All U.S. servers will come down at 7am PDT on Tuesday, May 15, 2012. The expected downtime is one hour. The EU servers will be coming down at 5am London Time on Wednesday, May 16, 2012. The expected downtime is two hours. There is also an SOE maintenance scheduled for 6am PDT on Tuesday, May 15, 2012. Login servers, forums and more will be affected for around 90 minutes.

The full patch notes are available after the jump.

POPULATION / ZONE PROGRESSION
Skyshrine: The City of Dracur

• Malicor Kehrn will no longer fight his partner in crime Nefari Kwol.

PLAYER HOUSING

• The Vale of Halfpint Delight door will now display the correct destination.

MERCENARIES

• When Fall of the Phoenix or any other group feign death spell is used mercenaries will cancel their feign death effect when their owner cancels their feign death effect.
• Mortal Embrace (Shadowknight) no longer works on mercenaries.

ITEMS

• The class focus effects on Plane of War armor have been updated.
• Fixed textures on the black marble house items.

QUESTS

• Fixed an issue where "Untapped Potential" would not update correctly in certain situations.

Source: EQII Forums