Patch 2.1.2 live, more downtime for Frenzaclysm

As predicted by Nethaera, patch 2.1.2 is now available for download, although of course the realms are still down for a few more hours. The patch weighs in at 42 MB (at least the Mac version). Full patch notes are after the cut; here's the differences from the original PTR patch 2.1.2:

• Players will no longer slow down to walking speed when closely following another player.

• [Karazhan] Fixed a bug that caused the Karazhan chess event's movement spell cooldowns to not display correctly.

• [The Eye] When Kael'thas Sunstrider is engaged in combat, the doors leading into his room will now properly close.
  

• Fixed a memory leak that may occur when a player alt-tabs out of the game, engages a screensaver, or locks their machine.
  

In other realm news, the Frenzy and Cataclysm battlegroups are going to require 24 hours of downtime to complete their merge. The downtime apparently began at 3 AM PDT today, and is scheduled to end at 3 AM tomorrow. Affected servers are Azuremyst, Area 52, Auchindoun, Blade's Edge, Blood Furnace, Coilfang, Exodar, Shattered Halls, Terokkar, The Scryers, The Underbog, Velen, and It Came from the Blog's own Zangarmarsh.

World of Warcraft Client Patch 2.1.2

The latest patch notes can always be found at http://www.worldofwarcraft.com/patchnotes/

General

Druids

Hunters

Mages

Paladins

Priests

Rogues

Shaman

Warriors

Items

Quests

Dungeons and Raids

Interface

World Environment

Bug Fixes