.

Kor'kron Shamans:

- Implemented scripts bosses, also loot and achievements are already available.

General Nazgrim:

- Implemented script of the boss, also loot and achievements are already available.

Malkorok:

- Implemented script of the boss.

Other:

- Added mobs after Galakras.
- Fixed an exploit with aura overcome.
- Fixed a problem with Healing Tide Totem's healing.
- Fixed some issues with the doors opening.
- Now, after the killing of the Fallen Protectors players at the entrance to the dungeon will be teleported to Norushen.
- Added Kor'kron Supplies.
- Added NPCs:
* Stone Guard Rasconi, Advisor Mukkdor, Siege Specialist Natoj,
* Blind Blademaster, Overlord Runthak, Aysa Cloudsinger,
* Gamon, Hellscream Demolisher, Kor'kron Shadowmage, Kor'kron Arcweaver, Kor'kron Assassin.

Terrace of Endless Spring:

- Fixed an issue where from the boss Lei Shi in the10 normal mode, the players got loot from the 10 heroic mode.

Throne of Thunder:

- Added missing valor points from the bosses.

Terrace of Endless Spring:

- Fixed the settlement of the dungeon according to its mode.

Dragon Soul:

- Fixed the settlement of the dungeon according to its mode.

Throne of the Four Winds:

- Fixed the settlement of the dungeon according to its mode.

Baradin Hold:

- Fixed the settlement of the dungeon according to its mode.

Firelands:

- Fixed the settlement of the dungeon according to its mode.
- Fixed issue with endless summoning of Spirit of the Flame.
- Fixed Leaping Flames .

LFR, challenge mode, scenarios:

- Fixed NPC and object settlement in the challenge mode, the dungeon Stormstout Brewery.
- Improved the script of Black Temple.
- Increased the number of valor points gained in the first dungeon of the 5-player heroic mode, from 5 to 80 points.
- Increased the number of valor points gained over the next dungeon of the 5-player heroic mode, from 5 to 40 points.
- Increased the number of valor points gained for the first common scenario, with 30 to 50 points.
- Reduced the number of valor points gained over the next ordinary scenario, from 30 to 25 points.
- Fixed issues with rewards for the 1st passed scenario and dungeon for 5 players.
- Increased reward for passing the challenges:
* For the gold from 60 to 165 Valor Points.
* For silver from 50 to 150 Valor Points.
* For the bronze from 40 to 125 Valor Points.

World bosses:

Sha of Anger:

- Fixes to the boss.

Nalak:

- Refactoring of the code.
- Fixed an issue where the boss evaded when was attacking.
- Fixed an issue where auras Storm Cloud and Lightning Tether could be rejected.
- Fixed a quest Spirit of the Lord of Storms.

A Celestial Experience:

- General fixes to battle scripts.
- Added dialogs of Xuen boss.
- Implemented a script boss Chi-Ji.

Arena and BG:

- Rewritten storing the data about the player from the cross server, which in theory should to solve the problem with the appearance of lags for a few seconds and the cross crash, which occurred because of an unresponsive transaction because of loss packet inside the network.
- Fixed a bug with druid speed at the entrance to BG.
- Fixed a bug with the disappearance of the display points on BG Deepwind Gorge.
- Fixed displaying information about gates the number of hp on BG.
- Fixed several bugs in the table on BG Temple of Kotmogu.
- Strand of the Ancients:
* Fixed display of the timer about ending the round / battle.
* Fixed teleport coordinates in all rounds.
* Fixed an exploit with using of the relics.
* Fixed bombs on the docks.
- Deepwind Gorge:
* Fixed a bug with the disappearance of the display points.
* Added speed limit of trolleys movement.
* Now you can cast spells having the trolley.
* A number of fixes to the trolleys movement.
* Prevention of death in the trolley.

Items:

- Implemented work of the item Evil Eye of Galakras.
- Fixed an exploit with the item Captain Zvezdan's Lost Leg.
- Implemented work of the item Eye of the Black Prince.
- Fixed a bug with a false work of anti-cheat while using Falling Flame and undefined.
- Fixed a bug with the camera when you're on the mounts like this type of the mount Reins of the Dread Raven.
- Fixed an increase of speed from items Purified Bindings of Immerseus and Prismatic Prison of Pride.
- Fixed duration the work of elixir Elixir of Mighty Fortitude.
- Fixed Enchant Weapon - Bloody Dancing Steel.
- Fixed a bug with the loss of the items bonuses (all versions): Assurance of Consequence, Evil Eye of Galakras, Vial of Living Corruption, when teleporting or the death.
- Fixed item Ancient Tome of Dinomancy.
- Fixed an exploit with the healing of the item Juggernaut's Focusing Crystal.
- Implemented the work of all the tokens from the Timeless Isle, for example: Timeless Mail Belt.
- Implemented work of the item The Flag of Ownership.
- Implemented spell work of the items Readiness, Cleave, Life Steal, Multistrike, Multistrike for a variety of items (look for links).
- Fixed an exploit with the item Kukurus Cache Key.
- Fixed the items: Skeer's Bloodsoaked Talisman, Black Blood of Y'Shaarj, Ticking Ebon Detonator, Dysmorphic Samophlange of Discontinuity.
- Fixed an exploit with the item Mighty Nature Protection Potion.

Scripts of quests.

- Fixed an issue where it was not possible to complete the quest Do not Kill the Fat One.
- Fixed a selection of quest rewards Carp Diem.
- Fixed call spirits in the quest A Curse Upon Both of Your Clans !.
- Fixed phasing in the quest The Battle For The Ebon Hold for worgens and goblins.
- Fixed an aura the strength of Mograine for the quest The Battle For The Ebon Hold.
- Fixes to the quests in the starting locations, where it is necessary to use the ability to dummy.
- Implemented scripts for Money Matters quest.
- Implemented the scripts for the quest A Gift For Fung.
- Implemented the scripts for the quest A Gift For Jogu.

Questline on getting the legendary cloak

- Fixed the ending of the scenario for the quest Thunder Forge.
- Fixed possible problem with taking the quests Secrets of the First Empire, and I need a champion.
- Fixes to dialogues and scenes.
- Added the npc Wrathion for quest The Thunder Forge.
- Implemented the work of quest The Crown of Heaven.
- Implemented the work of quest Echoes of the Titans.
- Fixed getting the quest Heart of the Thunder King.
- Added scene of getting the quest Celestial Blessings.

Spells and talents:

Hunter:

- Fixed Glyph of Camouflage when interacting with a pet.
- More fixes to scaling the health of the hunter pets.
- Fixed a bug where at using Chimera Shot, on targets, to targets that do not die from this shot under the aspect of the Cheetah / pack, the player had got the Dazed.
- Fixed a bug where if you change the spec, the effect of Kindred Spirits stopped to work.
- Now Freezing Trap you can apply in Lightwell and Summon Jade Serpent Statue.
- Fixed work of Explosive Trap to Summon Jade Serpent Statue, Lightwell, Psyfiend and shaman totems.
- Now passive abilities of the spells Bite and Claw correct works at 50 concentration points, and not 75.
- Fixed the damage of Bite and Claw.
- Fixed Kill Command.
- Fixed scaling of pets accuracy from the hunters.
- Fixed Master's Call.
- Fixed interrupt auto attack of the hunters while casting of any spell that has cast time. For example: Aimed Shot.
- Fixed interrupt of hunter spells when he gets disarm. Some of them need not be interrupted. For example: Scare Beast.
- Fixed the damage formula of spells Claw and Bite, it was increased.

Priest:

- Fixed a bug where Lightwell could not be attacked in the arena.
- Fixed the damage formula and mechanic work of spell Devouring Plague.
- Fixed impact of the mastery on spell Atonement.
- Fixed mechanics of talent Spirit Shell.
- Fixed a number of healing for the Guardian Spirit.
- Fixed the damage and healing of spell Cascade, when the player is in Shadowform.
- Fixed the dependence of duration the spell Psychic Horror from the number of orbs.
- Fixed an influence of Battle Fatigue on the mastery of Echo of Light.
- Fixed Glyph of Deep Wells.
- Fixed a number of hops for Cascade.
- Fixed double healing of Vampiric Embrace.
- Fixed scaling of spell power for Shadowy Apparitions.
- Fixes to work of Holy Nova.
- Fixed conditions for work of Vampiric Embrace.
- Fixed radius of spell Power Word: Barrier.

Druid:

- Fixed a bonus set of equipment for t15 restor.
- Now druid gets healing when Lifebloom dispeling.
- Fixed work of Glyph of Efflorescence in BG.
- Fixed Rip.
- Spell Ice Block, getting from Symbiosis, now you can use it being under the fear.
- Fixed Lifebloom.
- Fixed speed of casting the spell Revive while a player has Soul of the Forest.
- Fixed a number of periodic healing of spell Lifebloom.
- Fixed a healing of spell Wild Mushroom: Bloom, also no longer heals itself.
- Fixed Efflorescence.
- Fixed scaling the healing of Tranquility from the player.
- Fixed bug with healing being in the raid by spell Genesis.
- Fixed the effect Battle Fatigue and Dampening on the healing from Wild Mushroom: Bloom.
- Fixed radius of spell Genesis.
- Fixed the duration of the spell Savage Defense.
- Fixed cooldown of the spell Faerie Swarm при активном Glyph of Fae Silence.
- Fixes to the terms of caste spell Growl.
- Fixed calculation of HP regeneration for Frenzied Regeneration.

Paladin:

- Fixed a bug where using Glyph of Harsh Words, you could deal damage to players whose PvP mode is off or in the sanctuary.
- Fixed Beacon of Light.
- Fixed the use of spells Word of Glory on friendly targets who are not players.
- Fixed work of spell Word of Glory с Glyph of Harsh Words.
- Fixed impact of hit modifier by spell Holy Insight on Judgment.
- Fixed the spell duration of Repentance in pvp mode.
- Fixed the spell impact of Selfless Healer on spells Holy Radiance and Divine Light.
- Fixed a number of healing from Glyph of Divine Shield.
- Fixed the impact of pvp power on spell Sacred Shield.
- Fixed impact of auras that reduce damage to the player for the spell Execution Sentence.
- Fixed gcd of spell Purify Spirit в случае, если нечего диспелить.
- Fixed a number of healing and damage when dispel the spell Execution Sentence.
- Fixed Glyph of Divinity.
- Fixed an issue with duplicating code and, possibly, with a double effect for spell Daybreak.

Warrior:

- Fixed a bug where does not always work the bonus damage from Mastery: Unshackled Fury.
- Fixed work of Intervene.
- Fixed dropping of the maximum value of the Warrior rage, if he has Glyph of Unending Rage and at the same time he changes the spec.
- Fixed double modification of damage Mastery: Unshackled Fury for Dragon Roar.
- Fixed work of Single-Minded Fury.
- Fixed the damage of Shockwave.
- Fixed bonus of 4 items in set of equipment T15 http://wowhead.com/item-set=1172.

Shaman:

- Fixed Healing Tide Totem.
- Fixed work of Unleashed Fury for Healing Rain.
- Fixed the impact of spells Flurry and Unleash Wind on auto-attack by the left hand.
- Fixed work of Searing Flames.
- Fixed bonus of 4 items in set of equipment: http://wowhead.com/item-set=1170.
- Fixed work of Maelstrom Weapon с ударом левой рукой.
- Implemented bonus of 2 and 4 things from: Battlegear of the Witch Doctor.
- Fixed healing of pets by spell Healing Rain.
- Fixed the impact of Dampening on absorb of Stone Bulwark Totem.
- Fixed an exaggerated healing spell Healing Stream Totem.
- Fixed the terms for work of Maelstrom Weapon.
- Fixed healing of pets by spell Healing Stream Totem.
- Fixed the terms for work of Echo of the Elements.

Warlock:

- Fixed warlock pets critical chance.
- Fixed mechanics of work Fire and Brimstone.
- Fixed increased pets energy damage under the influence of Grimoire of Supremacy.
- Fixed the damage of Hand of Gul'dan.
- Fixed Glyph of Demon Training.
- Fixed work ofDemonic Calling.
- Fixed a bug when Soul Swap could be reflected.
- Rewritten the work of Molten Core.
- Fixed Glyph of Curse of Exhaustion.
- Fixed work of spells Void Shield and Shadow Shield.

Mage:

- Fixed coordinates of teleport for Portal: Vale of Eternal Blossoms.
- Fixed the impact of proc Brain Freeze on Shatter, when the player cast a spell Frostfire Bolt.
- Now spell Brain Freeze correct work only from the last imposed aura, and not from the all.
- A number of fixes to the casting of Glyph of Mirror Image.
- Rewritten work for the visual part of Fingers of Frost.
- Fixes to cast of Cold Snap.

Death Knight:

- Fixed mechanics of death runes and misses.
- Fixed cd for Runes while synchronization.
- Fixed terms of work Shadow Infusion.
- Fixed a number of targets in the spell Blood Boil.
- Fixed Glyph of Death and Decay.
- Fixed damage for the pet from spells Death Pact.
- Fixed Glyph of the Skeleton.
- Fixed Glyph of Path of Frost.
- Fixed Glyph of Death's Embrace.

Rogue:

- Fixed the impact of Mastery: Potent Poisons on Venomous Wound.
- Fixed a bug with overlaying of a spell effect Smoke Bomb when the target has Divine Shield.
- Fixed work of Deadly Throw.
- Fixes to work of Sanguinary Vein.

Monk:

- Fixed an extension of the duration of the spell Shuffle when using the spell Blackout Kick.
- Fixed the damage of spell Expel Harm.
- Removed modification heals of Combat Conditioning by other auras.
- Fixed the damage of spell Bear Hug.
- Completely rewritten work of Guard.
- Fixed an increase of the absorb shield spell Guard by Power Guard.
- Fixed work of Eminence.
- Fixed Avert Harm.
- Implemented work of Leer of the Ox.
- Rewritten work of Summon Black Ox Statue и Summon Jade Serpent Statue.
- Fixed scaling the damage of Gift of the Ox.
- Fixed bonus of Item - Monk T16 Mistweaver 2P Bonus.
- Fixed a number of bugs at Glyph of Fortuitous Spheres.
- Rewritten work of Zen Sphere.
- Fixed work of Healing Sphere.
- Implemented work of Nimble Brew.


Spells, talents and others:

- Fixed Goblin glider after the previous fixes.
- Fixed a number of exploits with macros to spells that have multiple charges.
- Fixed work of spec bonuses on all the armor.
- Fixed a stack of spells Curse of the Elements and Sunder Armor.
- Fixed all known exploits in the spell system that reproduced by using cheat programs.
- Fixed an issue where the auras influencing the cost of spell could be removed from the player when the spamming of some spells, because of the spell was still in GCD. Example: Dream of Cenarius.
- Fixed incorrect calculation of damage and healing for spells, when the caster's damage decreased from 100% (eg, from the aura [URL]http://wowhead.com/spell=144421[/ URL]).
- Improved scripting mechanism for auras absorbing the heal.
- Completely rewritten the system of spell diminishing, updated all groups.
- Implemented correct system of RPPM for trinkets.
- Implemented work of aura Valor of the Ancients.
- Spells category "Armor Specialization" removed at the characters and will be re-learned, because they must be issued only at accordance of the armor (before it did not work properly), now it should to fix the problem with inflated stats of many characters.
- Fixed problems with bugged auras from items when entering the game.
- Rewritten chances mechanics for stability, avoidance of reflection.
- Completely rewritten speed rating system, as well as its effect on spells.

* Do not forget to delete the Cache folder from the root folder of the game after each update.
** Also you should pay attention that in spite of the long period between the writing of the changelogs, work on bugs does not stop and fixes are applying for all realms a few times a month.