World of Warcraft Patch 6.2.4

World of Warcraft Patch 6.2.4
Updated: March 22, 2016.
Battle.net Infrastructure
Client support for Battle.net infrastructure changes, including some memory optimizations.
The Battlegrounds Bonus Event is now underway. Through the end of the day on Monday, you’ll have a constant +200% boost to your honor gains from Battleground objectives and wins.
Don't forget to pick up the event-only quest “A Call to Battle”, which rewards Valor Points and 500 Conquest Points above your maximum when you win four Battlegrounds.