The following update popped up on EU login screen:
This Wednesday there will be an extended maintenance to apply patch 2.3.3. Please note that all European realms will be offline from 03:00 until 11:00, Paris time (CET).
Thank you for your patience and understanding.
Patch Mirrors will be available at WoWwiki.
World of Warcraft PTR Patch 2.3.3
The latest test realm patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/test-realm-patchnotes.html
The latest patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/
* Some players may notice improved data load times when newly entering the world and after zoning into new areas.
* Character/NPC load times have been decreased, and now should appear faster. You���re not hearing voices, there really are people in Shattrath!
* Felspine the Greater in Shadowmoon Valley will no longer evade when engaged.
* Players will now be correctly credited with their arena points if they purchase an arena item during weekly arena calculations.
* Using a castsequence macro on a target moving out of range will no longer cause it to stop working.