The second pre-patch for Destiny's House of Wolves will be launching today as confirmed by Bungie via Twitter. The patch will be preparing for the launch of the next expansion pack House of Wolves, coming to PS4, PS3, Xbox One and Xbox 360 on May 19th. The update will also expand vault space, change ammo drops in PvP, re-balance strikes, let you wear helmets in social spaces, fix raid bugs, and add accessibility UI options. The new update will be live tomorrow morning, April 14th Pacific time. Source: GamingNews