Update - Thursday May 4

Added the ability to see which skills you have already unlocked when speaking to skill trainers.
Added Necromancer Bloodstained Boots to armor crafters in Cantha and in the Fissure of Woe.
Improved Energy bonuses on craftable versions of the Mesmer Rogue's Gloves and the Monk Judge's Handwraps.
Improved the skill set used by Healer henchmen in Cantha.
Improved the healing abilities of Spirit henchmen in Cantha.
Improved pathing in various missions and explorable areas.
Fixed a bug that was preventing armors from appearing in Cantha chests.
Fixed a bug that removed mission unlocks for PvP missions for certain older accounts, and restored mission unlocks for those accounts.
Fixed a bug that caused some players to see the same alliance guild more than once in the Guild window.
Fixed a bug that caused the spell interruption sound effect to play too loudly.
Fixed a bug that prevented monsters from dropping armors containing Assassin Runes of Critical Strikes and Ritualist Runes of Spawning Power.
Fixed a bug that occasionally caused the Enduring Toxin skill to last indefinitely.
Fixed the appearance of several boss monsters.
Added Spawning staves with Restoration bonuses to the inventories of various crafters throughout Cantha.
Made various improvements and fixed bugs in the following quests: The Naga Source, Quimang's Last Stand, Skin the Snake, Cash Crops, Sparring Elements, The Agriculturist, Death with Honor, An Unwelcome Guest, Welcome to Cantha, Battle in the Sewers, Little Lost Bear, Problem Salving, Passing the Buck, Revolt of the Dredge, and Charting the Forests.
Corrected the appearance and levels of the henchmen team in the Vizunah Square mission.
Removed chests from the Eternal Grove mission to prevent an exploit.
Removed the second elite skill from Warden Rangers.
http://www.guildwars.com/support/gameupdates/updatearchive-2006-05.php