A number of small client-side patches were issued to address a number of issues in Patch 6.2.4.

World of Warcraft Patch 6.2.4, Build 21355

Updated: March 24, 2016.

Bug Fixes

Fixed a number of issues that could cause the client to crash.
Fixed an issue that could cause the character selection menu to be displayed while the introduction cinematic is playing.

Updated: March 23, 2016.

Fixed an issue that could cause an account to be incorrectly suspended.
Fixed an issue that could cause Recruit-A-Friend benefits to not show up properly.
Fixed an issue affecting some regions where players were unable to open a ticket through the game client.

Updated: March 22, 2016.

Client support for Battle.net infrastructure changes, including some memory optimizations.