[Update] 05/19/2014

Its recommended to update your client to the latest NCSoft Client (4.5.0.14) to avoid issues with chat server, target hp/mp bar and invisible items.

Code:

Quest fix 10051 20051 10071 20071 10070 20070 1182 23558 3960 3095
Npc stats update
Fix for player transfers
Remove teleport protection for same map teleport
Add hyperion wings + quests
Danaria new base spawns, old base spawns, stats update
Implemented tempering system
Add Q16961 Q16962 Q26961 Q26962 Q13058 Q26960 Q16960 Q14012 Q13058 Q24053 Q24052 Q24051 Q24026
Updates to survival event to prevent hide abuse
Only players with most kills are rewarded in Survival events
Spawn update for heiron 
Fix crucible instance + weekly quest reset
Implemented glory point system
Fix for equipping shield by wrong class
Fix for chatserver channels gag
Eltnen, Firetemple spawn updates
Updated to latest game stats for classes 
Updated Drops: Haramel drop update, updated some Quest item chances, stormwing drop fix, More quest item drops, added some quest items drop for Danaria
Possible fix for send logs
Fix weaponMasteryEffect
Fix buff npcs
Steel rake spawn update
Update Modor box for RIDER
Battle of Gods and Guardian events can only be entered with enough players and balanced teams
Fix tradelist for Aion 4.5.0.9
Fix proc messages (godstone/provoker)
Fix misleading "Cannot acquire quest because of class" message
Enchants stats calc for slots
Fix for 4.7 chat server
Fix broken instance entry due to 4.5 spawns and doors + some skill effect fixes
Fix for change alliance leader
Fix REFLECTED DMG displayed
Update Ap gained/lost according to 4.5 data
Add npcs 702041 ,802053, 233865 for 24054
Add quest 24054 (last campaign for Beluslan)
Updated infinity shard
Added Campaign quests in Beluslan for rider.
Npc stats update (Fire Temple, Dark Poeta, Morheim)
Fix effect resist
Fix Q30461 Q30407 Q30457 Q23558 Q12509 Q12506 Q13306 Q2725
Added campaign quests in morheim for new class.
Added quest 24023 24024 24025
Teleport locations fix for 4.5
Fix some missions in Altgard for new class.
Zones updated
Added skipped bonus stats for accessories
Fix for skills saving bug(related to stigmas equip\unequip)
Iron Wall Warfront npc stats, lost mailbox spawn
Decomposable update
Add World Buffs on successful siege
Added more Mix Fight Battleground maps
Fix GloryPoints rewards with quests
Updated abyss ranking for GP
Updated enchants to new format
Latest data for item templates
Fixed bonus stats for items
Fix Advanced Dual-Wielding stigma
Fix MagicCounterAtkEffect
Spawns and base spawns update in Danaria
After changing Brigade General old general glory points goes to new general
Balaurea fountains error fix
Updated material_templates, absolute_stats, recipes 
Updated item_sets, pets, player_titles
Added Tempering Solution Chest to decomposable
Fix Katalam decomposable
Fix stuck in siege door
Fix Q30061 Q30161 Q3213
Updated scheduled siege times to 4.5
Katalamize boxes from quests content
Filter for class for decomposables
Fix InstanceTimeClear for 4.5 (now BonusEntry)
Add Q3547 Q3548 Q3121 Q3340 Q4120
Refined old event drops by npc rating
New artifact (1401, 1402, 1403): added spawns + stats
Artifact 1242, 1232, 1233, 1224, 1223 and 1243 reworked: updated spawns to 4.5
Fix some teleport location in Katalam
Fix HP Bugs with MAX_HP buffs, rework idgel research center. Some work on Effects
Artifact reworked: updated spawns to 4.5
Fixes for daevation quests
Fix material skill
Artifact – Soul Destruction (1222) reworked: updated spawns to 4.5
Fixed daevation quests
Fix quests 22825,22829,22835,22839,22843,12825,12831,12835,12839,12843
Kysis fortress (1231) reworked: updated spawns to 4.5
Fix for magical dmg