Patch 6.2.3a

Patch 6.2.3a is what Wowpedia is calling the small client patches released after patch 6.2.3.
==January 7, 2016, Build 20886==
*Bug Fixes
**Fixed a client crash that could occur while logging back into a character that disconnected while in a Random Draenor Dungeon.
**Fixed a client crash that could occur while logging into a character that's tracking an achievement.
6.2.3a
es:Parche 6.2.3a