Major optimization for client & server, reduced costly code, improved expensive code. Data can be retrieved even faster, clients should expect decent FPS boosts, especially on a low end system.
NPCs
Increased NPC chase distance by 50%.
Players
Walking can now be toggled.
When entering a server with dead players they should no longer go T-pose.
Weapons will no longer have their angle or position prematurely updated while drawing or holstering.
Fixed a bug which would allow the player to execute another spell based attack while currently doing a spell based attack, this would break the current attack.
Improved melee accuracy slightly.
GUI & HUD
Fixed a bug which would render group members in the wrong position in the minimap if they left your PVS.
Fixed a potential bug which would allow the player to track the same quest twice.
The 2D info view HUD should be more consistent and less laggy.
Balancing
Increased movement speed while casting spells, speed will now be reduced by 25% instead of 50%.
Movement speed will be increased by 0.098% per point of Agility
Attack speed will be increased by 0.165% per point of Agility.
All melee attack speeds have been tweaked, no weapons should be slower than 1.1 currently.